diff options
Diffstat (limited to 'glusterfsd/src/glusterfsd.c')
| -rw-r--r-- | glusterfsd/src/glusterfsd.c | 3615 |
1 files changed, 2481 insertions, 1134 deletions
diff --git a/glusterfsd/src/glusterfsd.c b/glusterfsd/src/glusterfsd.c index d3f1be02867..dae41f33fef 100644 --- a/glusterfsd/src/glusterfsd.c +++ b/glusterfsd/src/glusterfsd.c @@ -1,22 +1,12 @@ /* - Copyright (c) 2006-2009 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ + Copyright (c) 2006-2016 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ #include <stdio.h> #include <string.h> #include <stdlib.h> @@ -25,9 +15,11 @@ #include <sys/types.h> #include <sys/resource.h> #include <sys/file.h> +#include <sys/wait.h> #include <netdb.h> #include <signal.h> #include <libgen.h> +#include <dlfcn.h> #include <sys/utsname.h> @@ -38,1354 +30,2709 @@ #include <time.h> #include <semaphore.h> #include <errno.h> - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" +#include <pwd.h> + +#ifdef GF_LINUX_HOST_OS +#ifdef HAVE_LINUX_OOM_H +#include <linux/oom.h> +#else +#define OOM_SCORE_ADJ_MIN (-1000) +#define OOM_SCORE_ADJ_MAX 1000 +#define OOM_DISABLE (-17) +#define OOM_ADJUST_MAX 15 +#endif #endif #ifdef HAVE_MALLOC_H #include <malloc.h> #endif -#ifdef HAVE_MALLOC_STATS -#ifdef DEBUG -#include <mcheck.h> -#endif -#endif - -#include "xlator.h" -#include "glusterfs.h" -#include "compat.h" -#include "logging.h" -#include "dict.h" -#include "protocol.h" -#include "list.h" -#include "timer.h" +#include <glusterfs/xlator.h> +#include <glusterfs/glusterfs.h> +#include <glusterfs/compat.h> +#include <glusterfs/logging.h> +#include "glusterfsd-messages.h" +#include <glusterfs/dict.h> +#include <glusterfs/list.h> +#include <glusterfs/timer.h> #include "glusterfsd.h" -#include "stack.h" -#include "revision.h" -#include "common-utils.h" -#include "event.h" -#include "globals.h" -#include "statedump.h" - +#include <glusterfs/revision.h> +#include <glusterfs/common-utils.h> +#include <glusterfs/gf-event.h> +#include <glusterfs/statedump.h> +#include <glusterfs/latency.h> +#include "glusterfsd-mem-types.h" +#include <glusterfs/syscall.h> +#include <glusterfs/call-stub.h> #include <fnmatch.h> +#include "rpc-clnt.h" +#include <glusterfs/syncop.h> +#include <glusterfs/client_t.h> +#include "netgroups.h" +#include "exports.h" +#include <glusterfs/monitoring.h> -extern int -gf_log_central_init (glusterfs_ctx_t *ctx, const char *remote_host, - const char *transport, uint32_t remote_port); - +#include <glusterfs/daemon.h> /* using argp for command line parsing */ static char gf_doc[] = ""; -static char argp_doc[] = "--volfile-server=SERVER [MOUNT-POINT]\n" \ - "--volfile=VOLFILE [MOUNT-POINT]"; -const char *argp_program_version = "" \ - PACKAGE_NAME" "PACKAGE_VERSION" built on "__DATE__" "__TIME__ \ - "\nRepository revision: " GLUSTERFS_REPOSITORY_REVISION "\n" \ - "Copyright (c) 2006-2009 Gluster Inc. " \ - "<http://www.gluster.com>\n" \ - "GlusterFS comes with ABSOLUTELY NO WARRANTY.\n" \ - "You may redistribute copies of GlusterFS under the terms of "\ - "the GNU General Public License."; +static char argp_doc[] = + "--volfile-server=SERVER [MOUNT-POINT]\n" + "--volfile=VOLFILE [MOUNT-POINT]"; +const char *argp_program_version = + "" PACKAGE_NAME " " PACKAGE_VERSION + "\nRepository revision: " GLUSTERFS_REPOSITORY_REVISION + "\n" + "Copyright (c) 2006-2016 Red Hat, Inc. " + "<https://www.gluster.org/>\n" + "GlusterFS comes with ABSOLUTELY NO WARRANTY.\n" + "It is licensed to you under your choice of the GNU Lesser\n" + "General Public License, version 3 or any later version (LGPLv3\n" + "or later), or the GNU General Public License, version 2 (GPLv2),\n" + "in all cases as published by the Free Software Foundation."; const char *argp_program_bug_address = "<" PACKAGE_BUGREPORT ">"; -error_t parse_opts (int32_t key, char *arg, struct argp_state *_state); +static error_t +parse_opts(int32_t key, char *arg, struct argp_state *_state); static struct argp_option gf_options[] = { - {0, 0, 0, 0, "Basic options:"}, - {"volfile-server", ARGP_VOLFILE_SERVER_KEY, "SERVER", 0, - "Server to get the volume file from. This option overrides " - "--volfile option"}, - {"volfile-max-fetch-attempts", ARGP_VOLFILE_MAX_FETCH_ATTEMPTS, - "MAX-ATTEMPTS", 0, "Maximum number of connect attempts to server. " - "This option should be provided with --volfile-server option" - "[default: 1]"}, - {"volfile", ARGP_VOLUME_FILE_KEY, "VOLFILE", 0, - "File to use as VOLUME_FILE [default: "DEFAULT_CLIENT_VOLUME_FILE" or " - DEFAULT_SERVER_VOLUME_FILE"]"}, - {"spec-file", ARGP_VOLUME_FILE_KEY, "VOLFILE", OPTION_HIDDEN, - "File to use as VOLFILE [default : "DEFAULT_CLIENT_VOLUME_FILE" or " - DEFAULT_SERVER_VOLUME_FILE"]"}, - {"log-server", ARGP_LOG_SERVER_KEY, "LOG SERVER", 0, - "Server to use as the central log server." - "--log-server option"}, - - {"log-level", ARGP_LOG_LEVEL_KEY, "LOGLEVEL", 0, - "Logging severity. Valid options are DEBUG, NORMAL, WARNING, ERROR, " - "CRITICAL and NONE [default: NORMAL]"}, - {"log-file", ARGP_LOG_FILE_KEY, "LOGFILE", 0, - "File to use for logging [default: " - DEFAULT_LOG_FILE_DIRECTORY "/" PACKAGE_NAME ".log" "]"}, - - {0, 0, 0, 0, "Advanced Options:"}, - {"volfile-server-port", ARGP_VOLFILE_SERVER_PORT_KEY, "PORT", 0, - "Listening port number of volfile server"}, - {"volfile-server-transport", ARGP_VOLFILE_SERVER_TRANSPORT_KEY, - "TRANSPORT", 0, - "Transport type to get volfile from server [default: socket]"}, - {"volfile-id", ARGP_VOLFILE_ID_KEY, "KEY", 0, - "'key' of the volfile to be fetched from server"}, - {"log-server-port", ARGP_LOG_SERVER_PORT_KEY, "PORT", 0, - "Listening port number of log server"}, - {"pid-file", ARGP_PID_FILE_KEY, "PIDFILE", 0, - "File to use as pid file"}, - {"no-daemon", ARGP_NO_DAEMON_KEY, 0, 0, - "Run in foreground"}, - {"run-id", ARGP_RUN_ID_KEY, "RUN-ID", OPTION_HIDDEN, - "Run ID for the process, used by scripts to keep track of process " - "they started, defaults to none"}, - {"debug", ARGP_DEBUG_KEY, 0, 0, - "Run in debug mode. This option sets --no-daemon, --log-level " - "to DEBUG and --log-file to console"}, - {"volume-name", ARGP_VOLUME_NAME_KEY, "VOLUME-NAME", 0, - "Volume name to be used for MOUNT-POINT [default: top most volume " - "in VOLFILE]"}, - {"xlator-option", ARGP_XLATOR_OPTION_KEY,"VOLUME-NAME.OPTION=VALUE", 0, - "Add/override a translator option for a volume with specified value"}, - - {0, 0, 0, 0, "Fuse options:"}, - {"disable-direct-io-mode", ARGP_DISABLE_DIRECT_IO_MODE_KEY, 0, 0, - "Disable direct I/O mode in fuse kernel module" - " [default if big writes are supported]"}, - {"entry-timeout", ARGP_ENTRY_TIMEOUT_KEY, "SECONDS", 0, - "Set entry timeout to SECONDS in fuse kernel module [default: 1]"}, - {"attribute-timeout", ARGP_ATTRIBUTE_TIMEOUT_KEY, "SECONDS", 0, - "Set attribute timeout to SECONDS for inodes in fuse kernel module " - "[default: 1]"}, - {"volfile-check", ARGP_VOLFILE_CHECK_KEY, 0, 0, - "Enable strict volume file checking"}, + {0, 0, 0, 0, "Basic options:"}, + {"volfile-server", ARGP_VOLFILE_SERVER_KEY, "SERVER", 0, + "Server to get the volume file from. Unix domain socket path when " + "transport type 'unix'. This option overrides --volfile option"}, + {"volfile", ARGP_VOLUME_FILE_KEY, "VOLFILE", 0, + "File to use as VOLUME_FILE"}, + {"spec-file", ARGP_VOLUME_FILE_KEY, "VOLFILE", OPTION_HIDDEN, + "File to use as VOLUME FILE"}, + + {"log-level", ARGP_LOG_LEVEL_KEY, "LOGLEVEL", 0, + "Logging severity. Valid options are DEBUG, INFO, WARNING, ERROR, " + "CRITICAL, TRACE and NONE [default: INFO]"}, + {"log-file", ARGP_LOG_FILE_KEY, "LOGFILE", 0, + "File to use for logging [default: " DEFAULT_LOG_FILE_DIRECTORY + "/" PACKAGE_NAME ".log" + "]"}, + {"logger", ARGP_LOGGER, "LOGGER", 0, + "Set which logging sub-system to " + "log to, valid options are: gluster-log and syslog, " + "[default: \"gluster-log\"]"}, + {"log-format", ARGP_LOG_FORMAT, "LOG-FORMAT", 0, + "Set log format, valid" + " options are: no-msg-id and with-msg-id, [default: \"with-msg-id\"]"}, + {"log-buf-size", ARGP_LOG_BUF_SIZE, "LOG-BUF-SIZE", 0, + "Set logging " + "buffer size, [default: 5]"}, + {"log-flush-timeout", ARGP_LOG_FLUSH_TIMEOUT, "LOG-FLUSH-TIMEOUT", 0, + "Set log flush timeout, [default: 2 minutes]"}, + + {0, 0, 0, 0, "Advanced Options:"}, + {"volfile-server-port", ARGP_VOLFILE_SERVER_PORT_KEY, "PORT", 0, + "Listening port number of volfile server"}, + {"volfile-server-transport", ARGP_VOLFILE_SERVER_TRANSPORT_KEY, "TRANSPORT", + 0, "Transport type to get volfile from server [default: socket]"}, + {"volfile-id", ARGP_VOLFILE_ID_KEY, "KEY", 0, + "'key' of the volfile to be fetched from server"}, + {"pid-file", ARGP_PID_FILE_KEY, "PIDFILE", 0, "File to use as pid file"}, + {"socket-file", ARGP_SOCK_FILE_KEY, "SOCKFILE", 0, + "File to use as unix-socket"}, + {"no-daemon", ARGP_NO_DAEMON_KEY, 0, 0, "Run in foreground"}, + {"run-id", ARGP_RUN_ID_KEY, "RUN-ID", OPTION_HIDDEN, + "Run ID for the process, used by scripts to keep track of process " + "they started, defaults to none"}, + {"debug", ARGP_DEBUG_KEY, 0, 0, + "Run in debug mode. This option sets --no-daemon, --log-level " + "to DEBUG and --log-file to console"}, + {"volume-name", ARGP_VOLUME_NAME_KEY, "XLATOR-NAME", 0, + "Translator name to be used for MOUNT-POINT [default: top most volume " + "definition in VOLFILE]"}, + {"xlator-option", ARGP_XLATOR_OPTION_KEY, "XLATOR-NAME.OPTION=VALUE", 0, + "Add/override an option for a translator in volume file with specified" + " value"}, + {"read-only", ARGP_READ_ONLY_KEY, 0, 0, + "Mount the filesystem in 'read-only' mode"}, + {"acl", ARGP_ACL_KEY, 0, 0, "Mount the filesystem with POSIX ACL support"}, + {"selinux", ARGP_SELINUX_KEY, 0, 0, + "Enable SELinux label (extended attributes) support on inodes"}, + {"capability", ARGP_CAPABILITY_KEY, 0, 0, + "Enable Capability (extended attributes) support on inodes"}, + {"subdir-mount", ARGP_SUBDIR_MOUNT_KEY, "SUBDIR-PATH", 0, + "Mount subdirectory given [default: NULL]"}, + + {"print-netgroups", ARGP_PRINT_NETGROUPS, "NETGROUP-FILE", 0, + "Validate the netgroups file and print it out"}, + {"print-exports", ARGP_PRINT_EXPORTS, "EXPORTS-FILE", 0, + "Validate the exports file and print it out"}, + {"print-xlatordir", ARGP_PRINT_XLATORDIR_KEY, 0, OPTION_ARG_OPTIONAL, + "Print xlator directory path"}, + {"print-statedumpdir", ARGP_PRINT_STATEDUMPDIR_KEY, 0, OPTION_ARG_OPTIONAL, + "Print directory path in which statedumps shall be generated"}, + {"print-logdir", ARGP_PRINT_LOGDIR_KEY, 0, OPTION_ARG_OPTIONAL, + "Print path of default log directory"}, + {"print-libexecdir", ARGP_PRINT_LIBEXECDIR_KEY, 0, OPTION_ARG_OPTIONAL, + "Print path of default libexec directory"}, + + {"volfile-max-fetch-attempts", ARGP_VOLFILE_MAX_FETCH_ATTEMPTS, "0", + OPTION_HIDDEN, "Maximum number of attempts to fetch the volfile"}, + {"aux-gfid-mount", ARGP_AUX_GFID_MOUNT_KEY, 0, 0, + "Enable access to filesystem through gfid directly"}, + {"enable-ino32", ARGP_INODE32_KEY, "BOOL", OPTION_ARG_OPTIONAL, + "Use 32-bit inodes when mounting to workaround broken applications" + "that don't support 64-bit inodes"}, + {"worm", ARGP_WORM_KEY, 0, 0, "Mount the filesystem in 'worm' mode"}, + {"mac-compat", ARGP_MAC_COMPAT_KEY, "BOOL", OPTION_ARG_OPTIONAL, + "Provide stubs for attributes needed for seamless operation on Macs " #ifdef GF_DARWIN_HOST_OS - {"non-local", ARGP_NON_LOCAL_KEY, 0, 0, - "Mount the macfuse volume without '-o local' option"}, + "[default: \"on\" on client side, else \"off\"]" +#else + "[default: \"off\"]" #endif - {0, 0, 0, 0, "Miscellaneous Options:"}, - {0, } -}; + }, + {"brick-name", ARGP_BRICK_NAME_KEY, "BRICK-NAME", OPTION_HIDDEN, + "Brick name to be registered with Gluster portmapper"}, + {"brick-port", ARGP_BRICK_PORT_KEY, "BRICK-PORT", OPTION_HIDDEN, + "Brick Port to be registered with Gluster portmapper"}, + {"fopen-keep-cache", ARGP_FOPEN_KEEP_CACHE_KEY, "BOOL", OPTION_ARG_OPTIONAL, + "Do not purge the cache on file open [default: false]"}, + {"global-timer-wheel", ARGP_GLOBAL_TIMER_WHEEL, "BOOL", OPTION_ARG_OPTIONAL, + "Instantiate process global timer-wheel"}, + {"thin-client", ARGP_THIN_CLIENT_KEY, 0, 0, + "Enables thin mount and connects via gfproxyd daemon"}, + {"global-threading", ARGP_GLOBAL_THREADING_KEY, "BOOL", OPTION_ARG_OPTIONAL, + "Use the global thread pool instead of io-threads"}, + {0, 0, 0, 0, "Fuse options:"}, + {"direct-io-mode", ARGP_DIRECT_IO_MODE_KEY, "BOOL|auto", + OPTION_ARG_OPTIONAL, "Specify direct I/O strategy [default: \"auto\"]"}, + {"entry-timeout", ARGP_ENTRY_TIMEOUT_KEY, "SECONDS", 0, + "Set entry timeout to SECONDS in fuse kernel module [default: 1]"}, + {"negative-timeout", ARGP_NEGATIVE_TIMEOUT_KEY, "SECONDS", 0, + "Set negative timeout to SECONDS in fuse kernel module [default: 0]"}, + {"attribute-timeout", ARGP_ATTRIBUTE_TIMEOUT_KEY, "SECONDS", 0, + "Set attribute timeout to SECONDS for inodes in fuse kernel module " + "[default: 1]"}, + {"gid-timeout", ARGP_GID_TIMEOUT_KEY, "SECONDS", 0, + "Set auxiliary group list timeout to SECONDS for fuse translator " + "[default: 300]"}, + {"resolve-gids", ARGP_RESOLVE_GIDS_KEY, 0, 0, + "Resolve all auxiliary groups in fuse translator (max 32 otherwise)"}, + {"lru-limit", ARGP_FUSE_LRU_LIMIT_KEY, "N", 0, + "Set fuse module's limit for number of inodes kept in LRU list to N " + "[default: 65536]"}, + {"invalidate-limit", ARGP_FUSE_INVALIDATE_LIMIT_KEY, "N", 0, + "Suspend inode invalidations implied by 'lru-limit' if the number of " + "outstanding invalidations reaches N"}, + {"background-qlen", ARGP_FUSE_BACKGROUND_QLEN_KEY, "N", 0, + "Set fuse module's background queue length to N " + "[default: 64]"}, + {"congestion-threshold", ARGP_FUSE_CONGESTION_THRESHOLD_KEY, "N", 0, + "Set fuse module's congestion threshold to N " + "[default: 48]"}, +#ifdef GF_LINUX_HOST_OS + {"oom-score-adj", ARGP_OOM_SCORE_ADJ_KEY, "INTEGER", 0, + "Set oom_score_adj value for process" + "[default: 0]"}, +#endif + {"client-pid", ARGP_CLIENT_PID_KEY, "PID", OPTION_HIDDEN, + "client will authenticate itself with process id PID to server"}, + {"no-root-squash", ARGP_FUSE_NO_ROOT_SQUASH_KEY, "BOOL", + OPTION_ARG_OPTIONAL, + "disable/enable root squashing for the trusted " + "client"}, + {"user-map-root", ARGP_USER_MAP_ROOT_KEY, "USER", OPTION_HIDDEN, + "replace USER with root in messages"}, + {"dump-fuse", ARGP_DUMP_FUSE_KEY, "PATH", 0, "Dump fuse traffic to PATH"}, + {"volfile-check", ARGP_VOLFILE_CHECK_KEY, 0, 0, + "Enable strict volume file checking"}, + {"no-mem-accounting", ARGP_MEM_ACCOUNTING_KEY, 0, OPTION_HIDDEN, + "disable internal memory accounting"}, + {"fuse-mountopts", ARGP_FUSE_MOUNTOPTS_KEY, "OPTIONS", OPTION_HIDDEN, + "Extra mount options to pass to FUSE"}, + {"use-readdirp", ARGP_FUSE_USE_READDIRP_KEY, "BOOL", OPTION_ARG_OPTIONAL, + "Use readdirp mode in fuse kernel module" + " [default: \"yes\"]"}, + {"secure-mgmt", ARGP_SECURE_MGMT_KEY, "BOOL", OPTION_ARG_OPTIONAL, + "Override default for secure (SSL) management connections"}, + {"localtime-logging", ARGP_LOCALTIME_LOGGING_KEY, 0, 0, + "Enable localtime logging"}, + {"process-name", ARGP_PROCESS_NAME_KEY, "PROCESS-NAME", OPTION_HIDDEN, + "option to specify the process type"}, + {"event-history", ARGP_FUSE_EVENT_HISTORY_KEY, "BOOL", OPTION_ARG_OPTIONAL, + "disable/enable fuse event-history"}, + {"reader-thread-count", ARGP_READER_THREAD_COUNT_KEY, "INTEGER", + OPTION_ARG_OPTIONAL, "set fuse reader thread count"}, + {"kernel-writeback-cache", ARGP_KERNEL_WRITEBACK_CACHE_KEY, "BOOL", + OPTION_ARG_OPTIONAL, "enable fuse in-kernel writeback cache"}, + {"attr-times-granularity", ARGP_ATTR_TIMES_GRANULARITY_KEY, "NS", + OPTION_ARG_OPTIONAL, + "declare supported granularity of file attribute" + " times in nanoseconds"}, + {"fuse-flush-handle-interrupt", ARGP_FUSE_FLUSH_HANDLE_INTERRUPT_KEY, + "BOOL", OPTION_ARG_OPTIONAL | OPTION_HIDDEN, + "handle interrupt in fuse FLUSH handler"}, + {"auto-invalidation", ARGP_FUSE_AUTO_INVAL_KEY, "BOOL", OPTION_ARG_OPTIONAL, + "controls whether fuse-kernel can auto-invalidate " + "attribute, dentry and page-cache. " + "Disable this only if same files/directories are not accessed across " + "two different mounts concurrently [default: \"on\"]"}, + {"fuse-dev-eperm-ratelimit-ns", ARGP_FUSE_DEV_EPERM_RATELIMIT_NS_KEY, + "OPTIONS", OPTION_HIDDEN, + "rate limit reading from fuse device upon EPERM failure"}, + {"brick-mux", ARGP_BRICK_MUX_KEY, 0, 0, "Enable brick mux. "}, + {0, 0, 0, 0, "Miscellaneous Options:"}, + { + 0, + }}; + +static struct argp argp = {gf_options, parse_opts, argp_doc, gf_doc}; +int +glusterfs_pidfile_cleanup(glusterfs_ctx_t *ctx); +int +glusterfs_volumes_init(glusterfs_ctx_t *ctx); +int +glusterfs_mgmt_init(glusterfs_ctx_t *ctx); +int +glusterfs_listener_init(glusterfs_ctx_t *ctx); -static struct argp argp = { gf_options, parse_opts, argp_doc, gf_doc }; +#define DICT_SET_VAL(method, dict, key, val, msgid) \ + if (method(dict, key, val)) { \ + gf_smsg("glusterfsd", GF_LOG_ERROR, 0, msgid, "key=%s", key); \ + goto err; \ + } -/* Make use of pipe to synchronize daemonization */ -int -gf_daemon (int *pipe_fd) +static int +set_fuse_mount_options(glusterfs_ctx_t *ctx, dict_t *options) { - pid_t pid = -1; - int ret = -1; - int gf_daemon_buff = 0; - - if (pipe (pipe_fd) < 0) { - gf_log ("glusterfs", GF_LOG_ERROR, - "pipe creation error- %s", strerror (errno)); - return -1; - } - - if ((pid = fork ()) < 0) { - gf_log ("glusterfs", GF_LOG_ERROR, "fork error: %s", - strerror (errno)); - return -1; - } else if (pid != 0) { - close (pipe_fd[1]); - ret = read (pipe_fd[0], &gf_daemon_buff, - sizeof (int)); - close (pipe_fd[0]); - - if (ret == -1) { - gf_log ("glusterfs", GF_LOG_ERROR, - "read error on pipe- %s", strerror (errno)); - return ret; - } else if (ret == 0) { - gf_log ("glusterfs", GF_LOG_ERROR, - "end of file- %s", strerror (errno)); - return -1; - } else { - if (gf_daemon_buff == 0) - exit (EXIT_SUCCESS); - else - exit (EXIT_FAILURE); - } + int ret = 0; + cmd_args_t *cmd_args = NULL; + char *mount_point = NULL; + char cwd[PATH_MAX] = { + 0, + }; + + cmd_args = &ctx->cmd_args; + + /* Check if mount-point is absolute path, + * if not convert to absolute path by concatenating with CWD + */ + if (cmd_args->mount_point[0] != '/') { + if (getcwd(cwd, PATH_MAX) != NULL) { + ret = gf_asprintf(&mount_point, "%s/%s", cwd, + cmd_args->mount_point); + if (ret == -1) { + gf_smsg("glusterfsd", GF_LOG_ERROR, errno, glusterfsd_msg_1, + "gf_asprintf failed", NULL); + goto err; + } + } else { + gf_smsg("glusterfsd", GF_LOG_ERROR, errno, glusterfsd_msg_2, + "getcwd failed", NULL); + goto err; } - /*child continues*/ - close (pipe_fd[0]); - if (daemon (0, 0) == -1) { - gf_log ("glusterfs", GF_LOG_ERROR, - "unable to run in daemon mode: %s", - strerror (errno)); - return -1; - } - return 0; + } else { + mount_point = gf_strdup(cmd_args->mount_point); + } + DICT_SET_VAL(dict_set_dynstr_sizen, options, ZR_MOUNTPOINT_OPT, mount_point, + glusterfsd_msg_3); + + if (cmd_args->fuse_attribute_timeout >= 0) { + DICT_SET_VAL(dict_set_double, options, ZR_ATTR_TIMEOUT_OPT, + cmd_args->fuse_attribute_timeout, glusterfsd_msg_3); + } + + if (cmd_args->fuse_entry_timeout >= 0) { + DICT_SET_VAL(dict_set_double, options, ZR_ENTRY_TIMEOUT_OPT, + cmd_args->fuse_entry_timeout, glusterfsd_msg_3); + } + + if (cmd_args->fuse_negative_timeout >= 0) { + DICT_SET_VAL(dict_set_double, options, ZR_NEGATIVE_TIMEOUT_OPT, + cmd_args->fuse_negative_timeout, glusterfsd_msg_3); + } + + if (cmd_args->client_pid_set) { + DICT_SET_VAL(dict_set_int32_sizen, options, "client-pid", + cmd_args->client_pid, glusterfsd_msg_3); + } + + if (cmd_args->uid_map_root) { + DICT_SET_VAL(dict_set_int32_sizen, options, "uid-map-root", + cmd_args->uid_map_root, glusterfsd_msg_3); + } + + if (cmd_args->volfile_check) { + DICT_SET_VAL(dict_set_int32_sizen, options, ZR_STRICT_VOLFILE_CHECK, + cmd_args->volfile_check, glusterfsd_msg_3); + } + + if (cmd_args->dump_fuse) { + DICT_SET_VAL(dict_set_static_ptr, options, ZR_DUMP_FUSE, + cmd_args->dump_fuse, glusterfsd_msg_3); + } + + if (cmd_args->acl) { + DICT_SET_VAL(dict_set_static_ptr, options, "acl", "on", + glusterfsd_msg_3); + } + + if (cmd_args->selinux) { + DICT_SET_VAL(dict_set_static_ptr, options, "selinux", "on", + glusterfsd_msg_3); + } + + if (cmd_args->capability) { + DICT_SET_VAL(dict_set_static_ptr, options, "capability", "on", + glusterfsd_msg_3); + } + + if (cmd_args->aux_gfid_mount) { + DICT_SET_VAL(dict_set_static_ptr, options, "virtual-gfid-access", "on", + glusterfsd_msg_3); + } + + if (cmd_args->enable_ino32) { + DICT_SET_VAL(dict_set_static_ptr, options, "enable-ino32", "on", + glusterfsd_msg_3); + } + + if (cmd_args->read_only) { + DICT_SET_VAL(dict_set_static_ptr, options, "read-only", "on", + glusterfsd_msg_3); + } + + switch (cmd_args->fopen_keep_cache) { + case GF_OPTION_ENABLE: + + DICT_SET_VAL(dict_set_static_ptr, options, "fopen-keep-cache", "on", + glusterfsd_msg_3); + break; + case GF_OPTION_DISABLE: + DICT_SET_VAL(dict_set_static_ptr, options, "fopen-keep-cache", + "off", glusterfsd_msg_3); + break; + default: + gf_msg_debug("glusterfsd", 0, "fopen-keep-cache mode %d", + cmd_args->fopen_keep_cache); + break; + } + + if (cmd_args->gid_timeout_set) { + DICT_SET_VAL(dict_set_int32_sizen, options, "gid-timeout", + cmd_args->gid_timeout, glusterfsd_msg_3); + } + + if (cmd_args->resolve_gids) { + DICT_SET_VAL(dict_set_static_ptr, options, "resolve-gids", "on", + glusterfsd_msg_3); + } + + if (cmd_args->lru_limit >= 0) { + DICT_SET_VAL(dict_set_int32_sizen, options, "lru-limit", + cmd_args->lru_limit, glusterfsd_msg_3); + } + + if (cmd_args->invalidate_limit >= 0) { + DICT_SET_VAL(dict_set_int32_sizen, options, "invalidate-limit", + cmd_args->invalidate_limit, glusterfsd_msg_3); + } + + if (cmd_args->background_qlen) { + DICT_SET_VAL(dict_set_int32_sizen, options, "background-qlen", + cmd_args->background_qlen, glusterfsd_msg_3); + } + if (cmd_args->congestion_threshold) { + DICT_SET_VAL(dict_set_int32_sizen, options, "congestion-threshold", + cmd_args->congestion_threshold, glusterfsd_msg_3); + } + + switch (cmd_args->fuse_direct_io_mode) { + case GF_OPTION_DISABLE: /* disable */ + DICT_SET_VAL(dict_set_static_ptr, options, ZR_DIRECT_IO_OPT, + "disable", glusterfsd_msg_3); + break; + case GF_OPTION_ENABLE: /* enable */ + DICT_SET_VAL(dict_set_static_ptr, options, ZR_DIRECT_IO_OPT, + "enable", glusterfsd_msg_3); + break; + default: + gf_msg_debug("glusterfsd", 0, "fuse direct io type %d", + cmd_args->fuse_direct_io_mode); + break; + } + + switch (cmd_args->no_root_squash) { + case GF_OPTION_ENABLE: /* enable */ + DICT_SET_VAL(dict_set_static_ptr, options, "no-root-squash", + "enable", glusterfsd_msg_3); + break; + default: + DICT_SET_VAL(dict_set_static_ptr, options, "no-root-squash", + "disable", glusterfsd_msg_3); + gf_msg_debug("glusterfsd", 0, "fuse no-root-squash mode %d", + cmd_args->no_root_squash); + break; + } + + if (!cmd_args->no_daemon_mode) { + DICT_SET_VAL(dict_set_static_ptr, options, "sync-to-mount", "enable", + glusterfsd_msg_3); + } + + if (cmd_args->use_readdirp) { + DICT_SET_VAL(dict_set_static_ptr, options, "use-readdirp", + cmd_args->use_readdirp, glusterfsd_msg_3); + } + if (cmd_args->event_history) { + ret = dict_set_str(options, "event-history", cmd_args->event_history); + DICT_SET_VAL(dict_set_static_ptr, options, "event-history", + cmd_args->event_history, glusterfsd_msg_3); + } + if (cmd_args->thin_client) { + DICT_SET_VAL(dict_set_static_ptr, options, "thin-client", "on", + glusterfsd_msg_3); + } + if (cmd_args->reader_thread_count) { + DICT_SET_VAL(dict_set_uint32, options, "reader-thread-count", + cmd_args->reader_thread_count, glusterfsd_msg_3); + } + + DICT_SET_VAL(dict_set_uint32, options, "auto-invalidation", + cmd_args->fuse_auto_inval, glusterfsd_msg_3); + + switch (cmd_args->kernel_writeback_cache) { + case GF_OPTION_ENABLE: + DICT_SET_VAL(dict_set_static_ptr, options, "kernel-writeback-cache", + "on", glusterfsd_msg_3); + break; + case GF_OPTION_DISABLE: + DICT_SET_VAL(dict_set_static_ptr, options, "kernel-writeback-cache", + "off", glusterfsd_msg_3); + break; + default: + gf_msg_debug("glusterfsd", 0, "kernel-writeback-cache mode %d", + cmd_args->kernel_writeback_cache); + break; + } + if (cmd_args->attr_times_granularity) { + DICT_SET_VAL(dict_set_uint32, options, "attr-times-granularity", + cmd_args->attr_times_granularity, glusterfsd_msg_3); + } + switch (cmd_args->fuse_flush_handle_interrupt) { + case GF_OPTION_ENABLE: + DICT_SET_VAL(dict_set_static_ptr, options, "flush-handle-interrupt", + "on", glusterfsd_msg_3); + break; + case GF_OPTION_DISABLE: + DICT_SET_VAL(dict_set_static_ptr, options, "flush-handle-interrupt", + "off", glusterfsd_msg_3); + break; + default: + gf_msg_debug("glusterfsd", 0, "fuse-flush-handle-interrupt mode %d", + cmd_args->fuse_flush_handle_interrupt); + break; + } + if (cmd_args->global_threading) { + DICT_SET_VAL(dict_set_static_ptr, options, "global-threading", "on", + glusterfsd_msg_3); + } + if (cmd_args->fuse_dev_eperm_ratelimit_ns) { + DICT_SET_VAL(dict_set_uint32, options, "fuse-dev-eperm-ratelimit-ns", + cmd_args->fuse_dev_eperm_ratelimit_ns, glusterfsd_msg_3); + } + + ret = 0; +err: + return ret; } -static void -_gf_dump_details (int argc, char **argv) +int +create_fuse_mount(glusterfs_ctx_t *ctx) { - extern FILE *gf_log_logfile; - int i = 0; - char timestr[256]; - time_t utime = 0; - struct tm *tm = NULL; - pid_t mypid = 0; - struct utsname uname_buf = {{0, }, }; - int uname_ret = -1; - - utime = time (NULL); - tm = localtime (&utime); - mypid = getpid (); - uname_ret = uname (&uname_buf); - - /* Which git? What time? */ - strftime (timestr, 256, "%Y-%m-%d %H:%M:%S", tm); - fprintf (gf_log_logfile, - "========================================" - "========================================\n"); - fprintf (gf_log_logfile, "Version : %s %s built on %s %s\n", - PACKAGE_NAME, PACKAGE_VERSION, __DATE__, __TIME__); - fprintf (gf_log_logfile, "git: %s\n", - GLUSTERFS_REPOSITORY_REVISION); - fprintf (gf_log_logfile, "Starting Time: %s\n", timestr); - fprintf (gf_log_logfile, "Command line : "); - for (i = 0; i < argc; i++) { - fprintf (gf_log_logfile, "%s ", argv[i]); + int ret = 0; + cmd_args_t *cmd_args = NULL; + xlator_t *master = NULL; + + cmd_args = &ctx->cmd_args; + if (!cmd_args->mount_point) { + gf_msg_trace("glusterfsd", 0, + "mount point not found, not a client process"); + return 0; + } + + if (ctx->process_mode != GF_CLIENT_PROCESS) { + gf_smsg("glusterfsd", GF_LOG_ERROR, 0, glusterfsd_msg_7, NULL); + return -1; + } + + master = GF_CALLOC(1, sizeof(*master), gfd_mt_xlator_t); + if (!master) + goto err; + + master->name = gf_strdup("fuse"); + if (!master->name) + goto err; + + if (xlator_set_type(master, "mount/fuse") == -1) { + gf_smsg("glusterfsd", GF_LOG_ERROR, errno, glusterfsd_msg_8, + "MOUNT-POINT=%s", cmd_args->mount_point, NULL); + goto err; + } + + master->ctx = ctx; + master->options = dict_new(); + if (!master->options) + goto err; + + ret = set_fuse_mount_options(ctx, master->options); + if (ret) + goto err; + + if (cmd_args->fuse_mountopts) { + ret = dict_set_static_ptr(master->options, ZR_FUSE_MOUNTOPTS, + cmd_args->fuse_mountopts); + if (ret < 0) { + gf_smsg("glusterfsd", GF_LOG_ERROR, 0, glusterfsd_msg_3, + ZR_FUSE_MOUNTOPTS, NULL); + goto err; } + } - fprintf (gf_log_logfile, "\nPID : %d\n", mypid); + ret = xlator_init(master); + if (ret) { + gf_msg_debug("glusterfsd", 0, "failed to initialize fuse translator"); + goto err; + } - if (uname_ret == 0) { - fprintf (gf_log_logfile, "System name : %s\n", uname_buf.sysname); - fprintf (gf_log_logfile, "Nodename : %s\n", uname_buf.nodename); - fprintf (gf_log_logfile, "Kernel Release : %s\n", uname_buf.release); - fprintf (gf_log_logfile, "Hardware Identifier: %s\n", uname_buf.machine); - } + ctx->master = master; + + return 0; +err: + if (master) { + xlator_destroy(master); + } - fprintf (gf_log_logfile, "\n"); - fflush (gf_log_logfile); + return 1; } -static xlator_t * -gf_get_first_xlator (xlator_t *list) +static FILE * +get_volfp(glusterfs_ctx_t *ctx) { - xlator_t *trav = NULL, *head = NULL; + cmd_args_t *cmd_args = NULL; + FILE *specfp = NULL; - trav = list; - do { - if (trav->prev == NULL) { - head = trav; - } + cmd_args = &ctx->cmd_args; - trav = trav->prev; - } while (trav != NULL); + if ((specfp = fopen(cmd_args->volfile, "r")) == NULL) { + gf_smsg("glusterfsd", GF_LOG_ERROR, errno, glusterfsd_msg_9, + "volume_file=%s", cmd_args->volfile, NULL); + return NULL; + } - return head; + gf_msg_debug("glusterfsd", 0, "loading volume file %s", cmd_args->volfile); + + return specfp; } -static xlator_t * -_add_fuse_mount (xlator_t *graph) +static int +gf_remember_backup_volfile_server(char *arg) { - int ret = 0; - cmd_args_t *cmd_args = NULL; - xlator_t *top = NULL; - glusterfs_ctx_t *ctx = NULL; - xlator_list_t *xlchild = NULL; - - ctx = graph->ctx; - cmd_args = &ctx->cmd_args; - - xlchild = CALLOC (sizeof (*xlchild), 1); - ERR_ABORT (xlchild); - xlchild->xlator = graph; - - top = CALLOC (1, sizeof (*top)); - top->name = strdup ("fuse"); - if (xlator_set_type (top, ZR_XLATOR_FUSE) == -1) { - fprintf (stderr, - "MOUNT-POINT %s initialization failed", - cmd_args->mount_point); - gf_log ("glusterfs", GF_LOG_ERROR, - "MOUNT-POINT %s initialization failed", - cmd_args->mount_point); - return NULL; - } - top->children = xlchild; - top->ctx = graph->ctx; - top->next = gf_get_first_xlator (graph); - top->options = get_new_dict (); + glusterfs_ctx_t *ctx = NULL; + cmd_args_t *cmd_args = NULL; + int ret = -1; + + ctx = glusterfsd_ctx; + if (!ctx) + goto out; + cmd_args = &ctx->cmd_args; + + if (!cmd_args) + goto out; + + ret = gf_set_volfile_server_common( + cmd_args, arg, GF_DEFAULT_VOLFILE_TRANSPORT, GF_DEFAULT_BASE_PORT); + if (ret) { + gf_log("glusterfs", GF_LOG_ERROR, "failed to set volfile server: %s", + strerror(errno)); + } +out: + return ret; +} - ret = dict_set_static_ptr (top->options, ZR_MOUNTPOINT_OPT, - cmd_args->mount_point); - if (ret < 0) { - gf_log ("glusterfs", GF_LOG_DEBUG, - "failed to set mount-point to options dictionary"); - } +static int +gf_remember_xlator_option(char *arg) +{ + glusterfs_ctx_t *ctx = NULL; + cmd_args_t *cmd_args = NULL; + xlator_cmdline_option_t *option = NULL; + int ret = -1; + char *dot = NULL; + char *equals = NULL; - if (cmd_args->fuse_attribute_timeout >= 0) - ret = dict_set_double (top->options, ZR_ATTR_TIMEOUT_OPT, - cmd_args->fuse_attribute_timeout); - if (cmd_args->fuse_entry_timeout) - ret = dict_set_double (top->options, ZR_ENTRY_TIMEOUT_OPT, - cmd_args->fuse_entry_timeout); + ctx = glusterfsd_ctx; + cmd_args = &ctx->cmd_args; - if (cmd_args->volfile_check) - ret = dict_set_int32 (top->options, ZR_STRICT_VOLFILE_CHECK, - cmd_args->volfile_check); + option = GF_CALLOC(1, sizeof(xlator_cmdline_option_t), + gfd_mt_xlator_cmdline_option_t); + if (!option) + goto out; -#ifdef GF_DARWIN_HOST_OS - /* On Darwin machines, O_APPEND is not handled, - * which may corrupt the data - */ - if (cmd_args->fuse_direct_io_mode_flag == _gf_true) { - gf_log ("glusterfs", GF_LOG_DEBUG, - "'direct-io-mode' in fuse causes data corruption " - "if O_APPEND is used. disabling 'direct-io-mode'"); - } - ret = dict_set_static_ptr (top->options, ZR_DIRECT_IO_OPT, "disable"); - - if (cmd_args->non_local) - ret = dict_set_uint32 (top->options, "macfuse-local", - cmd_args->non_local); - -#else /* ! DARWIN HOST OS */ - if (cmd_args->fuse_direct_io_mode_flag == _gf_true) { - ret = dict_set_static_ptr (top->options, ZR_DIRECT_IO_OPT, - "enable"); - } else { - ret = dict_set_static_ptr (top->options, ZR_DIRECT_IO_OPT, - "disable"); - } + INIT_LIST_HEAD(&option->cmd_args); -#endif /* GF_DARWIN_HOST_OS */ + dot = strchr(arg, '.'); + if (!dot) { + gf_smsg("", GF_LOG_WARNING, 0, glusterfsd_msg_10, "arg=%s", arg, NULL); + goto out; + } - graph->parents = CALLOC (1, sizeof (xlator_list_t)); - graph->parents->xlator = top; + option->volume = GF_MALLOC((dot - arg) + 1, gfd_mt_char); + if (!option->volume) + goto out; - return top; -} + strncpy(option->volume, arg, (dot - arg)); + option->volume[(dot - arg)] = '\0'; + equals = strchr(arg, '='); + if (!equals) { + gf_smsg("", GF_LOG_WARNING, 0, glusterfsd_msg_10, "arg=%s", arg, NULL); + goto out; + } -static FILE * -_get_specfp (glusterfs_ctx_t *ctx) -{ - int ret = 0; - cmd_args_t *cmd_args = NULL; - FILE *specfp = NULL; - struct stat statbuf; - - cmd_args = &ctx->cmd_args; - - if (cmd_args->volfile_server) { - specfp = fetch_spec (ctx); - - if (specfp == NULL) { - fprintf (stderr, - "error while getting volume file from " - "server %s\n", cmd_args->volfile_server); - gf_log ("glusterfs", GF_LOG_ERROR, - "error while getting volume file from " - "server %s", cmd_args->volfile_server); - } - else { - gf_log ("glusterfs", GF_LOG_DEBUG, - "loading volume file from server %s", - cmd_args->volfile_server); - } + option->key = GF_MALLOC((equals - dot) + 1, gfd_mt_char); + if (!option->key) + goto out; - return specfp; - } + strncpy(option->key, dot + 1, (equals - dot - 1)); + option->key[(equals - dot - 1)] = '\0'; - ret = stat (cmd_args->volume_file, &statbuf); - if (ret == -1) { - fprintf (stderr, "%s: %s\n", - cmd_args->volume_file, strerror (errno)); - gf_log ("glusterfs", GF_LOG_ERROR, - "%s: %s", cmd_args->volume_file, strerror (errno)); - return NULL; - } - if (!(S_ISREG (statbuf.st_mode) || S_ISLNK (statbuf.st_mode))) { - fprintf (stderr, - "provide a valid volume file\n"); - gf_log ("glusterfs", GF_LOG_ERROR, - "provide a valid volume file"); - return NULL; - } - if ((specfp = fopen (cmd_args->volume_file, "r")) == NULL) { - fprintf (stderr, "volume file %s: %s\n", - cmd_args->volume_file, - strerror (errno)); - gf_log ("glusterfs", GF_LOG_ERROR, - "volume file %s: %s", - cmd_args->volume_file, - strerror (errno)); - return NULL; + if (!*(equals + 1)) { + gf_smsg("", GF_LOG_WARNING, 0, glusterfsd_msg_10, "arg=%s", arg, NULL); + goto out; + } + + option->value = gf_strdup(equals + 1); + + list_add(&option->cmd_args, &cmd_args->xlator_options); + + ret = 0; +out: + if (ret == -1) { + if (option) { + GF_FREE(option->volume); + GF_FREE(option->key); + GF_FREE(option->value); + + GF_FREE(option); } + } + + return ret; +} + +#ifdef GF_LINUX_HOST_OS +static struct oom_api_info { + char *oom_api_file; + int32_t oom_min; + int32_t oom_max; +} oom_api_info[] = { + {"/proc/self/oom_score_adj", OOM_SCORE_ADJ_MIN, OOM_SCORE_ADJ_MAX}, + {"/proc/self/oom_adj", OOM_DISABLE, OOM_ADJUST_MAX}, + {NULL, 0, 0}}; + +static struct oom_api_info * +get_oom_api_info(void) +{ + struct oom_api_info *api = NULL; - gf_log ("glusterfs", GF_LOG_DEBUG, - "loading volume file %s", cmd_args->volume_file); + for (api = oom_api_info; api->oom_api_file; api++) { + if (sys_access(api->oom_api_file, F_OK) != -1) { + return api; + } + } - return specfp; + return NULL; } +#endif -static xlator_t * -_parse_specfp (glusterfs_ctx_t *ctx, - FILE *specfp) +static error_t +parse_opts(int key, char *arg, struct argp_state *state) { - int spec_fd = 0; - cmd_args_t *cmd_args = NULL; - xlator_t *tree = NULL, *trav = NULL, *new_tree = NULL; + cmd_args_t *cmd_args = NULL; + uint32_t n = 0; +#ifdef GF_LINUX_HOST_OS + int32_t k = 0; + struct oom_api_info *api = NULL; +#endif + double d = 0.0; + gf_boolean_t b = _gf_false; + char *pwd = NULL; + char *tmp_str = NULL; + char *port_str = NULL; + struct passwd *pw = NULL; + int ret = 0; - cmd_args = &ctx->cmd_args; + cmd_args = state->input; - fseek (specfp, 0L, SEEK_SET); + switch (key) { + case ARGP_VOLFILE_SERVER_KEY: + gf_remember_backup_volfile_server(arg); - tree = file_to_xlator_tree (ctx, specfp); - trav = tree; + break; - if (tree == NULL) { - if (cmd_args->volfile_server) { - fprintf (stderr, - "error in parsing volume file given by " - "server %s\n", cmd_args->volfile_server); - gf_log ("glusterfs", GF_LOG_ERROR, - "error in parsing volume file given by " - "server %s", cmd_args->volfile_server); - } - else { - fprintf (stderr, - "error in parsing volume file %s\n", - cmd_args->volume_file); - gf_log ("glusterfs", GF_LOG_ERROR, - "error in parsing volume file %s", - cmd_args->volume_file); - } - return NULL; - } + case ARGP_READ_ONLY_KEY: + cmd_args->read_only = 1; + break; - spec_fd = fileno (specfp); - get_checksum_for_file (spec_fd, &ctx->volfile_checksum); + case ARGP_ACL_KEY: + cmd_args->acl = 1; + gf_remember_xlator_option("*-md-cache.cache-posix-acl=true"); + break; - /* if volume_name is given, then we attach to it */ - if (cmd_args->volume_name) { - while (trav) { - if (strcmp (trav->name, cmd_args->volume_name) == 0) { - new_tree = trav; - break; - } - trav = trav->next; - } + case ARGP_SELINUX_KEY: + cmd_args->selinux = 1; + gf_remember_xlator_option("*-md-cache.cache-selinux=true"); + break; - if (!trav) { - if (cmd_args->volfile_server) { - fprintf (stderr, - "volume %s not found in volume " - "file given by server %s\n", - cmd_args->volume_name, - cmd_args->volfile_server); - gf_log ("glusterfs", GF_LOG_ERROR, - "volume %s not found in volume " - "file given by server %s", - cmd_args->volume_name, - cmd_args->volfile_server); - } else { - fprintf (stderr, - "volume %s not found in volume " - "file %s\n", - cmd_args->volume_name, - cmd_args->volume_file); - gf_log ("glusterfs", GF_LOG_ERROR, - "volume %s not found in volume " - "file %s", cmd_args->volume_name, - cmd_args->volume_file); - } - return NULL; - } - tree = trav; - } - return tree; -} + case ARGP_CAPABILITY_KEY: + cmd_args->capability = 1; + break; -static int -_log_if_option_is_invalid (xlator_t *xl, data_pair_t *pair) -{ - volume_opt_list_t *vol_opt = NULL; - volume_option_t *opt = NULL; - int i = 0; - int index = 0; - int found = 0; - - /* Get the first volume_option */ - list_for_each_entry (vol_opt, &xl->volume_options, list) { - /* Warn for extra option */ - if (!vol_opt->given_opt) - break; - - opt = vol_opt->given_opt; - for (index = 0; - ((index < ZR_OPTION_MAX_ARRAY_SIZE) && - (opt[index].key && opt[index].key[0])); index++) - for (i = 0; (i < ZR_VOLUME_MAX_NUM_KEY) && - opt[index].key[i]; i++) { - if (fnmatch (opt[index].key[i], - pair->key, - FNM_NOESCAPE) == 0) { - found = 1; - break; - } - } - } + case ARGP_AUX_GFID_MOUNT_KEY: + cmd_args->aux_gfid_mount = 1; + break; - if (!found) { - gf_log (xl->name, GF_LOG_WARNING, - "option '%s' is not recognized", - pair->key); - } - return 0; -} + case ARGP_INODE32_KEY: + cmd_args->enable_ino32 = 1; + break; -static int -_xlator_graph_init (xlator_t *xl) -{ - volume_opt_list_t *vol_opt = NULL; - data_pair_t *pair = NULL; - xlator_t *trav = NULL; - int ret = -1; - - trav = xl; - - while (trav->prev) - trav = trav->prev; - - /* Validate phase */ - while (trav) { - /* Get the first volume_option */ - list_for_each_entry (vol_opt, - &trav->volume_options, list) - break; - if ((ret = - validate_xlator_volume_options (trav, - vol_opt->given_opt)) < 0) { - gf_log (trav->name, GF_LOG_ERROR, - "validating translator failed"); - return ret; - } - trav = trav->next; - } + case ARGP_WORM_KEY: + cmd_args->worm = 1; + break; + case ARGP_PRINT_NETGROUPS: + cmd_args->print_netgroups = arg; + break; - trav = xl; - while (trav->prev) - trav = trav->prev; - /* Initialization phase */ - while (trav) { - if (!trav->ready) { - if ((ret = xlator_tree_init (trav)) < 0) { - gf_log ("glusterfs", GF_LOG_ERROR, - "initializing translator failed"); - return ret; - } - } - trav = trav->next; - } + case ARGP_PRINT_EXPORTS: + cmd_args->print_exports = arg; + break; - /* No error in this phase, just bunch of warning if at all */ - trav = xl; + case ARGP_PRINT_XLATORDIR_KEY: + cmd_args->print_xlatordir = _gf_true; + break; - while (trav->prev) - trav = trav->prev; + case ARGP_PRINT_STATEDUMPDIR_KEY: + cmd_args->print_statedumpdir = _gf_true; + break; - /* Validate again phase */ - while (trav) { - pair = trav->options->members_list; - while (pair) { - _log_if_option_is_invalid (trav, pair); - pair = pair->next; - } - trav = trav->next; - } + case ARGP_PRINT_LOGDIR_KEY: + cmd_args->print_logdir = _gf_true; + break; - return ret; -} + case ARGP_PRINT_LIBEXECDIR_KEY: + cmd_args->print_libexecdir = _gf_true; + break; -int -glusterfs_graph_init (xlator_t *graph, int fuse) -{ - volume_opt_list_t *vol_opt = NULL; - - if (fuse) { - /* FUSE needs to be initialized earlier than the - other translators */ - list_for_each_entry (vol_opt, - &graph->volume_options, list) - break; - if (validate_xlator_volume_options (graph, - vol_opt->given_opt) == -1) { - gf_log (graph->name, GF_LOG_ERROR, - "validating translator failed"); - return -1; + case ARGP_MAC_COMPAT_KEY: + if (!arg) + arg = "on"; + + if (gf_string2boolean(arg, &b) == 0) { + cmd_args->mac_compat = b; + + break; + } + + argp_failure(state, -1, 0, "invalid value \"%s\" for mac-compat", + arg); + break; + + case ARGP_VOLUME_FILE_KEY: + GF_FREE(cmd_args->volfile); + + if (arg[0] != '/') { + pwd = getcwd(NULL, PATH_MAX); + if (!pwd) { + argp_failure(state, -1, errno, + "getcwd failed with error no %d", errno); + break; } - if (xlator_init (graph) != 0) - return -1; + char tmp_buf[1024]; + snprintf(tmp_buf, sizeof(tmp_buf), "%s/%s", pwd, arg); + cmd_args->volfile = gf_strdup(tmp_buf); + free(pwd); + } else { + cmd_args->volfile = gf_strdup(arg); + } - graph->ready = 1; - } - if (_xlator_graph_init (graph) == -1) - return -1; - - /* check server or fuse is given */ - if (graph->ctx->top == NULL) { - fprintf (stderr, "no valid translator loaded at the top, or" - "no mount point given. exiting\n"); - gf_log ("glusterfs", GF_LOG_ERROR, - "no valid translator loaded at the top or " - "no mount point given. exiting"); - return -1; - } + break; - return 0; -} + case ARGP_LOG_LEVEL_KEY: + if (strcasecmp(arg, ARGP_LOG_LEVEL_NONE_OPTION) == 0) { + cmd_args->log_level = GF_LOG_NONE; + break; + } + if (strcasecmp(arg, ARGP_LOG_LEVEL_CRITICAL_OPTION) == 0) { + cmd_args->log_level = GF_LOG_CRITICAL; + break; + } + if (strcasecmp(arg, ARGP_LOG_LEVEL_ERROR_OPTION) == 0) { + cmd_args->log_level = GF_LOG_ERROR; + break; + } + if (strcasecmp(arg, ARGP_LOG_LEVEL_WARNING_OPTION) == 0) { + cmd_args->log_level = GF_LOG_WARNING; + break; + } + if (strcasecmp(arg, ARGP_LOG_LEVEL_INFO_OPTION) == 0) { + cmd_args->log_level = GF_LOG_INFO; + break; + } + if (strcasecmp(arg, ARGP_LOG_LEVEL_DEBUG_OPTION) == 0) { + cmd_args->log_level = GF_LOG_DEBUG; + break; + } + if (strcasecmp(arg, ARGP_LOG_LEVEL_TRACE_OPTION) == 0) { + cmd_args->log_level = GF_LOG_TRACE; + break; + } -static int -gf_remember_xlator_option (struct list_head *options, char *arg) -{ - glusterfs_ctx_t *ctx = NULL; - cmd_args_t *cmd_args = NULL; - xlator_cmdline_option_t *option = NULL; - int ret = -1; - char *dot = NULL; - char *equals = NULL; + argp_failure(state, -1, 0, "unknown log level %s", arg); + break; - ctx = get_global_ctx_ptr (); - cmd_args = &ctx->cmd_args; + case ARGP_LOG_FILE_KEY: + cmd_args->log_file = gf_strdup(arg); + break; - option = CALLOC (1, sizeof (xlator_cmdline_option_t)); - INIT_LIST_HEAD (&option->cmd_args); + case ARGP_VOLFILE_SERVER_PORT_KEY: + n = 0; - dot = strchr (arg, '.'); - if (!dot) - goto out; + if (gf_string2uint_base10(arg, &n) == 0) { + cmd_args->volfile_server_port = n; + break; + } - option->volume = CALLOC ((dot - arg), sizeof (char)); - strncpy (option->volume, arg, (dot - arg)); + argp_failure(state, -1, 0, "unknown volfile server port %s", arg); + break; - equals = strchr (arg, '='); - if (!equals) - goto out; + case ARGP_VOLFILE_SERVER_TRANSPORT_KEY: + cmd_args->volfile_server_transport = gf_strdup(arg); + break; - option->key = CALLOC ((equals - dot), sizeof (char)); - strncpy (option->key, dot + 1, (equals - dot - 1)); + case ARGP_VOLFILE_ID_KEY: + cmd_args->volfile_id = gf_strdup(arg); + break; - if (!*(equals + 1)) - goto out; + case ARGP_THIN_CLIENT_KEY: + cmd_args->thin_client = _gf_true; + break; - option->value = strdup (equals + 1); + case ARGP_BRICK_MUX_KEY: + cmd_args->brick_mux = _gf_true; + break; - list_add (&option->cmd_args, &cmd_args->xlator_options); + case ARGP_PID_FILE_KEY: + cmd_args->pid_file = gf_strdup(arg); + break; - ret = 0; -out: - if (ret == -1) { - if (option) { - if (option->volume) - FREE (option->volume); - if (option->key) - FREE (option->key); - if (option->value) - FREE (option->value); - - FREE (option); - } - } + case ARGP_SOCK_FILE_KEY: + cmd_args->sock_file = gf_strdup(arg); + break; - return ret; -} + case ARGP_NO_DAEMON_KEY: + cmd_args->no_daemon_mode = ENABLE_NO_DAEMON_MODE; + break; + case ARGP_RUN_ID_KEY: + cmd_args->run_id = gf_strdup(arg); + break; -static void -gf_add_cmdline_options (xlator_t *graph, cmd_args_t *cmd_args) -{ - int ret = 0; - xlator_t *trav = graph; - xlator_cmdline_option_t *cmd_option = NULL; - - while (trav) { - list_for_each_entry (cmd_option, - &cmd_args->xlator_options, cmd_args) { - if (!fnmatch (cmd_option->volume, - trav->name, FNM_NOESCAPE)) { - ret = dict_set_str (trav->options, - cmd_option->key, - cmd_option->value); - if (ret == 0) { - gf_log ("glusterfs", GF_LOG_WARNING, - "adding option '%s' for " - "volume '%s' with value '%s'", - cmd_option->key, trav->name, - cmd_option->value); - } else { - gf_log ("glusterfs", GF_LOG_WARNING, - "adding option '%s' for " - "volume '%s' failed: %s", - cmd_option->key, trav->name, - strerror (-ret)); - } - } - } - trav = trav->next; - } -} + case ARGP_DEBUG_KEY: + cmd_args->debug_mode = ENABLE_DEBUG_MODE; + break; + case ARGP_VOLFILE_MAX_FETCH_ATTEMPTS: + cmd_args->max_connect_attempts = 1; + break; + case ARGP_DIRECT_IO_MODE_KEY: + if (!arg) + arg = "on"; -error_t -parse_opts (int key, char *arg, struct argp_state *state) -{ - cmd_args_t *cmd_args = NULL; - uint32_t n = 0; - double d = 0.0; + if (gf_string2boolean(arg, &b) == 0) { + cmd_args->fuse_direct_io_mode = b; - cmd_args = state->input; + break; + } - switch (key) { - case ARGP_VOLFILE_SERVER_KEY: - cmd_args->volfile_server = strdup (arg); + if (strcmp(arg, "auto") == 0) break; - case ARGP_VOLFILE_MAX_FETCH_ATTEMPTS: - n = 0; + argp_failure(state, -1, 0, "unknown direct I/O mode setting \"%s\"", + arg); + break; - if (gf_string2uint_base10 (arg, &n) == 0) { - cmd_args->max_connect_attempts = n; - break; - } + case ARGP_FUSE_NO_ROOT_SQUASH_KEY: + cmd_args->no_root_squash = _gf_true; + break; - argp_failure (state, -1, 0, - "Invalid limit on connect attempts %s", arg); - break; + case ARGP_ENTRY_TIMEOUT_KEY: + d = 0.0; - case ARGP_VOLUME_FILE_KEY: - cmd_args->volume_file = strdup (arg); + gf_string2double(arg, &d); + if (!(d < 0.0)) { + cmd_args->fuse_entry_timeout = d; break; + } + + argp_failure(state, -1, 0, "unknown entry timeout %s", arg); + break; + + case ARGP_NEGATIVE_TIMEOUT_KEY: + d = 0.0; - case ARGP_LOG_SERVER_KEY: - cmd_args->log_server = strdup (arg); + ret = gf_string2double(arg, &d); + if ((ret == 0) && !(d < 0.0)) { + cmd_args->fuse_negative_timeout = d; break; + } - case ARGP_LOG_LEVEL_KEY: - if (strcasecmp (arg, ARGP_LOG_LEVEL_NONE_OPTION) == 0) { - cmd_args->log_level = GF_LOG_NONE; - break; - } - if (strcasecmp (arg, ARGP_LOG_LEVEL_CRITICAL_OPTION) == 0) { - cmd_args->log_level = GF_LOG_CRITICAL; - break; - } - if (strcasecmp (arg, ARGP_LOG_LEVEL_ERROR_OPTION) == 0) { - cmd_args->log_level = GF_LOG_ERROR; - break; - } - if (strcasecmp (arg, ARGP_LOG_LEVEL_WARNING_OPTION) == 0) { - cmd_args->log_level = GF_LOG_WARNING; - break; - } - if (strcasecmp (arg, ARGP_LOG_LEVEL_NORMAL_OPTION) == 0) { - cmd_args->log_level = GF_LOG_NORMAL; - break; - } - if (strcasecmp (arg, ARGP_LOG_LEVEL_DEBUG_OPTION) == 0) { - cmd_args->log_level = GF_LOG_DEBUG; - break; - } - if (strcasecmp (arg, ARGP_LOG_LEVEL_TRACE_OPTION) == 0) { - cmd_args->log_level = GF_LOG_TRACE; - break; - } + argp_failure(state, -1, 0, "unknown negative timeout %s", arg); + break; - argp_failure (state, -1, 0, "unknown log level %s", arg); + case ARGP_ATTRIBUTE_TIMEOUT_KEY: + d = 0.0; + + gf_string2double(arg, &d); + if (!(d < 0.0)) { + cmd_args->fuse_attribute_timeout = d; break; + } - case ARGP_LOG_FILE_KEY: - cmd_args->log_file = strdup (arg); + argp_failure(state, -1, 0, "unknown attribute timeout %s", arg); + break; + + case ARGP_CLIENT_PID_KEY: + if (gf_string2int(arg, &cmd_args->client_pid) == 0) { + cmd_args->client_pid_set = 1; break; + } - case ARGP_VOLFILE_SERVER_PORT_KEY: - n = 0; + argp_failure(state, -1, 0, "unknown client pid %s", arg); + break; - if (gf_string2uint_base10 (arg, &n) == 0) { - cmd_args->volfile_server_port = n; - break; - } + case ARGP_USER_MAP_ROOT_KEY: + pw = getpwnam(arg); + if (pw) + cmd_args->uid_map_root = pw->pw_uid; + else + argp_failure(state, -1, 0, "user %s does not exist", arg); + break; - argp_failure (state, -1, 0, - "unknown volfile server port %s", arg); - break; + case ARGP_VOLFILE_CHECK_KEY: + cmd_args->volfile_check = 1; + break; - case ARGP_LOG_SERVER_PORT_KEY: - n = 0; + case ARGP_VOLUME_NAME_KEY: + cmd_args->volume_name = gf_strdup(arg); + break; + + case ARGP_XLATOR_OPTION_KEY: + if (gf_remember_xlator_option(arg)) + argp_failure(state, -1, 0, "invalid xlator option %s", arg); + + break; - if (gf_string2uint_base10 (arg, &n) == 0) { - cmd_args->log_server_port = n; - break; + case ARGP_KEY_NO_ARGS: + break; + + case ARGP_KEY_ARG: + if (state->arg_num >= 1) + argp_usage(state); + cmd_args->mount_point = gf_strdup(arg); + break; + + case ARGP_DUMP_FUSE_KEY: + cmd_args->dump_fuse = gf_strdup(arg); + break; + case ARGP_BRICK_NAME_KEY: + cmd_args->brick_name = gf_strdup(arg); + break; + case ARGP_BRICK_PORT_KEY: + n = 0; + + if (arg != NULL) { + port_str = strtok_r(arg, ",", &tmp_str); + if (gf_string2uint_base10(port_str, &n) == 0) { + cmd_args->brick_port = n; + port_str = strtok_r(NULL, ",", &tmp_str); + if (port_str) { + if (gf_string2uint_base10(port_str, &n) == 0) { + cmd_args->brick_port2 = n; + break; + } + argp_failure(state, -1, 0, + "wrong brick (listen) port %s", arg); + } + break; } + } - argp_failure (state, -1, 0, - "unknown log server port %s", arg); - break; + argp_failure(state, -1, 0, "unknown brick (listen) port %s", arg); + break; - case ARGP_VOLFILE_SERVER_TRANSPORT_KEY: - cmd_args->volfile_server_transport = strdup (arg); - break; + case ARGP_MEM_ACCOUNTING_KEY: + /* TODO: it should have got handled much earlier */ + // gf_mem_acct_enable_set (THIS->ctx); + break; + + case ARGP_FOPEN_KEEP_CACHE_KEY: + if (!arg) + arg = "on"; + + if (gf_string2boolean(arg, &b) == 0) { + cmd_args->fopen_keep_cache = b; - case ARGP_VOLFILE_ID_KEY: - cmd_args->volfile_id = strdup (arg); break; + } - case ARGP_PID_FILE_KEY: - cmd_args->pid_file = strdup (arg); + argp_failure(state, -1, 0, "unknown cache setting \"%s\"", arg); + + break; + + case ARGP_GLOBAL_TIMER_WHEEL: + cmd_args->global_timer_wheel = 1; + break; + + case ARGP_GID_TIMEOUT_KEY: + if (!gf_string2int(arg, &cmd_args->gid_timeout)) { + cmd_args->gid_timeout_set = _gf_true; break; + } - case ARGP_NO_DAEMON_KEY: - cmd_args->no_daemon_mode = ENABLE_NO_DAEMON_MODE; + argp_failure(state, -1, 0, "unknown group list timeout %s", arg); + break; + + case ARGP_RESOLVE_GIDS_KEY: + cmd_args->resolve_gids = 1; + break; + + case ARGP_FUSE_LRU_LIMIT_KEY: + if (!gf_string2int32(arg, &cmd_args->lru_limit)) break; - case ARGP_RUN_ID_KEY: - cmd_args->run_id = strdup (arg); + argp_failure(state, -1, 0, "unknown LRU limit option %s", arg); + break; + + case ARGP_FUSE_INVALIDATE_LIMIT_KEY: + if (!gf_string2int32(arg, &cmd_args->invalidate_limit)) break; - case ARGP_DEBUG_KEY: - cmd_args->debug_mode = ENABLE_DEBUG_MODE; + argp_failure(state, -1, 0, "unknown invalidate limit option %s", + arg); + break; + + case ARGP_FUSE_BACKGROUND_QLEN_KEY: + if (!gf_string2int(arg, &cmd_args->background_qlen)) break; - case ARGP_DISABLE_DIRECT_IO_MODE_KEY: - cmd_args->fuse_direct_io_mode_flag = _gf_false; + argp_failure(state, -1, 0, "unknown background qlen option %s", + arg); + break; + case ARGP_FUSE_CONGESTION_THRESHOLD_KEY: + if (!gf_string2int(arg, &cmd_args->congestion_threshold)) break; - case ARGP_ENTRY_TIMEOUT_KEY: - d = 0.0; + argp_failure(state, -1, 0, "unknown congestion threshold option %s", + arg); + break; - gf_string2double (arg, &d); - if (!