diff options
Diffstat (limited to 'glusterfsd/src')
| -rw-r--r-- | glusterfsd/src/fetch-spec.c | 4 | ||||
| -rw-r--r-- | glusterfsd/src/glusterfsd.c | 1301 | ||||
| -rw-r--r-- | glusterfsd/src/glusterfsd.h | 32 | 
3 files changed, 531 insertions, 806 deletions
diff --git a/glusterfsd/src/fetch-spec.c b/glusterfsd/src/fetch-spec.c index 239b3c90227..f8dcb75844f 100644 --- a/glusterfsd/src/fetch-spec.c +++ b/glusterfsd/src/fetch-spec.c @@ -34,6 +34,8 @@  #include "defaults.h" +#if 0 +  int glusterfs_graph_parent_up (xlator_t *graph);  static int  @@ -297,3 +299,5 @@ fetch_spec (glusterfs_ctx_t *ctx)  	return spec_fp;  } + +#endif 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;  } diff --git a/glusterfsd/src/glusterfsd.h b/glusterfsd/src/glusterfsd.h index 929e27d7037..62916711752 100644 --- a/glusterfsd/src/glusterfsd.h +++ b/glusterfsd/src/glusterfsd.h @@ -25,8 +25,8 @@  #include "config.h"  #endif -#define DEFAULT_CLIENT_VOLUME_FILE            CONFDIR "/glusterfs.vol" -#define DEFAULT_SERVER_VOLUME_FILE            CONFDIR "/glusterfsd.vol" +#define DEFAULT_CLIENT_VOLFILE                CONFDIR "/glusterfs.vol" +#define DEFAULT_SERVER_VOLFILE                CONFDIR "/glusterfsd.vol"  #define DEFAULT_LOG_FILE_DIRECTORY            DATADIR "/log/glusterfs"  #define DEFAULT_LOG_LEVEL                     GF_LOG_NORMAL @@ -54,26 +54,26 @@  #define ZR_DUMP_FUSE            "dump-fuse"  enum argp_option_keys { -	ARGP_VOLFILE_SERVER_KEY = 's',  -	ARGP_VOLUME_FILE_KEY = 'f',  -	ARGP_LOG_LEVEL_KEY = 'L',  -	ARGP_LOG_FILE_KEY = 'l',  -	ARGP_VOLFILE_SERVER_PORT_KEY = 131,  -	ARGP_VOLFILE_SERVER_TRANSPORT_KEY = 132,  +	ARGP_VOLFILE_SERVER_KEY = 's', +	ARGP_VOLUME_FILE_KEY = 'f', +	ARGP_LOG_LEVEL_KEY = 'L', +	ARGP_LOG_FILE_KEY = 'l', +	ARGP_VOLFILE_SERVER_PORT_KEY = 131, +	ARGP_VOLFILE_SERVER_TRANSPORT_KEY = 132,  	ARGP_PID_FILE_KEY = 'p', -	ARGP_NO_DAEMON_KEY = 'N',  -	ARGP_RUN_ID_KEY = 'r',  -	ARGP_DEBUG_KEY = 133,  -	ARGP_DISABLE_DIRECT_IO_MODE_KEY = 134,  -	ARGP_ENTRY_TIMEOUT_KEY = 135,  -	ARGP_ATTRIBUTE_TIMEOUT_KEY = 136,  +	ARGP_NO_DAEMON_KEY = 'N', +	ARGP_RUN_ID_KEY = 'r', +	ARGP_DEBUG_KEY = 133, +	ARGP_DISABLE_DIRECT_IO_MODE_KEY = 134, +	ARGP_ENTRY_TIMEOUT_KEY = 135, +	ARGP_ATTRIBUTE_TIMEOUT_KEY = 136,  	ARGP_VOLUME_NAME_KEY = 137,  	ARGP_XLATOR_OPTION_KEY = 138, -	ARGP_ENABLE_DIRECT_IO_MODE_KEY = 139,  +	ARGP_ENABLE_DIRECT_IO_MODE_KEY = 139,  #ifdef GF_DARWIN_HOST_OS  	ARGP_NON_LOCAL_KEY = 140,  #endif /* DARWIN */ -	ARGP_VOLFILE_ID_KEY = 143,  +	ARGP_VOLFILE_ID_KEY = 143,          ARGP_VOLFILE_CHECK_KEY = 144,          ARGP_VOLFILE_MAX_FETCH_ATTEMPTS = 145,          ARGP_LOG_SERVER_KEY = 146,  | 
