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-rw-r--r--libglusterfs/src/transport.c422
1 files changed, 0 insertions, 422 deletions
diff --git a/libglusterfs/src/transport.c b/libglusterfs/src/transport.c
deleted file mode 100644
index d460d02096e..00000000000
--- a/libglusterfs/src/transport.c
+++ /dev/null
@@ -1,422 +0,0 @@
-/*
- Copyright (c) 2006-2009 Gluster, Inc. <http://www.gluster.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/>.
-*/
-
-#include <dlfcn.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <sys/poll.h>
-#include <fnmatch.h>
-#include <stdint.h>
-
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "logging.h"
-#include "transport.h"
-#include "glusterfs.h"
-#include "xlator.h"
-#include "list.h"
-
-
-transport_t *
-transport_load (dict_t *options,
- xlator_t *xl)
-{
- struct transport *trans = NULL, *return_trans = NULL;
- char *name = NULL;
- void *handle = NULL;
- char *type = NULL;
- char str[] = "ERROR";
- int32_t ret = -1;
- int8_t is_tcp = 0, is_unix = 0, is_ibsdp = 0;
- volume_opt_list_t *vol_opt = NULL;
-
- GF_VALIDATE_OR_GOTO("transport", options, fail);
- GF_VALIDATE_OR_GOTO("transport", xl, fail);
-
- trans = GF_CALLOC (1, sizeof (struct transport),
- gf_common_mt_transport);
- GF_VALIDATE_OR_GOTO("transport", trans, fail);
-
- trans->xl = xl;
- type = str;
-
- /* Backward compatibility */
- ret = dict_get_str (options, "transport-type", &type);
- if (ret < 0) {
- ret = dict_set_str (options, "transport-type", "socket");
- if (ret < 0)
- gf_log ("dict", GF_LOG_DEBUG,
- "setting transport-type failed");
- gf_log ("transport", GF_LOG_WARNING,
- "missing 'option transport-type'. defaulting to "
- "\"socket\"");
- } else {
- {
- /* Backword compatibility to handle * /client,
- * * /server.
- */
- char *tmp = strchr (type, '/');
- if (tmp)
- *tmp = '\0';
- }
-
- is_tcp = strcmp (type, "tcp");
- is_unix = strcmp (type, "unix");
- is_ibsdp = strcmp (type, "ib-sdp");
- if ((is_tcp == 0) ||
- (is_unix == 0) ||
- (is_ibsdp == 0)) {
- if (is_unix == 0)
- ret = dict_set_str (options,
- "transport.address-family",
- "unix");
- if (is_ibsdp == 0)
- ret = dict_set_str (options,
- "transport.address-family",
- "inet-sdp");
-
- if (ret < 0)
- gf_log ("dict", GF_LOG_DEBUG,
- "setting address-family failed");
-
- ret = dict_set_str (options,
- "transport-type", "socket");
- if (ret < 0)
- gf_log ("dict", GF_LOG_DEBUG,
- "setting transport-type failed");
- }
- }
-
- ret = dict_get_str (options, "transport-type", &type);
- if (ret < 0) {
- GF_FREE (trans);
- gf_log ("transport", GF_LOG_ERROR,
- "'option transport-type <xx>' missing in volume '%s'",
- xl->name);
- goto fail;
- }
-
- ret = gf_asprintf (&name, "%s/%s.so", TRANSPORTDIR, type);
- if (-1 == ret) {
- gf_log ("transport", GF_LOG_ERROR, "asprintf failed");
- goto fail;
- }
- gf_log ("transport", GF_LOG_DEBUG,
- "attempt to load file %s", name);
-
- handle = dlopen (name, RTLD_NOW|RTLD_GLOBAL);
- if (handle == NULL) {
- gf_log ("transport", GF_LOG_ERROR, "%s", dlerror ());
