int pn_messenger_tsync(pn_messenger_t *messenger, bool (*predicate)(pn_messenger_t *), int timeout)
{
for (int i = 0; i < messenger->size; i++) {
pn_connector_process(messenger->connectors[i]);
}
struct timeval now;
if (gettimeofday(&now, NULL)) pn_fatal("gettimeofday failed\n");
long int deadline = millis(now) + timeout;
bool pred;
while (true) {
pred = predicate(messenger);
int remaining = deadline - millis(now);
if (pred || (timeout >= 0 && remaining < 0)) break;
pn_driver_wait(messenger->driver, remaining);
pn_listener_t *l;
while ((l = pn_driver_listener(messenger->driver))) {
pn_connector_t *c = pn_listener_accept(l);
pn_sasl_t *sasl = pn_connector_sasl(c);
pn_sasl_mechanisms(sasl, "ANONYMOUS");
pn_sasl_server(sasl);
pn_sasl_done(sasl, PN_SASL_OK);
pn_connection_t *conn = pn_connection();
pn_connection_set_container(conn, messenger->name);
pn_connector_set_connection(c, conn);
messenger->connectors[messenger->size++] = c;
}
pn_connector_t *c;
while ((c = pn_driver_connector(messenger->driver))) {
pn_connector_process(c);
pn_connection_t *conn = pn_connector_connection(c);
pn_messenger_endpoints(messenger, conn);
if (pn_connector_closed(c)) {
for (int i = 0; i < messenger->size; i++) {
if (c == messenger->connectors[i]) {
memmove(messenger->connectors + i, messenger->connectors + i + 1, messenger->size - i - 1);
messenger->size--;
pn_connector_free(c);
pn_messenger_reclaim(messenger, conn);
pn_connection_free(conn);
pn_messenger_flow(messenger);
break;
}
}
} else {
pn_connector_process(c);
}
}
if (timeout >= 0) {
if (gettimeofday(&now, NULL)) pn_fatal("gettimeofday failed\n");
}
}
return pred ? 0 : PN_TIMEOUT;
}
connection_engine::connection_engine(class handler &h, const connection_options& opts) {
connection_ = proton::connection(take_ownership(pn_connection()).get());
pn_ptr<pn_transport_t> transport = take_ownership(pn_transport());
pn_ptr<pn_collector_t> collector = take_ownership(pn_collector());
if (!connection_ || !transport || !collector)
throw proton::error("engine create");
int err = pn_transport_bind(transport.get(), connection_.pn_object());
if (err)
throw error(msg() << "transport bind:" << pn_code(err));
pn_connection_collect(connection_.pn_object(), collector.get());
ctx_ = &connection_engine_context::get(connection_); // Creates context
ctx_->engine_handler = &h;
ctx_->transport = transport.release();
ctx_->collector = collector.release();
opts.apply(connection_);
// Provide defaults for connection_id and link_prefix if not set.
std::string cid = connection_.container_id();
if (cid.empty()) {
cid = make_id();
pn_connection_set_container(connection_.pn_object(), cid.c_str());
}
id_generator &link_gen = connection_context::get(connection_).link_gen;
if (link_gen.prefix().empty()) {
link_gen.prefix(make_id()+"/");
}
}
pn_connection_t *pn_messenger_domain(pn_messenger_t *messenger, const char *domain)
{
char buf[domain ? strlen(domain) + 1 : 1];
if (domain) {
strcpy(buf, domain);
} else {
buf[0] = '\0';
}
char *user = NULL;
char *pass = NULL;
char *host = "0.0.0.0";
char *port = "5672";
parse_url(buf, &user, &pass, &host, &port);
for (int i = 0; i < messenger->size; i++) {
pn_connection_t *connection = pn_connector_connection(messenger->connectors[i]);
const char *container = pn_connection_remote_container(connection);
const char *hostname = pn_connection_hostname(connection);
if (pn_streq(container, domain) || pn_streq(hostname, domain))
return connection;
}
pn_connector_t *connector = pn_connector(messenger->driver, host, port, NULL);
if (!connector) return NULL;
messenger->connectors[messenger->size++] = connector;
pn_sasl_t *sasl = pn_connector_sasl(connector);
if (user) {
pn_sasl_plain(sasl, user, pass);
} else {
pn_sasl_mechanisms(sasl, "ANONYMOUS");
pn_sasl_client(sasl);
}
pn_connection_t *connection = pn_connection();
pn_connection_set_container(connection, messenger->name);
pn_connection_set_hostname(connection, domain);
pn_connection_open(connection);
pn_connector_set_connection(connector, connection);
return connection;
}
void Interconnect::process()
{
QPID_LOG(trace, id << " processing interconnect");
