diff options
Diffstat (limited to 'package/fonera-mp3/src/lib/mp3_nix_socket.c')
| -rw-r--r-- | package/fonera-mp3/src/lib/mp3_nix_socket.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/package/fonera-mp3/src/lib/mp3_nix_socket.c b/package/fonera-mp3/src/lib/mp3_nix_socket.c new file mode 100644 index 0000000000..964690d647 --- /dev/null +++ b/package/fonera-mp3/src/lib/mp3_nix_socket.c @@ -0,0 +1,166 @@ +/* +* FOXMP3 +* Copyright (c) 2006 acmesystems.it - john@acmesystems.it +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA +* +* Feedback, Bugs... info@acmesystems.it +* +*/ + +#include <sys/socket.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <sys/socket.h> +#include <sys/un.h> +#include <sys/poll.h> +#include <stdarg.h> +#include <fcntl.h> +#include "mp3.h" + +#define SOCKET_PATH "/tmp/foxmp3" + +typedef struct _MP3_NIX_SOCKET { + fd_set master; + fd_set clients; + int max; + int listener; +} MP3_NIX_SOCKET; + +static MP3_NIX_SOCKET mp3_nix_socket; + +int mp3_nix_socket_setup(void){ + struct sockaddr_un myaddr; + int yes=1; + int len; + FD_ZERO(&mp3_nix_socket.master); + FD_ZERO(&mp3_nix_socket.clients); + + if ((mp3_nix_socket.listener = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) { + perror("socket"); + return MP3_ERROR; + } + if (setsockopt(mp3_nix_socket.listener, SOL_SOCKET, + SO_REUSEADDR, &yes, sizeof(int)) == -1) { + perror("setsockopt"); + return MP3_ERROR; + } + myaddr.sun_family = AF_UNIX; + strcpy(myaddr.sun_path, SOCKET_PATH); + unlink(myaddr.sun_path); + len = strlen(myaddr.sun_path) + sizeof(myaddr.sun_family); + if (bind(mp3_nix_socket.listener, (struct sockaddr *)&myaddr, len) == -1) { + perror("bind"); + return MP3_ERROR; + } + if (listen(mp3_nix_socket.listener, 3) == -1) { + perror("listen"); + return MP3_ERROR; + } + FD_SET(mp3_nix_socket.listener, &mp3_nix_socket.master); + mp3_nix_socket.max = mp3_nix_socket.listener; + + return MP3_OK; +}; + +int mp3_nix_socket_handle(void){ + struct sockaddr_un remoteaddr; + socklen_t addrlen; + int i; + int newfd; + char buf[1024]; + int nbytes; + char buf_out[1024]; + struct timeval tv; + + tv.tv_sec = 0; + tv.tv_usec = 0; + mp3_nix_socket.clients = mp3_nix_socket.master; + + if (select(mp3_nix_socket.max + 1, &mp3_nix_socket.clients, + NULL, NULL, &tv) == -1) { + // sometimes the select is interrupted, because of the alarm signal used by the playtime counter + //perror("error whilst selecting socket"); + return MP3_ERROR; + } + for(i = 0; i <= mp3_nix_socket.max; i++) { + if (FD_ISSET(i, &mp3_nix_socket.clients)) { + if (i == mp3_nix_socket.listener) { + addrlen = sizeof(remoteaddr); + if ((newfd = accept(mp3_nix_socket.listener, + (struct sockaddr *)&remoteaddr, + &addrlen)) == -1) { + perror("error whilst accepting socket"); + return MP3_ERROR; + } else { + FD_SET(newfd, &mp3_nix_socket.master); + if (newfd > mp3_nix_socket.max) { + mp3_nix_socket.max = newfd; + } + fcntl(newfd, F_SETFL, O_NONBLOCK); + printf("New socket client on %d\n", newfd); + } + } else { + if ((nbytes = recv(i, buf, sizeof(buf), 0)) <= 0) { + if (nbytes == 0) { + printf("selectserver: socket hung up %d\n", i); + close(i); + FD_CLR(i, &mp3_nix_socket.master); + } else { + printf("error whilst receiving socket %d\n", i); + } + } else { + buf[nbytes] = '\0'; + printf("Got data : %s\n", buf); + mp3_parser_incoming(buf,buf_out); + if(*buf_out != '\0'){ + send(i, buf_out, strlen(buf_out), 0); + } + } + } + } + } + return MP3_OK; +} + +void mp3_nix_socket_write(unsigned char *data, ...){ + unsigned int i; + unsigned char t[2048]; + va_list ap; + + // clear possible dead sockets + mp3_nix_socket_handle(); + memset(t, 0, 2048); + va_start(ap, data); + vsprintf(t, data, ap); + va_end(ap); + printf("Sending data --> %s\n", t); + for(i = 0; i <= mp3_nix_socket.max; i++) { + if (FD_ISSET(i, &mp3_nix_socket.master)) { + if (i != mp3_nix_socket.listener) { + printf("Sending on socket %d\n", i); + send(i, t, strlen(t), 0); + } + } + } + printf("Finished sending\n"); +} + +int mp3_nix_socket_cleanup(void){ + return MP3_OK; +}; + |