| | |
| | | # Compiled Static libraries |
| | | *.lai |
| | | *.la |
| | | *.lib |
| | | |
| | | # Executables |
| | | *.exe |
| | |
| | | include $(ROOT)/Make.defines.$(PLATFORM) |
| | | |
| | | |
| | | PROGS = nng/pubsub |
| | | PROGS = nng/server nng/client |
| | | |
| | | build: $(PROGS) |
| | | |
New file |
| | |
| | | |
| | | |
| | | #include <stdio.h> |
| | | #include <stdlib.h> |
| | | #include <string.h> |
| | | #include <unistd.h> |
| | | |
| | | #include <nng/nng.h> |
| | | #include <nng/protocol/bus0/bus.h> |
| | | |
| | | void |
| | | fatal(const char *func, int rv) |
| | | { |
| | | fprintf(stderr, "%s: %s\n", func, nng_strerror(rv)); |
| | | exit(1); |
| | | } |
| | | |
| | | int |
| | | node(int argc, char **argv) |
| | | { |
| | | nng_socket sock; |
| | | int rv; |
| | | size_t sz; |
| | | |
| | | if ((rv = nng_bus0_open(&sock)) != 0) { |
| | | fatal("nng_bus0_open", rv); |
| | | } |
| | | if ((rv = nng_listen(sock, argv[2], NULL, 0)) != 0) { |
| | | fatal("nng_listen", rv); |
| | | } |
| | | |
| | | sleep(1); // wait for peers to bind |
| | | if (argc >= 3) { |
| | | for (int x = 3; x < argc; x++) { |
| | | if ((rv = nng_dial(sock, argv[x], NULL, 0)) != 0) { |
| | | fatal("nng_dial", rv); |
| | | } |
| | | } |
| | | } |
| | | |
| | | sleep(1); // wait for connects to establish |
| | | |
| | | // SEND |
| | | sz = strlen(argv[1]) + 1; // '\0' too |
| | | printf("%s: SENDING '%s' ONTO BUS\n", argv[1], argv[1]); |
| | | if ((rv = nng_send(sock, argv[1], sz, 0)) != 0) { |
| | | fatal("nng_send", rv); |
| | | } |
| | | |
| | | // RECV |
| | | for (;;) { |
| | | char *buf = NULL; |
| | | size_t sz; |
| | | if ((rv = nng_recv(sock, &buf, &sz, NNG_FLAG_ALLOC)) !=0) { |
| | | if (rv == NNG_ETIMEDOUT) { |
| | | fatal("nng_recv", rv); |
| | | } |
| | | } |
| | | printf("%s: RECEIVED '%s' FROM BUS\n", argv[1], buf); |
| | | nng_free(buf, sz); |
| | | } |
| | | nng_close(sock); |
| | | return (0); |
| | | } |
| | | |
| | | int |
| | | main(int argc, char **argv) |
| | | { |
| | | if (argc >= 3) { |
| | | return (node(argc, argv)); |
| | | } |
| | | fprintf(stderr, "Usage: bus <NODE_NAME> <URL> <URL> ...\n"); |
| | | return 1; |
| | | } |
New file |
| | |
| | | ./bus node0 ipc:///tmp/node0.ipc ipc:///tmp/node1.ipc ipc:///tmp/node2.ipc & node0=$! |
| | | ./bus node1 ipc:///tmp/node1.ipc ipc:///tmp/node2.ipc ipc:///tmp/node3.ipc & node1=$! |
| | | ./bus node1 ipc:///tmp/node1.ipc ipc:///tmp/node3.ipc & node1=$! |
| | | ./bus node2 ipc:///tmp/node2.ipc ipc:///tmp/node3.ipc & node2=$! |
| | | ./bus node3 ipc:///tmp/node3.ipc ipc:///tmp/node0.ipc & node3=$! |
| | | sleep 5 |
| | | kill $node0 $node1 $node2 $node3 |
New file |
| | |
| | | #include <stdlib.h> |
| | | #include <stdio.h> |
| | | #include <string.h> |
| | | #include <time.h> |
| | | |
| | | #include <nng/nng.h> |
| | | #include <nng/protocol/reqrep0/rep.h> |
| | | #include <nng/protocol/reqrep0/req.h> |
| | | |
| | | #define NODE0 "node0" |
| | | #define NODE1 "node1" |
| | | #define DATE "DATE" |
| | | |
| | | void |
