FreeCalypso > hg > freecalypso-tools
view rfcal/cmu200/socket.c @ 217:dd3ec7c92bf1
ffstools/README renamed to README.old,
ffstools/Usage moved to doc/TIFFS-IVA-usage
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 20 May 2017 18:10:49 +0000 |
parents | 47d56330609d |
children |
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/* * This module handles the local UNIX domain socket interface for fc-cmu200d. */ #include <sys/types.h> #include <sys/socket.h> #include <sys/un.h> #include <stdio.h> #include <string.h> #include <strings.h> #include <stdlib.h> #include <unistd.h> int listener, activesock; extern char *bind_socket_pathname; create_listener_socket() { /* local socket binding voodoo copied from osmocon */ struct sockaddr_un local; unsigned int namelen; int rc; listener = socket(AF_UNIX, SOCK_STREAM, 0); if (listener < 0) { perror("socket(AF_UNIX, SOCK_STREAM, 0)"); exit(1); } local.sun_family = AF_UNIX; strncpy(local.sun_path, bind_socket_pathname, sizeof(local.sun_path)); local.sun_path[sizeof(local.sun_path) - 1] = '\0'; unlink(local.sun_path); /* we use the same magic that X11 uses in Xtranssock.c for * calculating the proper length of the sockaddr */ #if defined(BSD44SOCKETS) || defined(__UNIXWARE__) local.sun_len = strlen(local.sun_path); #endif #if defined(BSD44SOCKETS) || defined(SUN_LEN) namelen = SUN_LEN(&local); #else namelen = strlen(local.sun_path) + offsetof(struct sockaddr_un, sun_path) + 1; #endif rc = bind(listener, (struct sockaddr *) &local, namelen); if (rc != 0) { perror("bind on local socket"); exit(1); } rc = listen(listener, 1); if (rc != 0) { perror("listen"); exit(1); } return(0); } get_socket_connection() { struct sockaddr_un un_addr; socklen_t len; len = sizeof(un_addr); activesock = accept(listener, (struct sockaddr *) &un_addr, &len); if (activesock < 0) { perror("socket accept"); exit(1); } printf("Accepted local socket connection\n"); return(0); } send_socket_response(str) char *str; { printf("Msg to client: %s", str); write(activesock, str, strlen(str)); }