int main()
{
printf("Connection to hello world server....\n");
void *context = zmq_ctx_new();
void *socket = zmq_socket(context, ZMQ_REQ);
zmq_connect(socket, "tcp://localhost:8888");
int request_no;
for(request_no = 0; request_no != 10; ++request_no) {
char buffer[10];
printf("Sending Hello %d...\n", request_no);
if(-1 == zmq_send(socket, "Hello", 5, 0)){
printf("send message error, %d, %s\n", errno, zmq_strerror(errno));
break;
}
// zmq_recv(socket, buffer, 10, 0);
// printf("Received world %d\n", request_no);
}
zmq_close(socket);
zmq_ctx_destroy(context);
return 0;
}
int main(void)
{
// Prepare our context and subscriber
void *context = zmq_ctx_new();
void *subscriber = zmq_socket(context, ZMQ_SUB);
zmq_connect(subscriber, "tcp://localhost:5563");
zmq_setsockopt(subscriber, ZMQ_SUBSCRIBE, "B", 1);
while (1) {
// Read envelope with address
char *address = s_recv(subscriber);
// Read messages contents
char *contents = s_recv(subscriber);
printf("[%s] %s\n", address, contents);
free(address);
free(contents);
}
// We never get here, but clean up anyhow
zmq_close(subscriber);
zmq_ctx_destroy(context);
return 0;
}
int main (void)
{
void *context = zmq_ctx_new ();
// Socket facing clients
void *frontend = zmq_socket (context, ZMQ_ROUTER);
int rc = zmq_bind (frontend, "tcp://*:5559");
assert (rc == 0);
// Socket facing services
void *backend = zmq_socket (context, ZMQ_DEALER);
rc = zmq_bind (backend, "tcp://*:5560");
assert (rc == 0);
// Start the proxy
zmq_proxy (frontend, backend, NULL);
// We never get here...
zmq_close (frontend);
zmq_close (backend);
zmq_ctx_destroy (context);
return 0;
}
int main (void)
{
printf ("Connecting to hello world server…\n");
/*创建一个新的上下文*/
void *context = zmq_ctx_new ();
void *requester = zmq_socket (context, ZMQ_REQ);
/*通过tcp协议，5555端口，连接本机服务端*/
zmq_connect (requester, "tcp://localhost:5555");
int request_nbr;
for (request_nbr = 0; request_nbr != 10; request_nbr++) {
char buffer [10];
printf ("Sending Hello %d…\n", request_nbr);
zmq_send (requester, "Hello", 5, 0);
zmq_recv (requester, buffer, 10, 0);
printf ("Received World %d\n", request_nbr);
}
zmq_close (requester);
zmq_ctx_destroy (context);
return 0;
}
struct router_context* router_init(int port, const char *host) {
struct router_context *ctx = (struct router_context*)malloc(sizeof(struct router_context));
if (ctx == NULL) {
syslog(LOG_CRIT, "router_init: cannot allocate memory");
return NULL;
}
ctx->zmq_ctx = zmq_ctx_new();
ctx->zmq_sock = zmq_socket(ctx->zmq_ctx, ZMQ_PAIR);
if (ctx->zmq_sock == NULL) {
syslog(LOG_CRIT, "router_init: failed to create syscall socket");
return NULL;
}
syslog(LOG_DEBUG, "router_init: created syscall socket");
char zmq_port_str[256];
sprintf(zmq_port_str, "tcp://%s:%d", host, port);
syslog(LOG_INFO, "Starting router at %s", zmq_port_str);
int ret = zmq_bind(ctx->zmq_sock, zmq_port_str);
if (ret != 0) {
syslog(LOG_CRIT, "router_init: failed to bind router socket. Zmq_bind returned %d", ret);
}
//TODO: check ctx_new, socket and bind return codes
syslog(LOG_DEBUG, "router_init: initializing process list lock");
if (pthread_mutex_init(&ctx->process_list_lock, NULL) != 0) {
syslog(LOG_ERR, "router_init: cannot initialize socket list mutex");
return NULL;
}
ctx->process_list = NULL;
return ctx;
}
void Server::serve(const char* address) {
void* context;
void* socket;
zmq_msg_t message;
