libglusterfs: Move devel headers under glusterfs directory

libglusterfs devel package headers are referenced in code using
include semantics for a program, this while it works can be better
especially when dealing with out of tree xlator builds or in
general out of tree devel package usage.

Towards this, the following changes are done,
- moved all devel headers under a glusterfs directory
- Included these headers using system header notation <> in all
code outside of libglusterfs
- Included these headers using own program notation "" within
libglusterfs

This change although big, is just moving around the headers and
making it correct when including these headers from other sources.

This helps us correctly include libglusterfs includes without
namespace conflicts.

Change-Id: Id2a98854e671a7ee5d73be44da5ba1a74252423b
Updates: bz#1193929
Signed-off-by: ShyamsundarR <srangana@redhat.com>

1 files changed, 392 insertions, 0 deletions

diff --git a/libglusterfs/src/glusterfs/logging.h b/libglusterfs/src/glusterfs/logging.h
new file mode 100644
index 00000000000..c81e19bef32
--- /dev/null
+++ b/libglusterfs/src/glusterfs/logging.h
@@ -0,0 +1,392 @@
+/*
+  Copyright (c) 2008-2012 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.
+*/
+
+#ifndef __LOGGING_H__
+#define __LOGGING_H__
+
+#include <sys/time.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <pthread.h>
+#include "glusterfs/list.h"
+
+#ifdef GF_DARWIN_HOST_OS
+#define GF_PRI_FSBLK "u"
+#define GF_PRI_DEV PRId32
+#define GF_PRI_INODE PRIu64
+#define GF_PRI_NLINK PRIu32
+#define GF_PRI_SECOND "ld"
+#define GF_PRI_SUSECONDS "06d"
+#define GF_PRI_SNSECONDS "09ld"
+#define GF_PRI_USEC "d"
+#else
+#define GF_PRI_FSBLK PRIu64
+#define GF_PRI_DEV PRIu64
+#define GF_PRI_INODE PRIu64
+#define GF_PRI_NLINK PRIu32
+#define GF_PRI_SECOND "lu"
+#define GF_PRI_SUSECONDS "06ld"
+#define GF_PRI_SNSECONDS "09ld"
+#define GF_PRI_USEC "ld"
+#endif
+#define GF_PRI_BLKSIZE PRId32
+#define GF_PRI_SIZET "zu"
+#define GF_PRI_ATOMIC PRIu64
+
+#ifdef GF_DARWIN_HOST_OS
+#define GF_PRI_TIME "ld"
+#else
+#define GF_PRI_TIME PRIu64
+#endif
+
+#if 0
+/* Syslog definitions :-) */
+#define LOG_EMERG 0   /* system is unusable */
+#define LOG_ALERT 1   /* action must be taken immediately */
+#define LOG_CRIT 2    /* critical conditions */
+#define LOG_ERR 3     /* error conditions */
+#define LOG_WARNING 4 /* warning conditions */
+#define LOG_NOTICE 5  /* normal but significant condition */
+#define LOG_INFO 6    /* informational */
+#define LOG_DEBUG 7   /* debug-level messages */
+#endif
+
+#define GF_LOG_FORMAT_NO_MSG_ID "no-msg-id"
+#define GF_LOG_FORMAT_WITH_MSG_ID "with-msg-id"
+
+#define GF_LOGGER_GLUSTER_LOG "gluster-log"
+#define GF_LOGGER_SYSLOG "syslog"
+
+typedef enum {
+    GF_LOG_NONE,
+    GF_LOG_EMERG,
+    GF_LOG_ALERT,
+    GF_LOG_CRITICAL, /* fatal errors */
+    GF_LOG_ERROR,    /* major failures (not necessarily fatal) */
+    GF_LOG_WARNING,  /* info about normal operation */
+    GF_LOG_NOTICE,
+    GF_LOG_INFO,  /* Normal information */
+    GF_LOG_DEBUG, /* internal errors */
+    GF_LOG_TRACE, /* full trace of operation */
+} gf_loglevel_t;
+
+/* format for the logs */
+typedef enum {
+    gf_logformat_traditional = 0, /* Format as in gluster 3.5 */
+    gf_logformat_withmsgid, /* Format enhanced with MsgID, ident, errstr */
+    gf_logformat_cee        /* log enhanced format in cee */
+} gf_log_format_t;
+
+/* log infrastructure to log to */
+typedef enum {
+    gf_logger_glusterlog = 0, /* locations and files as in gluster 3.5 */
+    gf_logger_syslog          /* log to (r)syslog, based on (r)syslog conf */
+    /* NOTE: In the future journald, lumberjack, next new thing here */
+} gf_log_logger_t;
+
+#define DEFAULT_LOG_FILE_DIRECTORY DATADIR "/log/glusterfs"
+#define DEFAULT_QUOTA_CRAWL_LOG_DIRECTORY DATADIR "/log/glusterfs/quota_crawl"
+#define DEFAULT_LOG_LEVEL GF_LOG_INFO
+
+typedef struct gf_log_handle_ {
+    pthread_mutex_t logfile_mutex;
+    uint8_t logrotate;
