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authorAnand Avati <avati@gluster.com>2010-06-07 12:37:34 +0000
committerAnand V. Avati <avati@dev.gluster.com>2010-06-07 11:58:50 -0700
commit79241696fbdebe2583298f12cbaee068ce60c655 (patch)
tree42e60d351e328fa34f17242c6c3359a8c01e8fa3 /glusterfsd/src/glusterfsd.c
parentc4ebd25a176d6d51d702b1009e261c3c27237a48 (diff)
dynamic volume changes for graph replacement
Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 971 (dynamic volume management) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
Diffstat (limited to 'glusterfsd/src/glusterfsd.c')
-rw-r--r--glusterfsd/src/glusterfsd.c1301
1 files changed, 511 insertions, 790 deletions
diff --git a/glusterfsd/src/glusterfsd.c b/glusterfsd/src/glusterfsd.c
index cf486d84f7e..01d155a2d4b 100644
--- a/glusterfsd/src/glusterfsd.c
+++ b/glusterfsd/src/glusterfsd.c
@@ -1,5 +1,5 @@
/*
- Copyright (c) 2006-2009 Gluster, Inc. <http://www.gluster.com>
+ Copyright (c) 2006-2010 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS is GF_FREE software; you can redistribute it and/or modify
@@ -70,6 +70,7 @@
#include "statedump.h"
#include "latency.h"
#include "glusterfsd-mem-types.h"
+#include "syscall.h"
#include <fnmatch.h>
@@ -94,7 +95,7 @@ const char *argp_program_version = "" \
"the GNU General Public License.";
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:"},
@@ -106,11 +107,11 @@ static struct argp_option gf_options[] = {
"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"]"},
+ "File to use as VOLUME_FILE [default: "DEFAULT_CLIENT_VOLFILE" or "
+ DEFAULT_SERVER_VOLFILE"]"},
{"spec-file", ARGP_VOLUME_FILE_KEY, "VOLFILE", OPTION_HIDDEN,
- "File to use as VOLFILE [default : "DEFAULT_CLIENT_VOLUME_FILE" or "
- DEFAULT_SERVER_VOLUME_FILE"]"},
+ "File to use as VOLFILE [default : "DEFAULT_CLIENT_VOLFILE" or "
+ DEFAULT_SERVER_VOLFILE"]"},
{"log-server", ARGP_LOG_SERVER_KEY, "LOG SERVER", 0,
"Server to use as the central log server."
"--log-server option"},
@@ -174,194 +175,83 @@ static struct argp_option gf_options[] = {
static struct argp argp = { gf_options, parse_opts, argp_doc, gf_doc };
-/* Make use of pipe to synchronize daemonization */
-int
-gf_daemon (int *pipe_fd)
-{
- 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);
- }
- }
-
- /*child continues*/
- close (pipe_fd[0]);
- if (os_daemon (0, 0) == -1) {
- gf_log ("glusterfs", GF_LOG_ERROR,
- "unable to run in daemon mode: %s",
- strerror (errno));
- return -1;
- }
- return 0;
-}
-
-static void
-_gf_dump_details (int argc, char **argv)
-{
- 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]);
- }
-
- fprintf (gf_log_logfile, "\nPID : %d\n", mypid);
-
- 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);
- }
-
-
- fprintf (gf_log_logfile, "\n");
- fflush (gf_log_logfile);
-}
-
-static xlator_t *
-gf_get_first_xlator (xlator_t *list)
-{
- xlator_t *trav = NULL, *head = NULL;
+int glusterfs_pidfile_cleanup (glusterfs_ctx_t *ctx);
+int glusterfs_volumes_init (glusterfs_ctx_t *ctx);
- trav = list;
- do {
- if (trav->prev == NULL) {
- head = trav;
- }
-
- trav = trav->prev;
- } while (trav != NULL);
-
- return head;
-}
-
-static xlator_t *
-_add_fuse_mount (xlator_t *graph)
+int
