/**
* Declares a persistent, non-exclusive and non-passive queue that
* auto-deletes after all the messages have been consumed.
* @param my_session MQ_SESSION instance used to declare the queue
* @param qname Name of the queue to be declared
* @return Returns 0 if an error occurred, 1 if successful
*/
int declareQueue(MQ_INSTANCE *my_instance, MQ_SESSION* my_session, char* qname)
{
int success = 1;
amqp_rpc_reply_t reply;
spinlock_acquire(&my_instance->rconn_lock);
amqp_queue_declare(my_instance->conn,my_instance->channel,
amqp_cstring_bytes(qname),
0, 1, 0, 1,
amqp_empty_table);
reply = amqp_get_rpc_reply(my_instance->conn);
if(reply.reply_type != AMQP_RESPONSE_NORMAL){
success = 0;
skygw_log_write(LOGFILE_ERROR,
"Error : Queue declaration failed.");
}
amqp_queue_bind(my_instance->conn,my_instance->channel,
amqp_cstring_bytes(qname),
amqp_cstring_bytes(my_instance->exchange),
amqp_cstring_bytes(my_session->uid),
amqp_empty_table);
reply = amqp_get_rpc_reply(my_instance->conn);
if(reply.reply_type != AMQP_RESPONSE_NORMAL){
success = 0;
skygw_log_write(LOGFILE_ERROR,
"Error : Failed to bind queue to exchange.");
}
spinlock_release(&my_instance->rconn_lock);
return success;
}
int main(int argc, char const * const *argv) {
char const *hostname;
int port;
char const *exchange;
char const *bindingkey;
int sockfd;
amqp_connection_state_t conn;
amqp_bytes_t queuename;
if (argc < 3) {
fprintf(stderr, "Usage: amqp_consumer host port\n");
return 1;
}
hostname = argv[1];
port = atoi(argv[2]);
exchange = "amq.direct"; /* argv[3]; */
bindingkey = "test queue"; /* argv[4]; */
conn = amqp_new_connection();
die_on_error(sockfd = amqp_open_socket(hostname, port), "Opening socket");
amqp_set_sockfd(conn, sockfd);
die_on_amqp_error(amqp_login(conn, "/", 0, 131072, 0, AMQP_SASL_METHOD_PLAIN, "guest", "guest"),
"Logging in");
amqp_channel_open(conn, 1);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Opening channel");
{
amqp_queue_declare_ok_t *r = amqp_queue_declare(conn, 1, amqp_empty_bytes, 0, 0, 0, 1,
amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Declaring queue");
queuename = amqp_bytes_malloc_dup(r->queue);
if (queuename.bytes == NULL) {
fprintf(stderr, "Out of memory while copying queue name");
return 1;
}
}
amqp_queue_bind(conn, 1, queuename, amqp_cstring_bytes(exchange), amqp_cstring_bytes(bindingkey),
amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Binding queue");
amqp_basic_consume(conn, 1, queuename, amqp_empty_bytes, 0, 1, 0, amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Consuming");
run(conn);
die_on_amqp_error(amqp_channel_close(conn, 1, AMQP_REPLY_SUCCESS), "Closing channel");
die_on_amqp_error(amqp_connection_close(conn, AMQP_REPLY_SUCCESS), "Closing connection");
die_on_error(amqp_destroy_connection(conn), "Ending connection");
return 0;
}
void
RabbitMQConnection::bindQueue (const std::string &queue_name,
const std::string &exchange_name)
{
amqp_bytes_t queue = amqp_cstring_bytes (queue_name.c_str() );
amqp_bytes_t exchange = amqp_cstring_bytes (exchange_name.c_str() );
amqp_queue_bind (conn, 1, queue, exchange, amqp_empty_bytes,
amqp_empty_table);
exception_on_error (amqp_get_rpc_reply (conn), "Binding queue");
}
eSquere * eSquere::Bind(std::string routekey, std::string qname, std::string exname){
if(this->IsError()) return this;
amqp_queue_bind(
this->connect,
1,
amqp_cstring_bytes(qname.c_str()),
amqp_cstring_bytes(exname.c_str()),
amqp_cstring_bytes(routekey.c_str()),
this->BindParametrs);
return this->ErrorRPC("Binding queue");
}
eSquere * eSquere::Bind(){
if(this->IsError()) return this;
amqp_queue_bind(
this->connect,
1,
amqp_cstring_bytes(this->queuename.c_str()),
amqp_cstring_bytes(this->exchange.c_str()),
amqp_cstring_bytes(this->routingkey.c_str()),
this->BindParametrs);
return this->ErrorRPC("Binding queue");
}
bool initAmqp(amqp_connection_state_t &conn, amqp_socket_t *socket, int &status, amqp_bytes_t &queuename) {
conn = amqp_new_connection();
socket = amqp_tcp_socket_new(conn);
if (!socket) {
die("creating TCP socket");
return false;
}
status = amqp_socket_open(socket, hostname, port);
if (status) {
die("opening TCP socket");
return false;
}
if (!die_on_amqp_error(amqp_login(conn, "/", 0, 131072, 0, AMQP_SASL_METHOD_PLAIN, amqp_user, amqp_pass), "Logging in")) {
return false;
};
amqp_channel_open(conn, 1);
if (!die_on_amqp_error(amqp_get_rpc_reply(conn), "Opening channel")) {
return false;
}
// passive 0 durable 1 auto-delete 0 internal 0 exchange
amqp_exchange_declare_ok_t_ *er = amqp_exchange_declare(conn, 1, amqp_cstring_bytes(exchange), amqp_cstring_bytes(exchange_type), 0, 1, 0, 0, amqp_empty_table);
if (!die_on_amqp_error(amqp_get_rpc_reply(conn), "Declaring exchange")) {
return false;
}
// passive 0 durable 1 exclusive 0 auto-delete 0 queue
amqp_queue_declare_ok_t *r = amqp_queue_declare(conn, 1, amqp_cstring_bytes(bindingkey), 0, 1, 0, 0, amqp_empty_table);
if (!die_on_amqp_error(amqp_get_rpc_reply(conn), "Declaring queue")) {
return false;
}
queuename = amqp_bytes_malloc_dup(r->queue);
if (queuename.bytes == NULL) {
fprintf(stderr, "Out of memory while copying queue name");
return false;
}
amqp_queue_bind(conn, 1, queuename, amqp_cstring_bytes(exchange), amqp_cstring_bytes(bindingkey), amqp_empty_table);
if (!die_on_amqp_error(amqp_get_rpc_reply(conn), "Binding queue")) {
return false;
}
// no-local 0 no-ack 0 exclusive 0 consumer
amqp_basic_consume(conn, 1, queuename, amqp_cstring_bytes(consumer_name), 1, 0, 0, amqp_empty_table);
if (!die_on_amqp_error(amqp_get_rpc_reply(conn), "Consuming")) {
return false;
}
return true;
}
int main(int argc, char const *const *argv)
{
char const *hostname;
int port, status;
char const *exchange;
char const *bindingkey;
char const *queue;
amqp_socket_t *socket = NULL;
amqp_connection_state_t conn;
if (argc < 6) {
fprintf(stderr, "Usage: amqp_bind host port exchange bindingkey queue\n");
return 1;
}
hostname = argv[1];
port = atoi(argv[2]);
exchange = argv[3];
bindingkey = argv[4];
queue = argv[5];
conn = amqp_new_connection();
socket = amqp_tcp_socket_new();
if (!socket) {
die("creating TCP socket");
}
status = amqp_socket_open(socket, hostname, port);
if (status) {
die("opening TCP socket");
}
amqp_set_socket(conn, socket);
die_on_amqp_error(amqp_login(conn, "/", 0, 131072, 0, AMQP_SASL_METHOD_PLAIN, "guest", "guest"),
"Logging in");
amqp_channel_open(conn, 1);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Opening channel");
amqp_queue_bind(conn, 1,
amqp_cstring_bytes(queue),
amqp_cstring_bytes(exchange),
amqp_cstring_bytes(bindingkey),
amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Unbinding");
die_on_amqp_error(amqp_channel_close(conn, 1, AMQP_REPLY_SUCCESS), "Closing channel");
die_on_amqp_error(amqp_connection_close(conn, AMQP_REPLY_SUCCESS), "Closing connection");
