static void process_reply( pn_messenger_t *messenger,
pn_message_t *message)
{
int rc;
pn_data_t *body = pn_message_body(message);
pn_bytes_t m_type;
pn_bytes_t m_command;
pn_bytes_t m_value;
pn_bytes_t m_status;
bool duplicate = false;
rc = pn_data_scan( body, "{.S.S.S.S}",
&m_type, &m_command, &m_value, &m_status );
check( rc == 0, "Failed to decode response message" );
check(strncmp("response", m_type.start, m_type.size) == 0, "Unknown message type received");
if (strncmp("DUPLICATE", m_status.start, m_status.size) == 0) {
LOG( "Server detected duplicate request!\n" );
duplicate = true;
} else if (strncmp("OK", m_status.start, m_status.size)) {
fprintf( stderr, "Request failed - error: %.*s\n", (int)m_status.size, m_status.start );
return;
}
fprintf( stdout, "Fortune%s: \"%.*s\"%s\n",
strncmp("set", m_command.start, m_command.size) == 0 ? " set to" : "",
(int)m_value.size, m_value.start,
duplicate ? " (duplicate detected by server)" : "" );
}
static pn_message_t *build_request_message(pn_message_t *message,
const char *command,
const char *to,
const char *reply_to,
const char *new_fortune,
unsigned int ttl)
{
int rc;
pn_message_set_address( message, to );
if (reply_to) {
LOG("setting reply-to %s\n", reply_to);
rc = pn_message_set_reply_to( message, reply_to );
check(rc == 0, "pn_message_set_reply_to() failed");
}
pn_message_set_delivery_count( message, 0 );
if (ttl)
pn_message_set_ttl( message, ttl * 1000 );
pn_data_t *body = pn_message_body(message);
pn_data_clear( body );
rc = pn_data_fill( body, "{SSSSSS}",
"type", "request",
"command", command,
"value", (new_fortune) ? new_fortune : "" );
check( rc == 0, "Failure to create request message" );
return message;
}
void sender_context_init(sender_context_t *sc, Options_t *opts, Statistics_t *stats)
{
sc->opts = opts;
sc->stats = stats;
sc->sent = 0;
sc->received = 0;
sc->id.type = PN_ULONG;
sc->reply_message = 0;
// 4096 extra bytes should easily cover the message metadata
sc->encoded_data_size = sc->opts->msg_size + 4096;
sc->encoded_data = (char *)calloc(1, sc->encoded_data_size);
check(sc->encoded_data, "failed to allocate encoding buffer");
sc->container_id = pn_string("reactor-send"); // prefer uuid-like name
sc->reply_message = (sc->opts->get_replies) ? pn_message() : 0;
sc->message = pn_message();
check(sc->message, "failed to allocate a message");
pn_string_t *rpto = pn_string("amqp://");
pn_string_addf(rpto, "%s", pn_string_get(sc->container_id));
pn_message_set_reply_to(sc->message, pn_string_get(rpto));
pn_free(rpto);
pn_data_t *body = pn_message_body(sc->message);
// borrow the encoding buffer this one time
char *data = sc->encoded_data;
pn_data_put_binary(body, pn_bytes(sc->opts->msg_size, data));
check(sc->opts->targets.count > 0, "no specified address");
sc->send_url = pn_url_parse(sc->opts->targets.addresses[0]);
const char *host = pn_url_get_host(sc->send_url);
const char *port = pn_url_get_port(sc->send_url);
sc->hostname = pn_string(host);
if (port && strlen(port))
pn_string_addf(sc->hostname, ":%s", port);
}
void process_flow(ldp_connection_t *conn, pn_event_t *event) {
fprintf(stderr, "flow event %s\n", pn_event_type_name(pn_event_type(event)));
pn_link_t *sender = pn_event_link(event);
pn_message_t *message = pn_message();
pn_message_set_address(message, "amqp://foo/bar");
pn_data_t *body = pn_message_body(message);
char *msgtext = "hello world!";
pn_data_put_string(body, pn_bytes(strlen(msgtext), msgtext));
pn_buffer_t *buffer = pn_buffer(1000);
char *encoded = pn_buffer_bytes(buffer).start;
size_t size = pn_buffer_capacity(buffer);
int err = pn_message_encode(message, encoded, &size);
if (err) {
fprintf(stderr, "trouble encoding message\n");
} else {
char tag[8];
static uint64_t next_tag;
*((uint64_t*)tag) = ++next_tag;
pn_delivery_t *d = pn_delivery(sender, pn_dtag(tag, 8));