+create_fuse_mount (glusterfs_ctx_t *ctx)
{
int ret = 0;
cmd_args_t *cmd_args = NULL;
- xlator_t *top = NULL;
- glusterfs_ctx_t *ctx = NULL;
- xlator_list_t *xlchild = NULL;
+ xlator_t *master = NULL;
- ctx = graph->ctx;
cmd_args = &ctx->cmd_args;
- xlchild = GF_CALLOC (sizeof (*xlchild), 1,
- gfd_mt_xlator_list_t);
- ERR_ABORT (xlchild);
- xlchild->xlator = graph;
+ if (!cmd_args->mount_point)
+ return 0;
- top = GF_CALLOC (1, sizeof (*top),
- gfd_mt_xlator_t);
- top->name = gf_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,
+ 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, ZR_XLATOR_FUSE) == -1) {
+ gf_log ("glusterfsd", GF_LOG_ERROR,
"MOUNT-POINT %s initialization failed",
cmd_args->mount_point);
- return NULL;
+ goto err;
}
- top->children = xlchild;
- top->ctx = graph->ctx;
- top->next = gf_get_first_xlator (graph);
- top->options = get_new_dict ();
- ret = dict_set_static_ptr (top->options, ZR_MOUNTPOINT_OPT,
+ master->ctx = ctx;
+ master->options = get_new_dict ();
+
+ ret = dict_set_static_ptr (master->options, ZR_MOUNTPOINT_OPT,
cmd_args->mount_point);
if (ret < 0) {
- gf_log ("glusterfs", GF_LOG_DEBUG,
+ gf_log ("glusterfsd", GF_LOG_ERROR,
"failed to set mount-point to options dictionary");
+ goto err;
}
if (cmd_args->fuse_attribute_timeout >= 0)
- ret = dict_set_double (top->options, ZR_ATTR_TIMEOUT_OPT,
+ ret = dict_set_double (master->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,
+ ret = dict_set_double (master->options, ZR_ENTRY_TIMEOUT_OPT,
cmd_args->fuse_entry_timeout);
if (cmd_args->volfile_check)
- ret = dict_set_int32 (top->options, ZR_STRICT_VOLFILE_CHECK,
+ ret = dict_set_int32 (master->options, ZR_STRICT_VOLFILE_CHECK,
cmd_args->volfile_check);
if (cmd_args->dump_fuse)
- ret = dict_set_static_ptr (top->options, ZR_DUMP_FUSE,
+ ret = dict_set_static_ptr (master->options, ZR_DUMP_FUSE,
cmd_args->dump_fuse);
#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 == 1) {
- gf_log ("glusterfs", GF_LOG_DEBUG,
+ gf_log ("glusterfsd", 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");
+
#else /* ! DARWIN HOST OS */
switch (cmd_args->fuse_direct_io_mode_flag) {
case 0: /* disable */
- ret = dict_set_static_ptr (top->options, ZR_DIRECT_IO_OPT,
+ ret = dict_set_static_ptr (master->options, ZR_DIRECT_IO_OPT,
"disable");
break;
case 1: /* enable */
- ret = dict_set_static_ptr (top->options, ZR_DIRECT_IO_OPT,
+ ret = dict_set_static_ptr (master->options, ZR_DIRECT_IO_OPT,
"enable");
break;
case 2: /* default */
@@ -371,60 +261,25 @@ _add_fuse_mount (xlator_t *graph)
#endif /* GF_DARWIN_HOST_OS */
- graph->parents = GF_CALLOC (1, sizeof (xlator_list_t),
- gfd_mt_xlator_list_t);
- graph->parents->xlator = top;
-
- return top;
-}
+ ret = xlator_init (master);
+ if (ret)
+ goto err;
-static xlator_t *
-_add_volume (xlator_t *graph, const char *voltype)
-{
- cmd_args_t *cmd_args = NULL;
- xlator_t *top = NULL;
- glusterfs_ctx_t *ctx = NULL;
- xlator_list_t *xlchild = NULL;
- char *shortvoltype = (char *)voltype;
+ ctx->master = master;
- ctx = graph->ctx;
- cmd_args = &ctx->cmd_args;
- for (;;) {
- if (*(shortvoltype++) == '/')
- break;
- assert (*shortvoltype);
- }
-
- xlchild = CALLOC (sizeof (*xlchild), 1);
- if (!xlchild) {
- return NULL;