if (closeRequested) {
close();
} else {
if ((pn_connection_state(connection) & UNINIT) == UNINIT) {
QPID_LOG_CAT(debug, model, id << " interconnect open initiated");
pn_connection_set_container(connection, getBroker().getFederationTag().c_str());
setProperties(connection);
pn_connection_open(connection);
out.connectionEstablished();
setInterconnectDomain(domain);
}
if (!isOpened && (pn_connection_state(connection) & PN_REMOTE_ACTIVE)) {
QPID_LOG_CAT(debug, model, id << " interconnect open completed, attaching link");
isOpened = true;
readPeerProperties();
const char* containerid(pn_connection_remote_container(connection));
if (containerid) {
setContainerId(std::string(containerid));
}
opened();
getBroker().getConnectionObservers().opened(*this);
pn_session_t* s = pn_session(connection);
pn_session_open(s);
boost::shared_ptr<Session> ssn(new Session(s, *this, out));
sessions[s] = ssn;
pn_link_t* l = incoming ? pn_receiver(s, name.c_str()) : pn_sender(s, name.c_str());
pn_link_open(l);
ssn->attach(l, source, target, relay);
}
Connection::process();
}
}
void Connection::process()
{
QPID_LOG(trace, id << " process()");
if ((pn_connection_state(connection) & REQUIRES_OPEN) == REQUIRES_OPEN) {
QPID_LOG_CAT(debug, model, id << " connection opened");
pn_connection_set_container(connection, broker.getFederationTag().c_str());
pn_connection_open(connection);
}
for (pn_session_t* s = pn_session_head(connection, REQUIRES_OPEN); s; s = pn_session_next(s, REQUIRES_OPEN)) {
QPID_LOG_CAT(debug, model, id << " session begun");
pn_session_open(s);
boost::shared_ptr<Session> ssn(new Session(s, broker, *this, out));
sessions[s] = ssn;
}
for (pn_link_t* l = pn_link_head(connection, REQUIRES_OPEN); l; l = pn_link_next(l, REQUIRES_OPEN)) {
pn_link_open(l);
Sessions::iterator session = sessions.find(pn_link_session(l));
if (session == sessions.end()) {
QPID_LOG(error, id << " Link attached on unknown session!");
} else {
try {
session->second->attach(l);
QPID_LOG_CAT(debug, protocol, id << " link " << l << " attached on " << pn_link_session(l));
} catch (const std::exception& e) {
QPID_LOG_CAT(error, protocol, "Error on attach: " << e.what());
//TODO: set error details on detach when that is exposed via engine API
pn_link_close(l);
}
}
}
//handle deliveries
for (pn_delivery_t* delivery = pn_work_head(connection); delivery; delivery = pn_work_next(delivery)) {
pn_link_t* link = pn_delivery_link(delivery);
if (pn_link_is_receiver(link)) {
Sessions::iterator i = sessions.find(pn_link_session(link));
if (i != sessions.end()) {
i->second->readable(link, delivery);
} else {
pn_delivery_update(delivery, PN_REJECTED);
}
} else { //i.e. SENDER
Sessions::iterator i = sessions.find(pn_link_session(link));
if (i != sessions.end()) {
QPID_LOG(trace, id << " handling outgoing delivery for " << link << " on session " << pn_link_session(link));
i->second->writable(link, delivery);
} else {
QPID_LOG(error, id << " Got delivery for non-existent session: " << pn_link_session(link) << ", link: " << link);
}
}
}
for (pn_link_t* l = pn_link_head(connection, REQUIRES_CLOSE); l; l = pn_link_next(l, REQUIRES_CLOSE)) {
pn_link_close(l);
Sessions::iterator session = sessions.find(pn_link_session(l));
if (session == sessions.end()) {
QPID_LOG(error, id << " peer attempted to detach link on unknown session!");
} else {
session->second->detach(l);
QPID_LOG_CAT(debug, model, id << " link detached");
}
}
for (pn_session_t* s = pn_session_head(connection, REQUIRES_CLOSE); s; s = pn_session_next(s, REQUIRES_CLOSE)) {
pn_session_close(s);
Sessions::iterator i = sessions.find(s);
if (i != sessions.end()) {
i->second->close();
sessions.erase(i);
QPID_LOG_CAT(debug, model, id << " session ended");
} else {
QPID_LOG(error, id << " peer attempted to close unrecognised session");
}
}
if ((pn_connection_state(connection) & REQUIRES_CLOSE) == REQUIRES_CLOSE) {
QPID_LOG_CAT(debug, model, id << " connection closed");
pn_connection_close(connection);
}
}
/* runs the protocol engine, allowing it to handle TCP socket I/O and timer
* events in the background.