pn_link_send(sender, encoded, size);
pn_link_advance(sender);
}
pn_buffer_free(buffer);
pn_message_free(message);
}
/* Test sending/receiving a message in chunks */
static void test_message_stream(test_t *t) {
test_proactor_t tps[] ={
test_proactor(t, message_stream_handler),
test_proactor(t, message_stream_handler)
};
pn_proactor_t *client = tps[0].proactor;
pn_listener_t *l = test_listen(&tps[1], "");
struct message_stream_context ctx = { 0 };
tps[0].handler.context = &ctx;
tps[1].handler.context = &ctx;
/* Encode a large (not very) message to send in chunks */
char *body = (char*)malloc(BODY);
memset(body, 'x', BODY);
pn_message_t *m = pn_message();
pn_data_put_binary(pn_message_body(m), pn_bytes(BODY, body));
free(body);
ctx.size = message_encode(m, &ctx.send_buf);
pn_message_free(m);
pn_connection_t *c = pn_connection();
pn_proactor_connect2(client, c, NULL, listener_info(l).connect);
pn_session_t *ssn = pn_session(c);
pn_session_open(ssn);
pn_link_t *snd = pn_sender(ssn, "x");
pn_link_open(snd);
TEST_PROACTORS_RUN_UNTIL(tps, PN_LINK_FLOW);
/* Send and receive the message in chunks */
do {
pn_connection_wake(c); /* Initiate send/receive of one chunk */
do { /* May be multiple receives for one send */
TEST_PROACTORS_RUN_UNTIL(tps, PN_DELIVERY);
} while (ctx.received < ctx.sent);
} while (!ctx.complete);
TEST_CHECK(t, ctx.received == ctx.size);
TEST_CHECK(t, ctx.sent == ctx.size);
TEST_CHECK(t, !memcmp(ctx.send_buf.start, ctx.recv_buf.start, ctx.size));
free(ctx.send_buf.start);
free(ctx.recv_buf.start);
TEST_PROACTORS_DESTROY(tps);
}
void amqp::Sender::send(IMessage const &message, Address const &address)
{
pn_data_t *pnmessage_body = NULL;
pn_message_t *pnmessage = pn_message();
if (pnmessage == NULL) {
throw std::exception("ERROR: Message could not be created.");
}
pn_message_set_address(pnmessage, address.toString().c_str());
_addMetaToMessage(pnmessage, message);
pnmessage_body = pn_message_body(pnmessage);
pn_data_put_binary(pnmessage_body, pn_bytes(message.getSize(), message.getBytes()));
pn_messenger_put(m_messenger, pnmessage);
if (isError()) {
_throwError();
}
// To avoid traffic flud and speed up the solution better to use blocking scokets in tracking mode
if (isTraking()) {
Log("Sending messages to %s\n", address.toString().c_str());
m_tracker = pn_messenger_outgoing_tracker(m_messenger);
pn_messenger_send(m_messenger, -1); // sync
}
else {
pn_messenger_send(m_messenger, 1); // async
}
if (isError()) {
_throwError();
}
_checkTracking();
pn_message_free(pnmessage);
}
int sendMessage(pn_messenger_t * messenger) {
//char * address = (char *) "amqps://{SAS Key Name}:{SAS key}@{namespace name}.servicebus.windows.net/{event hub name}";
char * address = (char *) "amqps://*****:*****@kelvin-flight.servicebus.windows.net/example";
char * msgtext = (char *) "Hello from C!";
pn_message_t * message;
pn_data_t * body;
message = pn_message();
pn_message_set_address(message, address);
pn_message_set_content_type(message, (char*) "application/octect-stream");
pn_message_set_inferred(message, true);
body = pn_message_body(message);
pn_data_put_binary(body, pn_bytes(strlen(msgtext), msgtext));
pn_messenger_put(messenger, message);
check(messenger);
pn_messenger_send(messenger, 1);
check(messenger);
pn_message_free(message);
}
mama_status
qpidBridgeMsgCodec_pack (msgBridge bridgeMessage,
mamaMsg target,
pn_message_t** protonMessage)
{
pn_data_t* properties = NULL;
pn_data_t* body = NULL;
mamaPayloadType payloadType = MAMA_PAYLOAD_UNKNOWN;
const void* buffer = NULL;
mama_size_t bufferLen = 0;
char* subject = NULL;
char* destination = NULL;
char* inboxName = NULL;
char* replyTo = NULL;
char* targetSubject = NULL;
mama_status status = MAMA_STATUS_OK;
qpidMsgType type = QPID_MSG_PUB_SUB;
if (NULL == bridgeMessage || NULL == target)
{
return MAMA_STATUS_NULL_ARG;
}
/* Get the underlying payload type */
