Created
December 16, 2020 15:01
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zmq dgram test
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// compile: gcc test-poll.c `pkg-config --cflags --libs libczmq` | |
#include "czmq.h" | |
// poll receive | |
int main() | |
{ | |
zsock_t* mdgramr = zsock_new_dgram ("udp://239.255.42.99:1151"); | |
assert (mdgramr); | |
char *mdmessage, *maddr; | |
zpoller_t *p = zpoller_new(mdgramr); | |
void *which = zpoller_wait(p, 1000); | |
assert(which == mdgramr); | |
zmsg_t *mdmsg = zmsg_recv( mdgramr ); | |
assert (mdmsg); | |
maddr = zmsg_popstr (mdmsg); | |
mdmessage = zmsg_popstr (mdmsg); | |
assert (streq(mdmessage, "HELLO")); | |
zmsg_destroy ( &mdmsg ); | |
zsock_destroy (&mdgramr); | |
zstr_free (&mdmessage); | |
zstr_free (&maddr); | |
zstr_free (&mdmessage); | |
} |
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// compile: gcc test-poll.c `pkg-config --cflags --libs libczmq` | |
#include "czmq.h" | |
// receive | |
int main() | |
{ | |
zsock_t* mdgramr = zsock_new_dgram ("udp://239.255.42.99:1151"); | |
assert (mdgramr); | |
char *mdmessage, *maddr; | |
zmsg_t *mdmsg = zmsg_recv( mdgramr ); | |
assert (mdmsg); | |
maddr = zmsg_popstr (mdmsg); | |
mdmessage = zmsg_popstr (mdmsg); | |
assert (streq(mdmessage, "HELLO")); | |
zmsg_destroy ( &mdmsg ); | |
zsock_destroy (&mdgramr); | |
zstr_free (&mdmessage); | |
zstr_free (&maddr); | |
zstr_free (&mdmessage); | |
} |
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// compile: gcc test-poll.c `pkg-config --cflags --libs libczmq` | |
#include "czmq.h" | |
// send | |
int main() | |
{ | |
zsock_t* mdgrams = zsock_new_dgram ("udp://*:*"); | |
assert (mdgrams); | |
int rc = zstr_sendm( mdgrams, "239.255.42.99:1151" ); | |
assert (rc == 0); | |
rc = zstr_send (mdgrams, "HELLO"); | |
assert (rc == 0); | |
zsock_destroy (&mdgrams); | |
} |
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// compile: gcc test-poll.c `pkg-config --cflags --libs libczmq` | |
#include "czmq.h" | |
// send and receive | |
int main() | |
{ | |
zsock_t* mdgramr = zsock_new_dgram ("udp://225.25.25.25:7777"); | |
assert (mdgramr); | |
zsock_t* mdgrams = zsock_new_dgram ("udp://*:*"); | |
assert (mdgrams); | |
int rc = zstr_sendm( mdgrams, "225.25.25.25:7777" ); | |
assert (rc == 0); | |
rc = zstr_send (mdgrams, "HELLO"); | |
assert (rc == 0); | |
char *mdmessage, *maddr; | |
zmsg_t *mdmsg = zmsg_recv( mdgramr ); | |
assert (mdmsg); | |
maddr = zmsg_popstr (mdmsg); | |
mdmessage = zmsg_popstr (mdmsg); | |
assert (streq(mdmessage, "HELLO")); | |
zmsg_destroy ( &mdmsg ); | |
zsock_destroy (&mdgrams); | |
zsock_destroy (&mdgramr); | |
zstr_free (&mdmessage); | |
zstr_free (&maddr); | |
zstr_free (&mdmessage); | |
} |
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