- }
- xlchild->xlator = graph;
+ return 0;
- top = CALLOC (1, sizeof (*top));
- top->name = strdup (shortvoltype);
- if (xlator_set_type (top, voltype) == -1) {
- fprintf (stderr,
- "%s volume initialization failed",
- shortvoltype);
- gf_log ("glusterfs", GF_LOG_ERROR,
- "%s initialization failed", shortvoltype);
- return NULL;
+err:
+ if (master) {
+ xlator_destroy (master);
}
- top->children = xlchild;
- top->ctx = graph->ctx;
- top->next = gf_get_first_xlator (graph);
- top->options = get_new_dict ();
- graph->parents = CALLOC (1, sizeof (xlator_list_t));
- graph->parents->xlator = top;
-
- return top;
+ return -1;
}
static FILE *
-_get_specfp (glusterfs_ctx_t *ctx)
+get_volfp (glusterfs_ctx_t *ctx)
{
int ret = 0;
cmd_args_t *cmd_args = NULL;
@@ -434,18 +289,15 @@ _get_specfp (glusterfs_ctx_t *ctx)
cmd_args = &ctx->cmd_args;
if (cmd_args->volfile_server) {
- specfp = fetch_spec (ctx);
+// 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,
+ gf_log ("glusterfsd", GF_LOG_ERROR,
"error while getting volume file from "
"server %s", cmd_args->volfile_server);
}
else {
- gf_log ("glusterfs", GF_LOG_DEBUG,
+ gf_log ("glusterfsd", GF_LOG_DEBUG,
"loading volume file from server %s",
cmd_args->volfile_server);
}
@@ -453,284 +305,27 @@ _get_specfp (glusterfs_ctx_t *ctx)
return specfp;
}
- ret = stat (cmd_args->volume_file, &statbuf);
+ ret = sys_lstat (cmd_args->volfile, &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");
+ gf_log ("glusterfsd", GF_LOG_ERROR,
+ "%s: %s", cmd_args->volfile, strerror (errno));
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,
+
+ if ((specfp = fopen (cmd_args->volfile, "r")) == NULL) {
+ gf_log ("glusterfsd", GF_LOG_ERROR,
"volume file %s: %s",
- cmd_args->volume_file,
+ cmd_args->volfile,
strerror (errno));
return NULL;
}
- gf_log ("glusterfs", GF_LOG_DEBUG,
- "loading volume file %s", cmd_args->volume_file);
+ gf_log ("glusterfsd", GF_LOG_DEBUG,
+ "loading volume file %s", cmd_args->volfile);
return specfp;
}
-static xlator_t *
-_parse_specfp (glusterfs_ctx_t *ctx,
- FILE *specfp)
-{
- int spec_fd = 0;
- cmd_args_t *cmd_args = NULL;
- xlator_t *tree = NULL, *trav = NULL, *new_tree = NULL;
-
- cmd_args = &ctx->cmd_args;
-
- fseek (specfp, 0L, SEEK_SET);
-
- tree = file_to_xlator_tree (ctx, specfp);
- trav = tree;
-
- 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;
- }
-
- spec_fd = fileno (specfp);
- get_checksum_for_file (spec_fd, &ctx->volfile_checksum);
-
- /* 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;
- }
-
- 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;
-}
-
-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;
- }
- }
- }
-
- if (!found) {
- gf_log (xl->name, GF_LOG_WARNING,
- "option '%s' is not recognized",
- pair->key);
- }
- return 0;
-}
-
-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;
- }
-
-
- 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;
- }
-
- /* No error in this phase, just bunch of warning if at all */
- trav = xl;
-
- while (trav->prev)
- trav = trav->prev;
-
- /* 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;
- }
-
- return ret;
-}
-
-int
-glusterfs_graph_parent_up (xlator_t *graph)
-{
- xlator_t *trav = NULL;
- int ret = -1;
-
- trav = graph;
-