POMAGMA_INFO("Starting server");
POMAGMA_ASSERT_C((context = zmq_ctx_new()));
POMAGMA_ASSERT_C((socket = zmq_socket(context, ZMQ_REP)));
POMAGMA_ASSERT_C(0 == zmq_bind(socket, address));
while (true) {
POMAGMA_DEBUG("waiting for request");
POMAGMA_ASSERT_C(0 == zmq_msg_init(&message));
POMAGMA_ASSERT_C(-1 != zmq_msg_recv(&message, socket, 0));
POMAGMA_DEBUG("parsing request");
protobuf::AnalystRequest request;
bool parsed = request.ParseFromArray(zmq_msg_data(&message),
zmq_msg_size(&message));
POMAGMA_ASSERT(parsed, "Failed to parse request");
POMAGMA_ASSERT_C(0 == zmq_msg_close(&message));
protobuf::AnalystResponse response = handle(*this, request);
POMAGMA_DEBUG("serializing response");
std::string response_str;
response.SerializeToString(&response_str);
const int size = response_str.length();
POMAGMA_ASSERT_C(0 == zmq_msg_init(&message));
POMAGMA_ASSERT_C(0 == zmq_msg_init_size(&message, size));
memcpy(zmq_msg_data(&message), response_str.c_str(), size);
POMAGMA_DEBUG("sending response");
POMAGMA_ASSERT_C(size == zmq_msg_send(&message, socket, 0));
POMAGMA_ASSERT_C(0 == zmq_msg_close(&message));
}
}
static void *worker_proc(void *userdata){
zmq_thread_data_t *ztd = userdata;
ztd->ctx = zmq_ctx_new ();
ztd->socket = zmq_socket(ztd->ctx,ZMQ_PULL);
char url[256];
sprintf(url, "tcp://%s:5557", ztd->server_ip);
zmq_connect(ztd->socket, url);
char file_prefix[256];
config_t *conf = ztd->conf;
sprintf(file_prefix, "%s-%s", ztd->server_ip, conf->file_prefix);
ztd->logger = create_logger(conf->home_dir, file_prefix, conf->max_file_count, conf->file_size_limit);
struct tm *ptm;
char query_log[1024];
char datetime[100];
char buf[1024];
int msg_len;
time_t tt;
LogMessage *msg;
pthread_t _pid = pthread_self();
while(run)
{
msg_len = zmq_recv(ztd->socket, buf, MAX_MSG_SIZE, 0);
msg = log_message__unpack(NULL, msg_len, buf);
tt = msg->date;
ptm = localtime(&tt);
strftime(datetime, 100, "%Y-%m-%d %H:%M:%S ", ptm);
sprintf(query_log, "%s %s %s: %s %d %d\n", datetime, msg->cip, msg->view, msg->domain, msg->rtype, msg->rcode);
log_msg(ztd->logger, query_log);
log_message__free_unpacked(msg, NULL);
if (ztd->count++%100000== 0)
{
printf(query_log);
printf("!!! thread %d:msglen %d count....%d\n", (int)_pid, msg_len, ztd->count);
}
}
}
void test_pair_tcp (extra_func_t extra_func_ = NULL)
{
size_t len = MAX_SOCKET_STRING;
char my_endpoint[MAX_SOCKET_STRING];
void *ctx = zmq_ctx_new ();
assert (ctx);
void *sb = zmq_socket (ctx, ZMQ_PAIR);
assert (sb);
if (extra_func_)
extra_func_ (sb);
int rc = zmq_bind (sb, "tcp://127.0.0.1:*");
assert (rc == 0);
rc = zmq_getsockopt (sb, ZMQ_LAST_ENDPOINT, my_endpoint, &len);
assert (rc == 0);
void *sc = zmq_socket (ctx, ZMQ_PAIR);
assert (sc);
if (extra_func_)
extra_func_ (sc);
rc = zmq_connect (sc, my_endpoint);
assert (rc == 0);
bounce (sb, sc);
rc = zmq_close (sc);
assert (rc == 0);
rc = zmq_close (sb);
assert (rc == 0);
rc = zmq_ctx_term (ctx);
assert (rc == 0);
}
int main (void)
{
setup_test_environment();
void *ctx = zmq_ctx_new ();
assert (ctx);
const char *binds [] = { "inproc://a", "tcp://127.0.0.1:5555" };
const char *connects [] = { "inproc://a", "tcp://localhost:5555" };
for (int transport = 0; transport < 2; ++transport) {
bind_address = binds [transport];
connect_address = connects [transport];
// PUSH: SHALL route outgoing messages to connected peers using a
// round-robin strategy.
