diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-shd-svc-helper.c')
-rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-shd-svc-helper.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-shd-svc-helper.c b/xlators/mgmt/glusterd/src/glusterd-shd-svc-helper.c new file mode 100644 index 00000000000..91967584f35 --- /dev/null +++ b/xlators/mgmt/glusterd/src/glusterd-shd-svc-helper.c @@ -0,0 +1,140 @@ +/* + Copyright (c) 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 "glusterd.h" +#include "glusterd-utils.h" +#include "glusterd-shd-svc-helper.h" +#include "glusterd-messages.h" +#include "glusterd-volgen.h" + +void +glusterd_svc_build_shd_socket_filepath(glusterd_volinfo_t *volinfo, char *path, + int path_len) +{ + char sockfilepath[PATH_MAX] = { + 0, + }; + char rundir[PATH_MAX] = { + 0, + }; + int32_t len = 0; + glusterd_conf_t *priv = THIS->private; + + if (!priv) + return; + + GLUSTERD_GET_SHD_RUNDIR(rundir, volinfo, priv); + len = snprintf(sockfilepath, sizeof(sockfilepath), "%s/run-%s", rundir, + uuid_utoa(MY_UUID)); + if ((len < 0) || (len >= sizeof(sockfilepath))) { + sockfilepath[0] = 0; + } + + glusterd_set_socket_filepath(sockfilepath, path, path_len); +} + +void +glusterd_svc_build_shd_pidfile(glusterd_volinfo_t *volinfo, char *path, + int path_len) +{ + char rundir[PATH_MAX] = { + 0, + }; + glusterd_conf_t *priv = THIS->private; + + if (!priv) + return; + + GLUSTERD_GET_SHD_RUNDIR(rundir, volinfo, priv); + + snprintf(path, path_len, "%s/%s-shd.pid", rundir, volinfo->volname); +} + +void +glusterd_svc_build_shd_volfile_path(glusterd_volinfo_t *volinfo, char *path, + int path_len) +{ + char workdir[PATH_MAX] = { + 0, + }; + glusterd_conf_t *priv = THIS->private; + + if (!priv) + return; + + GLUSTERD_GET_VOLUME_DIR(workdir, volinfo, priv); + + snprintf(path, path_len, "%s/%s-shd.vol", workdir, volinfo->volname); +} + +void +glusterd_svc_build_shd_logdir(char *logdir, char *volname, size_t len) +{ + snprintf(logdir, len, "%s/shd/%s", DEFAULT_LOG_FILE_DIRECTORY, volname); +} + +void +glusterd_svc_build_shd_logfile(char *logfile, char *logdir, size_t len) +{ + snprintf(logfile, len, "%s/shd.log", logdir); +} + +void +glusterd_shd_svcproc_cleanup(glusterd_shdsvc_t *shd) +{ + glusterd_svc_proc_t *svc_proc = NULL; + glusterd_svc_t *svc = NULL; + glusterd_conf_t *conf = NULL; + gf_boolean_t need_unref = _gf_false; + rpc_clnt_t *rpc = NULL; + + conf = THIS->private; + if (!conf) + return; + + GF_VALIDATE_OR_GOTO(THIS->name, conf, out); + GF_VALIDATE_OR_GOTO(THIS->name, shd, out); + + svc = &shd->svc; + shd->attached = _gf_false; + + if (svc->conn.rpc) { + rpc_clnt_unref(svc->conn.rpc); + svc->conn.rpc = NULL; + } + + pthread_mutex_lock(&conf->attach_lock); + { + svc_proc = svc->svc_proc; + svc->svc_proc = NULL; + svc->inited = _gf_false; + cds_list_del_init(&svc->mux_svc); + glusterd_unlink_file(svc->proc.pidfile); + + if (svc_proc && cds_list_empty(&svc_proc->svcs)) { + cds_list_del_init(&svc_proc->svc_proc_list); + /* We cannot free svc_proc list from here. Because + * if there are pending events on the rpc, it will + * try to access the corresponding svc_proc, so unrefing + * rpc request and then cleaning up the memory is carried + * from the notify function upon RPC_CLNT_DESTROY destroy. + */ + need_unref = _gf_true; + rpc = svc_proc->rpc; + svc_proc->rpc = NULL; + } + } + pthread_mutex_unlock(&conf->attach_lock); + /*rpc unref has to be performed outside the lock*/ + if (need_unref && rpc) + rpc_clnt_unref(rpc); +out: + return; +} |