- while (trav->prev)
- trav = trav->prev;
-
- while (trav) {
- if (!xlator_has_parent (trav)) {
- ret = trav->notify (trav, GF_EVENT_PARENT_UP, trav);
- }
-
- if (ret)
- break;
-
- trav = trav->next;
- }
-
- return ret;
-}
-
-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;
- }
-
- if (graph->mem_acct_init (graph) != 0)
- return -1;
-
- if (xlator_init (graph) != 0)
- return -1;
-
- 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;
- }
-
- return 0;
-}
static int
gf_remember_xlator_option (struct list_head *options, char *arg)
@@ -742,7 +337,7 @@ gf_remember_xlator_option (struct list_head *options, char *arg)
char *dot = NULL;
char *equals = NULL;
- ctx = get_global_ctx_ptr ();
+ ctx = glusterfs_ctx_get ();
cmd_args = &ctx->cmd_args;
option = GF_CALLOC (1, sizeof (xlator_cmdline_option_t),
@@ -791,42 +386,8 @@ out:
}
-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;
- }
-}
-
-error_t
+static error_t
parse_opts (int key, char *arg, struct argp_state *state)
{
cmd_args_t *cmd_args = NULL;
@@ -861,10 +422,16 @@ parse_opts (int key, char *arg, struct argp_state *state)
break;
case ARGP_VOLUME_FILE_KEY:
- cmd_args->volume_file = gf_strdup (arg);
+ if (cmd_args->volfile)
+ GF_FREE (cmd_args->volfile);
+
+ cmd_args->volfile = gf_strdup (arg);
break;
case ARGP_LOG_SERVER_KEY:
+ if (cmd_args->log_server)
+ GF_FREE (cmd_args->log_server);
+
cmd_args->log_server = gf_strdup (arg);
break;
@@ -1017,48 +584,40 @@ parse_opts (int key, char *arg, struct argp_state *state)
}
-void
+static void
cleanup_and_exit (int signum)
{
glusterfs_ctx_t *ctx = NULL;
- xlator_t *trav = NULL;
- ctx = get_global_ctx_ptr ();
+ ctx = glusterfs_ctx_get ();
- gf_log ("glusterfs", GF_LOG_WARNING, "shutting down");
+ gf_log ("glusterfsd", GF_LOG_NORMAL, "shutting down");
- if (ctx->pidfp) {
- lockf (fileno (ctx->pidfp), F_ULOCK, 0);
- fclose (ctx->pidfp);
- ctx->pidfp = NULL;
- }
+ glusterfs_pidfile_cleanup (ctx);
- if (ctx->specfp) {
- fclose (ctx->specfp);
- ctx->specfp = NULL;
- }
+ exit (0);
+}
- if (ctx->cmd_args.pid_file) {
- unlink (ctx->cmd_args.pid_file);
- ctx->cmd_args.pid_file = NULL;
- }
- 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");
- }
+static void
+reincarnate (int signum)
+{
+ int ret = 0;
+ glusterfs_ctx_t *ctx = NULL;
+
+ ctx = glusterfs_ctx_get ();
+
+ gf_log ("glusterfsd", GF_LOG_NORMAL,
+ "Reloading volfile ...");
+
+ ret = glusterfs_volumes_init (ctx);
+
+ return;
}
static char *
-zr_build_process_uuid ()
+generate_uuid ()
{
char tmp_str[1024] = {0,};
char hostname[256] = {0,};
@@ -1066,14 +625,14 @@ zr_build_process_uuid ()
struct tm now = {0, };
char now_str[32];
- if (-1 == gettimeofday(&tv, NULL)) {
- gf_log ("", GF_LOG_ERROR,
+ if (gettimeofday (&tv, NULL) == -1) {
+ gf_log ("glusterfsd", GF_LOG_ERROR,
"gettimeofday: failed %s",
strerror (errno));
}
- if (-1 == gethostname (hostname, 256)) {
- gf_log ("", GF_LOG_ERROR,
+ if (gethostname (hostname, 256) == -1) {
+ gf_log ("glusterfsd", GF_LOG_ERROR,
"gethostname: failed %s",
strerror (errno));
}
@@ -1094,6 +653,7 @@ zr_build_process_uuid ()
#define GF_SERVER_PROCESS 0
#define GF_CLIENT_PROCESS 1
+
static uint8_t
gf_get_process_mode (char *exec_name)
{
@@ -1114,7 +674,9 @@ gf_get_process_mode (char *exec_name)