mamaMsg_getPayloadType (target, &payloadType);
/* If this is a qpid payload, we don't need to serialize */
if (MAMA_PAYLOAD_QPID == payloadType)
{
/* This will extract only the underlying handle */
mamaMsgImpl_getPayloadBuffer (target, &buffer, &bufferLen);
/* Don't use function's proton message - use the one just extracted */
*protonMessage = (pn_message_t*) buffer;
}
else
{
const void* buffer = NULL;
mama_size_t bufferLen = 0;
/* This will extract a serialized version of the payload */
mamaMsg_getByteBuffer (target, &buffer, &bufferLen);
/* Use the function's proton message if this is not a qpid payload */
body = pn_message_body (*protonMessage);
pn_data_put_binary (body, pn_bytes(bufferLen, (char*)buffer));
}
/* Set the subject for the middleware according to the bridge msg */
status = qpidBridgeMamaMsgImpl_getSendSubject (bridgeMessage, &subject);
if (MAMA_STATUS_OK != status)
{
return status;
}
pn_message_set_subject (*protonMessage, subject);
/* Set the URL destination for the middleware according to the bridge msg */
status = qpidBridgeMamaMsgImpl_getDestination (bridgeMessage, &destination);
if (MAMA_STATUS_OK != status)
{
return status;
}
pn_message_set_address (*protonMessage, destination);
/* Get the properties from the message */
properties = pn_message_properties (*protonMessage);
/* Ensure position is at the start */
pn_data_rewind (properties);
/* Main container for meta data should be a list to allow expansion */
pn_data_put_list (properties);
/* Enter into the list for access to its elements */
pn_data_enter (properties);
/* Set the message type for the middleware according to the bridge msg */
status = qpidBridgeMamaMsgImpl_getMsgType (bridgeMessage, &type);
if (MAMA_STATUS_OK != status)
{
return status;
}
pn_data_put_ubyte (properties, type);
switch (type)
{
/* For inbox requests, set inbox name and reply to URLs */
case QPID_MSG_INBOX_REQUEST:
status = qpidBridgeMamaMsgImpl_getInboxName (bridgeMessage, &inboxName);
if (MAMA_STATUS_OK != status)
{
return status;
}
pn_data_put_string (properties, pn_bytes (strlen(inboxName),
inboxName));
status = qpidBridgeMamaMsgImpl_getReplyTo (bridgeMessage, &replyTo);
if (MAMA_STATUS_OK != status)
{
return status;
}
pn_data_put_string (properties, pn_bytes (strlen(replyTo),
replyTo));
break;
/* For inbox responses, set the target subject (e.g. initial for XX) */
case QPID_MSG_INBOX_RESPONSE:
status = qpidBridgeMamaMsgImpl_getTargetSubject (bridgeMessage,
&targetSubject);
if (MAMA_STATUS_OK != status)
{
return status;
}
pn_data_put_string (properties, pn_bytes (strlen(targetSubject),
targetSubject));
break;
/* The following message types require no further meta data */
case QPID_MSG_TERMINATE:
case QPID_MSG_SUB_REQUEST:
case QPID_MSG_PUB_SUB:
default:
break;
}
/* Exit out of the list previously entered */
pn_data_exit (properties);
return MAMA_STATUS_OK;
}
mama_status
qpidBridgeMsgCodec_unpack (msgBridge bridgeMessage,
mamaMsg target,
pn_message_t* protonMessage)
{
pn_data_t* properties = NULL;
pn_data_t* body = NULL;
mama_status status = MAMA_STATUS_OK;
qpidMsgType type = QPID_MSG_PUB_SUB;
pn_bytes_t prop;
pn_atom_t firstAtom;
if (NULL == bridgeMessage || NULL == protonMessage)
{
return MAMA_STATUS_NULL_ARG;
}
/* grab the body */
body = pn_message_body (protonMessage);
/* Ensure position is at the start */
pn_data_rewind (body);
/* Skip over the initial null atom */
pn_data_next (body);
/* Grab the first atom and see what it is - PN_LIST = qpid */
firstAtom = pn_data_get_atom (body);
/* If this is a proton message */
if (PN_LIST == firstAtom.type)
{
status = mamaMsgImpl_setMsgBuffer (target,
(void*) protonMessage,
sizeof (pn_message_t*),
MAMA_PAYLOAD_QPID);
}
/* If this looks like another MAMA payload type */
else if (PN_BINARY == firstAtom.type)
{
mamaPayloadType payloadType = MAMA_PAYLOAD_UNKNOWN;