*/
static void *amqp1_thread(void *arg)
{
DBGPRINTF("omamqp1: Protocol thread started\n");
pn_handler_t *handler = (pn_handler_t *)arg;
protocolState_t *ps = PROTOCOL_STATE(handler);
const configSettings_t *cfg = ps->config;
// have pn_reactor_process() exit after 5 sec to poll for commands
pn_reactor_set_timeout(ps->reactor, 5000);
pn_reactor_start(ps->reactor);
while (!ps->stopped) {
// setup a connection:
const char *host = pn_url_get_host(cfg->url);
const char *port = pn_url_get_port(cfg->url);
if (!port) port = "5672";
#if PN_VERSION_MAJOR == 0 && PN_VERSION_MINOR >= 13
ps->conn = pn_reactor_connection_to_host(ps->reactor,
host,
port,
handler);
pn_connection_set_hostname(ps->conn, host);
#else
{
char host_addr[300];
ps->conn = pn_reactor_connection(ps->reactor, handler);
snprintf(host_addr, sizeof(host_addr), "%s:%s", host, port);
pn_connection_set_hostname(ps->conn, host_addr);
}
#endif
pn_connection_set_container(ps->conn, "rsyslogd-omamqp1");
#if PN_VERSION_MAJOR == 0 && PN_VERSION_MINOR >= 10
// proton version <= 0.9 did not support Cyrus SASL
const char *user = cfg->username
? (char *)cfg->username
: pn_url_get_username(cfg->url);
if (user)
pn_connection_set_user(ps->conn, user);
const char *pword = cfg->password
? (char *) cfg->password
: pn_url_get_password(cfg->url);
if (pword)
pn_connection_set_password(ps->conn, pword);
#endif
pn_connection_open(ps->conn);
pn_session_t *ssn = pn_session(ps->conn);
pn_session_open(ssn);
ps->sender = pn_sender(ssn, (char *)cfg->target);
pn_link_set_snd_settle_mode(ps->sender, PN_SND_UNSETTLED);
char *addr = (char *)ps->config->target;
pn_terminus_set_address(pn_link_target(ps->sender), addr);
pn_terminus_set_address(pn_link_source(ps->sender), addr);
pn_link_open(ps->sender);
// run the protocol engine until the connection closes or thread is shut down
sbool engine_running = true;
while (engine_running) {
engine_running = pn_reactor_process(ps->reactor);
_poll_command(ps);
}
DBGPRINTF("omamqp1: reactor finished\n");
_abort_command(ps); // unblock main thread if necessary
// delay reconnectDelay seconds before re-connecting:
int delay = ps->config->reconnectDelay;
while (delay-- > 0 && !ps->stopped) {
srSleep(1, 0);
_poll_command(ps);
}
}
pn_reactor_stop(ps->reactor);
// stop command is now done:
threadIPC_t *ipc = ps->ipc;
pthread_mutex_lock(&ipc->lock);
ipc->result = RS_RET_OK;
ipc->command = COMMAND_DONE;
pthread_cond_signal(&ipc->condition);
pthread_mutex_unlock(&ipc->lock);
DBGPRINTF("omamqp1: Protocol thread stopped\n");
return 0;
}
void client_callback(pn_connector_t *ctor)
{
struct client_context *ctx = pn_connector_context(ctor);
if (pn_connector_closed(ctor)) {
ctx->done = true;
}
pn_sasl_t *sasl = pn_connector_sasl(ctor);
while (pn_sasl_state(sasl) != PN_SASL_PASS) {
pn_sasl_state_t st = pn_sasl_state(sasl);