die_on_error(amqp_destroy_connection(conn), "Ending connection");
return 0;
}
void RabbitInBoundConnectionPoint::ConnectPoint() throw (ConnectException)
{
ConnectRabbit();
amqp_exchange_declare(_conn, 1, amqp_cstring_bytes(_exchange), amqp_cstring_bytes(_exchangetype),
0, 1, amqp_empty_table);
GetRabbitError("Declaracion Exchange");
amqp_queue_declare(_conn, 1, amqp_cstring_bytes(_queue), 0, 1, 0, 0, amqp_empty_table);
GetRabbitError("Declaracion Queue");
amqp_queue_bind(_conn, 1, amqp_cstring_bytes(_queue), amqp_cstring_bytes(_exchange), amqp_cstring_bytes(_routingKey),
amqp_empty_table);
GetRabbitError("Binding Queue");
amqp_basic_consume(_conn, 1, amqp_cstring_bytes(_queue), amqp_empty_bytes, 0, 0, 0, amqp_empty_table);
GetRabbitError("Binding Queue");
}
void MQChannel::BindQueue(const MQQueueParams &queue, const MQExchangeParams &exchange,
const std::string &bindingKey, uint32_t flags)
{
if (!(flags & SkipDeclareQueue)) {
this->DeclareQueue(queue);
}
if (!(flags & SkipDeclareExchange)) {
this->DeclareExchange(exchange);
}
amqp_queue_bind(
mConn,
mChannel,
amqp_cstring_bytes(queue.name.c_str()),
amqp_cstring_bytes(exchange.name.c_str()),
amqp_cstring_bytes(bindingKey.c_str()),
amqp_empty_table);
}
void Channel::binding(const std::string& routing_key){
if(this->queue_name.empty()){
amqp_queue_declare_ok_t *r = amqp_queue_declare(this->conn_ptr->_getconn_n(),
this->channel_n, amqp_empty_bytes, 0, 0, 1, 1,amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(this->conn_ptr->_getconn_n()), "Declaring queue");
amqp_bytes_t listen_quque = amqp_bytes_malloc_dup(r->queue);
if (listen_quque.bytes == NULL) {
Log::log.error("Out of memory while copying queue name");
}
char str[listen_quque.len+1];
for(unsigned int i=0;i<listen_quque.len;i++){
str[i]=((char*)listen_quque.bytes)[i];
}
str[listen_quque.len]='\0';
this->queue_name=std::string(str);
}
//binding
amqp_queue_bind(this->conn_ptr->_getconn_n(), this->channel_n,
amqp_cstring_bytes(this->queue_name.c_str()),
amqp_cstring_bytes(this->conn_ptr->getDefaultExchange().c_str()),
amqp_cstring_bytes(routing_key.c_str()),
amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(this->conn_ptr->_getconn_n()), "Binding");
}
static int lc_bus_binding_init(amqp_connection_state_t *conn, uint32_t binding_id)
{
uint32_t exchange_id, queue_id;
amqp_queue_bind_ok_t *res = NULL;
amqp_rpc_reply_t ret;
if (binding_id >= NUM_LC_BUS_BINDING) {
return LC_BUS_ERR;
}
exchange_id = lc_bus_binding[binding_id][0];
queue_id = lc_bus_binding[binding_id][1];
res = amqp_queue_bind(
*conn,
LC_BUS_CHANNEL,
amqp_cstring_bytes(lc_bus_queue[queue_id]),
amqp_cstring_bytes(lc_bus_exchange[exchange_id][0]),
amqp_cstring_bytes(lc_bus_binding_key[binding_id]),
amqp_empty_table /* arguments */
);
if (!res) {
ret = amqp_get_rpc_reply(*conn);
if (ret.reply_type != AMQP_RESPONSE_NORMAL) {
LB_SYSLOG(LOG_ERR, "[%s,%s,%s] failed, channel=%u %s\n",
lc_bus_exchange[exchange_id][0], lc_bus_queue[queue_id],
lc_bus_binding_key[binding_id],
LC_BUS_CHANNEL, amqp_rpc_reply_string(&ret));
return LC_BUS_ERR;
}
}
LB_SYSLOG(LOG_INFO, "[%s,%s,%s] succeed channel=%u.\n",
lc_bus_exchange[exchange_id][0], lc_bus_queue[queue_id],
lc_bus_binding_key[binding_id], LC_BUS_CHANNEL);
return LC_BUS_OK;
}
/**
* Internal function used to initialize the connection to
* the RabbitMQ server. Also used to reconnect to the server
* in case the connection fails and to redeclare exchanges
* and queues if they are lost
*
*/
static int
init_conn(MQ_INSTANCE *my_instance)
{
int rval = 0;
int amqp_ok = AMQP_STATUS_OK;
if(my_instance->use_ssl){
if((my_instance->sock = amqp_ssl_socket_new(my_instance->conn)) != NULL){
if((amqp_ok = amqp_ssl_socket_set_cacert(my_instance->sock,my_instance->ssl_CA_cert)) != AMQP_STATUS_OK){
skygw_log_write(LOGFILE_ERROR,
"Error : Failed to set CA certificate: %s", amqp_error_string2(amqp_ok));
goto cleanup;
}
if((amqp_ok = amqp_ssl_socket_set_key(my_instance->sock,
my_instance->ssl_client_cert,
my_instance->ssl_client_key)) != AMQP_STATUS_OK){
skygw_log_write(LOGFILE_ERROR,
"Error : Failed to set client certificate and key: %s", amqp_error_string2(amqp_ok));
goto cleanup;
}
}else{
amqp_ok = AMQP_STATUS_SSL_CONNECTION_FAILED;
skygw_log_write(LOGFILE_ERROR,
"Error : SSL socket creation failed.");
goto cleanup;
}
/**SSL is not used, falling back to TCP*/
}else if((my_instance->sock = amqp_tcp_socket_new(my_instance->conn)) == NULL){
skygw_log_write(LOGFILE_ERROR,
"Error : TCP socket creation failed.");
goto cleanup;
}
/**Socket creation was successful, trying to open the socket*/
if((amqp_ok = amqp_socket_open(my_instance->sock,my_instance->hostname,my_instance->port)) != AMQP_STATUS_OK){
skygw_log_write(LOGFILE_ERROR,
"Error : Failed to open socket: %s", amqp_error_string2(amqp_ok));
goto cleanup;
}
amqp_rpc_reply_t reply;
reply = amqp_login(my_instance->conn,my_instance->vhost,0,AMQP_DEFAULT_FRAME_SIZE,0,AMQP_SASL_METHOD_PLAIN,my_instance->username,my_instance->password);
if(reply.reply_type != AMQP_RESPONSE_NORMAL){
skygw_log_write(LOGFILE_ERROR,
"Error : Login to RabbitMQ server failed.");
goto cleanup;
}
amqp_channel_open(my_instance->conn,my_instance->channel);
reply = amqp_get_rpc_reply(my_instance->conn);
if(reply.reply_type != AMQP_RESPONSE_NORMAL){
skygw_log_write(LOGFILE_ERROR,
"Error : Channel creation failed.");
goto cleanup;
}
amqp_exchange_declare(my_instance->conn,my_instance->channel,
amqp_cstring_bytes(my_instance->exchange),
amqp_cstring_bytes(my_instance->exchange_type),
0, 1,
amqp_empty_table);
reply = amqp_get_rpc_reply(my_instance->conn);
if(reply.reply_type != AMQP_RESPONSE_NORMAL){
skygw_log_write(LOGFILE_ERROR,
"Error : Exchange declaration failed,trying to redeclare the exchange.");
if(reply.reply_type == AMQP_RESPONSE_SERVER_EXCEPTION){
if(reply.reply.id == AMQP_CHANNEL_CLOSE_METHOD){
amqp_send_method(my_instance->conn,my_instance->channel,AMQP_CHANNEL_CLOSE_OK_METHOD,NULL);
}else if(reply.reply.id == AMQP_CONNECTION_CLOSE_METHOD){
amqp_send_method(my_instance->conn,my_instance->channel,AMQP_CONNECTION_CLOSE_OK_METHOD,NULL);
}
my_instance->channel++;
amqp_channel_open(my_instance->conn,my_instance->channel);
amqp_exchange_delete(my_instance->conn,my_instance->channel,amqp_cstring_bytes(my_instance->exchange),0);
amqp_exchange_declare(my_instance->conn,my_instance->channel,
amqp_cstring_bytes(my_instance->exchange),
amqp_cstring_bytes(my_instance->exchange_type),
0, 1,
amqp_empty_table);
reply = amqp_get_rpc_reply(my_instance->conn);
}
if(reply.reply_type != AMQP_RESPONSE_NORMAL){
skygw_log_write(LOGFILE_ERROR,
"Error : Exchange redeclaration failed.");
goto cleanup;
}
}
if(my_instance->queue){
amqp_queue_declare(my_instance->conn,my_instance->channel,
amqp_cstring_bytes(my_instance->queue),
0, 1, 0, 0,
amqp_empty_table);