return ret;
}
-int
+
+
+static int
set_log_file_path (cmd_args_t *cmd_args)
{
int i = 0;
@@ -1134,30 +696,31 @@ set_log_file_path (cmd_args_t *cmd_args)
if (cmd_args->mount_point[i] == '/')
tmp_str[j] = '-';
}
+
ret = gf_asprintf (&cmd_args->log_file,
DEFAULT_LOG_FILE_DIRECTORY "/%s.log",
tmp_str);
- if (-1 == ret) {
+ if (ret == -1) {
gf_log ("glusterfsd", GF_LOG_ERROR,
"asprintf failed while setting up log-file");
}
goto done;
}
- if (cmd_args->volume_file) {
+ if (cmd_args->volfile) {
j = 0;
i = 0;
- if (cmd_args->volume_file[0] == '/')
+ if (cmd_args->volfile[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] == '/')
+ for (; i < strlen (cmd_args->volfile); i++,j++) {
+ tmp_str[j] = cmd_args->volfile[i];
+ if (cmd_args->volfile[i] == '/')
tmp_str[j] = '-';
}
ret = gf_asprintf (&cmd_args->log_file,
DEFAULT_LOG_FILE_DIRECTORY "/%s.log",
tmp_str);
- if (-1 == ret) {
+ if (ret == -1) {
gf_log ("glusterfsd", GF_LOG_ERROR,
"asprintf failed while setting up log-file");
}
@@ -1185,91 +748,120 @@ done:
return ret;
}
-int
-main (int argc, char *argv[])
+
+static int
+glusterfs_ctx_defaults_init (glusterfs_ctx_t *ctx)
{
- 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;
+ cmd_args_t *cmd_args = NULL;
+ struct rlimit lim = {0, };
+ call_pool_t *pool = NULL;
- ret = glusterfs_globals_init ();
- if (ret)
- return ret;
+ xlator_mem_acct_init (THIS, gfd_mt_end);
- ret = xlator_mem_acct_init (THIS, gfd_mt_end);
- if (ret)
- return ret;
+ ctx->process_uuid = generate_uuid ();
+ if (!ctx->process_uuid)
+ return -1;
+
+ ctx->page_size = 128 * GF_UNIT_KB;
+
+ ctx->iobuf_pool = iobuf_pool_new (8 * GF_UNIT_MB, ctx->page_size);
+ if (!ctx->iobuf_pool)
+ return -1;
+
+ ctx->event_pool = event_pool_new (DEFAULT_EVENT_POOL_SIZE);
+ if (!ctx->event_pool)
+ return -1;
+
+ pool = GF_CALLOC (1, sizeof (call_pool_t),
+ gfd_mt_call_pool_t);
+ if (!pool)
+ return -1;
+ INIT_LIST_HEAD (&pool->all_frames);
+ LOCK_INIT (&pool->lock);
+ ctx->pool = pool;
+
+ pthread_mutex_init (&(ctx->lock), NULL);
- 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 = 2;
+ cmd_args->fuse_direct_io_mode_flag = _gf_true;
cmd_args->fuse_attribute_timeout = -1;
INIT_LIST_HEAD (&cmd_args->xlator_options);
- argp_parse (&argp, argc, argv, ARGP_IN_ORDER, NULL, cmd_args);
+ lim.rlim_cur = RLIM_INFINITY;
+ lim.rlim_max = RLIM_INFINITY;
+ setrlimit (RLIMIT_CORE, &lim);
- 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;
- }
+ return 0;
+}
- if ((cmd_args->volfile_server == NULL)
- && (cmd_args->volume_file == NULL)) {
- if (process_mode == GF_SERVER_PROCESS)
- cmd_args->volume_file = gf_strdup (DEFAULT_SERVER_VOLUME_FILE);
- else
- cmd_args->volume_file = gf_strdup (DEFAULT_CLIENT_VOLUME_FILE);
- }
+
+static int
+logging_init (glusterfs_ctx_t *ctx)
+{
+ cmd_args_t *cmd_args = NULL;
+ int ret = 0;
+
+ cmd_args = &ctx->cmd_args;
if (cmd_args->log_file == NULL) {
ret = set_log_file_path (cmd_args);
- if (-1 == ret) {
+ if (ret == -1) {
fprintf (stderr, "failed to set the log file path.. "
"exiting\n");
return -1;
}
}
- 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 = GF_CALLOC (1, sizeof (call_pool_t),
- gfd_mt_call_pool_t);
- ERR_ABORT (ctx->pool);
- LOCK_INIT (&pool->lock);