test_push_round_robin_out (ctx);
// PULL: SHALL receive incoming messages from its peers using a fair-queuing
// strategy.
test_pull_fair_queue_in (ctx);
// PUSH: SHALL block on sending, or return a suitable error, when it has no
// available peers.
test_push_block_on_send_no_peers (ctx);
// PUSH and PULL: SHALL create this queue when a peer connects to it. If
// this peer disconnects, the socket SHALL destroy its queue and SHALL
// discard any messages it contains.
// *** Test disabled until libzmq does this properly ***
// test_destroy_queue_on_disconnect (ctx);
}
int rc = zmq_ctx_term (ctx);
assert (rc == 0);
return 0 ;
}
/*
* LastValueCache
*
* This class acts as an aggregating proxy for all statistics generated by the product code.
* Statistics are internally sent over inproc:// connections encapsulated in Subscription
* envelopes and externally are sent over a tcp:// publishing socket on port 6666.
*
* This proxy also caches the last known value for a statistic and re-publishes it when a
* subscriber registers interest. This allows a client to poll the last known value easily.
*/
LastValueCache::LastValueCache(int statcount,
std::string *statnames,
long poll_timeout_ms) : //< Poll period in milliseconds
_statcount(statcount),
_statnames(statnames),
_poll_timeout_ms(poll_timeout_ms),
_terminate(false)
{
LOG_DEBUG("Initializing statistics aggregator");
_context = zmq_ctx_new();
_subscriber = new void *[_statcount];
// Bind all the sockets first, before we try to connect. This is a
// limitation of inproc sockets. See
// http://zguide.zeromq.org/page:all#Unicast-Transports
// and the thread at
// http://lists.zeromq.org/pipermail/zeromq-dev/2010-November/008012.html
// for the issues leading to this design.
for (int ii = 0; ii < _statcount; ii++)
{
std::string statname = _statnames[ii];
void* publisher = zmq_socket(_context, ZMQ_PUB);
zmq_bind(publisher, ("inproc://" + statname).c_str());
_internal_publishers[statname] = publisher;
LOG_DEBUG("Opened statistics socket inproc://%s", statname.c_str());
}
int rc = pthread_create(&_cache_thread,
NULL,
&last_value_cache_entry_func,
(void *)this);
if (rc < 0)
{
LOG_ERROR("Failed to start statistics aggregator, no statistics will be available");
}
}
int main (void)
{
void *ctx = zmq_ctx_new ();
assert (ctx);
const char *binds [] = { "inproc://a", "tcp://*:5555" };
const char *connects [] = { "inproc://a", "tcp://localhost:5555" };
for (int transport = 0; transport < 2; transport++) {
bind_address = binds [transport];
connect_address = connects [transport];
// SHALL route outgoing messages to connected peers using a round-robin
// strategy.
test_round_robin_out (ctx);
// The request and reply messages SHALL have this format on the wire:
// * A delimiter, consisting of an empty frame, added by the REQ socket.
// * One or more data frames, comprising the message visible to the
// application.
test_req_message_format (ctx);
// SHALL block on sending, or return a suitable error, when it has no
// connected peers.
test_block_on_send_no_peers (ctx);
// SHALL accept an incoming message only from the last peer that it sent a
// request to.