reply = amqp_get_rpc_reply(my_instance->conn);
if(reply.reply_type != AMQP_RESPONSE_NORMAL){
skygw_log_write(LOGFILE_ERROR,
"Error : Queue declaration failed.");
goto cleanup;
}
amqp_queue_bind(my_instance->conn,my_instance->channel,
amqp_cstring_bytes(my_instance->queue),
amqp_cstring_bytes(my_instance->exchange),
amqp_cstring_bytes(my_instance->key),
amqp_empty_table);
reply = amqp_get_rpc_reply(my_instance->conn);
if(reply.reply_type != AMQP_RESPONSE_NORMAL){
skygw_log_write(LOGFILE_ERROR,
"Error : Failed to bind queue to exchange.");
goto cleanup;
}
}
rval = 1;
cleanup:
return rval;
}
int main(int argc, const char **argv) {
const char *hostname;
int port;
const char *exchange;
const char *routingkey;
const char *exchangetype = "direct";
if (argc < 5) {
fprintf(stderr, "Usage: receive_logs_direct host port exchange routingkeys...\n");
return 1;
}
hostname = argv[1];
port = atoi(argv[2]);
exchange = argv[3];
int sockfd;
int channelid = 1;
amqp_connection_state_t conn;
conn = amqp_new_connection();
die_on_error(sockfd = amqp_open_socket(hostname, port), "Opening socket");
amqp_set_sockfd(conn, sockfd);
die_on_amqp_error(amqp_login(conn, "/", 0, 131072, 0, AMQP_SASL_METHOD_PLAIN, "guest", "guest"),"Logging in");
amqp_channel_open(conn, channelid);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Opening channel");
amqp_exchange_declare(conn,channelid,amqp_cstring_bytes(exchange),amqp_cstring_bytes(exchangetype),0,1,
amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn),"Declaring exchange");
amqp_queue_declare_ok_t *r = amqp_queue_declare(conn,channelid,amqp_empty_bytes,0,0,1,0,amqp_empty_table);
int i;
for(i = 4;i < argc;i++)
{
routingkey = argv[i];
amqp_queue_bind(conn,channelid,amqp_bytes_malloc_dup(r->queue),amqp_cstring_bytes(exchange),
amqp_cstring_bytes(routingkey),amqp_empty_table);
}
amqp_basic_qos(conn,channelid,0,1,0);
amqp_basic_consume(conn,channelid,amqp_bytes_malloc_dup(r->queue),amqp_empty_bytes,0,0,0,amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Consuming");
{
amqp_frame_t frame;
int result;
amqp_basic_deliver_t *d;
amqp_basic_properties_t *p;
size_t body_target;
size_t body_received;
while (1) {
amqp_maybe_release_buffers(conn);
result = amqp_simple_wait_frame(conn, &frame);
printf("Result %d\n", result);
if (result < 0)
break;
printf("Frame type %d, channel %d\n", frame.frame_type, frame.channel);
if (frame.frame_type != AMQP_FRAME_METHOD)
continue;
printf("Method %s\n", amqp_method_name(frame.payload.method.id));
if (frame.payload.method.id != AMQP_BASIC_DELIVER_METHOD)
continue;
d = (amqp_basic_deliver_t *) frame.payload.method.decoded;
printf("Delivery %u, exchange %.*s routingkey %.*s\n",(unsigned) d->delivery_tag,
(int) d->exchange.len, (char *) d->exchange.bytes,
(int) d->routing_key.len, (char *) d->routing_key.bytes);
result = amqp_simple_wait_frame(conn, &frame);
if (result < 0)
break;
if (frame.frame_type != AMQP_FRAME_HEADER) {
fprintf(stderr, "Expected header!");
abort();
}
p = (amqp_basic_properties_t *) frame.payload.properties.decoded;
if (p->_flags & AMQP_BASIC_CONTENT_TYPE_FLAG) {
printf("Content-type: %.*s\n",
(int) p->content_type.len, (char *) p->content_type.bytes);
}
body_target = frame.payload.properties.body_size;
body_received = 0;
int sleep_seconds = 0;
while (body_received < body_target) {
result = amqp_simple_wait_frame(conn, &frame);
if (result < 0)
break;
if (frame.frame_type != AMQP_FRAME_BODY) {
fprintf(stderr, "Expected body!");
abort();
}
body_received += frame.payload.body_fragment.len;
assert(body_received <= body_target);
int i;
for(i = 0; i<frame.payload.body_fragment.len; i++)
{
printf("%c",*((char*)frame.payload.body_fragment.bytes+i));
if(*((char*)frame.payload.body_fragment.bytes+i) == '.')
sleep_seconds++;
}
printf("\n");
}
if (body_received != body_target) {
/* Can only happen when amqp_simple_wait_frame returns <= 0 */
/* We break here to close the connection */
break;
}
/* do something */
sleep(sleep_seconds);
amqp_basic_ack(conn,channelid,d->delivery_tag,0);
}
}
die_on_amqp_error(amqp_channel_close(conn, 1, AMQP_REPLY_SUCCESS), "Closing channel");
die_on_amqp_error(amqp_connection_close(conn, AMQP_REPLY_SUCCESS), "Closing connection");
die_on_error(amqp_destroy_connection(conn), "Ending connection");
return 0;
}
int main(int argc, char const *const *argv)
{
char const *hostname;
int port, status;
char const *exchange;
char const *bindingkey;
amqp_socket_t *socket = NULL;
amqp_connection_state_t conn;
amqp_bytes_t queuename;
if (argc < 5) {
fprintf(stderr, "Usage: amqp_listen host port exchange bindingkey\n");
return 1;
}
hostname = argv[1];
port = atoi(argv[2]);
exchange = argv[3];
bindingkey = argv[4];
conn = amqp_new_connection();
socket = amqp_tcp_socket_new(conn);
if (!socket) {
die("creating TCP socket");
}
status = amqp_socket_open(socket, hostname, port);
if (status) {
die("opening TCP socket");
}
die_on_amqp_error(amqp_login(conn, "/", 0, 131072, 0, AMQP_SASL_METHOD_PLAIN, "guest", "guest"),
"Logging in");
amqp_channel_open(conn, 1);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Opening channel");
{
amqp_queue_declare_ok_t *r = amqp_queue_declare(conn, 1, amqp_empty_bytes, 0, 0, 0, 1,
amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Declaring queue");
queuename = amqp_bytes_malloc_dup(r->queue);
if (queuename.bytes == NULL) {
fprintf(stderr, "Out of memory while copying queue name");
return 1;
}
}
amqp_queue_bind(conn, 1, queuename, amqp_cstring_bytes(exchange), amqp_cstring_bytes(bindingkey),
amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Binding queue");
amqp_basic_consume(conn, 1, queuename, amqp_empty_bytes, 0, 1, 0, amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Consuming");
{
while (1) {
amqp_rpc_reply_t res;
amqp_envelope_t envelope;
amqp_maybe_release_buffers(conn);
res = amqp_consume_message(conn, &envelope, NULL, 0);
if (AMQP_RESPONSE_NORMAL != res.reply_type) {
break;
}
printf("Delivery %u, exchange %.*s routingkey %.*s\n",
(unsigned) envelope.delivery_tag,
(int) envelope.exchange.len, (char *) envelope.exchange.bytes,
(int) envelope.routing_key.len, (char *) envelope.routing_key.bytes);
if (envelope.message.properties._flags & AMQP_BASIC_CONTENT_TYPE_FLAG) {
printf("Content-type: %.*s\n",
(int) envelope.message.properties.content_type.len,
(char *) envelope.message.properties.content_type.bytes);
}
amqp_destroy_envelope(&envelope);
}
}
die_on_amqp_error(amqp_channel_close(conn, 1, AMQP_REPLY_SUCCESS), "Closing channel");
die_on_amqp_error(amqp_connection_close(conn, AMQP_REPLY_SUCCESS), "Closing connection");
die_on_error(amqp_destroy_connection(conn), "Ending connection");
return 0;
}
int main(int argc, char **argv) {
char const *hostname = "amqpbroker"; // amqp hostname
int port = 5672; // amqp port
static int verbose_flag = 0; // be verbose?