+    uint8_t cmd_history_logrotate;
+    gf_loglevel_t loglevel;
+    int gf_log_syslog;
+    gf_loglevel_t sys_log_level;
+    char *filename;
+    FILE *logfile;
+    FILE *gf_log_logfile;
+    char *cmd_log_filename;
+    FILE *cmdlogfile;
+    gf_log_logger_t logger;
+    gf_log_format_t logformat;
+    char *ident;
+    int log_control_file_found;
+    struct list_head lru_queue;
+    uint32_t lru_size;
+    uint32_t lru_cur_size;
+    uint32_t timeout;
+    pthread_mutex_t log_buf_lock;
+    struct _gf_timer *log_flush_timer;
+    int localtime;
+} gf_log_handle_t;
+
+typedef struct log_buf_ {
+    char *msg;
+    uint64_t msg_id;
+    int errnum;
+    struct timeval oldest;
+    struct timeval latest;
+    char *domain;
+    char *file;
+    char *function;
+    int32_t line;
+    gf_loglevel_t level;
+    int refcount;
+    int graph_id;
+    struct list_head msg_list;
+} log_buf_t;
+
+void
+gf_log_globals_init(void *ctx, gf_loglevel_t level);
+int
+gf_log_init(void *data, const char *filename, const char *ident);
+
+void
+gf_log_logrotate(int signum);
+
+void
+gf_log_cleanup(void);
+
+/* Internal interfaces to log messages with message IDs */
+int
+_gf_msg(const char *domain, const char *file, const char *function,
+        int32_t line, gf_loglevel_t level, int errnum, int trace,
+        uint64_t msgid, const char *fmt, ...)
+    __attribute__((__format__(__printf__, 9, 10)));
+
+void
+_gf_msg_backtrace_nomem(gf_loglevel_t level, int stacksize);
+
+int
+_gf_msg_plain(gf_loglevel_t level, const char *fmt, ...)
+    __attribute__((__format__(__printf__, 2, 3)));
+
+int
+_gf_msg_plain_nomem(gf_loglevel_t level, const char *msg);
+
+int
+_gf_msg_vplain(gf_loglevel_t level, const char *fmt, va_list ap);
+
+int
+_gf_msg_nomem(const char *domain, const char *file, const char *function,
+              int line, gf_loglevel_t level, size_t size);
+
+int
+_gf_log(const char *domain, const char *file, const char *function,
+        int32_t line, gf_loglevel_t level, const char *fmt, ...)
+    __attribute__((__format__(__printf__, 6, 7)));
+
+int
+_gf_log_callingfn(const char *domain, const char *file, const char *function,
+                  int32_t line, gf_loglevel_t level, const char *fmt, ...)
+    __attribute__((__format__(__printf__, 6, 7)));
+
+int
+_gf_log_eh(const char *function, const char *fmt, ...)
+    __attribute__((__format__(__printf__, 2, 3)));
+
+/* treat GF_LOG_TRACE and GF_LOG_NONE as LOG_DEBUG and
+ * other level as is */
+#define SET_LOG_PRIO(level, priority)                                          \
+    do {                                                                       \
+        if (GF_LOG_TRACE == (level) || GF_LOG_NONE == (level)) {               \
+            priority = LOG_DEBUG;                                              \
+        } else {                                                               \
+            priority = (level)-1;                                              \
+        }                                                                      \
+    } while (0)
+
+/* extract just the file name from the path */
+#define GET_FILE_NAME_TO_LOG(file, basename)                                   \
+    do {                                                                       \
+        basename = strrchr((file), '/');                                       \
+        if (basename)                                                          \
+            basename++;                                                        \
+        else                                                                   \
+            basename = (file);                                                 \
+    } while (0)
+
+#define PRINT_SIZE_CHECK(ret, label, strsize)                                  \
+    do {                                                                       \
+        if (ret < 0)                                                           \
+            goto label;                                                        \