// SHALL discard silently any messages received from other peers.
test_req_only_listens_to_current_peer (ctx);
}
int rc = zmq_ctx_term (ctx);
assert (rc == 0);
return 0 ;
}
int main(void) {
void *context = zmq_ctx_new();
// set up sender to send messages to the sb
void *sender = zmq_socket(context, ZMQ_PUSH);
zmq_connect(sender, "ipc:///tmp/zero_sb_in");
printf("PO: Connected to SB to send messages\n");
// set up subscriber to get new messages from subscribed MIDs
void *subscriber = zmq_socket(context, ZMQ_SUB);
int rc = zmq_connect(subscriber, "ipc:///tmp/zero_sb_pub");
assert(rc == 0);
printf("PO: Connected to SB to receive messages\n");
char *filter = "10";
rc = zmq_setsockopt(subscriber, ZMQ_SUBSCRIBE, filter, strlen(filter));
assert(rc == 0);
printf("PO: \tAnd the filter is in place.\n");
// Wait for a ping
char buffer[256];
rc = zmq_recv(subscriber, buffer, 256, 0);
if (rc > 255) {
printf("PO: I can't handle this\n");
} else {
buffer[rc] = '\0';
printf("PO: Received: %s\n", buffer);
}
// Respond with a pong
zmq_send(sender, "11 pong", 7, 0);
zmq_close(sender);
zmq_close(subscriber);
zmq_ctx_destroy(context);
return 0;
}
void* ZmqClient::createSocket()
{
int timeout = 100;
int result = 0;
void *context = zmq_ctx_new();
void *backend = zmq_socket(context, ZMQ_PUSH);
if (!backend)
{
return NULL;
}
result = zmq_connect(backend, ZBROKER_FRONTEND_SOCKET);
if (result != 0)
{
zmq_close(backend);
return NULL;
}
result = zmq_setsockopt(backend, ZMQ_SNDTIMEO, &timeout, sizeof(int));
if (result != 0)
{
zmq_disconnect(backend, ZBROKER_FRONTEND_SOCKET);
zmq_close(backend);
return NULL;
}
result = zmq_setsockopt(backend, ZMQ_RCVTIMEO, &timeout, sizeof(int));
if (result != 0)
{
zmq_disconnect(backend, ZBROKER_FRONTEND_SOCKET);
zmq_close(backend);
return NULL;
}
return backend;
}
int main(int argc, char *argv[]) {
if (argc != 2) {
usage(1);
}
void *ctx = zmq_ctx_new();
void *publisher = zmq_socket(ctx, ZMQ_PUSH);
int rc = zmq_connect(publisher, argv[1]);
assert(rc == 0);
while (!feof(stdin)) {
if (fgets(buffer, BUFFER_SIZE, stdin) != NULL) {
zmq_send(publisher, buffer, strlen(buffer), 0);
}
}
zmq_close(publisher);
zmq_ctx_destroy(ctx);
return 0;
}
int main(void)
{
void *context = zmq_ctx_new();
void *publisher = zmq_socket(context, ZMQ_PUB);
int rc = zmq_bind(publisher, "tcp://*:8080");
assert (rc == 0);
srandom((unsigned)time(NULL));
while(1)
{
int zipcode, temperature, relhumidity;
zipcode = randof(100000);
temperature = randof(215) - 80;
relhumidity = randof(50) + 10;
char update[20];
sprintf(update, "%05d %d %d", zipcode, temperature, relhumidity);
s_send(publisher, update);
}
zmq_close(publisher);
zmq_ctx_destroy(context);
return 0;
}
/**
* constructor
*/
static void* zmq_new(void)
{
t_zmq *x = (t_zmq *)pd_new(zmq_class);
char v[64];
sprintf(v, "version: %i.%i.%i", ZMQ_VERSION_MAJOR, ZMQ_VERSION_MINOR, ZMQ_VERSION_PATCH);
post(v);
#if ZMQ_VERSION_MAJOR > 2
x->zmq_context = zmq_ctx_new();
#else
x->zmq_context = zmq_init(1);
#endif
if(x->zmq_context) {
post("ØMQ context initialized");
x->s_out = outlet_new(&x->x_obj, &s_symbol);
x->x_clock = clock_new(x, (t_method)_zmq_msg_tick);
// x->s_out = outlet_new(&x->x_obj, &s_float);
} else {
post("ØMQ context failed to initialize");
}
return (void *)x;
}
void test_ctx_shutdown()
{
int rc;
// Set up our context and sockets
void *ctx = zmq_ctx_new ();
assert (ctx);
void *socket = zmq_socket (ctx, ZMQ_PULL);
assert (socket);
// Spawn a thread to receive on socket
void *receiver_thread = zmq_threadstart (&receiver, socket);
// Wait for thread to start up and block
msleep (SETTLE_TIME);
// Test error - Shutdown context
rc = zmq_ctx_shutdown (NULL);
assert (rc == -1 && errno == EFAULT);
// Shutdown context, if we used destroy here we would deadlock.