static int foreground_flag = 0;
static int passive = 0; // declare queue passively?
static int exclusive = 0; // declare queue as exclusive?
static int durable = 0; // decalre queue as durable?
static int no_ack = 0;
static int msg_limit = 0; // maxiumum number of messages to retrieve
int const no_local = 1; // we never want to see messages we publish
int c; // for option parsing
char const *exchange = "";
char const *bindingkey = "";
char const *vhost = "/";
char const *username = "******";
char const *password = "******";
char const *program = NULL;
char const *program_args = NULL;
amqp_bytes_t queue = AMQP_EMPTY_BYTES;
int sockfd;
amqp_connection_state_t conn;
amqp_bytes_t queuename;
if (NULL != getenv("AMQP_HOST"))
hostname = getenv("AMQP_HOST");
if (NULL != getenv("AMQP_PORT"))
port = atoi(getenv("AMQP_PORT"));
port = port > 0 ? port : 5672; // 5672 is the default amqp port
if (NULL != getenv("AMQP_VHOST"))
vhost = getenv("AMQP_VHOST");
if (NULL != getenv("AMQP_USER"))
username = getenv("AMQP_USER");
if (NULL != getenv("AMQP_PASSWORD"))
password = getenv("AMQP_PASSWORD");
if (NULL != getenv("AMQP_QUEUE"))
queue = amqp_cstring_bytes(getenv("AMQP_QUEUE"));
if (NULL != getenv("AMQP_QUEUE_PASSIVE"))
passive = atoi(getenv("AMQP_QUEUE_PASSIVE"));
if (NULL != getenv("AMQP_QUEUE_EXCLUSIVE"))
exclusive = atoi(getenv("AMQP_QUEUE_EXCLUSIVE"));
if (NULL != getenv("AMQP_QUEUE_DURABLE"))
durable = atoi(getenv("AMQP_QUEUE_DURABLE"));
if (NULL != getenv("AMQP_MSG_LIMIT"))
msg_limit = atoi(getenv("AMQP_MSG_LIMIT"));
msg_limit = msg_limit > 0 ? msg_limit : 0; // default to unlimited
while(1) {
static struct option long_options[] =
{
{"verbose", no_argument, &verbose_flag, 1},
{"user", required_argument, 0, 'u'},
{"password", required_argument, 0, 'p'},
{"vhost", required_argument, 0, 'v'},
{"host", required_argument, 0, 'h'},
{"port", required_argument, 0, 'P'},
{"number", required_argument, 0, 'n'},
{"foreground", no_argument, 0, 'f'},
{"passive", no_argument, &passive, 1},
{"exclusive", no_argument, &exclusive, 1},
{"durable", no_argument, &durable, 1},
{"no-ack", no_argument, &no_ack, 1},
{"execute", required_argument, 0, 'e'},
{"queue", required_argument, 0, 'q'},
{"help", no_argument, 0, '?'},
{0, 0, 0, 0}
};
int option_index = 0;
c = getopt_long(argc, argv, "v:h:P:u:p:n:fe:q:?",
long_options, &option_index);
if(c == -1)
break;
switch(c) {
case 0: // no_argument
break;
case 'v':
vhost = optarg;
break;
case 'h':
hostname = optarg;
break;
case 'P':
port = atoi(optarg);
port = port > 0 ? port : 5672; // 5672 is the default amqp port
break;
case 'f':
foreground_flag = 1;
case 'n':
msg_limit = atoi(optarg);
msg_limit = msg_limit > 0 ? msg_limit : 0; // deafult to unlimited
break;
case 'e':
program = optarg;
break;
case 'u':
username = optarg;
break;
case 'p':
password = optarg;
break;
case 'q':
queue = amqp_cstring_bytes(optarg);
break;
case '?':
default:
print_help(argv[0]);
exit(1);
}
}
if ((argc-optind) < 2) {
print_help(argv[0]);
return 1;
}
exchange = argv[optind];
bindingkey = argv[optind+1];
if (NULL != program) {
// check that the program is executable
char *wend;
wend = strchr(program, ' ');
if(wend){
*wend = '\0';
program_args = wend+1;
}
if (0 != access(program, X_OK)) {
fprintf(stderr, "Program doesn't have execute permission, aborting: %s\n", program);
exit(-1);
}
if(wend){
*wend = ' ';
}
}
if ((passive != 0) && (passive != 1)) {
fprintf(stderr, "Queue option 'passive' must be 0 or 1: %u\n", passive);
exit(-1);
}
if ((exclusive != 0) && (exclusive != 1)) {
fprintf(stderr, "Queue option 'exclusive' must be 0 or 1: %u\n", exclusive);
exit(-1);
}
if ((durable != 0) && (durable != 1)) {
fprintf(stderr, "Queue option 'durable' must be 0 or 1: %u\n", durable);
exit(-1);
}
conn = amqp_new_connection();
die_on_error(sockfd = amqp_open_socket(hostname, port), "Opening socket");
amqp_set_sockfd(conn, sockfd);
die_on_amqp_error(amqp_login(conn, vhost,
0, /* channel_max */
10485760, /* max frame size, 10MB */
30, /* heartbeat, 30 secs */
AMQP_SASL_METHOD_PLAIN,
username, password),
"Logging in");
amqp_channel_open(conn, AMQP_CHANNEL);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Opening channel");
{
int optval = 1;
socklen_t optlen = sizeof(optlen);
setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, &optval, optlen);
}
{
amqp_queue_declare_ok_t *r = amqp_queue_declare(conn, AMQP_CHANNEL, queue, passive,
durable, exclusive, 1, AMQP_EMPTY_TABLE);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Declaring queue");
queuename = amqp_bytes_malloc_dup(r->queue);
if (queuename.bytes == NULL) {
fprintf(stderr, "Out of memory while copying queue name\n");
return 1;
}
}
amqp_queue_bind(conn, AMQP_CHANNEL, queuename, amqp_cstring_bytes(exchange),
amqp_cstring_bytes(bindingkey), AMQP_EMPTY_TABLE);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Binding queue");
/* Set our prefetch to the maximum number of messages we want to ensure we
* don't take more than we want according to --number option from user */
int prefetch_limit = DEFAULT_PREFETCH;
if (msg_limit > 0 && msg_limit <= 65535)
prefetch_limit = msg_limit;
amqp_basic_qos(conn, AMQP_CHANNEL, 0, prefetch_limit, 0);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Setting Basic QOS (prefetch limit)");
amqp_basic_consume(conn, AMQP_CHANNEL, queuename, AMQP_EMPTY_BYTES, no_local, no_ack, exclusive,
AMQP_EMPTY_TABLE);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Consuming");
// If executing a program, daemonise
if(NULL != program && 0 == foreground_flag)
{
pid_t pid, sid;
pid = fork();
if (pid < 0) {
exit(EXIT_FAILURE);
} else if(pid > 0) {
exit(EXIT_SUCCESS);
}
umask(0);
sid = setsid();
if (sid < 0)
exit(EXIT_FAILURE);
}
{
amqp_frame_t frame;
int result;
int status = 0; /* wait() status, used whether to send ACK */
amqp_basic_deliver_t *d;
amqp_basic_properties_t *p;
size_t body_target;
size_t body_received;
install_term_handler(SIGINT);
install_term_handler(SIGTERM);
install_term_handler(SIGHUP);
int msg_count = 0;
while (1) {
char tempfile[] = "/tmp/amqp.XXXXXX";
int tempfd;
// exit if we've reached our maximum message count
if((0 != msg_limit) && (msg_limit == msg_count))
break;
// we haven't reached our limit; move on to the next
msg_count++;
if(g_shutdown == 1)
break;
amqp_maybe_release_buffers(conn);
result = amqp_simple_wait_frame(conn, &frame);
//printf("Result %d\n", result);
if (result < 0)
break;
//printf("Frame type %d, channel %d\n", frame.frame_type, frame.channel);
if (frame.frame_type == AMQP_FRAME_HEARTBEAT) {
// send the same heartbeat frame back
amqp_send_frame(conn, &frame);
continue;
} else if (frame.frame_type != AMQP_FRAME_METHOD)
continue;
//printf("Method %s\n", amqp_method_name(frame.payload.method.id));
if (frame.payload.method.id != AMQP_BASIC_DELIVER_METHOD)
continue;
d = (amqp_basic_deliver_t *) frame.payload.method.decoded;
/*
