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					57 lines
				
				1.1 KiB
			
		
		
			
		
	
	
					57 lines
				
				1.1 KiB
			| 
											6 years ago
										 | #include <future>
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|  | #include <cassert>
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|  | #include <iostream>
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|  | #include <cstring>
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|  | #include <thread>
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|  | 
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|  | #include <nng/nng.h>
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|  | #include <nng/protocol/pubsub0/pub.h>
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|  | #include <nng/protocol/pubsub0/sub.h>
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|  | 
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|  | nng_socket sub_sock(const char *endpoint) {
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|  |   nng_socket sock;
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|  |   int r;
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|  |   r = nng_sub0_open(&sock);
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|  |   assert(r == 0);
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|  | 
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|  |   nng_setopt(sock, NNG_OPT_SUB_SUBSCRIBE, "", 0);
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|  | 
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|  |   while (true){
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|  |     r = nng_dial(sock, endpoint, NULL, 0);
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|  | 
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|  |     if (r == 0){
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|  |       break;
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|  |     }
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|  |     std::this_thread::sleep_for(std::chrono::milliseconds(10));
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|  | 
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|  |   }
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|  |   return sock;
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|  | }
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|  | 
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|  | nng_socket pub_sock(const char *endpoint){
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|  |   nng_socket sock;
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|  |   int r;
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|  |   r = nng_pub0_open(&sock);
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|  |   assert(r == 0);
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|  |   r = nng_listen(sock, endpoint, NULL, 0);
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|  |   assert(r == 0);
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|  | 
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|  |   return sock;
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|  | }
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|  | 
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|  | int main(int argc, char *argv[]) {
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|  |   // auto p_sock = pub_sock("tcp://*:10004");
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|  |   // auto s_sock = sub_sock("tcp://127.0.0.1:10003");
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|  | 
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|  |   auto p_sock = pub_sock("ipc:///tmp/feeds/2");
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|  |   auto s_sock = sub_sock("ipc:///tmp/feeds/3");
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|  | 
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|  |   while (true){
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|  |     nng_msg *msg;
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|  |     nng_recvmsg(s_sock, &msg, 0);
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|  |     nng_sendmsg(p_sock, msg, 0);
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|  |   }
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|  | 
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|  |   return 0;
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|  | }
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