- INIT_LIST_HEAD (&pool->all_frames);
+ 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);
+
+ return 0;
+}
+
+
+int
+parse_cmdline (int argc, char *argv[], cmd_args_t *cmd_args)
+{
+ int process_mode = 0;
+ int ret = 0;
+ struct stat stbuf = {0, };
+ struct tm *tm = NULL;
+ time_t utime;
+ char timestr[256];
+ char tmp_logfile[1024] = { 0 };
+ char *tmp_logfile_dyn = NULL;
+ char *tmp_logfilebase = NULL;
+
+ argp_parse (&argp, argc, argv, ARGP_IN_ORDER, NULL, cmd_args);
+
+ if (ENABLE_DEBUG_MODE == cmd_args->debug_mode) {
+ cmd_args->log_level = GF_LOG_DEBUG;
+ cmd_args->log_file = "/dev/stderr";
+ cmd_args->no_daemon_mode = ENABLE_NO_DAEMON_MODE;
+ }
+
+ process_mode = gf_get_process_mode (argv[0]);
+
+ 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
+ cmd_args->volfile = gf_strdup (DEFAULT_CLIENT_VOLFILE);
+ }
- /* initializing logs */
if (cmd_args->run_id) {
- ret = stat (cmd_args->log_file, &stbuf);
+ 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
*/
@@ -1283,12 +875,13 @@ main (int argc, char *argv[])
cmd_args->log_file, timestr, getpid ());
/* Create symlink to actual log file */
- unlink (cmd_args->log_file);
+ sys_unlink (cmd_args->log_file);
tmp_logfile_dyn = gf_strdup (tmp_logfile);
tmp_logfilebase = basename (tmp_logfile_dyn);
- ret = symlink (tmp_logfilebase, cmd_args->log_file);
- if (-1 == ret) {
+ ret = sys_symlink (tmp_logfilebase,
+ cmd_args->log_file);
+ if (ret == -1) {
fprintf (stderr, "symlink of logfile failed");
} else {
GF_FREE (cmd_args->log_file);
@@ -1299,218 +892,346 @@ main (int argc, char *argv[])
}
}
- gf_global_variable_init ();
+ return 0;
+}
- 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 ();
-#endif
+int
+glusterfs_pidfile_setup (glusterfs_ctx_t *ctx)
+{
+ cmd_args_t *cmd_args = NULL;
+ int ret = 0;
+ FILE *pidfp = NULL;
- signal (SIGUSR1, gf_proc_dump_info);
- signal (SIGUSR2, gf_latency_toggle);
- signal (SIGSEGV, gf_print_trace);
- signal (SIGABRT, gf_print_trace);
- signal (SIGPIPE, SIG_IGN);
- signal (SIGHUP, gf_log_logrotate);
- signal (SIGTERM, cleanup_and_exit);
- /* if used inside GDB, then this is overridden, hence making
- it a safer option */
- signal (SIGINT, 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]);
+ cmd_args = &ctx->cmd_args;
+
+ if (!cmd_args->pid_file)
+ return 0;
+
+ pidfp = fopen (cmd_args->pid_file, "a+");
+ if (!pidfp) {
+ gf_log ("glusterfsd", GF_LOG_ERROR,
+ "pidfile %s error (%s)",
+ cmd_args->pid_file, strerror (errno));
return -1;
}
- 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;
+ ret = lockf (fileno (pidfp), F_TLOCK, 0);
+ if (ret) {
+ gf_log ("glusterfsd", GF_LOG_ERROR,
+ "pidfile %s lock error (%s)",
+ cmd_args->pid_file, strerror (errno));
+ return ret;
}
- ctx->specfp = specfp;
- /* 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;
- }
- }
+ gf_log ("glusterfsd", GF_LOG_TRACE,
+ "pidfile %s lock acquired",
+ cmd_args->pid_file);
+
+ ret = lockf (fileno (pidfp), F_ULOCK, 0);
+
+ ctx->pidfp = pidfp;
+
+ return 0;
+}
+
+
+int
+glusterfs_pidfile_cleanup (glusterfs_ctx_t *ctx)
+{
+ cmd_args_t *cmd_args = NULL;
+
+ cmd_args = &ctx->cmd_args;
- xl_count++; /* Getting this value right is very important */
- trav = trav->next;
+ if (!ctx->pidfp)
+ return 0;
+