printf("Delivery %u, exchange %.*s routingkey %.*s\n",
(unsigned) d->delivery_tag,
(int) d->exchange.len, (char *) d->exchange.bytes,
(int) d->routing_key.len, (char *) d->routing_key.bytes);
*/
result = amqp_simple_wait_frame(conn, &frame);
if (result < 0)
break;
if (frame.frame_type != AMQP_FRAME_HEADER) {
fprintf(stderr, "Expected header!");
abort();
}
p = (amqp_basic_properties_t *) frame.payload.properties.decoded;
/*
if (p->_flags & AMQP_BASIC_CONTENT_TYPE_FLAG) {
printf("Content-type: %.*s\n",
(int) p->content_type.len, (char *) p->content_type.bytes);
}
printf("----\n");
*/
body_target = frame.payload.properties.body_size;
body_received = 0;
tempfd = mkstemp(tempfile);
//tempfd = open(tempfile, O_WRONLY | O_CREAT | O_EXCL, 660);
while (body_received < body_target) {
result = amqp_simple_wait_frame(conn, &frame);
if (result < 0)
break;
if (frame.frame_type != AMQP_FRAME_BODY) {
fprintf(stderr, "Expected body!");
abort();
}
body_received += frame.payload.body_fragment.len;
assert(body_received <= body_target);
if (write(tempfd, frame.payload.body_fragment.bytes,
frame.payload.body_fragment.len) < 0) {
perror("Error while writing received message to temp file");
}
}
close(tempfd);
{
char *routekey = (char *)calloc(1, d->routing_key.len + 1);
strncpy(routekey, (char *)d->routing_key.bytes, d->routing_key.len);
if(NULL != program) {
// fork and run the program in the background
pid_t pid = fork();
if (pid == 0) {
if(execl(program, program, program_args, routekey, tempfile, NULL) == -1) {
perror("Could not execute program");
exit(EXIT_FAILURE);
}
} else {
status = 0;
wait(&status);
}
} else {
// print to stdout & flush.
printf("%s %s\n", routekey, tempfile);
fflush(stdout);
}
free(routekey);
}
// send ack on successful processing of the frame
if((0 == status) && (0 == no_ack))
amqp_basic_ack(conn, frame.channel, d->delivery_tag, 0);
if (body_received != body_target) {
/* Can only happen when amqp_simple_wait_frame returns <= 0 */
/* We break here to close the connection */
break;
}
}
}
die_on_amqp_error(amqp_channel_close(conn, AMQP_CHANNEL, AMQP_REPLY_SUCCESS), "Closing channel");
die_on_amqp_error(amqp_connection_close(conn, AMQP_REPLY_SUCCESS), "Closing connection");
die_on_error(amqp_destroy_connection(conn), "Ending connection");
return 0;
}
void create(int argc, char*argv[])
{
ex_name = argv[2];
qu_name = argv[3];
rt_key = argv[4];
/*
// 预清理测试
amqp_exchange_delete(conn,
channel_id,
amqp_cstring_bytes(ex_name.c_str()),
0);
check_amqp_reply("amqp delete exchange failed.", "amqp delete exchange succ.");
amqp_queue_delete(conn,
channel_id,
amqp_cstring_bytes(qu_name.c_str()),
0,
0);
check_amqp_reply("amqp delete queue failed.", "amqp delete queue succ.");
*/
amqp_exchange_declare(conn, /* state */
channel_id, /* channel */
amqp_cstring_bytes(ex_name.c_str()), /* exchange */
amqp_cstring_bytes(ex_type.c_str()), /* type */
0, /* passive */
1, /* durable */
0, /* auto_delete */
0, /* internal */
amqp_empty_table);
check_amqp_reply("amqp declare exchange failed.", "amqp declare exchange succ");
// 设置队列的优先级属性
amqp_table_t table;
table.num_entries = 1;
table.entries = (amqp_table_entry_t*)calloc(1, sizeof(amqp_table_entry_t));
table.entries[0].key = amqp_cstring_bytes("x-max-priority");
table.entries[0].value.kind = AMQP_FIELD_KIND_I16;
table.entries[0].value.value.i16 = 10;
amqp_queue_declare(conn, /* state */
channel_id, /* channel */
amqp_cstring_bytes(qu_name.c_str()), /* queue */
0, /* passive */
1, /* durable */
0, /* exclusive */
0, /* auto_delete */
//amqp_empty_table);
table);
check_amqp_reply("amqp declare queue failed.", "amqp declare queue succ.");
amqp_queue_bind(conn,
channel_id,
amqp_cstring_bytes(qu_name.c_str()),
amqp_cstring_bytes(ex_name.c_str()),
amqp_cstring_bytes(rt_key.c_str()),
amqp_empty_table);
check_amqp_reply("amqp bind queue failed.", "amqp bind queue succ");
return;
}
void * SWITCH_THREAD_FUNC mod_amqp_command_thread(switch_thread_t *thread, void *data)
{
mod_amqp_command_profile_t *profile = (mod_amqp_command_profile_t *) data;
while (profile->running) {
amqp_queue_declare_ok_t *recv_queue;
amqp_bytes_t queueName = { 0, NULL };
/* Ensure we have an AMQP connection */
if (!profile->conn_active) {
switch_status_t status;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Amqp no connection- reconnecting...\n");
status = mod_amqp_connection_open(profile->conn_root, &(profile->conn_active), profile->name, profile->custom_attr);
if ( status != SWITCH_STATUS_SUCCESS ) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Profile[%s] failed to connect with code(%d), sleeping for %dms\n",
profile->name, status, profile->reconnect_interval_ms);
switch_sleep(profile->reconnect_interval_ms * 1000);
continue;
}
/* Check if exchange already exists */
amqp_exchange_declare(profile->conn_active->state, 1,
amqp_cstring_bytes(profile->exchange),
amqp_cstring_bytes("topic"),
0, /* passive */
1, /* durable */
amqp_empty_table);
if (mod_amqp_log_if_amqp_error(amqp_get_rpc_reply(profile->conn_active->state), "Checking for command exchange")) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Profile[%s] failed to create missing command exchange", profile->name);
continue;
}
/* Ensure we have a queue */
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Creating command queue");
recv_queue = amqp_queue_declare(profile->conn_active->state, // state
1, // channel
profile->queue ? amqp_cstring_bytes(profile->queue) : amqp_empty_bytes, // queue name
0, 0, // passive, durable
0, 1, // exclusive, auto-delete
amqp_empty_table); // args
if (mod_amqp_log_if_amqp_error(amqp_get_rpc_reply(profile->conn_active->state), "Declaring queue")) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Profile[%s] failed to connect with code(%d), sleeping for %dms\n",
profile->name, status, profile->reconnect_interval_ms);
switch_sleep(profile->reconnect_interval_ms * 1000);
continue;
}
if (queueName.bytes) {
amqp_bytes_free(queueName);
}
queueName = amqp_bytes_malloc_dup(recv_queue->queue);
if (!queueName.bytes) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Out of memory while copying queue name");
break;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Created command queue %.*s", (int)queueName.len, (char *)queueName.bytes);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Binding command queue to exchange %s", profile->exchange);
/* Bind the queue to the exchange */
amqp_queue_bind(profile->conn_active->state, // state
1, // channel
queueName, // queue
amqp_cstring_bytes(profile->exchange), // exchange
amqp_cstring_bytes(profile->binding_key), // routing key
amqp_empty_table); // args
if (mod_amqp_log_if_amqp_error(amqp_get_rpc_reply(profile->conn_active->state), "Binding queue")) {
mod_amqp_connection_close(profile->conn_active);
profile->conn_active = NULL;
switch_sleep(profile->reconnect_interval_ms * 1000);