if (firstAtom.u.as_bytes.size == 0)
{
mama_log (MAMA_LOG_LEVEL_ERROR,
"qpidBridgeMamaMsgImpl_unpack(): "
"Binary blob of zero length found - not processing");
return MAMA_STATUS_INVALID_ARG;
}
/* The payload type is the first character */
payloadType = (mamaPayloadType) firstAtom.u.as_bytes.start[0];
/* Use byte buffer to populate MAMA message */
status = mamaMsgImpl_setMsgBuffer (
target,
(void*) firstAtom.u.as_bytes.start,
(mama_size_t) firstAtom.u.as_bytes.size,
payloadType);
if (MAMA_STATUS_OK != status)
{
mama_log (MAMA_LOG_LEVEL_ERROR,
"qpidBridgeMamaMsgImpl_unpack(): "
"Could not set msg buffer. Cannot unpack (%s).",
mamaStatus_stringForStatus (status));
return status;
}
}
/* If this looks like something we cannot handle */
else
{
mama_log (MAMA_LOG_LEVEL_ERROR,
"qpidBridgeMamaMsgImpl_unpack(): "
"Unable to unpack data received: incompatible format %s",
pn_type_name (firstAtom.type));
}
/* Get the properties */
properties = pn_message_properties (protonMessage);
/* Ensure position is at the start */
pn_data_rewind (properties);
/* Skip over the initial null atom */
pn_data_next (properties);
/* Main container should be a list to allow expansion */
pn_data_get_list (properties);
pn_data_enter (properties);
/* Get the message type out */
pn_data_next (properties);
type = (qpidMsgType) pn_data_get_ubyte (properties);
qpidBridgeMamaMsgImpl_setMsgType (bridgeMessage, type);
switch (type)
{
case QPID_MSG_INBOX_REQUEST:
/* Move onto inbox name and extract / copy */
pn_data_next (properties);
prop = pn_data_get_string (properties);
status = qpidBridgeMamaMsgImpl_setInboxName (bridgeMessage, prop.start);
if (MAMA_STATUS_OK != status)
{
return status;
}
/* Move onto reply to url and extract / copy */
pn_data_next (properties);
prop = pn_data_get_string (properties);
status = qpidBridgeMamaMsgImpl_setReplyTo (bridgeMessage, prop.start);
if (MAMA_STATUS_OK != status)
{
return status;
}
break;
case QPID_MSG_INBOX_RESPONSE:
/* Move onto target subject and extract / copy */
pn_data_next (properties);
prop = pn_data_get_string (properties);
status = qpidBridgeMamaMsgImpl_setTargetSubject (bridgeMessage,
prop.start);
if (MAMA_STATUS_OK != status)
{
return status;
}
break;
/* The following message types require no further meta data */
case QPID_MSG_TERMINATE:
case QPID_MSG_SUB_REQUEST:
case QPID_MSG_PUB_SUB:
default:
break;
}
pn_data_exit (properties);
return status;
}
int main(int argc, char** argv)
{
Options_t opts;
Statistics_t stats;
uint64_t sent = 0;
uint64_t received = 0;
int target_index = 0;
int rc;
pn_message_t *message = 0;
pn_message_t *reply_message = 0;
pn_messenger_t *messenger = 0;
parse_options( argc, argv, &opts );
messenger = pn_messenger( opts.name );
if (opts.certificate) {
rc = pn_messenger_set_certificate(messenger, opts.certificate);
check( rc == 0, "Failed to set certificate" );
}
if (opts.privatekey) {
rc = pn_messenger_set_private_key(messenger, opts.privatekey);
check( rc == 0, "Failed to set private key" );
}
if (opts.password) {
rc = pn_messenger_set_password(messenger, opts.password);
free(opts.password);
check( rc == 0, "Failed to set password" );
}
if (opts.ca_db) {
rc = pn_messenger_set_trusted_certificates(messenger, opts.ca_db);
check( rc == 0, "Failed to set trusted CA database" );
}
if (opts.outgoing_window) {
pn_messenger_set_outgoing_window( messenger, opts.outgoing_window );
}
pn_messenger_set_timeout( messenger, opts.timeout );
pn_messenger_start(messenger);
message = pn_message();
check(message, "failed to allocate a message");
pn_message_set_reply_to(message, "~");
pn_data_t *body = pn_message_body(message);
char *data = (char *)calloc(1, opts.msg_size);
pn_data_put_binary(body, pn_bytes(opts.msg_size, data));
free(data);
pn_atom_t id;
id.type = PN_ULONG;
#if 0
// TODO: how do we effectively benchmark header processing overhead???
