diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-conn-mgmt.c')
-rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-conn-mgmt.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-conn-mgmt.c b/xlators/mgmt/glusterd/src/glusterd-conn-mgmt.c new file mode 100644 index 00000000000..662aba6e724 --- /dev/null +++ b/xlators/mgmt/glusterd/src/glusterd-conn-mgmt.c @@ -0,0 +1,135 @@ +/* + Copyright (c) 2014 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#include "xlator.h" +#include "rpc-clnt.h" +#include "glusterd.h" +#include "glusterd-conn-mgmt.h" +#include "glusterd-conn-helper.h" +#include "glusterd-utils.h" + +int +glusterd_conn_init (glusterd_conn_t *conn, char *sockpath, + int frame_timeout, glusterd_conn_notify_t notify) +{ + int ret = -1; + dict_t *options = NULL; + struct rpc_clnt *rpc = NULL; + xlator_t *this = THIS; + glusterd_svc_t *svc = NULL; + + if (!this) + goto out; + + svc = glusterd_conn_get_svc_object (conn); + if (!svc) { + gf_log (this->name, GF_LOG_ERROR, "Failed to get the service"); + goto out; + } + + ret = rpc_transport_unix_options_build (&options, sockpath, + frame_timeout); + if (ret) + goto out; + + ret = dict_set_str (options, "transport.socket.ignore-enoent", "on"); + if (ret) + goto out; + + /* @options is free'd by rpc_transport when destroyed */ + rpc = rpc_clnt_new (options, this->ctx, (char *)svc->name, 16); + if (!rpc) { + ret = -1; + goto out; + } + + ret = rpc_clnt_register_notify (rpc, glusterd_conn_common_notify, + conn); + if (ret) + goto out; + + ret = snprintf (conn->sockpath, sizeof (conn->sockpath), "%s", + sockpath); + if (ret < 0) + goto out; + else + ret = 0; + + conn->frame_timeout = frame_timeout; + conn->rpc = rpc; + conn->notify = notify; +out: + if (ret) { + if (rpc) { + rpc_clnt_unref (rpc); + rpc = NULL; + } + } + return ret; +} + +int +glusterd_conn_term (glusterd_conn_t *conn) +{ + rpc_clnt_disable (conn->rpc); + rpc_clnt_unref (conn->rpc); + return 0; +} + +int +glusterd_conn_connect (glusterd_conn_t *conn) +{ + return rpc_clnt_start (conn->rpc); +} + +int +glusterd_conn_disconnect (glusterd_conn_t *conn) +{ + rpc_clnt_disconnect (conn->rpc); + + return 0; +} + + +int +__glusterd_conn_common_notify (struct rpc_clnt *rpc, void *mydata, + rpc_clnt_event_t event, void *data) +{ + glusterd_conn_t *conn = mydata; + + /* Silently ignoring this error, exactly like the current + * implementation */ + if (!conn) + return 0; + + return conn->notify (conn, event); +} + +int +glusterd_conn_common_notify (struct rpc_clnt *rpc, void *mydata, + rpc_clnt_event_t event, void *data) +{ + return glusterd_big_locked_notify + (rpc, mydata, event, data, + __glusterd_conn_common_notify); +} + +int32_t +glusterd_conn_build_socket_filepath (char *rundir, uuid_t uuid, + char *socketpath, int len) +{ + char sockfilepath[PATH_MAX] = {0,}; + + snprintf (sockfilepath, sizeof (sockfilepath), "%s/run-%s", + rundir, uuid_utoa (uuid)); + + glusterd_set_socket_filepath (sockfilepath, socketpath, len); + return 0; +} |