rc = zmq_ctx_shutdown (ctx);
assert (rc == 0);
// Wait for thread to finish
zmq_threadclose (receiver_thread);
// Close the socket.
rc = zmq_close (socket);
assert (rc == 0);
// Destory the context, will now not hang as we have closed the socket.
rc = zmq_ctx_destroy (ctx);
assert (rc == 0);
}
int main (void)
{
setup_test_environment();
// Create the infrastructure
void *ctx = zmq_ctx_new ();
assert (ctx);
void *sb = zmq_socket (ctx, ZMQ_ROUTER);
assert (sb);
int val = 0;
int rc = zmq_setsockopt (sb, ZMQ_LINGER, &val, sizeof (val));
assert (rc == 0);
do_bind_and_verify (sb, "tcp://127.0.0.1:5560");
do_bind_and_verify (sb, "tcp://127.0.0.1:5561");
rc = zmq_close (sb);
assert (rc == 0);
rc = zmq_ctx_term (ctx);
assert (rc == 0);
return 0 ;
}
void operator()() const {
void* context = zmq_ctx_new();
void* socket = zmq_socket(context, ZMQ_REQ);
std::vector< char > buffer(0x100, char(0));
zmq_setsockopt(socket, ZMQ_IDENTITY, &id_, sizeof(id_));
zmq_connect(socket, BACKEND_URI);
zmq_send(socket, &WORKER_READY, sizeof(WORKER_READY), 0);
int client_id = -1;
int rc = -1;
while(true) {
zmq_recv(socket, &client_id, sizeof(client_id), 0);
rc = zmq_recv(socket, 0, 0, 0);
//assert(rc == 0);
rc = zmq_recv(socket, &buffer[0], buffer.size(), 0);
buffer[rc] = char(0);
const std::string txt(&buffer[0]);
std::copy(txt.rbegin(), txt.rend(), buffer.begin());
zmq_send(socket, &client_id, sizeof(client_id), ZMQ_SNDMORE);
zmq_send(socket, 0, 0, ZMQ_SNDMORE);
zmq_send(socket, &buffer[0], txt.size(), 0);
}
zmq_close(socket);
zmq_ctx_destroy(context);
}
ExportInterface::ExportInterface(const char *_endpoint, const char *_topic) {
topic = strdup(_topic), endpoint = strdup(_endpoint);
if((context = zmq_ctx_new()) == NULL) {
const char *msg = "Unable to initalize ZMQ context";
ntop->getTrace()->traceEvent(TRACE_ERROR, msg);
throw(msg);
}
if((publisher = zmq_socket(context, ZMQ_PUB)) == NULL) {
const char *msg = "Unable to create ZMQ socket";
ntop->getTrace()->traceEvent(TRACE_ERROR, msg);
throw(msg);
}
if(zmq_bind(publisher, endpoint) != 0)
ntop->getTrace()->traceEvent(TRACE_ERROR, "Unable to bind ZMQ endpoint %s: %s",
endpoint, strerror(errno));
else
ntop->getTrace()->traceEvent(TRACE_NORMAL,
"Succesfully created ZMQ endpoint %s", endpoint);
}
static int worker()
{
unsigned char exit_status;
int ret;
void *ctx = zmq_ctx_new();
void *sock = zmq_socket(ctx, ZMQ_REP);
zmq_connect(sock, WORKER_IPC);
while (1) {
exit_status = 1;
ret = process_msg(sock, &exit_status);
if (ret < 0) {
if (ret == -2)
break;
printf("Failed to receive/process message\n");
}
send_response(sock, ret, exit_status);
}
printf("Worker shutting down...\n");
ret = zmq_close(sock);
if (ret < 0)
fprintf(stderr, "Failed to close socket\n");
ret = zmq_ctx_destroy(ctx);
if(ret < 0)
fprintf(stderr, "Failed to stop ZMQ\n");
return 0;
}
int main(void)
{
struct timespec tsOut, tsIn;