- gf_log ("transport", GF_LOG_ERROR,
- "volume '%s': transport-type '%s' is not valid or "
- "not found on this machine",
- xl->name, type);
- GF_FREE (name);
- GF_FREE (trans);
- goto fail;
- }
- GF_FREE (name);
-
- trans->ops = dlsym (handle, "tops");
- if (trans->ops == NULL) {
- gf_log ("transport", GF_LOG_ERROR,
- "dlsym (transport_ops) on %s", dlerror ());
- GF_FREE (trans);
- goto fail;
- }
-
- trans->init = dlsym (handle, "init");
- if (trans->init == NULL) {
- gf_log ("transport", GF_LOG_ERROR,
- "dlsym (gf_transport_init) on %s", dlerror ());
- GF_FREE (trans);
- goto fail;
- }
-
- trans->fini = dlsym (handle, "fini");
- if (trans->fini == NULL) {
- gf_log ("transport", GF_LOG_ERROR,
- "dlsym (gf_transport_fini) on %s", dlerror ());
- GF_FREE (trans);
- goto fail;
- }
-
- vol_opt = GF_CALLOC (1, sizeof (volume_opt_list_t),
- gf_common_mt_volume_opt_list_t);
- vol_opt->given_opt = dlsym (handle, "options");
- if (vol_opt->given_opt == NULL) {
- gf_log ("transport", GF_LOG_DEBUG,
- "volume option validation not specified");
- } else {
- list_add_tail (&vol_opt->list, &xl->volume_options);
- if (-1 ==
- validate_xlator_volume_options (xl,
- vol_opt->given_opt)) {
- gf_log ("transport", GF_LOG_ERROR,
- "volume option validation failed");
- GF_FREE (trans);
- goto fail;
- }
- }
-
- ret = trans->init (trans);
- if (ret != 0) {
- gf_log ("transport", GF_LOG_ERROR,
- "'%s' initialization failed", type);
- GF_FREE (trans);
- goto fail;
- }
-
- pthread_mutex_init (&trans->lock, NULL);
- return_trans = trans;
-fail:
- return return_trans;
-}
-
-
-int32_t
-transport_submit (transport_t *this, char *buf, int32_t len,
- struct iovec *vector, int count,
- struct iobref *iobref)
-{
- int32_t ret = -1;
- transport_t *peer_trans = NULL;
- struct iobuf *iobuf = NULL;
- struct transport_msg *msg = NULL;
-
- if (this->peer_trans) {
- peer_trans = this->peer_trans;
-
- msg = GF_CALLOC (1, sizeof (*msg),
- gf_common_mt_transport_msg);
- if (!msg) {
- return -ENOMEM;
- }
-
- msg->hdr = buf;
- msg->hdrlen = len;
-
- if (vector) {
- iobuf = iobuf_get (this->xl->ctx->iobuf_pool);
- if (!iobuf) {
- GF_FREE (msg->hdr);
- GF_FREE (msg);
- return -ENOMEM;
- }
-
- iov_unload (iobuf->ptr, vector, count);
- msg->iobuf = iobuf;
- }
-
- pthread_mutex_lock (&peer_trans->handover.mutex);
- {
- list_add_tail (&msg->list, &peer_trans->handover.msgs);
- pthread_cond_broadcast (&peer_trans->handover.cond);
- }
- pthread_mutex_unlock (&peer_trans->handover.mutex);
-
- return 0;
- }
-
- GF_VALIDATE_OR_GOTO("transport", this, fail);
- GF_VALIDATE_OR_GOTO("transport", this->ops, fail);
-
- ret = this->ops->submit (this, buf, len, vector, count, iobref);
-fail:
- return ret;
-}
-
-
-int32_t
-transport_connect (transport_t *this)
-{
- int ret = -1;
-
- GF_VALIDATE_OR_GOTO("transport", this, fail);
-
- ret = this->ops->connect (this);
-fail:
- return ret;
-}
-
-
-int32_t
-transport_listen (transport_t *this)
-{
- int ret = -1;
-
- GF_VALIDATE_OR_GOTO("transport", this, fail);
