基于Unix域Socket收发Demo程序示例

#include <sys/types.h> #include <sys/socket.h> #include <sys/un.h> #include <stdio.h> #define NAME "socket" main() { int sock, msgsock, rval; struct sockaddr_un server; char buf[1024]; sock = socket(AF_UNIX, SOCK_STREAM, 0); if (sock < 0) { perror("opening stream socket"); exit(1); } server.sun_family = AF_UNIX; strcpy(server.sun_path, NAME); if (bind(sock, (struct sockaddr *) &server, sizeof(struct sockaddr_un))) { perror("binding stream socket"); exit(1); } printf("Socket has name %s\n", server.sun_path); listen(sock, 5); for (;;) { msgsock = accept(sock, 0, 0); if (msgsock == -1) perror("accept"); else do { bzero(buf, sizeof(buf)); if ((rval = read(msgsock, buf, 1024)) < 0) perror("reading stream message"); else if (rval == 0) printf("Ending connection\n"); else printf("-->%s\n", buf); } while (rval > 0); close(msgsock); } close(sock); unlink(NAME); }