diff options
Diffstat (limited to 'rpc/rpc-lib/src/rpc-transport.c')
| -rw-r--r-- | rpc/rpc-lib/src/rpc-transport.c | 154 |
1 files changed, 106 insertions, 48 deletions
diff --git a/rpc/rpc-lib/src/rpc-transport.c b/rpc/rpc-lib/src/rpc-transport.c index 78d1bff57..c24d41084 100644 --- a/rpc/rpc-lib/src/rpc-transport.c +++ b/rpc/rpc-lib/src/rpc-transport.c @@ -1,20 +1,11 @@ /* - Copyright (c) 2010-2011 Gluster, Inc. <http://www.gluster.com> + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> This file is part of GlusterFS. - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. */ #include <dlfcn.h> @@ -78,6 +69,19 @@ out: return ret; } +int +rpc_transport_throttle (rpc_transport_t *this, gf_boolean_t onoff) +{ + int ret = 0; + + if (!this->ops->throttle) + return -ENOSYS; + + ret = this->ops->throttle (this, onoff); + + return ret; +} + int32_t rpc_transport_get_peeraddr (rpc_transport_t *this, char *peeraddr, int addrlen, struct sockaddr_storage *sa, size_t salen) @@ -154,6 +158,7 @@ rpc_transport_load (glusterfs_ctx_t *ctx, dict_t *options, char *trans_name) int8_t is_tcp = 0, is_unix = 0, is_ibsdp = 0; volume_opt_list_t *vol_opt = NULL; gf_boolean_t bind_insecure = _gf_false; + xlator_t *this = NULL; GF_VALIDATE_OR_GOTO("rpc-transport", options, fail); GF_VALIDATE_OR_GOTO("rpc-transport", ctx, fail); @@ -178,7 +183,7 @@ rpc_transport_load (glusterfs_ctx_t *ctx, dict_t *options, char *trans_name) gf_log ("dict", GF_LOG_DEBUG, "setting transport-type failed"); else - gf_log ("rpc-transport", GF_LOG_WARNING, + gf_log ("rpc-transport", GF_LOG_DEBUG, "missing 'option transport-type'. defaulting to " "\"socket\""); } else { @@ -259,13 +264,15 @@ rpc_transport_load (glusterfs_ctx_t *ctx, dict_t *options, char *trans_name) handle = dlopen (name, RTLD_NOW|RTLD_GLOBAL); if (handle == NULL) { gf_log ("rpc-transport", GF_LOG_ERROR, "%s", dlerror ()); - gf_log ("rpc-transport", GF_LOG_ERROR, + gf_log ("rpc-transport", GF_LOG_WARNING, "volume '%s': transport-type '%s' is not valid or " "not found on this machine", trans_name, type); goto fail; } + trans->dl_handle = handle; + trans->ops = dlsym (handle, "tops"); if (trans->ops == NULL) { gf_log ("rpc-transport", GF_LOG_ERROR, @@ -273,22 +280,22 @@ rpc_transport_load (glusterfs_ctx_t *ctx, dict_t *options, char *trans_name) goto fail; } - trans->init = dlsym (handle, "init"); + *VOID(&(trans->init)) = dlsym (handle, "init"); if (trans->init == NULL) { gf_log ("rpc-transport", GF_LOG_ERROR, "dlsym (gf_rpc_transport_init) on %s", dlerror ()); goto fail; } - trans->fini = dlsym (handle, "fini"); + *VOID(&(trans->fini)) = dlsym (handle, "fini"); if (trans->fini == NULL) { gf_log ("rpc-transport", GF_LOG_ERROR, "dlsym (gf_rpc_transport_fini) on %s", dlerror ()); goto fail; } - trans->reconfigure = dlsym (handle, "reconfigure"); - if (trans->fini == NULL) { + *VOID(&(trans->reconfigure)) = dlsym (handle, "reconfigure"); + if (trans->reconfigure == NULL) { gf_log ("rpc-transport", GF_LOG_DEBUG, "dlsym (gf_rpc_transport_reconfigure) on %s", dlerror()); } @@ -299,14 +306,15 @@ rpc_transport_load (glusterfs_ctx_t *ctx, dict_t *options, char *trans_name) goto fail; } + this = THIS; vol_opt->given_opt = dlsym (handle, "options"); if (vol_opt->given_opt == NULL) { gf_log ("rpc-transport", GF_LOG_DEBUG, "volume option validation not specified"); } else { INIT_LIST_HEAD (&vol_opt->list); - list_add_tail (&vol_opt->list, &(THIS->volume_options)); - if (xlator_options_validate_list (THIS, options, vol_opt, + list_add_tail (&vol_opt->list, &(this->volume_options)); + if (xlator_options_validate_list (this, options, vol_opt, NULL)) { gf_log ("rpc-transport", GF_LOG_ERROR, "volume option validation failed"); @@ -317,7 +325,7 @@ rpc_transport_load (glusterfs_ctx_t *ctx, dict_t *options, char *trans_name) trans->options = options; pthread_mutex_init (&trans->lock, NULL); - trans->xl = THIS; + trans->xl = this; ret = trans->init (trans); if (ret != 0) { @@ -328,23 +336,25 @@ rpc_transport_load (glusterfs_ctx_t *ctx, dict_t *options, char *trans_name) return_trans = trans; - if (name) { - GF_FREE (name); - } + GF_FREE (name); return return_trans; fail: if (trans) { - if (trans->name) { - GF_FREE (trans->name); - } + GF_FREE (trans->name); + + if (trans->dl_handle) + dlclose (trans->dl_handle); GF_FREE (trans); } - if (name) { - GF_FREE (name); + GF_FREE (name); + + if (vol_opt && !list_empty (&vol_opt->list)) { + list_del_init (&vol_opt->list); + GF_FREE (vol_opt); } return NULL; @@ -432,8 +442,10 @@ rpc_transport_destroy (rpc_transport_t *this) pthread_mutex_destroy (&this->lock); - if (this->name) - GF_FREE (this->name); + GF_FREE (this->name); + + if (this->dl_handle) + dlclose (this->dl_handle); GF_FREE (this); fail: @@ -478,6 +490,8 @@ rpc_transport_unref (rpc_transport_t *this) if (this->mydata) this->notify (this, this->mydata, RPC_TRANSPORT_CLEANUP, NULL); + this->mydata = NULL; + this->notify = NULL; rpc_transport_destroy (this); } @@ -521,18 +535,6 @@ out: } -inline int -rpc_transport_unregister_notify (rpc_transport_t *trans) -{ - GF_VALIDATE_OR_GOTO ("rpc-transport", trans, out); - - trans->notify = NULL; - trans->mydata = NULL; - -out: - return 0; -} - //give negative values to skip setting that value //this function asserts if both the values are negative. @@ -560,6 +562,63 @@ out: } int +rpc_transport_unix_options_build (dict_t **options, char *filepath, + int frame_timeout) +{ + dict_t *dict = NULL; + char *fpath = NULL; + int ret = -1; + + GF_ASSERT (filepath); + GF_ASSERT (options); + + dict = dict_new (); + if (!dict) + goto out; + + fpath = gf_strdup (filepath); + if (!fpath) { + ret = -1; + goto out; + } + + ret = dict_set_dynstr (dict, "transport.socket.connect-path", fpath); + if (ret) + goto out; + + ret = dict_set_str (dict, "transport.address-family", "unix"); + if (ret) + goto out; + + ret = dict_set_str (dict, "transport.socket.nodelay", "off"); + if (ret) + goto out; + + ret = dict_set_str (dict, "transport-type", "socket"); + if (ret) + goto out; + + ret = dict_set_str (dict, "transport.socket.keepalive", "off"); + if (ret) + goto out; + + if (frame_timeout > 0) { + ret = dict_set_int32 (dict, "frame-timeout", frame_timeout); + if (ret) + goto out; + } + + *options = dict; +out: + if (ret) { + GF_FREE (fpath); + if (dict) + dict_unref (dict); + } + return ret; +} + +int rpc_transport_inet_options_build (dict_t **options, const char *hostname, int port) { @@ -594,7 +653,7 @@ rpc_transport_inet_options_build (dict_t **options, const char *hostname, "failed to set remote-port with %d", port); goto out; } - ret = dict_set_str (dict, "transport.address-family", "inet/inet6"); + ret = dict_set_str (dict, "transport.address-family", "inet"); if (ret) { gf_log (THIS->name, GF_LOG_WARNING, "failed to set addr-family with inet"); @@ -611,8 +670,7 @@ rpc_transport_inet_options_build (dict_t **options, const char *hostname, *options = dict; out: if (ret) { - if (host) - GF_FREE (host); + GF_FREE (host); if (dict) dict_unref (dict); } |
