bool
Axis2QpidReceiver::start(
void)
{
if(!conf_ctx)
return false;
Connection connection;
axis2_bool_t serverSide = AXIS2_TRUE;
serverSide = axis2_amqp_util_conf_ctx_get_server_side(conf_ctx, env);
while(true)
{
try
{
std::list<string> queueNameList;
string qpidBrokerIP = axis2_amqp_util_conf_ctx_get_qpid_broker_ip(conf_ctx, env);
int qpidBrokerPort = axis2_amqp_util_conf_ctx_get_qpid_broker_port(conf_ctx, env);
/* Check if Client Side and Resolve Dynamic Queue Name */
if(serverSide == AXIS2_TRUE) /* Server side */
{
std::cout << "Connecting to Qpid Broker on " << qpidBrokerIP << ":"
<< qpidBrokerPort << " ... ";
}
/* Create Connection to Qpid Broker */
connection.open(qpidBrokerIP, qpidBrokerPort);
if(serverSide == AXIS2_TRUE) /* Server side */
{
/* Create queue for each service. Queue name is equal to service name */
axis2_conf_t* conf = axis2_conf_ctx_get_conf(conf_ctx, env);
if(!conf)
return false;
axutil_hash_t* serviceMap = axis2_conf_get_all_svcs(conf, env);
if(!serviceMap)
return false;
axutil_hash_index_t* serviceHI = NULL;
void* serviceValue = NULL;
for(serviceHI = axutil_hash_first(serviceMap, env); serviceHI; serviceHI
= axutil_hash_next(env, serviceHI))
{
axutil_hash_this(serviceHI, NULL, NULL, &serviceValue);
axis2_svc_t* service = (axis2_svc_t*)serviceValue;
if(!service)
return false;
axis2_char_t* serviceName = axutil_qname_get_localpart(axis2_svc_get_qname(
service, env), env);
if(!serviceName)
return false;
queueNameList.push_back(serviceName);
}
std::cout << "CONNECTED" << std::endl;
}
else /* Client side separate listener in dual-channel case */
{
string queueName = axis2_amqp_util_conf_ctx_get_dual_channel_queue_name(conf_ctx,
env);
queueNameList.push_back(queueName);
}
/* Create new session */
Session session = connection.newSession();
/* Create Subscription manager */
SubscriptionManager subscriptionManager(session);
Axis2QpidReceiverListener qpidReceiverListener(env, conf_ctx);
/* Subscribe to queues */
while(!queueNameList.empty())
{
string queueName = queueNameList.front();
session.queueDeclare(arg::queue = queueName, arg::autoDelete = true);
session.exchangeBind(arg::exchange = AXIS2_AMQP_EXCHANGE_DIRECT, arg::queue
= queueName, arg::bindingKey = queueName);
subscriptionManager.subscribe(qpidReceiverListener, queueName);
queueNameList.pop_front();
}
/* Listen and Wait */
if(serverSide == AXIS2_TRUE) /* Server side */
{
std::cout << "Started Axis2 AMQP Server ..." << std::endl;
}
subscriptionManager.run();
return true;
}
catch(const std::exception& e)
{
connection.close();
if(serverSide == AXIS2_TRUE) /* Server side */
{
std::cout << "FAILED" << std::endl;
}
sleep(5);
}
}
connection.close();
return false;
}
/* This is the function where threads start running */
void *AXIS2_THREAD_FUNC
axis2_udp_receiver_thread_worker_func(
axutil_thread_t * thd,
void *data)
{
const axutil_env_t *env = NULL;
axis2_status_t status = AXIS2_FAILURE;
axis2_conf_t *conf = NULL;
axis2_svc_t *svc = NULL;
axis2_udp_recv_thd_args_t *args = NULL;
axis2_udp_response_t response;
axutil_hash_index_t *hi = NULL;
axutil_hash_t *ori_all_svcs = NULL, *all_svcs = NULL;
void *val = NULL;
args = (axis2_udp_recv_thd_args_t *) data;
env = (axutil_env_t *) args->env;
conf = axis2_conf_ctx_get_conf(args->conf_ctx, env);
/* Get all the service discriptions */
ori_all_svcs = axis2_conf_get_all_svcs(conf, env);
if (!ori_all_svcs)
{
return NULL;
}
all_svcs = axutil_hash_copy(ori_all_svcs, env);
if (args->is_multicast)
{
/* If multicast we go through every service and try to figure out weather they are
accepting multicast messages. If a service accepts a multicast message we send the
request to that service bypassing the normal dispatchers. Dispatchers cannot be
used since no dispatching information is found in the multicast messages
*/
for (hi = axutil_hash_first(all_svcs, env); hi;
hi = axutil_hash_next(env, hi))
{
axutil_hash_this(hi, NULL, NULL, &val);
svc = (axis2_svc_t *) val;
if (svc)
{
axutil_param_t *param = NULL;
axis2_char_t *param_val = NULL;
/* Get the Multicast accept parameter from the services.xml */
param = axis2_svc_get_param(svc, env, AXIS2_UDP_MULTICAST_ACCEPT);
if (!param)
{
continue;
}
/* check weather this service accepts multicast requests */
param_val = axutil_param_get_value(param, env);
if (!param_val || !axutil_strcmp(param_val, "false") || axutil_strcmp(param_val, "true"))
{
continue;
}
response.buf_size = 0;
response.buff = NULL;
/* set the service to the request. This will bypass the dispatches */
args->request.svc = svc;
/* Process the request */
status = axis2_udp_receiver_process_request(args->env, args->conf_ctx,
&args->request, &response);
if (status == AXIS2_FAILURE)
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Error processing the request.");
return NULL;
}
/* If we have a response send it */
if (response.buff)
{
status = axutil_network_handler_send_dgram(env, args->send_socket,
response.buff, &response.buf_size,
args->req_addr, args->req_port, NULL);
if (status == AXIS2_FAILURE)
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Error sending the response.");
return NULL;
}
}
}
}
}
else
{
axis2_ctx_t *ctx = NULL;
axutil_property_t *prop = NULL;
axis2_udp_backchannel_info_t *binfo = NULL;
ctx = axis2_conf_ctx_get_base(args->conf_ctx, env);
prop = axis2_ctx_get_property(ctx, env, AXIS2_UDP_BACKCHANNEL_INFO);
if (prop)
{
binfo = axutil_property_get_value(prop, env);
}
/* Unicast case. In this case message contains dispatching information.
* So we send the request in the normal way
*/
response.buf_size = 0;
response.buff = NULL;
if (binfo)
{
args->request.svc = binfo->svc;
args->request.op = binfo->op;
}
/* Process the request */
status = axis2_udp_receiver_process_request(args->env, args->conf_ctx,
&args->request, &response);
if (status == AXIS2_FAILURE)
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Error processing the request.");
return NULL;
}
/* If we have a response send it */
if (response.buff)
{
status = axutil_network_handler_send_dgram(env, args->send_socket,
response.buff, &response.buf_size,
args->req_addr, args->req_port, NULL);
if (status == AXIS2_FAILURE)
{
AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Error sending the response.");
return NULL;
}
}
}
return NULL;
}
