#include "dgram_mod_socket.h"
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#include "shm_mm.h"
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#include "usg_common.h"
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#include "mm.h"
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void * server_socket;
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void sigint_handler(int sig) {
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dgram_mod_close_socket(server_socket);
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exit(0);
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}
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void server(int port, bool restart) {
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// signal(SIGINT, sigint_handler);
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server_socket = dgram_mod_open_socket();
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dgram_mod_force_bind(server_socket, port);
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// if(restart) {
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// } else {
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// // dgram_mod_bind(server_socket, port);
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// }
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dgram_mod_start_bus(server_socket);
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}
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void *run_recv(void *socket) {
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pthread_detach(pthread_self());
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void *recvbuf;
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int size;
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int port;
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while (dgram_mod_recvfrom( socket, &recvbuf, &size, &port) == 0) {
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printf("收到订阅消息:%s\n", recvbuf);
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free(recvbuf);
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}
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}
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void client(int port) {
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void *socket = dgram_mod_open_socket();
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pthread_t tid;
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pthread_create(&tid, NULL, run_recv, socket);
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int size;
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char action[512];
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char topic[512];
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char content[512];
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long i = 0;
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while (true) {
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//printf("Usage: pub <topic> [content] or sub <topic>\n");
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printf("Can I help you? sub, pub or quit\n");
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scanf("%s",action);
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if(strcmp(action, "sub") == 0) {
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printf("Please input topic!\n");
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scanf("%s", topic);
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dgram_mod_sub(socket, topic, strlen(topic), port);
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printf("Sub success!\n");
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}
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else if(strcmp(action, "pub") == 0) {
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// printf("%s %s %s\n", action, topic, content);
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printf("Please input topic and content\n");
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scanf("%s %s", topic, content);
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dgram_mod_pub(socket, topic, strlen(topic)+1, content, strlen(content)+1, port);
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printf("Pub success!\n");
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} else if(strcmp(action, "quit") == 0) {
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break;
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} else {
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printf("error input\n");
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continue;
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}
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}
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printf("(%d) quit\n", dgram_mod_get_port(socket));
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dgram_mod_close_socket(socket);
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}
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int main(int argc, char *argv[]) {
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shm_init(512);
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int port;
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if (argc < 3) {
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fprintf(stderr, "Usage: %s %s|%s <PORT> ...\n", argv[0], "server", "client");
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return 1;
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}
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port = atoi(argv[2]);
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if (strcmp("server", argv[1]) == 0) {
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if(argc >= 4 && strcmp("restart", argv[3]) == 0) {
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server(port, true);
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}
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else{
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server(port, false);
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}
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}
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if (strcmp("client", argv[1]) == 0)
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client(port);
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return 0;
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}
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