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/*
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;
}
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