+        if ((strsize - ret) > 0) {                                             \
+            strsize -= ret;                                                    \
+        } else {                                                               \
+            ret = 0;                                                           \
+            goto label;                                                        \
+        }                                                                      \
+    } while (0)
+
+#define FMT_WARN(fmt...)                                                       \
+    do {                                                                       \
+        if (0)                                                                 \
+            printf(fmt);                                                       \
+    } while (0)
+
+/* Interface to log messages with message IDs */
+#define gf_msg(dom, level, errnum, msgid, fmt...)                              \
+    do {                                                                       \
+        _gf_msg(dom, __FILE__, __FUNCTION__, __LINE__, level, errnum, 0,       \
+                msgid, ##fmt);                                                 \
+    } while (0)
+
+/* no frills, no thrills, just a vanilla message, used to print the graph */
+#define gf_msg_plain(level, fmt...)                                            \
+    do {                                                                       \
+        _gf_msg_plain(level, ##fmt);                                           \
+    } while (0)
+
+#define gf_msg_plain_nomem(level, msg)                                         \
+    do {                                                                       \
+        _gf_msg_plain_nomem(level, msg);                                       \
+    } while (0)
+
+#define gf_msg_vplain(level, fmt, va)                                          \
+    do {                                                                       \
+        _gf_msg_vplain(level, fmt, va);                                        \
+    } while (0)
+
+#define gf_msg_backtrace_nomem(level, stacksize)                               \
+    do {                                                                       \
+        _gf_msg_backtrace_nomem(level, stacksize);                             \
+    } while (0)
+
+#define gf_msg_callingfn(dom, level, errnum, msgid, fmt...)                    \
+    do {                                                                       \
+        _gf_msg(dom, __FILE__, __FUNCTION__, __LINE__, level, errnum, 1,       \
+                msgid, ##fmt);                                                 \
+    } while (0)
+
+/* No malloc or calloc should be called in this function */
+#define gf_msg_nomem(dom, level, size)                                         \
+    do {                                                                       \
+        _gf_msg_nomem(dom, __FILE__, __FUNCTION__, __LINE__, level, size);     \
+    } while (0)
+
+/* Debug or trace messages do not need message IDs as these are more developer
+ * related. Hence, the following abstractions are provided for the same */
+#define gf_msg_debug(dom, errnum, fmt...)                                      \
+    do {                                                                       \
+        _gf_msg(dom, __FILE__, __FUNCTION__, __LINE__, GF_LOG_DEBUG, errnum,   \
+                0, 0, ##fmt);                                                  \
+    } while (0)
+
+#define gf_msg_trace(dom, errnum, fmt...)                                      \
+    do {                                                                       \
+        _gf_msg(dom, __FILE__, __FUNCTION__, __LINE__, GF_LOG_TRACE, errnum,   \
+                0, 0, ##fmt);                                                  \
+    } while (0)
+
+#define gf_log(dom, level, fmt...)                                             \