pn_data_t *props = pn_message_properties(message);
pn_data_put_map(props);
pn_data_enter(props);
//
//pn_data_put_string(props, pn_bytes(6, "string"));
//pn_data_put_string(props, pn_bytes(10, "this is awkward"));
//
//pn_data_put_string(props, pn_bytes(4, "long"));
pn_data_put_long(props, 12345);
//
//pn_data_put_string(props, pn_bytes(9, "timestamp"));
pn_data_put_timestamp(props, (pn_timestamp_t) 54321);
pn_data_exit(props);
#endif
const int get_replies = opts.get_replies;
if (get_replies) {
// disable the timeout so that pn_messenger_recv() won't block
reply_message = pn_message();
check(reply_message, "failed to allocate a message");
}
statistics_start( &stats );
while (!opts.msg_count || (sent < opts.msg_count)) {
// setup the message to send
pn_message_set_address(message, opts.targets.addresses[target_index]);
target_index = NEXT_ADDRESS(opts.targets, target_index);
id.u.as_ulong = sent;
pn_message_set_correlation_id( message, id );
pn_message_set_creation_time( message, msgr_now() );
pn_messenger_put(messenger, message);
sent++;
if (opts.send_batch && (pn_messenger_outgoing(messenger) >= (int)opts.send_batch)) {
if (get_replies) {
while (received < sent) {
// this will also transmit any pending sent messages
received += process_replies( messenger, reply_message,
&stats, opts.recv_count );
}
} else {
LOG("Calling pn_messenger_send()\n");
rc = pn_messenger_send(messenger, -1);
check((rc == 0 || rc == PN_TIMEOUT), "pn_messenger_send() failed");
}
}
check_messenger(messenger);
}
LOG("Messages received=%llu sent=%llu\n", received, sent);
if (get_replies) {
// wait for the last of the replies
while (received < sent) {
int count = process_replies( messenger, reply_message,
&stats, opts.recv_count );
check( count > 0 || (opts.timeout == 0),
"Error: timed out waiting for reply messages\n");
received += count;
LOG("Messages received=%llu sent=%llu\n", received, sent);
}
} else if (pn_messenger_outgoing(messenger) > 0) {
LOG("Calling pn_messenger_send()\n");
rc = pn_messenger_send(messenger, -1);
check(rc == 0, "pn_messenger_send() failed");
}
rc = pn_messenger_stop(messenger);
check(rc == 0, "pn_messenger_stop() failed");
check_messenger(messenger);
statistics_report( &stats, sent, received );
pn_messenger_free(messenger);
pn_message_free(message);
if (reply_message) pn_message_free( reply_message );
addresses_free( &opts.targets );
return 0;
}
mama_status
qpidBridgeMamaSubscription_create (subscriptionBridge* subscriber,
const char* source,
const char* symbol,
mamaTransport tport,
mamaQueue queue,
mamaMsgCallbacks callback,
mamaSubscription subscription,
void* closure)
{
qpidSubscription* impl = NULL;
qpidTransportBridge* transport = NULL;
mama_status status = MAMA_STATUS_OK;
pn_data_t* data = NULL;
if ( NULL == subscriber || NULL == subscription || NULL == tport )
{
mama_log (MAMA_LOG_LEVEL_ERROR,
"qpidBridgeMamaSubscription_create(): something NULL");
return MAMA_STATUS_NULL_ARG;
}
status = mamaTransport_getBridgeTransport (tport,
(transportBridge*) &transport);
if (MAMA_STATUS_OK != status || NULL == transport)
{
mama_log (MAMA_LOG_LEVEL_ERROR,
"qpidBridgeMamaSubscription_create(): something NULL");
return MAMA_STATUS_NULL_ARG;
}
/* Allocate memory for qpid subscription implementation */
impl = (qpidSubscription*) calloc (1, sizeof (qpidSubscription));