continue;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Amqp reconnect successful- connected\n");
continue;
}
// Start a command
amqp_basic_consume(profile->conn_active->state, // state
1, // channel
queueName, // queue
amqp_empty_bytes, // command tag
0, 1, 0, // no_local, no_ack, exclusive
amqp_empty_table); // args
if (mod_amqp_log_if_amqp_error(amqp_get_rpc_reply(profile->conn_active->state), "Creating a command")) {
mod_amqp_connection_close(profile->conn_active);
profile->conn_active = NULL;
switch_sleep(profile->reconnect_interval_ms * 1000);
continue;
}
while (profile->running && profile->conn_active) {
amqp_rpc_reply_t res;
amqp_envelope_t envelope;
struct timeval timeout = {0};
char command[1024];
enum ECommandFormat {
COMMAND_FORMAT_UNKNOWN,
COMMAND_FORMAT_PLAINTEXT
} commandFormat = COMMAND_FORMAT_PLAINTEXT;
char *fs_resp_exchange = NULL, *fs_resp_key = NULL;
amqp_maybe_release_buffers(profile->conn_active->state);
timeout.tv_usec = 500 * 1000;
res = amqp_consume_message(profile->conn_active->state, &envelope, &timeout, 0);
if (res.reply_type == AMQP_RESPONSE_LIBRARY_EXCEPTION) {
if (res.library_error == AMQP_STATUS_UNEXPECTED_STATE) {
/* Unexpected frame. Discard it then continue */
amqp_frame_t decoded_frame;
amqp_simple_wait_frame(profile->conn_active->state, &decoded_frame);
}
if (res.library_error == AMQP_STATUS_SOCKET_ERROR) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "A socket error occurred. Tearing down and reconnecting\n");
break;
}
if (res.library_error == AMQP_STATUS_CONNECTION_CLOSED) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "AMQP connection was closed. Tearing down and reconnecting\n");
break;
}
if (res.library_error == AMQP_STATUS_TCP_ERROR) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "A TCP error occurred. Tearing down and reconnecting\n");
break;
}
if (res.library_error == AMQP_STATUS_TIMEOUT) {
// nop
}
/* Try consuming again */
continue;
}
if (res.reply_type != AMQP_RESPONSE_NORMAL) {
break;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Delivery:%u, exchange:%.*s routingkey:%.*s\n",
(unsigned) envelope.delivery_tag, (int) envelope.exchange.len, (char *) envelope.exchange.bytes,
(int) envelope.routing_key.len, (char *) envelope.routing_key.bytes);
if (envelope.message.properties._flags & AMQP_BASIC_CONTENT_TYPE_FLAG) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Content-type: %.*s\n",
(int) envelope.message.properties.content_type.len, (char *) envelope.message.properties.content_type.bytes);
if (strncasecmp("text/plain", envelope.message.properties.content_type.bytes, strlen("text/plain")) == 0) {
commandFormat = COMMAND_FORMAT_PLAINTEXT;
} else {
commandFormat = COMMAND_FORMAT_UNKNOWN;
}
}
if (envelope.message.properties.headers.num_entries) {
int x = 0;
for ( x = 0; x < envelope.message.properties.headers.num_entries; x++) {
char *header_key = (char *)envelope.message.properties.headers.entries[x].key.bytes;
char *header_value = (char *)envelope.message.properties.headers.entries[x].value.value.bytes.bytes;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "AMQP message custom header key[%s] value[%s]\n", header_key, header_value);
if ( !strncmp(header_key, "x-fs-api-resp-exchange", 22)) {
fs_resp_exchange = header_value;
} else if (!strncmp(header_key, "x-fs-api-resp-key", 17)) {
fs_resp_key = header_value;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Ignoring unrecognized event header [%s]\n", header_key);
}
}
}
if (commandFormat == COMMAND_FORMAT_PLAINTEXT) {
switch_stream_handle_t stream = { 0 }; /* Collects the command output */
/* Convert amqp bytes to c-string */
snprintf(command, sizeof(command), "%.*s", (int) envelope.message.body.len, (char *) envelope.message.body.bytes);
/* Execute the command */
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Executing: %s\n", command);
SWITCH_STANDARD_STREAM(stream);
if ( fs_resp_exchange && fs_resp_key ) {
switch_status_t status = switch_console_execute(command, 0, &stream);
mod_amqp_command_response(profile, command, stream, fs_resp_exchange, fs_resp_key, status);
} else {
if (switch_console_execute(command, 0, &stream) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Remote command failed:\n%s\n", (char *) stream.data);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Remote command succeeded:\n%s\n", (char *) stream.data);
}
}
switch_safe_free(stream.data);
}
/* Tidy up */
amqp_destroy_envelope(&envelope);
}
amqp_bytes_free(queueName);
queueName.bytes = NULL;
mod_amqp_connection_close(profile->conn_active);
profile->conn_active = NULL;
if (profile->running) {
/* We'll reconnect, but sleep to avoid hammering resources */
switch_sleep(500);
}
}
/* Terminate the thread */
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Command listener thread stopped\n");
switch_thread_exit(thread, SWITCH_STATUS_SUCCESS);
return NULL;
}
int main(int argc, char const * const *argv) {
char const *hostname;
int port;
char const *exchange;
char const *bindingkey;
int sockfd;
amqp_connection_state_t conn;
amqp_bytes_t queuename;
if (argc < 5) {
fprintf(stderr, "Usage: amqp_listen host port exchange bindingkey\n");
return 1;
}
hostname = argv[1];
port = atoi(argv[2]);
exchange = argv[3];
bindingkey = argv[4];
conn = amqp_new_connection();
die_on_error(sockfd = amqp_open_socket(hostname, port), "Opening socket");
amqp_set_sockfd(conn, sockfd);
die_on_amqp_error(amqp_login(conn, "/", 0, 131072, 0, AMQP_SASL_METHOD_PLAIN, "guest", "guest"),
"Logging in");
amqp_channel_open(conn, 1);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Opening channel");
{
amqp_queue_declare_ok_t *r = amqp_queue_declare(conn, 1, AMQP_EMPTY_BYTES, 0, 0, 0, 1,
AMQP_EMPTY_TABLE);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Declaring queue");
queuename = amqp_bytes_malloc_dup(r->queue);
if (queuename.bytes == NULL) {
die_on_error(-ENOMEM, "Copying queue name");
}
}
amqp_queue_bind(conn, 1, queuename, amqp_cstring_bytes(exchange), amqp_cstring_bytes(bindingkey),
AMQP_EMPTY_TABLE);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Binding queue");
amqp_basic_consume(conn, 1, queuename, AMQP_EMPTY_BYTES, 0, 1, 0);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Consuming");
{
amqp_frame_t frame;
int result;
amqp_basic_deliver_t *d;
amqp_basic_properties_t *p;
size_t body_target;
size_t body_received;
while (1) {
amqp_maybe_release_buffers(conn);
result = amqp_simple_wait_frame(conn, &frame);
printf("Result %d\n", result);
if (result <= 0)
break;
printf("Frame type %d, channel %d\n", frame.frame_type, frame.channel);
if (frame.frame_type != AMQP_FRAME_METHOD)
continue;
printf("Method %s\n", amqp_method_name(frame.payload.method.id));
if (frame.payload.method.id != AMQP_BASIC_DELIVER_METHOD)
continue;
d = (amqp_basic_deliver_t *) frame.payload.method.decoded;
printf("Delivery %u, exchange %.*s routingkey %.*s\n",
(unsigned) d->delivery_tag,
