static int camqp_connect (camqp_config_t *conf) /* {{{ */
{
amqp_rpc_reply_t reply;
int sockfd;
int status;
if (conf->connection != NULL)
return (0);
conf->connection = amqp_new_connection ();
if (conf->connection == NULL)
{
ERROR ("amqp plugin: amqp_new_connection failed.");
return (ENOMEM);
}
sockfd = amqp_open_socket (CONF(conf, host), conf->port);
if (sockfd < 0)
{
char errbuf[1024];
status = (-1) * sockfd;
ERROR ("amqp plugin: amqp_open_socket failed: %s",
sstrerror (status, errbuf, sizeof (errbuf)));
amqp_destroy_connection (conf->connection);
conf->connection = NULL;
return (status);
}
amqp_set_sockfd (conf->connection, sockfd);
reply = amqp_login (conf->connection, CONF(conf, vhost),
/* channel max = */ 0,
/* frame max = */ 131072,
/* heartbeat = */ 0,
/* authentication = */ AMQP_SASL_METHOD_PLAIN,
CONF(conf, user), CONF(conf, password));
if (reply.reply_type != AMQP_RESPONSE_NORMAL)
{
ERROR ("amqp plugin: amqp_login (vhost = %s, user = %s) failed.",
CONF(conf, vhost), CONF(conf, user));
amqp_destroy_connection (conf->connection);
close (sockfd);
conf->connection = NULL;
return (1);
}
amqp_channel_open (conf->connection, /* channel = */ 1);
/* FIXME: Is checking "reply.reply_type" really correct here? How does
* it get set? --octo */
if (reply.reply_type != AMQP_RESPONSE_NORMAL)
{
ERROR ("amqp plugin: amqp_channel_open failed.");
amqp_connection_close (conf->connection, AMQP_REPLY_SUCCESS);
amqp_destroy_connection (conf->connection);
close(sockfd);
conf->connection = NULL;
return (1);
}
INFO ("amqp plugin: Successfully opened connection to vhost \"%s\" "
"on %s:%i.", CONF(conf, vhost), CONF(conf, host), conf->port);
status = camqp_create_exchange (conf);
if (status != 0)
return (status);
if (!conf->publish)
return (camqp_setup_queue (conf));
return (0);
} /* }}} int camqp_connect */
static int camqp_connect (camqp_config_t *conf) /* {{{ */
{
static time_t last_connect_time = 0;
amqp_rpc_reply_t reply;
int status;
#ifdef HAVE_AMQP_TCP_SOCKET
amqp_socket_t *socket;
#else
int sockfd;
#endif
if (conf->connection != NULL)
return (0);
time_t now = time(NULL);
if (now < (last_connect_time + conf->connection_retry_delay))
{
DEBUG("amqp plugin: skipping connection retry, "
"ConnectionRetryDelay: %d", conf->connection_retry_delay);
return(1);
}
else
{
DEBUG ("amqp plugin: retrying connection");
last_connect_time = now;
}
conf->connection = amqp_new_connection ();
if (conf->connection == NULL)
{
ERROR ("amqp plugin: amqp_new_connection failed.");
return (ENOMEM);
}
#ifdef HAVE_AMQP_TCP_SOCKET
# define CLOSE_SOCKET() /* amqp_destroy_connection() closes the socket for us */
/* TODO: add support for SSL using amqp_ssl_socket_new
* and related functions */
socket = amqp_tcp_socket_new (conf->connection);
if (! socket)
{
ERROR ("amqp plugin: amqp_tcp_socket_new failed.");
amqp_destroy_connection (conf->connection);
conf->connection = NULL;
return (ENOMEM);
}
status = amqp_socket_open (socket, CONF(conf, host), conf->port);
if (status < 0)
{
char errbuf[1024];
status *= -1;
ERROR ("amqp plugin: amqp_socket_open failed: %s",
sstrerror (status, errbuf, sizeof (errbuf)));
amqp_destroy_connection (conf->connection);
conf->connection = NULL;
return (status);
}
#else /* HAVE_AMQP_TCP_SOCKET */
# define CLOSE_SOCKET() close(sockfd)
/* this interface is deprecated as of rabbitmq-c 0.4 */
sockfd = amqp_open_socket (CONF(conf, host), conf->port);
if (sockfd < 0)
{
char errbuf[1024];
status = (-1) * sockfd;
ERROR ("amqp plugin: amqp_open_socket failed: %s",
sstrerror (status, errbuf, sizeof (errbuf)));
amqp_destroy_connection (conf->connection);
conf->connection = NULL;
return (status);
}
amqp_set_sockfd (conf->connection, sockfd);
#endif
reply = amqp_login (conf->connection, CONF(conf, vhost),
/* channel max = */ 0,
/* frame max = */ 131072,
/* heartbeat = */ 0,
/* authentication = */ AMQP_SASL_METHOD_PLAIN,
CONF(conf, user), CONF(conf, password));
if (reply.reply_type != AMQP_RESPONSE_NORMAL)
{
ERROR ("amqp plugin: amqp_login (vhost = %s, user = %s) failed.",
CONF(conf, vhost), CONF(conf, user));
amqp_destroy_connection (conf->connection);
CLOSE_SOCKET ();
conf->connection = NULL;
return (1);
}
amqp_channel_open (conf->connection, /* channel = */ 1);
/* FIXME: Is checking "reply.reply_type" really correct here? How does
* it get set? --octo */
if (reply.reply_type != AMQP_RESPONSE_NORMAL)
{
ERROR ("amqp plugin: amqp_channel_open failed.");
amqp_connection_close (conf->connection, AMQP_REPLY_SUCCESS);
amqp_destroy_connection (conf->connection);
CLOSE_SOCKET ();
conf->connection = NULL;
return (1);
}
INFO ("amqp plugin: Successfully opened connection to vhost \"%s\" "
"on %s:%i.", CONF(conf, vhost), CONF(conf, host), conf->port);
status = camqp_create_exchange (conf);
if (status != 0)
return (status);
if (!conf->publish)
return (camqp_setup_queue (conf));
return (0);
} /* }}} int camqp_connect */