switch (st) {
case PN_SASL_IDLE:
return;
case PN_SASL_CONF:
if (ctx->mechanism && !strcmp(ctx->mechanism, "PLAIN")) {
pn_sasl_plain(sasl, ctx->username, ctx->password);
} else {
pn_sasl_mechanisms(sasl, ctx->mechanism);
pn_sasl_client(sasl);
}
break;
case PN_SASL_STEP:
if (pn_sasl_pending(sasl)) {
fprintf(stderr, "challenge failed\n");
ctx->done = true;
}
return;
case PN_SASL_FAIL:
fprintf(stderr, "authentication failed\n");
ctx->done = true;
return;
case PN_SASL_PASS:
break;
}
}
pn_connection_t *connection = pn_connector_connection(ctor);
char tagstr[1024];
char msg[ctx->size];
char data[ctx->size + 16];
for (int i = 0; i < ctx->size; i++) {
msg[i] = 'x';
}
size_t ndata = pn_message_data(data, ctx->size + 16, msg, ctx->size);
if (!ctx->init) {
ctx->init = true;
char container[1024];
if (gethostname(container, 1024)) pn_fatal("hostname lookup failed");
pn_connection_set_container(connection, container);
pn_connection_set_hostname(connection, ctx->hostname);
pn_session_t *ssn = pn_session(connection);
pn_connection_open(connection);
pn_session_open(ssn);
if (ctx->send_count) {
pn_link_t *snd = pn_sender(ssn, "sender");
pn_set_target(snd, ctx->address);
pn_link_open(snd);
char buf[16];
for (int i = 0; i < ctx->send_count; i++) {
sprintf(buf, "%x", i);
pn_delivery(snd, pn_dtag(buf, strlen(buf)));
}
}
if (ctx->recv_count) {
pn_link_t *rcv = pn_receiver(ssn, "receiver");
pn_set_source(rcv, ctx->address);
pn_link_open(rcv);
pn_flow(rcv, ctx->recv_count < ctx->high ? ctx->recv_count : ctx->high);
}
}
pn_delivery_t *delivery = pn_work_head(connection);
while (delivery)
{
pn_delivery_tag_t tag = pn_delivery_tag(delivery);
pn_quote_data(tagstr, 1024, tag.bytes, tag.size);
pn_link_t *link = pn_link(delivery);
if (pn_writable(delivery)) {
pn_send(link, data, ndata);
if (pn_advance(link)) {
if (!ctx->quiet) printf("sent delivery: %s\n", tagstr);
}
} else if (pn_readable(delivery)) {
if (!ctx->quiet) {
printf("received delivery: %s\n", tagstr);
printf(" payload = \"");
}
while (true) {
size_t n = pn_recv(link, msg, 1024);
if (n == PN_EOS) {
pn_advance(link);
pn_disposition(delivery, PN_ACCEPTED);
pn_settle(delivery);
if (!--ctx->recv_count) {
pn_link_close(link);
}
break;
} else if (!ctx->quiet) {
pn_print_data(msg, n);
}
}
if (!ctx->quiet) printf("\"\n");
if (pn_credit(link) < ctx->low && pn_credit(link) < ctx->recv_count) {
pn_flow(link, (ctx->recv_count < ctx->high ? ctx->recv_count : ctx->high) - pn_credit(link));
}
}
if (pn_updated(delivery)) {
if (!ctx->quiet) printf("disposition for %s: %u\n", tagstr, pn_remote_disposition(delivery));
pn_clear(delivery);
pn_settle(delivery);
if (!--ctx->send_count) {
pn_link_close(link);
}
}
delivery = pn_work_next(delivery);
}
if (!ctx->send_count && !ctx->recv_count) {
printf("closing\n");
// XXX: how do we close the session?