+ gf_log ("glusterfsd", GF_LOG_TRACE,
+ "pidfile %s unlocking",
+ cmd_args->pid_file);
+
+ lockf (fileno (ctx->pidfp), F_ULOCK, 0);
+ fclose (ctx->pidfp);
+ ctx->pidfp = NULL;
+
+ if (ctx->cmd_args.pid_file) {
+ unlink (ctx->cmd_args.pid_file);
+ ctx->cmd_args.pid_file = NULL;
}
- ctx->xl_count = xl_count + 1;
+ return 0;
+}
- if (cmd_args->read_only && !fuse_volume_found &&
- (cmd_args->mount_point == NULL)) {
- gf_log ("glusterfs", GF_LOG_ERROR,
- "'--read-only' option is valid only on client side");
- fprintf (stderr, "'--read-only' option is valid only "
- "on client side, exiting\n");
- return -1;
+int
+glusterfs_pidfile_update (glusterfs_ctx_t *ctx)
+{
+ cmd_args_t *cmd_args = NULL;
+ int ret = 0;
+ FILE *pidfp = NULL;
+
+ cmd_args = &ctx->cmd_args;
+
+ pidfp = ctx->pidfp;
+ if (!pidfp)
+ return 0;
+
+ ret = lockf (fileno (pidfp), F_TLOCK, 0);
+ if (ret) {
+ gf_log ("glusterfsd", GF_LOG_ERROR,
+ "pidfile %s lock failed",
+ cmd_args->pid_file);
+ return ret;
}
- if (graph && !fuse_volume_found && (cmd_args->mount_point != NULL)) {
- /* Check for read-only option and add a read-only translator */
- if (cmd_args->read_only)
- graph = _add_volume (graph, ZR_XLATOR_READ_ONLY);
- if (graph
-#ifndef GF_DARWIN_HOST_OS
- && cmd_args->mac_compat
-#endif
- )
- graph = _add_volume (graph, ZR_XLATOR_MAC_COMPAT);
- if (graph)
- graph = _add_fuse_mount (graph);
+
+ ret = ftruncate (fileno (pidfp), 0);
+ if (ret) {
+ gf_log ("glusterfsd", GF_LOG_ERROR,
+ "pidfile %s truncation failed",
+ cmd_args->pid_file);
+ return ret;
}
- if (!graph) {
- fprintf (stderr, "failed to complete xlator graph, exiting\n");
- gf_log ("glusterfs", GF_LOG_ERROR, "exiting");
- return -1;
+
+ ret = fprintf (pidfp, "%d\n", getpid ());
+ if (ret <= 0) {
+ gf_log ("glusterfsd", GF_LOG_ERROR,
+ "pidfile %s write failed",
+ cmd_args->pid_file);
+ return ret;
}
- /* 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;
+ ret = fflush (pidfp);
+ if (ret) {
+ gf_log ("glusterfsd", GF_LOG_ERROR,
+ "pidfile %s write failed",
+ cmd_args->pid_file);
+ return ret;
+ }
+
+ gf_log ("glusterfsd", GF_LOG_DEBUG,
+ "pidfile %s updated with pid %d",
+ cmd_args->pid_file, getpid ());
+
+ return 0;
+}
+
+
+void *
+glusterfs_sigwaiter (void *arg)
+{
+ sigset_t set;
+ int ret = 0;
+ int sig = 0;
+
+
+ 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); /* gf_latency_toggle */
+
+ for (;;) {
+ ret = sigwait (&set, &sig);
+ if (ret) {
+ gf_log ("sigwaiter", GF_LOG_ERROR,
+ "sigwait returned error (%s)",
+ strerror (ret));
+ continue;
}
- /* 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;
- }
+ gf_log ("sigwaiter", GF_LOG_DEBUG,
+ "received signal %d", sig);
- /* update pid file, if given */
- fprintf (ctx->pidfp, "%d\n", getpid ());
- fflush (ctx->pidfp);
- /* we close pid file on exit */
+ switch (sig) {
+ case SIGINT:
+ case SIGTERM:
+ cleanup_and_exit (sig);
+ break;
+ case SIGHUP:
+ reincarnate (sig);
+ break;
+ case SIGUSR1:
+ gf_proc_dump_info (sig);
+ break;
+ case SIGUSR2:
+ gf_latency_toggle (sig);
+ break;
+ default:
+ gf_log ("sigwaiter", GF_LOG_ERROR,
+ "unhandled signal: %d", sig);
+ break;
}
- } else {
- /*
- * Need to have this line twice because PID is different
- * in daemon and non-daemon cases.