(d < 0.0)) { - cmd_args->fuse_entry_timeout = d; - break; - } +#ifdef GF_LINUX_HOST_OS + case ARGP_OOM_SCORE_ADJ_KEY: + k = 0; - argp_failure (state, -1, 0, "unknown entry timeout %s", arg); + api = get_oom_api_info(); + if (!api) + goto no_oom_api; + + if (gf_string2int(arg, &k) == 0 && k >= api->oom_min && + k <= api->oom_max) { + cmd_args->oom_score_adj = gf_strdup(arg); break; + } - case ARGP_ATTRIBUTE_TIMEOUT_KEY: - d = 0.0; + argp_failure(state, -1, 0, "unknown oom_score_adj value %s", arg); + + no_oom_api: + break; +#endif + + case ARGP_FUSE_MOUNTOPTS_KEY: + cmd_args->fuse_mountopts = gf_strdup(arg); + break; + + case ARGP_FUSE_USE_READDIRP_KEY: + if (!arg) + arg = "yes"; - gf_string2double (arg, &d); - if (!(d < 0.0)) { - cmd_args->fuse_attribute_timeout = d; - break; + if (gf_string2boolean(arg, &b) == 0) { + if (b) { + cmd_args->use_readdirp = "yes"; + } else { + cmd_args->use_readdirp = "no"; } - argp_failure (state, -1, 0, - "unknown attribute timeout %s", arg); break; - - case ARGP_VOLFILE_CHECK_KEY: - cmd_args->volfile_check = 1; + } + + argp_failure(state, -1, 0, "unknown use-readdirp setting \"%s\"", + arg); + break; + + case ARGP_LOGGER: + if (strcasecmp(arg, GF_LOGGER_GLUSTER_LOG) == 0) + cmd_args->logger = gf_logger_glusterlog; + else if (strcasecmp(arg, GF_LOGGER_SYSLOG) == 0) + cmd_args->logger = gf_logger_syslog; + else + argp_failure(state, -1, 0, "unknown logger %s", arg); + + break; + + case ARGP_LOG_FORMAT: + if (strcasecmp(arg, GF_LOG_FORMAT_NO_MSG_ID) == 0) + cmd_args->log_format = gf_logformat_traditional; + else if (strcasecmp(arg, GF_LOG_FORMAT_WITH_MSG_ID) == 0) + cmd_args->log_format = gf_logformat_withmsgid; + else + argp_failure(state, -1, 0, "unknown log format %s", arg); + + break; + + case ARGP_LOG_BUF_SIZE: + if (gf_string2uint32(arg, &cmd_args->log_buf_size)) { + argp_failure(state, -1, 0, "unknown log buf size option %s", + arg); + } else if (cmd_args->log_buf_size > GF_LOG_LRU_BUFSIZE_MAX) { + argp_failure(state, -1, 0, + "Invalid log buf size %s. " + "Valid range: [" GF_LOG_LRU_BUFSIZE_MIN_STR + "," GF_LOG_LRU_BUFSIZE_MAX_STR "]", + arg); + } + + break; + + case ARGP_LOG_FLUSH_TIMEOUT: + if (gf_string2uint32(arg, &cmd_args->log_flush_timeout)) { + argp_failure(state, -1, 0, + "unknown log flush timeout option %s", arg); + } else if ((cmd_args->log_flush_timeout < + GF_LOG_FLUSH_TIMEOUT_MIN) || + (cmd_args->log_flush_timeout > + GF_LOG_FLUSH_TIMEOUT_MAX)) { + argp_failure(state, -1, 0, + "Invalid log flush timeout %s. " + "Valid range: [" GF_LOG_FLUSH_TIMEOUT_MIN_STR + "," GF_LOG_FLUSH_TIMEOUT_MAX_STR "]", + arg); + } + + break; + + case ARGP_SECURE_MGMT_KEY: + if (!arg) + arg = "yes"; + + if (gf_string2boolean(arg, &b) == 0) { + cmd_args->secure_mgmt = b ? 1 : 0; + break; + } + + argp_failure(state, -1, 0, "unknown secure-mgmt setting \"%s\"", + arg); + break; + + case ARGP_LOCALTIME_LOGGING_KEY: + cmd_args->localtime_logging = 1; + break; + case ARGP_PROCESS_NAME_KEY: + cmd_args->process_name = gf_strdup(arg); + break; + case ARGP_SUBDIR_MOUNT_KEY: + if (arg[0] != '/') { + argp_failure(state, -1, 0, "expect '/%s', provided just \"%s\"", + arg, arg); break; + } + cmd_args->subdir_mount = gf_strdup(arg); + break; + case ARGP_FUSE_EVENT_HISTORY_KEY: + if (!arg) + arg = "no"; + + if (gf_string2boolean(arg, &b) == 0) { + if (b) { + cmd_args->event_history = "yes"; + } else { + cmd_args->event_history = "no"; + } - case ARGP_VOLUME_NAME_KEY: - cmd_args->volume_name = strdup (arg); break; + } + + argp_failure(state, -1, 0, "unknown event-history setting \"%s\"", + arg); + break; + case ARGP_READER_THREAD_COUNT_KEY: + if (gf_string2uint32(arg, &cmd_args->reader_thread_count)) { + argp_failure(state, -1, 0, + "unknown reader thread count option %s", arg); + } else if ((cmd_args->reader_thread_count < 1) || + (cmd_args->reader_thread_count > 64)) { + argp_failure(state, -1, 0, + "Invalid reader thread count %s. " + "Valid range: [\"1, 64\"]", + arg); + } + + break; + + case ARGP_KERNEL_WRITEBACK_CACHE_KEY: + if (!arg) + arg = "yes"; + + if (gf_string2boolean(arg, &b) == 0) { + cmd_args->kernel_writeback_cache = b; - case ARGP_XLATOR_OPTION_KEY: - gf_remember_xlator_option (&cmd_args->xlator_options, arg); break; + } + + argp_failure(state, -1, 0, + "unknown kernel writeback cache setting \"%s\"", arg); + break; + case ARGP_ATTR_TIMES_GRANULARITY_KEY: + if (gf_string2uint32(arg, &cmd_args->attr_times_granularity)) { + argp_failure(state, -1, 0, + "unknown attribute times granularity option %s", + arg); + } else if (cmd_args->attr_times_granularity > 1000000000) { + argp_failure(state, -1, 0, + "Invalid attribute times granularity value %s. " + "Valid range: [\"0, 1000000000\"]", + arg); + } + + break; + + case ARGP_FUSE_FLUSH_HANDLE_INTERRUPT_KEY: + if (!arg) + arg = "yes"; + + if (gf_string2boolean(arg, &b) == 0) { + cmd_args->fuse_flush_handle_interrupt = b; -#ifdef GF_DARWIN_HOST_OS - case ARGP_NON_LOCAL_KEY: - cmd_args->non_local = _gf_true; break; + } -#endif /* DARWIN */ + argp_failure(state, -1, 0, + "unknown fuse flush handle interrupt setting \"%s\"", + arg); + break; - case ARGP_KEY_NO_ARGS: + case ARGP_FUSE_AUTO_INVAL_KEY: + if (!arg) + arg = "yes"; + + if (gf_string2boolean(arg, &b) == 0) { + cmd_args->fuse_auto_inval = b; break; + } - case ARGP_KEY_ARG: - if (state->arg_num >= 1) - argp_usage (state); + break; + + case ARGP_GLOBAL_THREADING_KEY: + if (!arg || (*arg == 0)) { + arg = "yes"; + } - cmd_args->mount_point = strdup (arg); + if (gf_string2boolean(arg, &b) == 0) { + cmd_args->global_threading = b; break; + } + + argp_failure(state, -1, 0, + "Invalid value for global threading \"%s\"", arg); + break; + + case ARGP_FUSE_DEV_EPERM_RATELIMIT_NS_KEY: + if (gf_string2uint32(arg, &cmd_args->fuse_dev_eperm_ratelimit_ns)) { + argp_failure(state, -1, 0, + "Non-numerical value for " + "'fuse-dev-eperm-ratelimit-ns' option %s", + arg); + } else if (cmd_args->fuse_dev_eperm_ratelimit_ns > 1000000000) { + argp_failure(state, -1, 0, + "Invalid 'fuse-dev-eperm-ratelimit-ns' value %s. " + "Valid range: [\"0, 1000000000\"]", + arg); + } + + break; + } + return 0; +} + +gf_boolean_t +should_call_fini(glusterfs_ctx_t *ctx, xlator_t *trav) +{ + /* There's nothing to call, so the other checks don't matter. */ + if (!trav->fini) { + return _gf_false; + } + + /* This preserves previous behavior in glusterd. */ + if (ctx->process_mode == GF_GLUSTERD_PROCESS) { + return _gf_true; + } + + return _gf_false; +} + +void +cleanup_and_exit(int signum) +{ + glusterfs_ctx_t *ctx = NULL; + xlator_t *trav = NULL; + xlator_t *top; + xlator_t *victim; + xlator_list_t **trav_p; + + ctx = glusterfsd_ctx; + + if (!ctx) + return; + + /* To take or not to take the mutex here and in the other + * signal handler - gf_print_trace() - is the big question here. + * + * Taking mutex in signal handler would mean that if the process + * receives a fatal signal while another thread is holding + * ctx->log.log_buf_lock to perhaps log a message in _gf_msg_internal(), + * the offending thread hangs on the mutex lock forever without letting + * the process exit. + * + * On the other hand. not taking the mutex in signal handler would cause + * it to modify the lru_list of buffered log messages in a racy manner, + * corrupt the list and potentially give rise to an unending + * cascade of SIGSEGVs and other re-entrancy issues. + */ + + gf_log_disable_suppression_before_exit(ctx); + + gf_msg_callingfn("", GF_LOG_WARNING, 0, glusterfsd_msg_32, + "received signum (%d), shutting down", signum); + + if (ctx->cleanup_started) + return; + pthread_mutex_lock(&ctx->cleanup_lock); + { + ctx->cleanup_started = 1; + + /* signout should be sent to all the bricks in case brick mux is enabled + * and multiple brick instances are attached to this process + */ + if (ctx->active) { + top = ctx->active->first; + for (trav_p = &top->children; *trav_p; trav_p = &(*trav_p)->next) { + victim = (*trav_p)->xlator; + rpc_clnt_mgmt_pmap_signout(ctx, victim->name); + } + } else { + rpc_clnt_mgmt_pmap_signout(ctx, NULL); } - return 0; + /* below part is a racy code where the rpcsvc object is freed. + * But in another thread (epoll thread), upon poll error in the + * socket the transports are cleaned up where again rpcsvc object + * is accessed (which is already freed by the below function). + * Since the process is about to be killed don't execute the function + * below. + */ + /* if (ctx->listener) { */ + /* (void) glusterfs_listener_stop (ctx); */ + /* } */ + + /* Call fini() of FUSE xlator first: + * so there are no more requests coming and + * 'umount' of mount point is done properly */ + trav = ctx->master; + if (trav && trav->fini) { + THIS = trav; + trav->fini(trav); + } + + glusterfs_pidfile_cleanup(ctx); + +#if 0 + /* TODO: Properly do cleanup_and_exit(), with synchronization */ + if (ctx->mgmt) { + /* cleanup the saved-frames before last unref */ + rpc_clnt_connection_cleanup (&ctx->mgmt->conn); + rpc_clnt_unref (ctx->mgmt); + } +#endif + + trav = NULL; + + /* previously we were releasing the cleanup mutex lock before the + process exit. As we are releasing the cleanup mutex lock, before + the process can exit some other thread which is blocked on + cleanup mutex lock is acquiring the cleanup mutex lock and + trying to acquire some resources which are already freed as a + part of cleanup. To avoid this, we are exiting the process without + releasing the cleanup mutex lock. This will not cause any lock + related issues as the process which acquired the lock is going down + */ + /* NOTE: Only the least significant 8 bits i.e (signum & 255) + will be available to parent process on calling exit() */ + exit(abs(signum)); + } } +static void +reincarnate(int signum) +{ + int ret = 0; + glusterfs_ctx_t *ctx = NULL; + cmd_args_t *cmd_args = NULL; + + ctx = glusterfsd_ctx; + cmd_args = &ctx->cmd_args; + + gf_msg_trace("gluster", 0, "received reincarnate request (sig:HUP)"); + + if (cmd_args->volfile_server) { + gf_smsg("glusterfsd", GF_LOG_INFO, 0, glusterfsd_msg_11, NULL); + ret = glusterfs_volfile_fetch(ctx); + } + + /* Also, SIGHUP should do logrotate */ + gf_log_logrotate(1); + + if (ret < 0) + gf_smsg("glusterfsd", GF_LOG_ERROR, 0, glusterfsd_msg_12, NULL); + + return; +} void -cleanup_and_exit (int signum) +emancipate(glusterfs_ctx_t *ctx, int ret) +{ + /* break free from the parent */ + if (ctx->daemon_pipe[1] != -1) { + sys_write(ctx->daemon_pipe[1], (void *)&ret, sizeof(ret)); + sys_close(ctx->daemon_pipe[1]); + ctx->daemon_pipe[1] = -1; + } +} + +static uint8_t +gf_get_process_mode(char *exec_name) { - glusterfs_ctx_t *ctx = NULL; - xlator_t *trav = NULL; + char *dup_execname = NULL, *base = NULL; + uint8_t ret = 0; - ctx = get_global_ctx_ptr (); + dup_execname = gf_strdup(exec_name); + base = basename(dup_execname); - gf_log ("glusterfs", GF_LOG_WARNING, "shutting down"); + if (!strncmp(base, "glusterfsd", 10)) { + ret = GF_SERVER_PROCESS; + } else if (!strncmp(base, "glusterd", 8)) { + ret = GF_GLUSTERD_PROCESS; + } else { + ret = GF_CLIENT_PROCESS; + } - if (ctx->pidfp) { - lockf (fileno (ctx->pidfp), F_ULOCK, 0); - fclose (ctx->pidfp); - ctx->pidfp = NULL; + GF_FREE(dup_execname); + + return ret; +} + +static int +glusterfs_ctx_defaults_init(glusterfs_ctx_t *ctx) +{ + cmd_args_t *cmd_args = NULL; + struct rlimit lim = { + 0, + }; + int ret = -1; + + if (!ctx) + return ret; + + ret = xlator_mem_acct_init(THIS, gfd_mt_end); + if (ret != 0) { + gf_smsg(THIS->name, GF_LOG_CRITICAL, 0, glusterfsd_msg_34, NULL); + return ret; + } + + /* reset ret to -1 so that we don't need to explicitly + * set it in all error paths before "goto err" + */ + ret = -1; + + /* monitoring should be enabled by default */ + ctx->measure_latency = true; + + ctx->process_uuid = generate_glusterfs_ctx_id(); + if (!ctx->process_uuid) { + gf_smsg("", GF_LOG_CRITICAL, 0, glusterfsd_msg_13, NULL); + goto out; + } + + ctx->page_size = 128 * GF_UNIT_KB; + + ctx->iobuf_pool = iobuf_pool_new(); + if (!ctx->iobuf_pool) { + gf_smsg("", GF_LOG_CRITICAL, 0, glusterfsd_msg_14, "iobuf", NULL); + goto out; + } + + ctx->event_pool = gf_event_pool_new(DEFAULT_EVENT_POOL_SIZE, + STARTING_EVENT_THREADS); + if (!ctx->event_pool) { + gf_smsg("", GF_LOG_CRITICAL, 0, glusterfsd_msg_14, "event", NULL); + goto out; + } + + ctx->pool = GF_CALLOC(1, sizeof(call_pool_t), gfd_mt_call_pool_t); + if (!ctx->pool) { + gf_smsg("", GF_LOG_CRITICAL, 0, glusterfsd_msg_14, "call", NULL); + goto out; + } + + INIT_LIST_HEAD(&ctx->pool->all_frames); + LOCK_INIT(&ctx->pool->lock); + + /* frame_mem_pool size 112 * 4k */ + ctx->pool->frame_mem_pool = mem_pool_new(call_frame_t, 4096); + if (!ctx->pool->frame_mem_pool) { + gf_smsg("", GF_LOG_CRITICAL, 0, glusterfsd_msg_14, "frame", NULL); + goto out; + } + /* stack_mem_pool size 256 * 1024 */ + ctx->pool->stack_mem_pool = mem_pool_new(call_stack_t, 1024); + if (!ctx->pool->stack_mem_pool) { + gf_smsg("", GF_LOG_CRITICAL, 0, glusterfsd_msg_14, "stack", NULL); + goto out; + } + + ctx->stub_mem_pool = mem_pool_new(call_stub_t, 1024); + if (!ctx->stub_mem_pool) { + gf_smsg("", GF_LOG_CRITICAL, 0, glusterfsd_msg_14, "stub", NULL); + goto out; + } + + ctx->dict_pool = mem_pool_new(dict_t, GF_MEMPOOL_COUNT_OF_DICT_T); + if (!ctx->dict_pool) + goto out; + + ctx->dict_pair_pool = mem_pool_new(data_pair_t, + GF_MEMPOOL_COUNT_OF_DATA_PAIR_T); + if (!ctx->dict_pair_pool) + goto out; + + ctx->dict_data_pool = mem_pool_new(data_t, GF_MEMPOOL_COUNT_OF_DATA_T); + if (!ctx->dict_data_pool) + goto out; + + ctx->logbuf_pool = mem_pool_new(log_buf_t, GF_MEMPOOL_COUNT_OF_LRU_BUF_T); + if (!ctx->logbuf_pool) + goto out; + + pthread_mutex_init(&ctx->notify_lock, NULL); + pthread_mutex_init(&ctx->cleanup_lock, NULL); + pthread_cond_init(&ctx->notify_cond, NULL); + + ctx->clienttable = gf_clienttable_alloc(); + if (!ctx->clienttable) + goto out; + + cmd_args = &ctx->cmd_args; + + /* parsing command line arguments */ + cmd_args->log_level = DEFAULT_LOG_LEVEL; + cmd_args->logger = gf_logger_glusterlog; + cmd_args->log_format = gf_logformat_withmsgid; + cmd_args->log_buf_size = GF_LOG_LRU_BUFSIZE_DEFAULT; + cmd_args->log_flush_timeout = GF_LOG_FLUSH_TIMEOUT_DEFAULT; + + cmd_args->mac_compat = GF_OPTION_DISABLE; +#ifdef GF_DARWIN_HOST_OS + /* On Darwin machines, O_APPEND is not handled, + * which may corrupt the data + */ + cmd_args->fuse_direct_io_mode = GF_OPTION_DISABLE; +#else + cmd_args->fuse_direct_io_mode = GF_OPTION_DEFERRED; +#endif + cmd_args->fuse_attribute_timeout = -1; + cmd_args->fuse_entry_timeout = -1; + cmd_args->fopen_keep_cache = GF_OPTION_DEFERRED; + cmd_args->kernel_writeback_cache = GF_OPTION_DEFERRED; + cmd_args->fuse_flush_handle_interrupt = GF_OPTION_DEFERRED; + + if (ctx->mem_acct_enable) + cmd_args->mem_acct = 1; + + INIT_LIST_HEAD(&cmd_args->xlator_options); + INIT_LIST_HEAD(&cmd_args->volfile_servers); + ctx->pxl_count = 0; + pthread_mutex_init(&ctx->fd_lock, NULL); + pthread_cond_init(&ctx->fd_cond, NULL); + INIT_LIST_HEAD(&ctx->janitor_fds); + + lim.rlim_cur = RLIM_INFINITY; + lim.rlim_max = RLIM_INFINITY; + setrlimit(RLIMIT_CORE, &lim); + + ret = 0; +out: + + if (ret) { + if (ctx->pool) { + mem_pool_destroy(ctx->pool->frame_mem_pool); + mem_pool_destroy(ctx->pool->stack_mem_pool); } + GF_FREE(ctx->pool); + mem_pool_destroy(ctx->stub_mem_pool); + mem_pool_destroy(ctx->dict_pool); + mem_pool_destroy(ctx->dict_data_pool); + mem_pool_destroy(ctx->dict_pair_pool); + mem_pool_destroy(ctx->logbuf_pool); + } + + return ret; +} - if (ctx->specfp) { - fclose (ctx->specfp); - ctx->specfp = NULL; +static int +logging_init(glusterfs_ctx_t *ctx, const char *progpath) +{ + cmd_args_t *cmd_args = NULL; + int ret = 0; + + cmd_args = &ctx->cmd_args; + + if (cmd_args->log_file == NULL) { + ret = gf_set_log_file_path(cmd_args, ctx); + if (ret == -1) { + fprintf(stderr, + "ERROR: failed to set the log file " + "path\n"); + return -1; } + } - if (ctx->cmd_args.pid_file) { - unlink (ctx->cmd_args.pid_file); - ctx->cmd_args.pid_file = NULL; + if (cmd_args->log_ident == NULL) { + ret = gf_set_log_ident(cmd_args); + if (ret == -1) { + fprintf(stderr, + "ERROR: failed to set the log " + "identity\n"); + return -1; } + } - if (ctx->graph) { - trav = ctx->graph; - ctx->graph = NULL; - while (trav) { - trav->fini (trav); - trav = trav->next; - } - exit (0); - } else { - gf_log ("glusterfs", GF_LOG_DEBUG, "no graph present"); + /* finish log set parameters before init */ + gf_log_set_loglevel(ctx, cmd_args->log_level); + + gf_log_set_localtime(cmd_args->localtime_logging); + + gf_log_set_logger(cmd_args->logger); + + gf_log_set_logformat(cmd_args->log_format); + + gf_log_set_log_buf_size(cmd_args->log_buf_size); + + gf_log_set_log_flush_timeout(cmd_args->log_flush_timeout); + + if (gf_log_init(ctx, cmd_args->log_file, cmd_args->log_ident) == -1) { + fprintf(stderr, "ERROR: failed to open logfile %s\n", + cmd_args->log_file); + return -1; + } + + /* At this point, all the logging related parameters are initialised + * except for the log flush timer, which will be injected post fork(2) + * in daemonize() . During this time, any log message that is logged + * will be kept buffered. And if the list that holds these messages + * overflows, then the same lru policy is used to drive out the least + * recently used message and displace it with the message just logged. + */ + + return 0; +} + +void +gf_check_and_set_mem_acct(int argc, char *argv[]) +{ + int i = 0; + + for (i = 0; i < argc; i++) { + if (strcmp(argv[i], "--no-mem-accounting") == 0) { + gf_global_mem_acct_enable_set(0); + break; } + } } +/** + * print_exports_file - Print out & verify the syntax + * of the exports file specified + * in the parameter. + * + * @exports_file : Path of the exports file to print & verify + * + * @return : success: 0 when successfully parsed + * failure: 1 when failed to parse one or more lines + * -1 when other critical errors (dlopen () etc) + * Critical errors are treated differently than parse errors. Critical + * errors terminate the program immediately here and print out different + * error messages. Hence there are different return values. + */ +int +print_exports_file(const char *exports_file) +{ + void *libhandle = NULL; + char *libpathfull = NULL; + struct exports_file *file = NULL; + int ret = 0; + + int (*exp_file_parse)(const char *filepath, struct exports_file **expfile, + struct mount3_state *ms) = NULL; + void (*exp_file_print)(const struct exports_file *file) = NULL; + void (*exp_file_deinit)(struct exports_file * ptr) = NULL; + + /* XLATORDIR passed through a -D flag to GCC */ + ret = gf_asprintf(&libpathfull, "%s/%s/server.so", XLATORDIR, "nfs"); + if (ret < 0) { + gf_log("glusterfs", GF_LOG_CRITICAL, "asprintf () failed."); + ret = -1; + goto out; + } + + /* Load up the library */ + libhandle = dlopen(libpathfull, RTLD_NOW); + if (!libhandle) { + gf_log("glusterfs", GF_LOG_CRITICAL, + "Error loading NFS server library : " + "%s\n", + dlerror()); + ret = -1; + goto out; + } + + /* Load up the function */ + exp_file_parse = dlsym(libhandle, "exp_file_parse"); + if (!exp_file_parse) { + gf_log("glusterfs", GF_LOG_CRITICAL, + "Error finding function exp_file_parse " + "in symbol."); + ret = -1; + goto out; + } + + /* Parse the file */ + ret = exp_file_parse(exports_file, &file, NULL); + if (ret < 0) { + ret = 1; /* This means we failed to parse */ + goto out; + } + + /* Load up the function */ + exp_file_print = dlsym(libhandle, "exp_file_print"); + if (!exp_file_print) { + gf_log("glusterfs", GF_LOG_CRITICAL, + "Error finding function exp_file_print in symbol."); + ret = -1; + goto out; + } + + /* Print it out to screen */ + exp_file_print(file); + + /* Load up the function */ + exp_file_deinit = dlsym(libhandle, "exp_file_deinit"); + if (!exp_file_deinit) { + gf_log("glusterfs", GF_LOG_CRITICAL, + "Error finding function exp_file_deinit in lib."); + ret = -1; + goto out; + } + + /* Free the file */ + exp_file_deinit(file); -static char * -zr_build_process_uuid () +out: + if (libhandle) + dlclose(libhandle); + GF_FREE(libpathfull); + return ret; +} + +/** + * print_netgroups_file - Print out & verify the syntax + * of the netgroups file specified + * in the parameter. + * + * @netgroups_file : Path of the netgroups file to print & verify + * @return : success: 0 when successfully parsed + * failure: 1 when failed to parse one more more lines + * -1 when other critical errors (dlopen () etc) + * + * We have multiple returns here because for critical errors, we abort + * operations immediately and exit. For example, if we can't load the + * NFS server library, then we have a real bad problem so we don't continue. + * Or if we cannot allocate anymore memory, we don't want to continue. Also, + * we want to print out a different error messages based on the ret value. + */ +int +print_netgroups_file(const char *netgroups_file) +{ + void *libhandle = NULL; + char *libpathfull = NULL; + struct netgroups_file *file = NULL; + int ret = 0; + + struct netgroups_file *(*ng_file_parse)(const char *file_path) = NULL; + void (*ng_file_print)(const struct netgroups_file *file) = NULL; + void (*ng_file_deinit)(struct netgroups_file * ptr) = NULL; + + /* XLATORDIR passed through a -D flag to GCC */ + ret = gf_asprintf(&libpathfull, "%s/%s/server.so", XLATORDIR, "nfs"); + if (ret < 0) { + gf_log("glusterfs", GF_LOG_CRITICAL, "asprintf () failed."); + ret = -1; + goto out; + } + /* Load up the library */ + libhandle = dlopen(libpathfull, RTLD_NOW); + if (!libhandle) { + gf_log("glusterfs", GF_LOG_CRITICAL, + "Error loading NFS server library : %s\n", dlerror()); + ret = -1; + goto out; + } + + /* Load up the function */ + ng_file_parse = dlsym(libhandle, "ng_file_parse"); + if (!ng_file_parse) { + gf_log("glusterfs", GF_LOG_CRITICAL, + "Error finding function ng_file_parse in symbol."); + ret = -1; + goto out; + } + + /* Parse the file */ + file = ng_file_parse(netgroups_file); + if (!file) { + ret = 1; /* This means we failed to parse */ + goto out; + } + + /* Load up the function */ + ng_file_print = dlsym(libhandle, "ng_file_print"); + if (!ng_file_print) { + gf_log("glusterfs", GF_LOG_CRITICAL, + "Error finding function ng_file_print in symbol."); + ret = -1; + goto out; + } + + /* Print it out to screen */ + ng_file_print(file); + + /* Load up the function */ + ng_file_deinit = dlsym(libhandle, "ng_file_deinit"); + if (!ng_file_deinit) { + gf_log("glusterfs", GF_LOG_CRITICAL, + "Error finding function ng_file_deinit in lib."); + ret = -1; + goto out; + } + + /* Free the file */ + ng_file_deinit(file); + +out: + if (libhandle) + dlclose(libhandle); + GF_FREE(libpathfull); + return ret; +} + +int +parse_cmdline(int argc, char *argv[], glusterfs_ctx_t *ctx) { - char tmp_str[1024] = {0,}; - char hostname[256] = {0,}; - struct timeval tv = {0,}; - struct tm now = {0, }; - char now_str[32]; - - if (-1 == gettimeofday(&tv, NULL)) { - gf_log ("", GF_LOG_ERROR, - "gettimeofday: failed %s", - strerror (errno)); + int process_mode = 0; + int ret = 0; + struct stat stbuf = { + 0, + }; + char timestr[GF_TIMESTR_SIZE]; + char tmp_logfile[1024] = {0}; + char *tmp_logfile_dyn = NULL; + char *tmp_logfilebase = NULL; + cmd_args_t *cmd_args = NULL; + int len = 0; + char *thin_volfileid = NULL; + + cmd_args = &ctx->cmd_args; + + /* Do this before argp_parse so it can be overridden. */ + if (sys_access(SECURE_ACCESS_FILE, F_OK) == 0) { + cmd_args->secure_mgmt = 1; + ctx->ssl_cert_depth = glusterfs_read_secure_access_file(); + } + + /* Need to set lru_limit to below 0 to indicate there was nothing + specified. This is needed as 0 is a valid option, and may not be + default value. */ + cmd_args->lru_limit = -1; + + argp_parse(&argp, argc, argv, ARGP_IN_ORDER, NULL, cmd_args); + + if (cmd_args->print_xlatordir || cmd_args->print_statedumpdir || + cmd_args->print_logdir || cmd_args->print_libexecdir) { + /* Just print, nothing else to do */ + goto out; + } + + if (cmd_args->print_netgroups) { + /* When this option is set we don't want to do anything else + * except for printing & verifying the netgroups file. + */ + ret = 0; + goto out; + } + + if (cmd_args->print_exports) { + /* When this option is set we don't want to do anything else + * except for printing & verifying the exports file. + */ + ret = 0; + goto out; + } + + ctx->secure_mgmt = cmd_args->secure_mgmt; + + if (ENABLE_DEBUG_MODE == cmd_args->debug_mode) { + cmd_args->log_level = GF_LOG_DEBUG; + cmd_args->log_file = gf_strdup("/dev/stderr"); + cmd_args->no_daemon_mode = ENABLE_NO_DAEMON_MODE; + } + + process_mode = gf_get_process_mode(argv[0]); + ctx->process_mode = process_mode; + + if (cmd_args->process_name) { + ctx->cmd_args.process_name = cmd_args->process_name; + } + /* Make sure after the parsing cli, if '--volfile-server' option is + given, then '--volfile-id' is mandatory */ + if (cmd_args->volfile_server && !cmd_args->volfile_id) { + gf_smsg("glusterfs", GF_LOG_CRITICAL, 0, glusterfsd_msg_15, NULL); + ret = -1; + goto out; + } + + if ((cmd_args->volfile_server == NULL) && (cmd_args->volfile == NULL)) { + if (process_mode == GF_SERVER_PROCESS) + cmd_args->volfile = gf_strdup(DEFAULT_SERVER_VOLFILE); + else if (process_mode == GF_GLUSTERD_PROCESS) + cmd_args->volfile = gf_strdup(DEFAULT_GLUSTERD_VOLFILE); + else + cmd_args->volfile = gf_strdup(DEFAULT_CLIENT_VOLFILE); + + /* Check if the volfile exists, if not give usage output + and exit */ + ret = sys_stat(cmd_args->volfile, &stbuf); + if (ret) { + gf_smsg("glusterfs", GF_LOG_CRITICAL, errno, glusterfsd_msg_16, + NULL); + /* argp_usage (argp.) */ + fprintf(stderr, "USAGE: %s [options] [mountpoint]\n", argv[0]); + goto out; } + } + + if (cmd_args->thin_client) { + len = strlen(cmd_args->volfile_id) + SLEN("gfproxy-client/"); + thin_volfileid = GF_MALLOC(len + 1, gf_common_mt_char); + snprintf(thin_volfileid, len + 1, "gfproxy-client/%s", + cmd_args->volfile_id); + GF_FREE(cmd_args->volfile_id); + cmd_args->volfile_id = thin_volfileid; + } + + if (cmd_args->run_id) { + ret = sys_lstat(cmd_args->log_file, &stbuf); + /* If its /dev/null, or /dev/stdout, /dev/stderr, + * let it use the same, no need to alter + */ + if (((ret == 0) && + (S_ISREG(stbuf.st_mode) || S_ISLNK(stbuf.st_mode))) || + (ret == -1)) { + /* Have separate logfile per run. */ + gf_time_fmt(timestr, sizeof timestr, gf_time(), gf_timefmt_FT); + sprintf(tmp_logfile, "%s.