if (NULL == impl)
{
return MAMA_STATUS_NOMEM;
}
mamaQueue_getNativeHandle(queue, &impl->mQpidQueue);
impl->mMamaCallback = callback;
impl->mMamaSubscription = subscription;
impl->mMamaQueue = queue;
impl->mTransport = (mamaTransport)transport;
impl->mSymbol = symbol;
impl->mClosure = closure;
impl->mIsNotMuted = 1;
impl->mIsTportDisconnected = 1;
impl->mSubjectKey = NULL;
/* Use a standard centralized method to determine a topic key */
qpidBridgeMamaSubscriptionImpl_generateSubjectKey (NULL,
source,
symbol,
&impl->mSubjectKey);
/* Register the endpoint */
endpointPool_registerWithoutIdentifier (transport->mSubEndpoints,
impl->mSubjectKey,
&impl->mEndpointIdentifier,
impl);
/* Notify the publisher that you have an interest in this topic */
pn_message_clear (transport->mMsg);
/* Set the message meta data to reflect a subscription request */
qpidBridgePublisherImpl_setMessageType (transport->mMsg,
QPID_MSG_SUB_REQUEST);
/* Set the outgoing address as provided by the transport configuration */
pn_message_set_address (transport->mMsg,
transport->mOutgoingAddress);
/* Set the reply address */
pn_message_set_reply_to (transport->mMsg,
transport->mReplyAddress);
/* Get the proton message's body data for writing */
data = pn_message_body (transport->mMsg);
/* Add in the subject key as the only string inside */
pn_data_put_string (data, pn_bytes (strlen (impl->mSubjectKey),
impl->mSubjectKey));
/* Send out the subscription registration of interest message */
if (NULL != transport->mOutgoingAddress)
{
pn_messenger_put (transport->mOutgoing, transport->mMsg);
if (0 != PN_MESSENGER_SEND (transport->mOutgoing))
{
const char* qpid_error = PN_MESSENGER_ERROR (transport->mOutgoing);
mama_log (MAMA_LOG_LEVEL_SEVERE,
"qpidBridgeMamaSubscription_create(): "
"pn_messenger_send Error:[%s]", qpid_error);
return MAMA_STATUS_PLATFORM;
}
}
mama_log (MAMA_LOG_LEVEL_FINEST,
"qpidBridgeMamaSubscription_create(): "
"created interest for %s.",
impl->mSubjectKey);
/* Mark this subscription as valid */
impl->mIsValid = 1;
*subscriber = (subscriptionBridge) impl;
return MAMA_STATUS_OK;
}
impl(pn_message_t *msg) {
body.reset(pn_message_body(msg));
properties.reset(pn_message_properties(msg));
annotations.reset(pn_message_annotations(msg));
instructions.reset(pn_message_instructions(msg));
}
int main(int argc, char** argv)
{
const char *address = "localhost";
const char *msgtext = "Hello World!";
const char *container = "SendExample";
int c;
pn_message_t *message = NULL;
pn_data_t *body = NULL;
pn_reactor_t *reactor = NULL;
pn_url_t *url = NULL;
pn_connection_t *conn = NULL;
/* Create a handler for the connection's events. event_handler() will be
* called for each event and delete_handler will be called when the
* connection is released. The handler will allocate an app_data_t
* instance which can be accessed when the event_handler is called.
*/
pn_handler_t *handler = pn_handler_new(event_handler,
sizeof(app_data_t),
delete_handler);
/* set up the application data with defaults */
app_data_t *app_data = GET_APP_DATA(handler);
memset(app_data, 0, sizeof(app_data_t));
app_data->count = 1;
app_data->target = "examples";
/* Attach the pn_handshaker() handler. This handler deals with endpoint
* events from the peer so we don't have to.