- */
+ }
- _gf_dump_details (argc, argv);
+ return NULL;
+}
+
+
+int
+glusterfs_signals_setup (glusterfs_ctx_t *ctx)
+{
+ sigset_t set;
+ int ret = 0;
+
+ sigemptyset (&set);
+
+ /* common setting for all threads */
+ signal (SIGSEGV, gf_print_trace);
+ signal (SIGABRT, gf_print_trace);
+ signal (SIGILL, gf_print_trace);
+ signal (SIGTRAP, gf_print_trace);
+ signal (SIGFPE, gf_print_trace);
+ signal (SIGBUS, gf_print_trace);
+ signal (SIGPIPE, SIG_IGN);
+
+ /* block these signals from non-sigwaiter threads */
+ 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); /* gf_latency_toggle */
+
+ ret = pthread_sigmask (SIG_BLOCK, &set, NULL);
+ if (ret)
+ return ret;
+
+ ret = pthread_create (&ctx->sigwaiter, NULL, glusterfs_sigwaiter,
+ (void *) &set);
+ if (ret) {
+ /*
+ TODO:
+ fallback to signals getting handled by other threads.
+ setup the signal handlers
+ */
+ return ret;
}
- gf_log_volume_file (ctx->specfp);
+ return ret;
+}
- gf_log ("glusterfs", GF_LOG_DEBUG,
- "running in pid %d", getpid ());
- gf_timer_registry_init (ctx);
+int
+daemonize (glusterfs_ctx_t *ctx)
+{
+ int ret = 0;
+ cmd_args_t *cmd_args = NULL;
- /* 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;
+
+ cmd_args = &ctx->cmd_args;
+
+ ret = glusterfs_pidfile_setup (ctx);
+ if (ret)
+ return ret;
+
+ if (cmd_args->no_daemon_mode)
+ goto postfork;
+
+ if (cmd_args->debug_mode)
+ goto postfork;
+
+ daemon (0, 0);
+
+postfork:
+ ret = glusterfs_pidfile_update (ctx);
+ if (ret)
+ return ret;
+
+ glusterfs_signals_setup (ctx);
+
+ return ret;
+}
+
+
+int
+glusterfs_volumes_init (glusterfs_ctx_t *ctx)
+{
+ FILE *fp = NULL;
+ glusterfs_graph_t *graph = NULL;
+ int ret = 0;
+
+ fp = get_volfp (ctx);
+
+ if (!fp) {
+ gf_log ("glusterfsd", GF_LOG_ERROR,
+ "Cannot reach volume specification file");
+ ret = -1;
+ goto out;
}
- /* Send PARENT_UP notify to all the translators now */
- glusterfs_graph_parent_up (graph);
+ graph = glusterfs_graph_construct (fp);
- gf_log ("glusterfs", GF_LOG_NORMAL, "Successfully started");
+ if (!graph) {
+ ret = -1;
+ goto out;
+ }
- 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;
+ ret = glusterfs_graph_prepare (graph, ctx);
+
+ if (ret) {
+ glusterfs_graph_destroy (graph);
+ ret = -1;
+ goto out;
}
- event_dispatch (ctx->event_pool);
+ ret = glusterfs_graph_activate (ctx, graph);
- return 0;
+ if (ret) {
+ glusterfs_graph_destroy (graph);
+ ret = -1;
+ goto out;
+ }
+
+out:
+ if (fp)
+ fclose (fp);
+
+ return ret;
+}
+
+
+int
+main (int argc, char *argv[])
+{
+ glusterfs_ctx_t *ctx = NULL;
+ int ret = -1;
+
+ ret = glusterfs_globals_init ();
+ if (ret)
+ return ret;
+
+ ctx = glusterfs_ctx_get ();
+ if (!ctx)
+ return ENOMEM;
+
+ ret = glusterfs_ctx_defaults_init (ctx);
+ if (ret)
+ goto out;
+
+ ret = parse_cmdline (argc, argv, &ctx->cmd_args);
+ if (ret)
+ goto out;
+
+ ret = logging_init (ctx);
+ if (ret)
+ goto out;
+
+ gf_proc_dump_init();
+
+ ret = create_fuse_mount (ctx);
+ if (ret)
+ goto out;
+
+ ret = daemonize (ctx);
+ if (ret)
+ goto out;
+
+ ret = glusterfs_volumes_init (ctx);
+ if (ret)
+ goto out;
+
+ ret = event_dispatch (ctx->event_pool);
+
+out:
+// glusterfs_ctx_destroy (ctx);
+
+ return ret;
}