+    do {                                                                       \
+        FMT_WARN(fmt);                                                         \
+        _gf_log(dom, __FILE__, __FUNCTION__, __LINE__, level, ##fmt);          \
+    } while (0)
+
+#define gf_log_eh(fmt...)                                                      \
+    do {                                                                       \
+        FMT_WARN(fmt);                                                         \
+        _gf_log_eh(__FUNCTION__, ##fmt);                                       \
+    } while (0)
+
+#define gf_log_callingfn(dom, level, fmt...)                                   \
+    do {                                                                       \
+        FMT_WARN(fmt);                                                         \
+        _gf_log_callingfn(dom, __FILE__, __FUNCTION__, __LINE__, level,        \
+                          ##fmt);                                              \
+    } while (0)
+
+/* Log once in GF_UNIVERSAL_ANSWER times */
+#define GF_LOG_OCCASIONALLY(var, args...)                                      \
+    if (!(var++ % GF_UNIVERSAL_ANSWER)) {                                      \
+        gf_log(args);                                                          \
+    }
+
+struct _glusterfs_ctx;
+
+void
+gf_log_disable_syslog(void);
+void
+gf_log_enable_syslog(void);
+gf_loglevel_t
+gf_log_get_loglevel(void);
+void
+gf_log_set_loglevel(struct _glusterfs_ctx *ctx, gf_loglevel_t level);
+int
+gf_log_get_localtime(void);
+void
+gf_log_set_localtime(int);
+void
+gf_log_flush(void);
+gf_loglevel_t
+gf_log_get_xl_loglevel(void *xl);
+void
+gf_log_set_xl_loglevel(void *xl, gf_loglevel_t level);
+
+int
+gf_cmd_log(const char *domain, const char *fmt, ...)
+    __attribute__((__format__(__printf__, 2, 3)));
+
+int
+gf_cmd_log_init(const char *filename);
+
+void
+set_sys_log_level(gf_loglevel_t level);
+
+int
+gf_log_fini(void *data);
+
+void
+gf_log_set_logger(gf_log_logger_t logger);
+
+void
+gf_log_set_logformat(gf_log_format_t format);
+
+void
+gf_log_set_log_buf_size(uint32_t buf_size);
+
+void
+gf_log_set_log_flush_timeout(uint32_t timeout);
+
+void
+gf_log_flush_msgs(struct _glusterfs_ctx *ctx);
+
+int
+gf_log_inject_timer_event(struct _glusterfs_ctx *ctx);
+
+void
+gf_log_disable_suppression_before_exit(struct _glusterfs_ctx *ctx);
+
+#define GF_DEBUG(xl, format, args...)                                          \
+    gf_log((xl)->name, GF_LOG_DEBUG, format, ##args)
+#define GF_INFO(xl, format, args...)                                           \
+    gf_log((xl)->name, GF_LOG_INFO, format, ##args)
+#define GF_WARNING(xl, format, args...)                                        \
+    gf_log((xl)->name, GF_LOG_WARNING, format, ##args)
+#define GF_ERROR(xl, format, args...)                                          \
+    gf_log((xl)->name, GF_LOG_ERROR, format, ##args)
+
+int
+_gf_slog(const char *domain, const char *file, const char *function, int line,
+         gf_loglevel_t level, const char *event, ...);
+
+int
+_gf_smsg(const char *domain, const char *file, const char *function,
+         int32_t line, gf_loglevel_t level, int errnum, int trace,
+         uint64_t msgid, const char *event, ...);
+
+/* Interface to log messages with message IDs */
+#define gf_smsg(dom, level, errnum, msgid, event...)                           \
+    do {                                                                       \
+        _gf_smsg(dom, __FILE__, __FUNCTION__, __LINE__, level, errnum, 0,      \
+                 msgid, ##event);                                              \
+    } while (0)
+
+#define gf_slog(dom, level, event...)                                          \
+    do {                                                                       \
+        _gf_slog(dom, __FILE__, __FUNCTION__, __LINE__, level, ##event);       \
+    } while (0)
+
+#endif /* __LOGGING_H__ */