| | | fatal(const char *func, int rv) |
| | | { |
| | | fprintf(stderr, "%s: %s\n", func, nng_strerror(rv)); |
| | | exit(1); |
| | | } |
| | | |
| | | char * |
| | | date(void) |
| | | { |
| | | time_t now = time(&now); |
| | | struct tm *info = localtime(&now); |
| | | char *text = asctime(info); |
| | | text[strlen(text)-1] = '\0'; // remove '\n' |
| | | return (text); |
| | | } |
| | | |
| | | |
| | | int |
| | | client(const char *url) |
| | | { |
| | | nng_socket sock; |
| | | int rv; |
| | | size_t sz; |
| | | char * buf; |
| | | char sendbuf[512]; |
| | | |
| | | if ((rv = nng_req0_open(&sock)) != 0) { |
| | | fatal("nng_socket", rv); |
| | | } |
| | | if ((rv = nng_dial(sock, url, NULL, 0)) != 0) { |
| | | fatal("nng_dial", rv); |
| | | } |
| | | //printf("NODE1: SENDING DATE REQUEST %s\n", DATE); |
| | | while(true) { |
| | | printf("say something:\n"); |
| | | scanf("%s", sendbuf); |
| | | if ((rv = nng_send(sock, sendbuf, strlen(sendbuf)+1, 0)) != 0) { |
| | | fatal("nng_send", rv); |
| | | } |
| | | if ((rv = nng_recv(sock, &buf, &sz, NNG_FLAG_ALLOC)) != 0) { |
| | | fatal("nng_recv", rv); |
| | | } |
| | | printf("NODE1: RECEIVED DATE %s\n", buf); |
| | | nng_free(buf, sz); |
| | | } |
| | | |
| | | nng_close(sock); |
| | | return (0); |
| | | } |
| | | |
| | | int |
| | | main(const int argc, const char **argv) |
| | | { |
| | | |
| | | char *url = "ipc:///tmp/reqrep.ipc"; |
| | | client(url); |
| | | } |
New file |
| | |
| | | #include <stdlib.h> |
| | | #include <stdio.h> |
| | | #include <string.h> |
| | | #include <time.h> |
| | | |
| | | #include <nng/nng.h> |
| | | #include <nng/protocol/reqrep0/rep.h> |
| | | #include <nng/protocol/reqrep0/req.h> |
| | | |
| | | #define NODE0 "node0" |
| | | #define NODE1 "node1" |
| | | #define DATE "DATE" |
| | | |
| | | void |
| | | fatal(const char *func, int rv) |
| | | { |
| | | fprintf(stderr, "%s: %s\n", func, nng_strerror(rv)); |
| | | exit(1); |
| | | } |
| | | |
| | | char * |
| | | date(void) |
| | | { |
| | | time_t now = time(&now); |
| | | struct tm *info = localtime(&now); |
| | | char *text = asctime(info); |
| | | text[strlen(text)-1] = '\0'; // remove '\n' |
| | | return (text); |
| | | } |
| | | |
| | | int |
| | | server(const char *url) |
| | | { |
| | | nng_socket sock; |
| | | int rv; |
| | | |
| | | if ((rv = nng_rep0_open(&sock)) != 0) { |
| | | fatal("nng_rep0_open", rv); |
| | | } |
| | | if ((rv = nng_listen(sock, url, NULL, 0)) != 0) { |
| | | fatal("nng_listen", rv); |
| | | } |
| | | char sendbuf[512]; |
| | | for (;;) { |
| | | char *buf = NULL; |
| | | size_t sz; |
| | | if ((rv = nng_recv(sock, &buf, &sz, NNG_FLAG_ALLOC)) != 0) { |
| | | fatal("nng_recv", rv); |
| | | } |
| | | |
| | | |
| | | printf("NODE0: RECEIVED:%s\n", buf); |
| | | char *d = date(); |
| | | sprintf(sendbuf, "%s: %s", d, buf); |
| | | printf("NODE0: SENDING DATE %s\n", d); |
| | | if ((rv = nng_send(sock, sendbuf, strlen(sendbuf) + 1, 0)) != 0) { |
| | | fatal("nng_send", rv); |
| | | } |
| | | nng_free(buf, sz); |
| | | } |