printf("Connecting to hello world server…\n");
void *context = zmq_ctx_new();
void *requester = zmq_socket(context, ZMQ_REQ);
zmq_connect(requester, "tcp://localhost:5555");
int request_nbr;
for (request_nbr = 0; request_nbr != 10; request_nbr++) {
printf("Sending Ping %d…\n", request_nbr);
clock_gettime(CLOCK_MONOTONIC, &tsOut);
zmq_send(requester, (void *)&tsOut, sizeof(tsOut), 0);
zmq_recv(requester, (void *)&tsIn, sizeof(tsIn), 0);
clock_gettime(CLOCK_MONOTONIC, &tsIn);
double dt = ts2d(diff(tsOut, tsIn));
printf("Received Pong %d in %.9lf sec\n", request_nbr, dt);
}
zmq_close(requester);
zmq_ctx_destroy(context);
return 0;
}
int main(void)
{
int ret;
void *context = zmq_ctx_new();
rep = zmq_socket(context, ZMQ_REP);
req = zmq_socket(context, ZMQ_REQ);
ret = zmq_bind(rep, "tcp://*:2002");
assert(ret == 0);
ret = zmq_bind(req, "tcp://*:2003");
assert(ret == 0);
pthread_t pid;
if (pthread_create(&pid, NULL, run, NULL) != 0) {
printf("create pthread failed.");
return -1;
}
sleep(2);
struct timeval tv;
char buf[256];
while (1) {
tv.tv_sec = 1;
tv.tv_usec = 0;
select(0, NULL, NULL, NULL, &tv);
ret = zmq_send(req, "req from server", 16, 0);
assert(ret == 16);
zmq_recv(req, buf, sizeof(buf), 0);
printf("req recv: %s\n", buf);
}
pthread_join(pid, NULL);
return 0;
}
int main(void) {
ServiceSpec *serviceSpec = (ServiceSpec *)malloc(sizeof(ServiceSpec));
if (serviceSpec != NULL) {
serviceSpec->address = "127.0.0.1";
serviceSpec->port = 1234;
init(serviceSpec, NULL);
void *ctx = zmq_ctx_new();
void *req = zmq_socket(ctx, ZMQ_REQ);
int rc = zmq_connect(req, "tcp://127.0.0.1:1234");
if (rc == -1)
puts("client connect failed");
// Send message from client to server
rc = zmq_send(req, "rose", 4, 0);
if (rc == -1)
puts("client send failed");
puts("waitng for message");
receive(handler);
done();
free(serviceSpec);
zmq_close(req);
zmq_ctx_term(ctx);
}
exit(EXIT_FAILURE);
}
int main (void)
{
setup_test_environment();
void *ctx = zmq_ctx_new ();
assert (ctx);
void *sb = zmq_socket (ctx, ZMQ_DEALER);
assert (sb);
int rc = zmq_bind (sb, "ipc://@tmp-tester");
assert (rc == 0);
char endpoint[200];
size_t size = sizeof(endpoint);
rc = zmq_getsockopt (sb, ZMQ_LAST_ENDPOINT, endpoint, &size);
assert (rc == 0);
rc = strncmp(endpoint, "ipc://@tmp-tester", size);
assert (rc == 0);
void *sc = zmq_socket (ctx, ZMQ_DEALER);
assert (sc);
rc = zmq_connect (sc, "ipc://@tmp-tester");
assert (rc == 0);
bounce (sb, sc);
rc = zmq_close (sc);
assert (rc == 0);
rc = zmq_close (sb);
assert (rc == 0);
rc = zmq_ctx_term (ctx);
assert (rc == 0);
return 0 ;
}
int
main(int argc, char* argv[])
{
char buf[128] = {0};
void* ctx = zmq_ctx_new();
void* sinker = zmq_socket(ctx, ZMQ_PULL);
zmq_bind(sinker, "tcp://*:6666");
fprintf(stdout, "sinker server init success ...\n");
fprintf(stdout, "wait for ===> \n");
zmq_recv(sinker, buf, sizeof(buf), 0);