(int) d->exchange.len, (char *) d->exchange.bytes,
(int) d->routing_key.len, (char *) d->routing_key.bytes);
result = amqp_simple_wait_frame(conn, &frame);
if (result <= 0)
break;
if (frame.frame_type != AMQP_FRAME_HEADER) {
fprintf(stderr, "Expected header!");
abort();
}
p = (amqp_basic_properties_t *) frame.payload.properties.decoded;
if (p->_flags & AMQP_BASIC_CONTENT_TYPE_FLAG) {
printf("Content-type: %.*s\n",
(int) p->content_type.len, (char *) p->content_type.bytes);
}
printf("----\n");
body_target = frame.payload.properties.body_size;
body_received = 0;
while (body_received < body_target) {
result = amqp_simple_wait_frame(conn, &frame);
if (result <= 0)
break;
if (frame.frame_type != AMQP_FRAME_BODY) {
fprintf(stderr, "Expected body!");
abort();
}
body_received += frame.payload.body_fragment.len;
assert(body_received <= body_target);
amqp_dump(frame.payload.body_fragment.bytes,
frame.payload.body_fragment.len);
}
if (body_received != body_target) {
/* Can only happen when amqp_simple_wait_frame returns <= 0 */
/* We break here to close the connection */
break;
}
}
}
die_on_amqp_error(amqp_channel_close(conn, 1, AMQP_REPLY_SUCCESS), "Closing channel");
die_on_amqp_error(amqp_connection_close(conn, AMQP_REPLY_SUCCESS), "Closing connection");
amqp_destroy_connection(conn);
die_on_error(close(sockfd), "Closing socket");
return 0;
}
int main(int argc, char const *const *argv)
{
char const *hostname;
int port, status;
char const *exchange;
char const *bindingkey;
amqp_socket_t *socket;
amqp_connection_state_t conn;
amqp_bytes_t queuename;
if (argc < 3) {
fprintf(stderr, "Usage: amqps_consumer host port "
"[cacert.pem [key.pem cert.pem]]\n");
return 1;
}
hostname = argv[1];
port = atoi(argv[2]);
exchange = "amq.direct"; /* argv[3]; */
bindingkey = "test queue"; /* argv[4]; */
conn = amqp_new_connection();
socket = amqp_ssl_socket_new(conn);
if (!socket) {
die("creating SSL/TLS socket");
}
if (argc > 3) {
status = amqp_ssl_socket_set_cacert(socket, argv[3]);
if (status) {
die("setting CA certificate");
}
}
if (argc > 5) {
status = amqp_ssl_socket_set_key(socket, argv[5], argv[4]);
if (status) {
die("setting client key");
}
}
status = amqp_socket_open(socket, hostname, port);
if (status) {
die("opening SSL/TLS connection");
}
die_on_amqp_error(amqp_login(conn, "/", 0, 131072, 0, AMQP_SASL_METHOD_PLAIN, "guest", "guest"),
"Logging in");
amqp_channel_open(conn, 1);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Opening channel");
{
amqp_queue_declare_ok_t *r = amqp_queue_declare(conn, 1, amqp_empty_bytes, 0, 0, 0, 1,
amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Declaring queue");
queuename = amqp_bytes_malloc_dup(r->queue);
if (queuename.bytes == NULL) {
fprintf(stderr, "Out of memory while copying queue name");
return 1;
}
}
amqp_queue_bind(conn, 1, queuename, amqp_cstring_bytes(exchange), amqp_cstring_bytes(bindingkey),
amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Binding queue");
amqp_basic_consume(conn, 1, queuename, amqp_empty_bytes, 0, 1, 0, amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Consuming");
run(conn);
die_on_amqp_error(amqp_channel_close(conn, 1, AMQP_REPLY_SUCCESS), "Closing channel");
die_on_amqp_error(amqp_connection_close(conn, AMQP_REPLY_SUCCESS), "Closing connection");
die_on_error(amqp_destroy_connection(conn), "Ending connection");
return 0;
}
/*************************************************************************
**************************************************************************
*
* Namn : rmq_connect
*
* Typ : int
*
* Typ Parameter IOGF Beskrivning
*
* Beskrivning : Connect to RabbitMQ broker.
*
**************************************************************************
**************************************************************************/
int rmq_connect()
{
int sts;
amqp_rpc_reply_t rep;
amqp_channel_open_ok_t* co;
if (!ctx->conn) {
ctx->conn = amqp_new_connection();
// printf( "Connection : %u\n", (unsigned int)ctx->conn);
}
if (!ctx->socket) {
ctx->socket = (amqp_socket_t*)amqp_tcp_socket_new(ctx->conn);
if (!ctx->socket) {
printf("Socket error\n");
return 0;
}
sts = amqp_socket_open(ctx->socket, ctx->op->Server, ctx->op->Port);
if (sts) {
printf("Socket open error %d\n", sts);
ctx->socket = 0;
return 0;
}
}
rep = amqp_login(ctx->conn, "/", 0, 131072, 0, AMQP_SASL_METHOD_PLAIN,
ctx->op->User, ctx->op->Password);
if (rep.reply_type != AMQP_RESPONSE_NORMAL) {
if (rep.reply_type == AMQP_RESPONSE_LIBRARY_EXCEPTION)
printf("Login failure, not authorized? %d\n", rep.reply_type);
else
printf("Login failure: %d\n", rep.reply_type);
return 0;
}
if (!ctx->channel) {
if (ctx->op->Channel == 0)
ctx->channel = 1;
else
ctx->channel = ctx->op->Channel;
co = amqp_channel_open(ctx->conn, ctx->channel);
if (!co) {
printf("Channel not open\n");
ctx->channel = 0;
} else {
printf("Channel open %s\n", (char*)co->channel_id.bytes);
}
}
/* Declare send queue */
if (ctx->is_producer) {
// 0 passive 0 durable 0 exclusive 0 auto-delete
amqp_queue_declare_ok_t* qd = amqp_queue_declare(ctx->conn, ctx->channel,
amqp_cstring_bytes(ctx->op->SendQueue), 0, ctx->op->Durable, 0, 0,
amqp_empty_table);
if (!qd) {
printf("SendQueue not declared\n");
} else {
printf("SendQueue %s message cnt %d, consumer cnt %d\n",
(char*)qd->queue.bytes, qd->message_count, qd->consumer_count);
}
}
/* Declare receive queue */
if (ctx->is_consumer) {
// 0 passive 0 durable 0 exclusive 0 auto-delete
amqp_queue_declare_ok_t* qd = amqp_queue_declare(ctx->conn, ctx->channel,
amqp_cstring_bytes(ctx->op->ReceiveQueue), 0, ctx->op->Durable, 0, 0,
amqp_empty_table);
if (!qd) {
printf("ReceiveQueue not declared\n");
} else {
printf("ReceiveQueue %s message cnt %d, consumer cnt %d\n",
(char*)qd->queue.bytes, qd->message_count, qd->consumer_count);
}
}
if (ctx->is_producer && !streq(ctx->op->Exchange, ""))
#if AMQP_VERSION_MAJOR == 0 && AMQP_VERSION_MINOR < 6
amqp_exchange_declare(ctx->conn, ctx->channel,
amqp_cstring_bytes(ctx->op->Exchange), amqp_cstring_bytes("fanout"), 0,
ctx->op->Durable, amqp_empty_table);
#else
amqp_exchange_declare(ctx->conn, ctx->channel,
amqp_cstring_bytes(ctx->op->Exchange), amqp_cstring_bytes("fanout"), 0,
ctx->op->Durable, 0, 0, amqp_empty_table);
#endif
if (ctx->is_producer && !streq(ctx->op->Exchange, ""))
amqp_queue_bind(ctx->conn, ctx->channel,
amqp_cstring_bytes(ctx->op->SendQueue),
amqp_cstring_bytes(ctx->op->Exchange),
amqp_cstring_bytes("exchange-key"), amqp_empty_table);
amqp_basic_consume_ok_t* bc;
// 0 no-local 1 no-ack 0 exclusive
if (ctx->is_consumer) {
bc = amqp_basic_consume(ctx->conn, ctx->channel,
amqp_cstring_bytes(ctx->op->ReceiveQueue), amqp_empty_bytes, 0,
!ctx->op->Acknowledge, 0, amqp_empty_table);
if (!bc)
printf("Consumer error\n");
else
printf("Consumer tag: %s\n", (char*)bc->consumer_tag.bytes);
}
return 1;
}
static