//pn_close((pn_endpoint_t *) ssn);
pn_connection_close(connection);
}
if (pn_connection_state(connection) == (PN_LOCAL_CLOSED | PN_REMOTE_CLOSED)) {
ctx->done = true;
}
}
void sender_dispatch(pn_handler_t *h, pn_event_t *event, pn_event_type_t type)
{
sender_context_t *sc = sender_context(h);
switch (type) {
case PN_CONNECTION_INIT:
{
pn_connection_t *conn = pn_event_connection(event);
pn_connection_set_container(conn, pn_string_get(sc->container_id));
pn_connection_set_hostname(conn, pn_string_get(sc->hostname));
pn_connection_open(conn);
pn_session_t *ssn = pn_session(conn);
pn_session_open(ssn);
pn_link_t *snd = pn_sender(ssn, "sender");
const char *path = pn_url_get_path(sc->send_url);
if (path && strlen(path)) {
pn_terminus_set_address(pn_link_target(snd), path);
pn_terminus_set_address(pn_link_source(snd), path);
}
pn_link_open(snd);
}
break;
case PN_LINK_FLOW:
{
pn_link_t *snd = pn_event_link(event);
while (pn_link_credit(snd) > 0 && sc->sent < sc->opts->msg_count) {
if (sc->sent == 0)
statistics_start(sc->stats);
char tag[8];
void *ptr = &tag;
*((uint64_t *) ptr) = sc->sent;
pn_delivery_t *dlv = pn_delivery(snd, pn_dtag(tag, 8));
// setup the message to send
pn_message_t *msg = sc->message;
pn_message_set_address(msg, sc->opts->targets.addresses[0]);
sc->id.u.as_ulong = sc->sent;
pn_message_set_correlation_id(msg, sc->id);
pn_message_set_creation_time(msg, msgr_now());
size_t size = sc->encoded_data_size;
int err = pn_message_encode(msg, sc->encoded_data, &size);
check(err == 0, "message encoding error");
pn_link_send(snd, sc->encoded_data, size);
pn_delivery_settle(dlv);
sc->sent++;
}
if (sc->sent == sc->opts->msg_count && !sc->opts->get_replies) {
pn_link_close(snd);
pn_connection_t *conn = pn_event_connection(event);
pn_connection_close(conn);
}
}
break;
case PN_LINK_INIT:
{
pn_link_t *link = pn_event_link(event);
if (pn_link_is_receiver(link)) {
// Response messages link. Could manage credit and deliveries in this handler but
// a dedicated handler also works.
pn_handler_t *replyto = replyto_handler(sc);
pn_flowcontroller_t *fc = pn_flowcontroller(1024);
pn_handler_add(replyto, fc);
pn_decref(fc);
pn_handshaker_t *handshaker = pn_handshaker();
pn_handler_add(replyto, handshaker);
pn_decref(handshaker);
pn_record_t *record = pn_link_attachments(link);
pn_record_set_handler(record, replyto);
pn_decref(replyto);
}
}
break;
case PN_CONNECTION_LOCAL_CLOSE:
{
statistics_report(sc->stats, sc->sent, sc->received);
}
break;
default:
break;
}
}
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;
}
void apply(connection& c) {
pn_connection_t *pnc = connection_options::pn_connection(c);
pn_transport_t *pnt = pn_connection_transport(pnc);
connector *outbound = dynamic_cast<connector*>(
connection_context::get(c).handler.get());
bool uninit = (c.state() & endpoint::LOCAL_UNINIT);
// pnt is NULL between reconnect attempts.
// Only apply transport options if uninit or outbound with
// transport not yet configured.
if (pnt && (uninit || (outbound && !outbound->transport_configured())))
{
// SSL
if (outbound && outbound->address().scheme() == url::AMQPS) {
pn_ssl_t *ssl = pn_ssl(pnt);
if (pn_ssl_init(ssl, ssl_client_options.value.pn_domain(), NULL))
throw error(MSG("client SSL/TLS initialization error"));
} else if (!outbound) {
pn_acceptor_t *pnp = pn_connection_acceptor(pnc);
if (pnp) {
listener_context &lc(listener_context::get(pnp));
if (lc.ssl) {
pn_ssl_t *ssl = pn_ssl(pnt);
if (pn_ssl_init(ssl, ssl_server_options.value.pn_domain(), NULL))
throw error(MSG("server SSL/TLS initialization error"));
}
}
}
// SASL
transport t = c.transport();
if (!sasl_enabled.set || sasl_enabled.value) {
if (sasl_enabled.set) // Explicitly set, not just default behaviour.
t.sasl(); // Force a sasl instance. Lazily create one otherwise.
if (sasl_allow_insecure_mechs.set)
t.sasl().allow_insecure_mechs(sasl_allow_insecure_mechs.value);
if (sasl_allowed_mechs.set)
t.sasl().allowed_mechs(sasl_allowed_mechs.value);
if (sasl_config_name.set)
t.sasl().config_name(sasl_config_name.value);
if (sasl_config_path.set)
t.sasl().config_path(sasl_config_path.value);
}
if (max_frame_size.set)
pn_transport_set_max_frame(pnt, max_frame_size.value);
if (max_channels.set)
pn_transport_set_channel_max(pnt, max_channels.value);
if (idle_timeout.set)
pn_transport_set_idle_timeout(pnt, idle_timeout.value.ms());
}
// Only apply connection options if uninit.
if (uninit) {
if (reconnect.set && outbound)
outbound->reconnect_timer(reconnect.value);
if (container_id.set)
pn_connection_set_container(pnc, container_id.value.c_str());
if (link_prefix.set)
connection_context::get(pnc).link_gen.prefix(link_prefix.value);
}
}