added libjson-c. added driver, webinterface and userspace daemon for the

fonera mp3-hack


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8509 3c298f89-4303-0410-b956-a3cf2f4a3e73

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 000000000..964690d64
--- /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;
+};
+