void rabbitmq_add_queue(amqp_connection_state_t conn, amqp_channel_t* channel_ref, const char *stream)
{
size_t n = strlen(stream) + 1;
char app[n], env[n];
memset(app, 0, n);
memset(env, 0, n);
sscanf(stream, "%[^-]-%[^-]", app, env);
if (strcmp(env, rabbit_env)) {
printf("[I] skipping: %s-%s\n", app, env);
return;
}
// printf("[D] processing stream %s-%s\n", app, env);
char exchange[n+16];
memset(exchange, 0, n+16);
sprintf(exchange, "request-stream-%s-%s", app, env);
// printf("[D] exchange: %s\n", exchange);
char queue[n+15];
memset(queue, 0, n+15);
sprintf(queue, "logjam-device-%s-%s", app, env);
// printf("[D] queue: %s\n", queue);
printf("[I] binding: %s ==> %s\n", exchange, queue);
amqp_channel_t channel = ++(*channel_ref);
if (channel > 1) {
// printf("[D] opening channel %d\n", channel);
amqp_channel_open(conn, channel);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Opening AMQP channel");
}
// amqp_exchange_declare(amqp_connection_state_t state, amqp_channel_t channel, amqp_bytes_t exchange,
// amqp_bytes_t type, amqp_boolean_t passive, amqp_boolean_t durable,
// amqp_boolean_t auto_delete, amqp_boolean_t internal, amqp_table_t arguments);
amqp_exchange_declare(conn, channel, amqp_cstring_bytes(exchange), amqp_cstring_bytes("topic"),
0, 1, 0, 0, amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "declaring exchange");
amqp_bytes_t queuename = amqp_cstring_bytes(queue);
struct amqp_table_entry_t_ queue_arg_table_entries[1] = {
{ amqp_cstring_bytes("x-message-ttl"), { AMQP_FIELD_KIND_I32, { 60 * 1000 } } }
};
amqp_table_t queue_argument_table = {1, queue_arg_table_entries};
// amqp_queue_declare(amqp_connection_state_t state, amqp_channel_t channel, amqp_bytes_t queue,
// amqp_boolean_t passive, amqp_boolean_t durable, amqp_boolean_t exclusive, amqp_boolean_t auto_delete,
// amqp_table_t arguments);
amqp_queue_declare(conn, channel, queuename, 0, 0, 0, 1, queue_argument_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "declaring queue");
// amqp_queue_bind(amqp_connection_state_t state, amqp_channel_t channel, amqp_bytes_t queue,
// amqp_bytes_t exchange, amqp_bytes_t routing_key, amqp_table_t arguments)
const char *routing_key = "#";
amqp_queue_bind(conn, channel, queuename, amqp_cstring_bytes(exchange), amqp_cstring_bytes(routing_key), amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "binding queue");
// amqp_basic_consume(amqp_connection_state_t state, amqp_channel_t channel, amqp_bytes_t queue, amqp_bytes_t consumer_tag,
// amqp_boolean_t no_local, amqp_boolean_t no_ack, amqp_boolean_t exclusive, amqp_table_t arguments)
amqp_basic_consume(conn, channel, queuename, amqp_empty_bytes, 0, 1, 0, amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "consuming");
}
static int camqp_setup_queue (camqp_config_t *conf) /* {{{ */
{
amqp_queue_declare_ok_t *qd_ret;
amqp_basic_consume_ok_t *cm_ret;
qd_ret = amqp_queue_declare (conf->connection,
/* channel = */ CAMQP_CHANNEL,
/* queue = */ (conf->queue != NULL)
? amqp_cstring_bytes (conf->queue)
: AMQP_EMPTY_BYTES,
/* passive = */ 0,
/* durable = */ 0,
/* exclusive = */ 0,
/* auto_delete = */ 1,
/* arguments = */ AMQP_EMPTY_TABLE);
if (qd_ret == NULL)
{
ERROR ("amqp plugin: amqp_queue_declare failed.");
camqp_close_connection (conf);
return (-1);
}
if (conf->queue == NULL)
{
conf->queue = camqp_bytes_cstring (&qd_ret->queue);
if (conf->queue == NULL)
{
ERROR ("amqp plugin: camqp_bytes_cstring failed.");
camqp_close_connection (conf);
return (-1);
}
INFO ("amqp plugin: Created queue \"%s\".", conf->queue);
}
DEBUG ("amqp plugin: Successfully created queue \"%s\".", conf->queue);
/* bind to an exchange */
if (conf->exchange != NULL)
{
amqp_queue_bind_ok_t *qb_ret;
assert (conf->queue != NULL);
qb_ret = amqp_queue_bind (conf->connection,
/* channel = */ CAMQP_CHANNEL,
/* queue = */ amqp_cstring_bytes (conf->queue),
/* exchange = */ amqp_cstring_bytes (conf->exchange),
/* routing_key = */ (conf->routing_key != NULL)
? amqp_cstring_bytes (conf->routing_key)
: AMQP_EMPTY_BYTES,
/* arguments = */ AMQP_EMPTY_TABLE);
if ((qb_ret == NULL) && camqp_is_error (conf))
{
char errbuf[1024];
ERROR ("amqp plugin: amqp_queue_bind failed: %s",
camqp_strerror (conf, errbuf, sizeof (errbuf)));
camqp_close_connection (conf);
return (-1);
}
DEBUG ("amqp plugin: Successfully bound queue \"%s\" to exchange \"%s\".",
conf->queue, conf->exchange);
} /* if (conf->exchange != NULL) */
cm_ret = amqp_basic_consume (conf->connection,
/* channel = */ CAMQP_CHANNEL,
/* queue = */ amqp_cstring_bytes (conf->queue),
/* consumer_tag = */ AMQP_EMPTY_BYTES,
/* no_local = */ 0,
/* no_ack = */ 1,
/* exclusive = */ 0,
/* arguments = */ AMQP_EMPTY_TABLE
);
if ((cm_ret == NULL) && camqp_is_error (conf))
{
char errbuf[1024];
ERROR ("amqp plugin: amqp_basic_consume failed: %s",
camqp_strerror (conf, errbuf, sizeof (errbuf)));
camqp_close_connection (conf);
return (-1);
}
return (0);
} /* }}} int camqp_setup_queue */
int main(int argc, char const *const *argv)
{
char const *hostname;
int port, status;
char const *exchange;
char const *bindingkey;
char const *queue;
amqp_socket_t *socket;
amqp_connection_state_t conn;
if (argc < 6) {
fprintf(stderr, "Usage: amqps_bind host port exchange bindingkey queue "
"[cacert.pem [verifypeer] [verifyhostname] [key.pem cert.pem]]\n");
return 1;
}
hostname = argv[1];
port = atoi(argv[2]);
exchange = argv[3];
bindingkey = argv[4];
queue = argv[5];
conn = amqp_new_connection();
socket = amqp_ssl_socket_new(conn);
if (!socket) {
die("creating SSL/TLS socket");
}
amqp_ssl_socket_set_verify_peer(socket, 0);
amqp_ssl_socket_set_verify_hostname(socket, 0);
if (argc > 6) {
int nextarg = 7;
status = amqp_ssl_socket_set_cacert(socket, argv[6]);
if (status) {
die("setting CA certificate");
}
if (argc > nextarg && !strcmp("verifypeer", argv[nextarg])) {
amqp_ssl_socket_set_verify_peer(socket, 1);
nextarg++;
}
if (argc > nextarg && !strcmp("verifyhostname", argv[nextarg])) {
amqp_ssl_socket_set_verify_hostname(socket, 1);
nextarg++;
}
if (argc > nextarg + 1) {
status =
amqp_ssl_socket_set_key(socket, argv[nextarg + 1], argv[nextarg]);
if (status) {
die("setting client cert");
}
}
}
status = amqp_socket_open(socket, hostname, port);
if (status) {
die("opening SSL/TLS connection");
}
die_on_amqp_error(amqp_login(conn, "/", 0, 131072, 0, AMQP_SASL_METHOD_PLAIN, "guest", "guest"),
"Logging in");
amqp_channel_open(conn, 1);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Opening channel");
amqp_queue_bind(conn, 1,
amqp_cstring_bytes(queue),
amqp_cstring_bytes(exchange),
amqp_cstring_bytes(bindingkey),
amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Unbinding");
die_on_amqp_error(amqp_channel_close(conn, 1, AMQP_REPLY_SUCCESS), "Closing channel");
die_on_amqp_error(amqp_connection_close(conn, AMQP_REPLY_SUCCESS), "Closing connection");
die_on_error(amqp_destroy_connection(conn), "Ending connection");
return 0;
}