-
- ret = this->ops->listen (this);
-fail:
- return ret;
-}
-
-
-int32_t
-transport_disconnect (transport_t *this)
-{
- int32_t ret = -1;
-
- GF_VALIDATE_OR_GOTO("transport", this, fail);
-
- ret = this->ops->disconnect (this);
-fail:
- return ret;
-}
-
-
-int32_t
-transport_destroy (transport_t *this)
-{
- int32_t ret = -1;
-
- GF_VALIDATE_OR_GOTO("transport", this, fail);
-
- if (this->fini)
- this->fini (this);
-
- pthread_mutex_destroy (&this->lock);
- GF_FREE (this);
-fail:
- return ret;
-}
-
-
-transport_t *
-transport_ref (transport_t *this)
-{
- transport_t *return_this = NULL;
-
- GF_VALIDATE_OR_GOTO("transport", this, fail);
-
- pthread_mutex_lock (&this->lock);
- {
- this->refcount ++;
- }
- pthread_mutex_unlock (&this->lock);
-
- return_this = this;
-fail:
- return return_this;
-}
-
-
-int32_t
-transport_receive (transport_t *this, char **hdr_p, size_t *hdrlen_p,
- struct iobuf **iobuf_p)
-{
- int32_t ret = -1;
-
- GF_VALIDATE_OR_GOTO("transport", this, fail);
-
- if (this->peer_trans) {
- *hdr_p = this->handover.msg->hdr;
- *hdrlen_p = this->handover.msg->hdrlen;
- *iobuf_p = this->handover.msg->iobuf;
-
- return 0;
- }
-
- ret = this->ops->receive (this, hdr_p, hdrlen_p, iobuf_p);
-fail:
- return ret;
-}
-
-
-int32_t
-transport_unref (transport_t *this)
-{
- int32_t refcount = 0;
- int32_t ret = -1;
-
- GF_VALIDATE_OR_GOTO("transport", this, fail);
-
- pthread_mutex_lock (&this->lock);
- {
- refcount = --this->refcount;
- }
- pthread_mutex_unlock (&this->lock);
-
- if (refcount == 0) {
- xlator_notify (this->xl, GF_EVENT_TRANSPORT_CLEANUP, this);
- transport_destroy (this);
- }
-
- ret = 0;
-fail:
- return ret;
-}
-
-
-void *
-transport_peerproc (void *trans_data)
-{
- transport_t *trans = NULL;
- struct transport_msg *msg = NULL;
-
- trans = trans_data;
-
- while (1) {
- pthread_mutex_lock (&trans->handover.mutex);
- {
- while (list_empty (&trans->handover.msgs))
- pthread_cond_wait (&trans->handover.cond,
- &trans->handover.mutex);
-
- msg = list_entry (trans->handover.msgs.next,
- struct transport_msg, list);
-
- list_del_init (&msg->list);
- }
- pthread_mutex_unlock (&trans->handover.mutex);
-
- trans->handover.msg = msg;
-
- xlator_notify (trans->xl, GF_EVENT_POLLIN, trans);
-
- GF_FREE (msg);
- }
-}
-
-
-int
-transport_setpeer (transport_t *trans, transport_t *peer_trans)
-{
- trans->peer_trans = transport_ref (peer_trans);
-
- INIT_LIST_HEAD (&trans->handover.msgs);
- pthread_cond_init (&trans->handover.cond, NULL);
- pthread_mutex_init (&trans->handover.mutex, NULL);
- pthread_create (&trans->handover.thread, NULL,
- transport_peerproc, trans);
-
- peer_trans->peer_trans = transport_ref (trans);
-
- INIT_LIST_HEAD (&peer_trans->handover.msgs);
- pthread_cond_init (&peer_trans->handover.cond, NULL);
- pthread_mutex_init (&peer_trans->handover.mutex, NULL);
- pthread_create (&peer_trans->handover.thread, NULL,
- transport_peerproc, peer_trans);
-
- return 0;
-}
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