| | | } |
| | | |
| | | |
| | | |
| | | int |
| | | main(const int argc, const char **argv) |
| | | { |
| | | |
| | | char *url = "ipc:///tmp/reqrep.ipc"; |
| | | server(url); |
| | | } |
New file |
| | |
| | | #include <stdlib.h>
|
| | | #include <stdio.h>
|
| | | #include <string.h>
|
| | | #include <time.h>
|
| | |
|
| | | #include <nng/nng.h>
|
| | | #include <nng/protocol/reqrep0/rep.h>
|
| | | #include <nng/protocol/reqrep0/req.h>
|
| | |
|
| | | #define NODE0 "node0"
|
| | | #define NODE1 "node1"
|
| | | #define DATE "DATE"
|
| | |
|
| | | void
|
| | | fatal(const char *func, int rv)
|
| | | {
|
| | | fprintf(stderr, "%s: %s\n", func, nng_strerror(rv));
|
| | | exit(1);
|
| | | }
|
| | |
|
| | | char *
|
| | | date(void)
|
| | | {
|
| | | time_t now = time(&now);
|
| | | struct tm *info = localtime(&now);
|
| | | char *text = asctime(info);
|
| | | text[strlen(text)-1] = '\0'; // remove '\n'
|
| | | return (text);
|
| | | }
|
| | |
|
| | | int
|
| | | node0(const char *url)
|
| | | {
|
| | | nng_socket sock;
|
| | | int rv;
|
| | |
|
| | | if ((rv = nng_rep0_open(&sock)) != 0) {
|
| | | fatal("nng_rep0_open", rv);
|
| | | }
|
| | | if ((rv = nng_listen(sock, url, NULL, 0)) != 0) {
|
| | | fatal("nng_listen", rv);
|
| | | }
|
| | | for (;;) {
|
| | | char *buf = NULL;
|
| | | size_t sz;
|
| | | if ((rv = nng_recv(sock, &buf, &sz, NNG_FLAG_ALLOC)) != 0) {
|
| | | fatal("nng_recv", rv);
|
| | | }
|
| | | if ((sz == (strlen(DATE) + 1)) && (strcmp(DATE, buf) == 0)) {
|
| | | printf("NODE0: RECEIVED DATE REQUEST\n");
|
| | | char *d = date();
|
| | | printf("NODE0: SENDING DATE %s\n", d);
|
| | | if ((rv = nng_send(sock, d, strlen(d) + 1, 0)) != 0) {
|
| | | fatal("nng_send", rv);
|
| | | }
|
| | | }
|
| | | nng_free(buf, sz);
|
| | | }
|
| | | }
|
| | |
|
| | | int
|
| | | node1(const char *url)
|
| | | {
|
| | | nng_socket sock;
|
| | | int rv;
|
| | | size_t sz;
|
| | | char *buf = NULL;
|
| | |
|
| | | if ((rv = nng_req0_open(&sock)) != 0) {
|
| | | fatal("nng_socket", rv);
|
| | | }
|
| | | if ((rv = nng_dial(sock, url, NULL, 0)) != 0) {
|
| | | fatal("nng_dial", rv);
|
| | | }
|
| | | printf("NODE1: SENDING DATE REQUEST %s\n", DATE);
|
| | | if ((rv = nng_send(sock, DATE, strlen(DATE)+1, 0)) != 0) {
|
| | | fatal("nng_send", rv);
|
| | | }
|
| | | if ((rv = nng_recv(sock, &buf, &sz, NNG_FLAG_ALLOC)) != 0) {
|
| | | fatal("nng_recv", rv);
|
| | | }
|
| | | printf("NODE1: RECEIVED DATE %s\n", buf); |
| | | nng_free(buf, sz);
|
| | | nng_close(sock);
|
| | | return (0);
|
| | | }
|
| | |
|
| | | int
|
| | | main(const int argc, const char **argv)
|
| | | {
|
| | | if ((argc > 1) && (strcmp(NODE0, argv[1]) == 0))
|
| | | return (node0(argv[2]));
|
| | |
|
| | | if ((argc > 1) && (strcmp(NODE1, argv[1]) == 0))
|
| | | return (node1(argv[2]));
|
| | |
|
| | | fprintf(stderr, "Usage: reqrep %s|%s <URL> ...\n", NODE0, NODE1);
|
| | | return (1);
|
| | | }
|
| | |
|
| | |
|
| | | ./reqrep node0 ipc:///tmp/reqrep.ipc & node0=$! && sleep 1
|
| | | ./reqrep node1 ipc:///tmp/reqrep.ipc |