%s.%d", cmd_args->log_file, timestr, + getpid()); + + /* Create symlink to actual log file */ + sys_unlink(cmd_args->log_file); + + tmp_logfile_dyn = gf_strdup(tmp_logfile); + tmp_logfilebase = basename(tmp_logfile_dyn); + ret = sys_symlink(tmp_logfilebase, cmd_args->log_file); + if (ret == -1) { + fprintf(stderr, "ERROR: symlink of logfile failed\n"); + goto out; + } - if (-1 == gethostname (hostname, 256)) { - gf_log ("", GF_LOG_ERROR, - "gethostname: failed %s", - strerror (errno)); + GF_FREE(cmd_args->log_file); + cmd_args->log_file = gf_strdup(tmp_logfile); + + GF_FREE(tmp_logfile_dyn); } + } + + /* + This option was made obsolete but parsing it for backward + compatibility with third party applications + */ + if (cmd_args->max_connect_attempts) { + gf_smsg("glusterfs", GF_LOG_WARNING, 0, glusterfsd_msg_33, NULL); + } - localtime_r (&tv.tv_sec, &now); - strftime (now_str, 32, "%Y/%m/%d-%H:%M:%S", &now); - snprintf (tmp_str, 1024, "%s-%d-%s:%ld", - hostname, getpid(), now_str, tv.tv_usec); +#ifdef GF_DARWIN_HOST_OS + if (cmd_args->mount_point) + cmd_args->mac_compat = GF_OPTION_DEFERRED; +#endif - return strdup (tmp_str); + ret = 0; +out: + return ret; } -#define GF_SERVER_PROCESS 0 -#define GF_CLIENT_PROCESS 1 +int +glusterfs_pidfile_setup(glusterfs_ctx_t *ctx) +{ + cmd_args_t *cmd_args = NULL; + int ret = -1; + FILE *pidfp = NULL; + + cmd_args = &ctx->cmd_args; -static uint8_t -gf_get_process_mode (char *exec_name) + if (!cmd_args->pid_file) + return 0; + + pidfp = fopen(cmd_args->pid_file, "a+"); + if (!pidfp) { + gf_smsg("glusterfsd", GF_LOG_ERROR, errno, glusterfsd_msg_17, + "pidfile=%s", cmd_args->pid_file, NULL); + goto out; + } + + ctx->pidfp = pidfp; + + ret = 0; +out: + + return ret; +} + +int +glusterfs_pidfile_cleanup(glusterfs_ctx_t *ctx) { - char *dup_execname = NULL, *base = NULL; - uint8_t ret = 0; + cmd_args_t *cmd_args = NULL; - dup_execname = strdup (exec_name); - base = basename (dup_execname); + cmd_args = &ctx->cmd_args; - if (!strncmp (base, "glusterfsd", 10)) { - ret = GF_SERVER_PROCESS; - } else { - ret = GF_CLIENT_PROCESS; - } + if (!ctx->pidfp) + return 0; - free (dup_execname); + gf_msg_trace("glusterfsd", 0, "pidfile %s cleanup", cmd_args->pid_file); - return ret; + if (ctx->cmd_args.pid_file) { + GF_FREE(ctx->cmd_args.pid_file); + ctx->cmd_args.pid_file = NULL; + } + + lockf(fileno(ctx->pidfp), F_ULOCK, 0); + fclose(ctx->pidfp); + ctx->pidfp = NULL; + + return 0; } int -set_log_file_path (cmd_args_t *cmd_args) +glusterfs_pidfile_update(glusterfs_ctx_t *ctx, pid_t pid) { - int i = 0; - int j = 0; - int ret = 0; - int port = 0; - char *tmp_ptr = NULL; - char tmp_str[1024] = {0,}; - - if (cmd_args->mount_point) { - j = 0; - i = 0; - if (cmd_args->mount_point[0] == '/') - i = 1; - for (; i < strlen (cmd_args->mount_point); i++,j++) { - tmp_str[j] = cmd_args->mount_point[i]; - if (cmd_args->mount_point[i] == '/') - tmp_str[j] = '-'; - } - ret = asprintf (&cmd_args->log_file, - DEFAULT_LOG_FILE_DIRECTORY "/%s.log", - tmp_str); - if (-1 == ret) { - gf_log ("glusterfsd", GF_LOG_ERROR, - "asprintf failed while setting up log-file"); - } - goto done; - } + cmd_args_t *cmd_args = NULL; + int ret = 0; + FILE *pidfp = NULL; - if (cmd_args->volume_file) { - j = 0; - i = 0; - if (cmd_args->volume_file[0] == '/') - i = 1; - for (; i < strlen (cmd_args->volume_file); i++,j++) { - tmp_str[j] = cmd_args->volume_file[i]; - if (cmd_args->volume_file[i] == '/') - tmp_str[j] = '-'; - } - ret = asprintf (&cmd_args->log_file, - DEFAULT_LOG_FILE_DIRECTORY "/%s.log", - tmp_str); - if (-1 == ret) { - gf_log ("glusterfsd", GF_LOG_ERROR, - "asprintf failed while setting up log-file"); - } - goto done; - } + cmd_args = &ctx->cmd_args; - if (cmd_args->volfile_server) { - port = 1; - tmp_ptr = "default"; - - if (cmd_args->volfile_server_port) - port = cmd_args->volfile_server_port; - if (cmd_args->volfile_id) - tmp_ptr = cmd_args->volfile_id; - - ret = asprintf (&cmd_args->log_file, - DEFAULT_LOG_FILE_DIRECTORY "/%s-%s-%d.log", - cmd_args->volfile_server, tmp_ptr, port); - if (-1 == ret) { - gf_log ("glusterfsd", GF_LOG_ERROR, - "asprintf failed while setting up log-file"); - } - } -done: + pidfp = ctx->pidfp; + if (!pidfp) + return 0; + + ret = lockf(fileno(pidfp), F_TLOCK, 0); + if (ret) { + gf_smsg("glusterfsd", GF_LOG_ERROR, errno, glusterfsd_msg_18, + "pidfile=%s", cmd_args->pid_file, NULL); + return ret; + } + + ret = sys_ftruncate(fileno(pidfp), 0); + if (ret) { + gf_smsg("glusterfsd", GF_LOG_ERROR, errno, glusterfsd_msg_20, + "pidfile=%s", cmd_args->pid_file, NULL); + return ret; + } + + ret = fprintf(pidfp, "%d\n", pid); + if (ret <= 0) { + gf_smsg("glusterfsd", GF_LOG_ERROR, errno, glusterfsd_msg_21, + "pidfile=%s", cmd_args->pid_file, NULL); + return ret; + } + + ret = fflush(pidfp); + if (ret) { + gf_smsg("glusterfsd", GF_LOG_ERROR, errno, glusterfsd_msg_21, + "pidfile=%s", cmd_args->pid_file, NULL); return ret; + } + + gf_msg_debug("glusterfsd", 0, "pidfile %s updated with pid %d", + cmd_args->pid_file, pid); + + return 0; } -int -main (int argc, char *argv[]) +void * +glusterfs_sigwaiter(void *arg) { - glusterfs_ctx_t *ctx = NULL; - cmd_args_t *cmd_args = NULL; - call_pool_t *pool = NULL; - struct stat stbuf; - char tmp_logfile[1024] = { 0 }; - char *tmp_logfile_dyn = NULL; - char *tmp_logfilebase = NULL; - char timestr[256] = { 0 }; - time_t utime; - struct tm *tm = NULL; - int ret = 0; - struct rlimit lim; - FILE *specfp = NULL; - xlator_t *graph = NULL; - xlator_t *trav = NULL; - int fuse_volume_found = 0; - int xl_count = 0; - uint8_t process_mode = 0; - int pipe_fd[2]; - int gf_success = 0; - int gf_failure = -1; - - ret = glusterfs_globals_init (); + sigset_t set; + int ret = 0; + int sig = 0; + char *file = NULL; + + sigemptyset(&set); + sigaddset(&set, SIGINT); /* cleanup_and_exit */ + sigaddset(&set, SIGTERM); /* cleanup_and_exit */ + sigaddset(&set, SIGHUP); /* reincarnate */ + sigaddset(&set, SIGUSR1); /* gf_proc_dump_info */ + sigaddset(&set, SIGUSR2); + + for (;;) { + ret = sigwait(&set, &sig); if (ret) - return ret; + continue; - utime = time (NULL); - ctx = glusterfs_ctx_get (); - process_mode = gf_get_process_mode (argv[0]); - set_global_ctx_ptr (ctx); - ctx->process_uuid = zr_build_process_uuid (); - cmd_args = &ctx->cmd_args; - - /* parsing command line arguments */ - cmd_args->log_level = DEFAULT_LOG_LEVEL; - cmd_args->fuse_direct_io_mode_flag = _gf_true; - cmd_args->fuse_attribute_timeout = -1; + switch (sig) { + case SIGINT: + case SIGTERM: + cleanup_and_exit(sig); + break; + case SIGHUP: + reincarnate(sig); + break; + case SIGUSR1: + gf_proc_dump_info(sig, glusterfsd_ctx); + break; + case SIGUSR2: + file = gf_monitor_metrics(glusterfsd_ctx); - INIT_LIST_HEAD (&cmd_args->xlator_options); + /* Nothing needed to be done here */ + GF_FREE(file); - argp_parse (&argp, argc, argv, ARGP_IN_ORDER, NULL, cmd_args); + break; + default: - if (ENABLE_DEBUG_MODE == cmd_args->debug_mode) { - cmd_args->log_level = GF_LOG_DEBUG; - cmd_args->log_file = "/dev/stdout"; - cmd_args->no_daemon_mode = ENABLE_NO_DAEMON_MODE; + break; } + } - if ((cmd_args->volfile_server == NULL) - && (cmd_args->volume_file == NULL)) { - if (process_mode == GF_SERVER_PROCESS) - cmd_args->volume_file = strdup (DEFAULT_SERVER_VOLUME_FILE); - else - cmd_args->volume_file = strdup (DEFAULT_CLIENT_VOLUME_FILE); - } + return NULL; +} - if (cmd_args->log_file == NULL) { - ret = set_log_file_path (cmd_args); - if (-1 == ret) { - fprintf (stderr, "failed to set the log file path.. " - "exiting\n"); - return -1; - } - } +void +glusterfsd_print_trace(int signum) +{ + gf_print_trace(signum, glusterfsd_ctx); +} - ctx->page_size = 128 * GF_UNIT_KB; - ctx->iobuf_pool = iobuf_pool_new (8 * GF_UNIT_MB, ctx->page_size); - ctx->event_pool = event_pool_new (DEFAULT_EVENT_POOL_SIZE); - pthread_mutex_init (&(ctx->lock), NULL); - pool = ctx->pool = CALLOC (1, sizeof (call_pool_t)); - ERR_ABORT (ctx->pool); - LOCK_INIT (&pool->lock); - INIT_LIST_HEAD (&pool->all_frames); - - /* initializing logs */ - if (cmd_args->run_id) { - ret = stat (cmd_args->log_file, &stbuf); - /* If its /dev/null, or /dev/stdout, /dev/stderr, - * let it use the same, no need to alter - */ - if (((ret == 0) && - (S_ISREG (stbuf.st_mode) || S_ISLNK (stbuf.st_mode))) || - (ret == -1)) { - /* Have seperate logfile per run */ - tm = localtime (&utime); - strftime (timestr, 256, "%Y%m%d.%H%M%S", tm); - sprintf (tmp_logfile, "%s.%s.%d", - cmd_args->log_file, timestr, getpid ()); - - /* Create symlink to actual log file */ - unlink (cmd_args->log_file); - - tmp_logfile_dyn = strdup (tmp_logfile); - tmp_logfilebase = basename (tmp_logfile_dyn); - ret = symlink (tmp_logfilebase, cmd_args->log_file); - if (-1 == ret) { - fprintf (stderr, "symlink of logfile failed"); - } else { - FREE (cmd_args->log_file); - cmd_args->log_file = strdup (tmp_logfile); - } +int +glusterfs_signals_setup(glusterfs_ctx_t *ctx) +{ + sigset_t set; + int ret = 0; + + sigemptyset(&set); + + /* common setting for all threads */ + signal(SIGSEGV, glusterfsd_print_trace); + signal(SIGABRT, glusterfsd_print_trace); + signal(SIGILL, glusterfsd_print_trace); + signal(SIGTRAP, glusterfsd_print_trace); + signal(SIGFPE, glusterfsd_print_trace); + signal(SIGBUS, glusterfsd_print_trace); + signal(SIGINT, cleanup_and_exit); + signal(SIGPIPE, SIG_IGN); + + /* block these signals from non-sigwaiter threads */ + sigaddset(&set, SIGTERM); /* cleanup_and_exit */ + sigaddset(&set, SIGHUP); /* reincarnate */ + sigaddset(&set, SIGUSR1); /* gf_proc_dump_info */ + sigaddset(&set, SIGUSR2); + + /* Signals needed for asynchronous framework. */ + sigaddset(&set, GF_ASYNC_SIGQUEUE); + sigaddset(&set, GF_ASYNC_SIGCTRL); + + ret = pthread_sigmask(SIG_BLOCK, &set, NULL); + if (ret) { + gf_smsg("glusterfsd", GF_LOG_WARNING, errno, glusterfsd_msg_22, NULL); + return ret; + } + + ret = gf_thread_create(&ctx->sigwaiter, NULL, glusterfs_sigwaiter, + (void *)&set, "sigwait"); + if (ret) { + /* + TODO: + fallback to signals getting handled by other threads. + setup the signal handlers + */ + gf_smsg("glusterfsd", GF_LOG_WARNING, errno, glusterfsd_msg_23, NULL); + return ret; + } - FREE (tmp_logfile_dyn); + return ret; +} + +int +daemonize(glusterfs_ctx_t *ctx) +{ + int ret = -1; + cmd_args_t *cmd_args = NULL; + int cstatus = 0; + int err = 1; + int child_pid = 0; + + cmd_args = &ctx->cmd_args; + + ret = glusterfs_pidfile_setup(ctx); + if (ret) + goto out; + + if (cmd_args->no_daemon_mode) { + goto postfork; + } + + if (cmd_args->debug_mode) + goto postfork; + + ret = pipe(ctx->daemon_pipe); + if (ret) { + /* If pipe() fails, retain daemon_pipe[] = {-1, -1} + and parent will just not wait for child status + */ + ctx->daemon_pipe[0] = -1; + ctx->daemon_pipe[1] = -1; + } + + ret = os_daemon_return(0, 0); + switch (ret) { + case -1: + if (ctx->daemon_pipe[0] != -1) { + sys_close(ctx->daemon_pipe[0]); + sys_close(ctx->daemon_pipe[1]); + } + + gf_smsg("daemonize", GF_LOG_ERROR, errno, glusterfsd_msg_24, NULL); + goto out; + case 0: + /* child */ + /* close read */ + sys_close(ctx->daemon_pipe[0]); + break; + default: + /* parent */ + /* close write */ + child_pid = ret; + sys_close(ctx->daemon_pipe[1]); + + if (ctx->mnt_pid > 0) { + ret = waitpid(ctx->mnt_pid, &cstatus, 0); + if (!