diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-proc-mgmt.c')
-rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-proc-mgmt.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-proc-mgmt.c b/xlators/mgmt/glusterd/src/glusterd-proc-mgmt.c new file mode 100644 index 00000000000..d6088a398fa --- /dev/null +++ b/xlators/mgmt/glusterd/src/glusterd-proc-mgmt.c @@ -0,0 +1,134 @@ +/* + Copyright (c) 2014 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 <limits.h> +#include <signal.h> + +#include "common-utils.h" +#include "xlator.h" +#include "logging.h" +#include "glusterd-messages.h" +#include "glusterd-proc-mgmt.h" + +int +glusterd_proc_init (glusterd_proc_t *proc, char *name, char *pidfile, + char *logdir, char *logfile, char *volfile, char *volfileid, + char *volfileserver) +{ + int ret = -1; + + ret = snprintf (proc->name, sizeof (proc->name), "%s", name); + if (ret < 0) + goto out; + + ret = snprintf (proc->pidfile, sizeof (proc->pidfile), "%s", pidfile); + if (ret < 0) + goto out; + + ret = snprintf (proc->logdir, sizeof (proc->logdir), "%s", logdir); + if (ret < 0) + goto out; + + ret = snprintf (proc->logfile, sizeof (proc->logfile), "%s", logfile); + if (ret < 0) + goto out; + + ret = snprintf (proc->volfile, sizeof (proc->volfile), "%s", volfile); + if (ret < 0) + goto out; + + ret = snprintf (proc->volfileid, sizeof (proc->volfileid), "%s", + volfileid); + if (ret < 0) + goto out; + + ret = snprintf (proc->volfileserver, sizeof (proc->volfileserver), "%s", + volfileserver); + if (ret < 0) + goto out; + +out: + if (ret > 0) + ret = 0; + + return ret; +} + +int +glusterd_proc_stop (glusterd_proc_t *proc, int sig, int flags) +{ + + /* NB: Copy-paste code from glusterd_service_stop, the source may be + * removed once all daemon management use proc */ + + int32_t ret = -1; + pid_t pid = -1; + xlator_t *this = NULL; + + this = THIS; + GF_ASSERT (this); + + if (!gf_is_service_running (proc->pidfile, &pid)) { + ret = 0; + gf_log (this->name, GF_LOG_INFO, "%s already stopped", + proc->name); + goto out; + } + gf_log (this->name, GF_LOG_DEBUG, "Stopping %s daemon running in pid: " + "%d", proc->name, pid); + + ret = kill (pid, sig); + if (ret) { + switch (errno) { + case ESRCH: + gf_log (this->name, GF_LOG_DEBUG, "%s is already " + "stopped", proc->name); + ret = 0; + goto out; + default: + gf_msg (this->name, GF_LOG_ERROR, errno, + GD_MSG_SVC_KILL_FAIL, "Unable to kill %s " + "service, reason:%s", proc->name, + strerror (errno)); + } + } + if (flags != PROC_STOP_FORCE) + goto out; + + sleep (1); + if (gf_is_service_running (proc->pidfile, NULL)) { + ret = kill (pid, SIGKILL); + if (ret) { + gf_msg (this->name, GF_LOG_ERROR, errno, + GD_MSG_PID_KILL_FAIL, "Unable to kill pid:%d, " + "reason:%s", pid, strerror(errno)); + goto out; + } + } + + ret = 0; +out: + return ret; +} + +int +glusterd_proc_get_pid (glusterd_proc_t *proc) +{ + int pid = -1; + (void) gf_is_service_running (proc->pidfile, &pid); + return pid; +} + +int +glusterd_proc_is_running (glusterd_proc_t *proc) +{ + return gf_is_service_running (proc->pidfile, NULL); +} |