fprintf(stdout, "\t%s\n", buf);
while (1) {
memset(buf, 0, sizeof(buf));
zmq_recv(sinker, buf, sizeof(buf), 0);
fprintf(stdout, "%s\n", buf);
}
zmq_close(sinker);
zmq_ctx_destroy(ctx);
return 0;
}
int main (void)
{
void *ctx = zmq_ctx_new ();
assert (ctx);
int rc;
void *sb = zmq_socket (ctx, ZMQ_PULL);
assert (sb);
rc = zmq_bind (sb, "inproc://a");
assert (rc == 0);
msleep (SETTLE_TIME);
void *sc = zmq_socket (ctx, ZMQ_PUSH);
rc = zmq_connect (sc, "inproc://a");
assert (rc == 0);
// message bigger than vsm max
do_check(sb,sc,100);
// message smaller than vsm max
do_check(sb,sc,10);
rc = zmq_close (sc);
assert (rc == 0);
rc = zmq_close (sb);
assert (rc == 0);
rc = zmq_ctx_term (ctx);
assert (rc == 0);
return 0;
}
int main(void)
{
pthread_t frontend,backend,switchend;
void *context = zmq_ctx_new();
routine_arg_t arg;
arg.context = context;
arg.switch_port = 9999;
arg.direct_port = 10000;
arg.device_port = 9000;
s_sleep(100);
pthread_create(&frontend, NULL, direct_routine, &arg);
s_sleep(1000);
pthread_create(&switchend, NULL, switch_routine, &arg);
s_sleep(1000);
pthread_create(&backend, NULL, device_routine, &arg);
s_sleep(1000000);
//我喜欢简单粗暴.. 所有没有关闭线程就退出了:)
return 0;
}
int main(int argc, char *argv[])
{
// Socket to talk to server
printf("Collecting updates from weather server...\n");
void *context = zmq_ctx_new();
void *subscriber = zmq_socket(context, ZMQ_SUB);
int rc = zmq_connect(subscriber, "tcp://localhost:5556");
assert(rc == 0);
// Subscriber to zipcode, default is NYC, 10001
char *filter = (argc > 1)? argv[1] : "10001 ";
rc = zmq_setsockopt(subscriber, ZMQ_SUBSCRIBE, filter, strlen(filter));
assert(rc == 0);
// Process 100 updates
int update_nbr;
long total_temp = 0;
for(update_nbr=0; update_nbr < 100;update_nbr++)
{
char *string = s_recv(subscriber);
int zipcode, temperature, relhumidity;
sscanf(string, "%d %d %d", &zipcode, &temperature, &relhumidity);
printf("%03d ", update_nbr);
printf(string);
printf(" %d\n");
total_temp += temperature;
free(string);
}
printf("Average temperature for zipcode '%s' was %dF\n", filter, (int)(total_temp/update_nbr));
zmq_close(subscriber);
zmq_ctx_destroy(context);
return 0;
}
// Basic request-reply client using REQ socket
// Because s_send and s_recv can't handle 0MQ binary identities, we
// set a printable text identity to allow routing.
//
static void *client_task(void *args)
{
void *context = zmq_ctx_new();
void *client = zmq_socket(context, ZMQ_REQ);
#if (defined (WIN32))
s_set_id(client, (intptr_t)args);
zmq_connect(client, "tcp://localhost:5672"); // frontend
#else
s_set_id(client); // Set a printable identity
zmq_connect(client, "ipc://frontend.ipc");
#endif
// Send request, get reply
s_send(client, "HELLO");
char *reply = s_recv(client);
printf("Client: %s\n", reply);
free(reply);
zmq_close(client);
zmq_ctx_destroy(context);
return NULL;
}