(ret == ctx->mnt_pid)) { + if (WIFEXITED(cstatus)) { + err = WEXITSTATUS(cstatus); + } else { + err = cstatus; + } + gf_smsg("daemonize", GF_LOG_ERROR, 0, glusterfsd_msg_25, + NULL); + exit(err); } - } + } + sys_read(ctx->daemon_pipe[0], (void *)&err, sizeof(err)); + /* NOTE: Only the least significant 8 bits i.e (err & 255) + will be available to parent process on calling exit() */ + if (err) + _exit(abs(err)); + + /* Update pid in parent only for glusterd process */ + if (ctx->process_mode == GF_GLUSTERD_PROCESS) { + ret = glusterfs_pidfile_update(ctx, child_pid); + if (ret) + exit(1); + } + _exit(0); + } + +postfork: + /* Update pid in child either process_mode is not belong to glusterd + or process is spawned in no daemon mode + */ + if ((ctx->process_mode != GF_GLUSTERD_PROCESS) || + (cmd_args->no_daemon_mode)) { + ret = glusterfs_pidfile_update(ctx, getpid()); + if (ret) + goto out; + } + gf_log("glusterfs", GF_LOG_INFO, "Pid of current running process is %d", + getpid()); + ret = gf_log_inject_timer_event(ctx); - gf_global_variable_init (); + glusterfs_signals_setup(ctx); +out: + return ret; +} - if (gf_log_init (cmd_args->log_file) == -1) { - fprintf (stderr, - "failed to open logfile %s. exiting\n", - cmd_args->log_file); - return -1; - } - gf_log_set_loglevel (cmd_args->log_level); - gf_proc_dump_init(); - - /* setting up environment */ - lim.rlim_cur = RLIM_INFINITY; - lim.rlim_max = RLIM_INFINITY; - if (setrlimit (RLIMIT_CORE, &lim) == -1) { - fprintf (stderr, "ignoring %s\n", - strerror (errno)); - } -#ifdef DEBUG - mtrace (); +#ifdef GF_LINUX_HOST_OS +static int +set_oom_score_adj(glusterfs_ctx_t *ctx) +{ + int ret = -1; + cmd_args_t *cmd_args = NULL; + int fd = -1; + size_t oom_score_len = 0; + struct oom_api_info *api = NULL; + + cmd_args = &ctx->cmd_args; + + if (!cmd_args->oom_score_adj) + goto success; + + api = get_oom_api_info(); + if (!api) + goto out; + + fd = open(api->oom_api_file, O_WRONLY); + if (fd < 0) + goto out; + + oom_score_len = strlen(cmd_args->oom_score_adj); + if (sys_write(fd, cmd_args->oom_score_adj, oom_score_len) != + oom_score_len) { + sys_close(fd); + goto out; + } + + if (sys_close(fd) < 0) + goto out; + +success: + ret = 0; + +out: + return ret; +} #endif - signal (SIGUSR1, gf_proc_dump_info); - signal (SIGSEGV, gf_print_trace); - signal (SIGABRT, gf_print_trace); - signal (SIGPIPE, SIG_IGN); - signal (SIGHUP, gf_log_logrotate); - signal (SIGTERM, cleanup_and_exit); - /* This is used to dump details */ - /* signal (SIGUSR2, (sighandler_t) glusterfs_stats); */ - - /* getting and parsing volume file */ - if ((specfp = _get_specfp (ctx)) == NULL) { - /* _get_specfp() prints necessary error message */ - gf_log ("glusterfs", GF_LOG_ERROR, "exiting\n"); - argp_help (&argp, stderr, ARGP_HELP_SEE, (char *) argv[0]); - return -1; +int +glusterfs_process_volfp(glusterfs_ctx_t *ctx, FILE *fp) +{ + glusterfs_graph_t *graph = NULL; + int ret = -1; + xlator_t *trav = NULL; + + if (!ctx) + return -1; + + graph = glusterfs_graph_construct(fp); + if (!graph) { + gf_smsg("", GF_LOG_ERROR, 0, glusterfsd_msg_26, NULL); + goto out; + } + + for (trav = graph->first; trav; trav = trav->next) { + if (strcmp(trav->type, "mount/fuse") == 0) { + gf_smsg("glusterfsd", GF_LOG_ERROR, 0, glusterfsd_msg_27, NULL); + goto out; } + } - if ((graph = _parse_specfp (ctx, specfp)) == NULL) { - /* _parse_specfp() prints necessary error message */ - fprintf (stderr, "exiting\n"); - gf_log ("glusterfs", GF_LOG_ERROR, "exiting"); - return -1; - } - ctx->specfp = specfp; + xlator_t *xl = graph->first; + if (xl && (strcmp(xl->type, "protocol/server") == 0)) { + (void)copy_opts_to_child(xl, FIRST_CHILD(xl), "*auth*"); + } - /* check whether MOUNT-POINT argument and fuse volume are given - * at same time or not. If not, add argument MOUNT-POINT to graph - * as top volume if given - */ - trav = graph; - fuse_volume_found = 0; - - while (trav) { - if (strcmp (trav->type, ZR_XLATOR_FUSE) == 0) { - if (dict_get (trav->options, - ZR_MOUNTPOINT_OPT) != NULL) { - trav->ctx = graph->ctx; - fuse_volume_found = 1; - } - } + ret = glusterfs_graph_prepare(graph, ctx, ctx->cmd_args.volume_name); + if (ret) { + goto out; + } - xl_count++; /* Getting this value right is very important */ - trav = trav->next; - } + ret = glusterfs_graph_activate(graph, ctx); - ctx->xl_count = xl_count + 1; + if (ret) { + goto out; + } - if (!fuse_volume_found && (cmd_args->mount_point != NULL)) { - if ((graph = _add_fuse_mount (graph)) == NULL) { - /* _add_fuse_mount() prints necessary - * error message - */ - fprintf (stderr, "exiting\n"); - gf_log ("glusterfs", GF_LOG_ERROR, "exiting"); - return -1; - } + gf_log_dump_graph(fp, graph); + + ret = 0; +out: + if (fp) + fclose(fp); + + if (ret) { + /* TODO This code makes to generic for all graphs + client as well as servers.For now it destroys + graph only for server-side xlators not for client-side + xlators, before destroying a graph call xlator fini for + xlators those call xlator_init to avoid leak + */ + if (graph) { + xl = graph->first; + if ((ctx->active != graph) && + (xl && !strcmp(xl->type, "protocol/server"))) { + /* Take dict ref for every graph xlator to avoid dict leak + at the time of graph destroying + */ + glusterfs_graph_fini(graph); + glusterfs_graph_destroy(graph); + } } - /* daemonize now */ - if (!cmd_args->no_daemon_mode) { - if (gf_daemon (pipe_fd) == -1) { - gf_log ("glusterfs", GF_LOG_ERROR, - "unable to run in daemon mode: %s", - strerror (errno)); - return -1; - } + /* there is some error in setting up the first graph itself */ + if (!ctx->active) { + emancipate(ctx, ret); + cleanup_and_exit(ret); + } + } - /* we are daemon now */ - _gf_dump_details (argc, argv); - if (cmd_args->pid_file != NULL) { - ctx->pidfp = fopen (cmd_args->pid_file, "a+"); - if (ctx->pidfp == NULL) { - gf_log ("glusterfs", GF_LOG_ERROR, - "unable to open pid file %s, %s.", - cmd_args->pid_file, - strerror (errno)); - if (write (pipe_fd[1], &gf_failure, - sizeof (int)) < 0) { - gf_log ("glusterfs", GF_LOG_ERROR, - "Write on pipe error"); - } - /* do cleanup and exit ?! */ - return -1; - } - ret = lockf (fileno (ctx->pidfp), - (F_LOCK | F_TLOCK), 0); - if (ret == -1) { - gf_log ("glusterfs", GF_LOG_ERROR, - "Is another instance of %s running?", - argv[0]); - fclose (ctx->pidfp); - if (write (pipe_fd[1], &gf_failure, - sizeof (int)) < 0) { - gf_log ("glusterfs", GF_LOG_ERROR, - "Write on pipe error"); - } - return ret; - } - ret = ftruncate (fileno (ctx->pidfp), 0); - if (ret == -1) { - gf_log ("glusterfs", GF_LOG_ERROR, - "unable to truncate file %s. %s.", - cmd_args->pid_file, - strerror (errno)); - lockf (fileno (ctx->pidfp), F_ULOCK, 0); - fclose (ctx->pidfp); - if (write (pipe_fd[1], &gf_failure, - sizeof (int)) < 0) { - gf_log ("glusterfs", GF_LOG_ERROR, - "Write on pipe error"); - } - return ret; - } + return ret; +} - /* update pid file, if given */ - fprintf (ctx->pidfp, "%d\n", getpid ()); - fflush (ctx->pidfp); - /* we close pid file on exit */ - } - } else { - /* - * Need to have this line twice because PID is different - * in daemon and non-daemon cases. - */ +int +glusterfs_volumes_init(glusterfs_ctx_t *ctx) +{ + FILE *fp = NULL; + cmd_args_t *cmd_args = NULL; + int ret = 0; - _gf_dump_details (argc, argv); - } + cmd_args = &ctx->cmd_args; - gf_log_volume_file (ctx->specfp); + if (cmd_args->sock_file) { + ret = glusterfs_listener_init(ctx); + if (ret) + goto out; + } - gf_log ("glusterfs", GF_LOG_DEBUG, - "running in pid %d", getpid ()); + if (cmd_args->volfile_server) { + ret = glusterfs_mgmt_init(ctx); + /* return, do not emancipate() yet */ + return ret; + } - gf_timer_registry_init (ctx); + fp = get_volfp(ctx); - /* override xlator options with command line options - * where applicable - */ - gf_add_cmdline_options (graph, cmd_args); - - ctx->graph = graph; - if (glusterfs_graph_init (graph, fuse_volume_found) != 0) { - gf_log ("glusterfs", GF_LOG_ERROR, - "translator initialization failed. exiting"); - if (!cmd_args->no_daemon_mode && - (write (pipe_fd[1], &gf_failure, sizeof (int)) < 0)) { - gf_log ("glusterfs", GF_LOG_ERROR, - "Write on pipe failed," - "daemonize problem.exiting: %s", - strerror (errno)); - } - return -1; - } + if (!fp) { + gf_smsg("glusterfsd", GF_LOG_ERROR, 0, glusterfsd_msg_28, NULL); + ret = -1; + goto out; + } + + ret = glusterfs_process_volfp(ctx, fp); + if (ret) + goto out; + +out: + emancipate(ctx, ret); + return ret; +} - /* Send PARENT_UP notify to all the translators now */ - graph->notify (graph, GF_EVENT_PARENT_UP, ctx->graph); +/* This is the only legal global pointer */ +glusterfs_ctx_t *glusterfsd_ctx; - gf_log ("glusterfs", GF_LOG_NORMAL, "Successfully started"); +int +main(int argc, char *argv[]) +{ + glusterfs_ctx_t *ctx = NULL; + int ret = -1; + char cmdlinestr[PATH_MAX] = { + 0, + }; + cmd_args_t *cmd = NULL; + + gf_check_and_set_mem_acct(argc, argv); + + ctx = glusterfs_ctx_new(); + if (!ctx) { + gf_smsg("glusterfs", GF_LOG_CRITICAL, 0, glusterfsd_msg_29, NULL); + return ENOMEM; + } + glusterfsd_ctx = ctx; + + ret = glusterfs_globals_init(ctx); + if (ret) + return ret; - if (!cmd_args->no_daemon_mode && - (write (pipe_fd[1], &gf_success, sizeof (int)) < 0)) { - gf_log ("glusterfs", GF_LOG_ERROR, - "Write on pipe failed," - "daemonize problem. exiting: %s", - strerror (errno)); - return -1; + THIS->ctx = ctx; + + ret = glusterfs_ctx_defaults_init(ctx); + if (ret) + goto out; + + ret = parse_cmdline(argc, argv, ctx); + if (ret) + goto out; + cmd = &ctx->cmd_args; + + if (cmd->print_xlatordir) { + /* XLATORDIR passed through a -D flag to GCC */ + printf("%s\n", XLATORDIR); + goto out; + } + + if (cmd->print_statedumpdir) { + printf("%s\n", DEFAULT_VAR_RUN_DIRECTORY); + goto out; + } + + if (cmd->print_logdir) { + printf("%s\n", DEFAULT_LOG_FILE_DIRECTORY); + goto out; + } + + if (cmd->print_libexecdir) { + printf("%s\n", LIBEXECDIR); + goto out; + } + + if (cmd->print_netgroups) { + /* If this option is set we want to print & verify the file, + * set the return value (exit code in this case) and exit. + */ + ret = print_netgroups_file(cmd->print_netgroups); + goto out; + } + + if (cmd->print_exports) { + /* If this option is set we want to print & verify the file, + * set the return value (exit code in this case) + * and exit. + */ + ret = print_exports_file(cmd->print_exports); + goto out; + } + + ret = logging_init(ctx, argv[0]); + if (ret) + goto out; + + /* set brick_mux mode only for server process */ + if ((ctx->process_mode != GF_SERVER_PROCESS) && cmd->brick_mux) { + gf_smsg("glusterfs", GF_LOG_CRITICAL, 0, glusterfsd_msg_43, NULL); + goto out; + } + + /* log the version of glusterfs running here along with the actual + command line options. */ + { + int i = 0; + int pos = 0; + int len = snprintf(cmdlinestr, sizeof(cmdlinestr), "%s", argv[0]); + for (i = 1; (i < argc) && (len > 0); i++) { + pos += len; + len = snprintf(cmdlinestr + pos, sizeof(cmdlinestr) - pos, " %s", + argv[i]); + if ((len <= 0) || (len >= (sizeof(cmdlinestr) - pos))) { + gf_smsg("glusterfs", GF_LOG_ERROR, 0, glusterfsd_msg_029, NULL); + ret = -1; + goto out; + } } + gf_smsg(argv[0], GF_LOG_INFO, 0, glusterfsd_msg_30, "arg=%s", argv[0], + "version=%s", PACKAGE_VERSION, "cmdlinestr=%s", cmdlinestr, + NULL); + + ctx->cmdlinestr = gf_strdup(cmdlinestr); + } + + gf_proc_dump_init(); + + ret = create_fuse_mount(ctx); + if (ret) + goto out; + + ret = daemonize(ctx); + if (ret) + goto out; + + /* + * If we do this before daemonize, the pool-sweeper thread dies with + * the parent, but we want to do it as soon as possible after that in + * case something else depends on pool allocations. + */ + mem_pools_init(); + + ret = gf_async_init(ctx); + if (ret < 0) { + goto out; + } + +#ifdef GF_LINUX_HOST_OS + ret = set_oom_score_adj(ctx); + if (ret) + goto out; +#endif + ctx->env = syncenv_new(0, 0, 0); + if (!ctx->env) { + gf_smsg("", GF_LOG_ERROR, 0, glusterfsd_msg_31, NULL); + goto out; + } - if (cmd_args->log_server) { - gf_log_central_init (ctx, cmd_args->log_server, - "socket", cmd_args->log_server_port); - } + /* do this _after_ daemonize() */ + if (!glusterfs_ctx_tw_get(ctx)) { + ret = -1; + goto out; + } - event_dispatch (ctx->event_pool); + ret = glusterfs_volumes_init(ctx); + if (ret) + goto out; - return 0; + ret = gf_event_dispatch(ctx->event_pool); + +out: + // glusterfs_ctx_destroy (ctx); + gf_async_fini(); + return ret; } |