*/
{
pn_handler_t *handshaker = pn_handshaker();
pn_handler_add(handler, handshaker);
pn_decref(handshaker);
}
/* command line options */
opterr = 0;
while((c = getopt(argc, argv, "i:a:c:t:nhq")) != -1) {
switch(c) {
case 'h': usage(); break;
case 'a': address = optarg; break;
case 'c':
app_data->count = atoi(optarg);
if (app_data->count < 1) usage();
break;
case 't': app_data->target = optarg; break;
case 'n': app_data->anon = 1; break;
case 'i': container = optarg; break;
case 'q': quiet = 1; break;
default:
usage();
break;
}
}
if (optind < argc) msgtext = argv[optind];
// create a single message and pre-encode it so we only have to do that
// once. All transmits will use the same pre-encoded message simply for
// speed.
//
message = pn_message();
pn_message_set_address(message, app_data->target);
body = pn_message_body(message);
pn_data_clear(body);
// This message's body contains a single string
if (pn_data_fill(body, "S", msgtext)) {
fprintf(stderr, "Error building message!\n");
exit(1);
}
pn_data_rewind(body);
{
// encode the message, expanding the encode buffer as needed
//
size_t len = 128;
char *buf = (char *)malloc(len);
int rc = 0;
do {
rc = pn_message_encode(message, buf, &len);
if (rc == PN_OVERFLOW) {
free(buf);
len *= 2;
buf = (char *)malloc(len);
}
} while (rc == PN_OVERFLOW);
app_data->msg_len = len;
app_data->msg_data = buf;
}
pn_decref(message); // message no longer needed
reactor = pn_reactor();
url = pn_url_parse(address);
if (url == NULL) {
fprintf(stderr, "Invalid host address %s\n", address);
exit(1);
}
conn = pn_reactor_connection_to_host(reactor,
pn_url_get_host(url),
pn_url_get_port(url),
handler);
pn_decref(url);
pn_decref(handler);
// the container name should be unique for each client
pn_connection_set_container(conn, container);
// wait up to 5 seconds for activity before returning from
// pn_reactor_process()
pn_reactor_set_timeout(reactor, 5000);
pn_reactor_start(reactor);
while (pn_reactor_process(reactor)) {
/* Returns 'true' until the connection is shut down.
* pn_reactor_process() will return true at least once every 5 seconds
* (due to the timeout). If no timeout was configured,
* pn_reactor_process() returns as soon as it finishes processing all
* pending I/O and events. Once the connection has closed,
* pn_reactor_process() will return false.
*/
}
pn_decref(reactor);
return 0;
}
int main(int argc, char** argv)
{
char* certificate = NULL;
char* privatekey = NULL;
char* password = NULL;
char* address = (char *) "amqp://~0.0.0.0";
int c;
pn_message_t * message;
pn_messenger_t * messenger;
message = pn_message();
messenger = pn_messenger(NULL);
opterr = 0;
while((c = getopt(argc, argv, "hc:k:p:")) != -1)
{
switch(c)
{
case 'h':
usage();
break;
case 'c': certificate = optarg; break;
case 'k': privatekey = optarg; break;
case 'p': password = optarg; break;
case '?':
if(optopt == 'c' ||
optopt == 'k' ||
optopt == 'p')
{
fprintf(stderr, "Option -%c requires an argument.\n", optopt);
}
else if(isprint(optopt))
{
fprintf(stderr, "Unknown option `-%c'.\n", optopt);
}
else
{
fprintf(stderr, "Unknown option character `\\x%x'.\n", optopt);
}
return 1;
default:
abort();
}
}
if (optind < argc)
{
address = argv[optind];
}
/* load the various command line options if they're set */
if(certificate)
{
pn_messenger_set_certificate(messenger, certificate);
}
if(privatekey)
{
pn_messenger_set_private_key(messenger, privatekey);
}
if(password)
{
pn_messenger_set_password(messenger, password);
}
pn_messenger_start(messenger);
check(messenger);
pn_messenger_subscribe(messenger, address);
check(messenger);
for(;;)
{
pn_messenger_recv(messenger, 1024);
check(messenger);
while(pn_messenger_incoming(messenger))
{
pn_messenger_get(messenger, message);
check(messenger);
{
char buffer[1024];
size_t buffsize = sizeof(buffer);
const char* subject = pn_message_get_subject(message);
pn_data_t *body = pn_message_body(message);
pn_data_format(body, buffer, &buffsize);
printf("Address: %s\n", pn_message_get_address(message));
printf("Subject: %s\n", subject ? subject : "(no subject)");
printf("Content: %s\n", buffer);
}
}
}
return 0;
}