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authorJohn Crispin <john@openwrt.org>2007-08-27 20:10:35 +0000
committerJohn Crispin <john@openwrt.org>2007-08-27 20:10:35 +0000
commit6c0f55bc68f3d3a7fdd00e61ea7caf2ed4c620a9 (patch)
tree6d85567a32ef8e795cc4d88fdd545819577d6ad2 /package/fonera-mp3/src/cgi/main.c
parent79b07af6945064e53ad7c3f0920dabd73cdbd161 (diff)
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added libjson-c. added driver, webinterface and userspace daemon for the fonera mp3-hack
SVN-Revision: 8509
Diffstat (limited to 'package/fonera-mp3/src/cgi/main.c')
-rw-r--r--package/fonera-mp3/src/cgi/main.c237
1 files changed, 237 insertions, 0 deletions
diff --git a/package/fonera-mp3/src/cgi/main.c b/package/fonera-mp3/src/cgi/main.c
new file mode 100644
index 0000000000..0499e0eee1
--- /dev/null
+++ b/package/fonera-mp3/src/cgi/main.c
@@ -0,0 +1,237 @@
+/*
+* FOXMP3
+* Copyright (c) 2007 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <unistd.h>
+#include <netdb.h>
+
+#include <json.h>
+
+#define SOCKET_PATH "/tmp/foxmp3"
+
+void print_http_header(){
+ printf("Content-type: text/html\n\n");
+}
+
+int read_parameter(char *name, char *value, int maxlen){
+ char *pos1, *pos2;
+ char *query_string = getenv("QUERY_STRING");
+ int success = 0;
+
+ if(query_string){
+ pos1 = strstr(query_string, name);
+ if(pos1){
+ pos1 += strlen(name) + 1;
+ pos2 = strstr(pos1, "&");
+ if(pos2){
+ *pos2 = '\0';
+ }
+ if(strlen(pos1) >= maxlen){
+ pos1[maxlen] = '\0';
+ }
+ strcpy(value, pos1);
+ success = 1;
+ }
+ }
+ return success;
+}
+
+
+int issue_command(unsigned char *str){
+ int s, t, len;
+ struct sockaddr_un remote;
+
+ if ((s = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
+ exit(1);
+ }
+ remote.sun_family = AF_UNIX;
+ strcpy(remote.sun_path, SOCKET_PATH);
+ len = strlen(remote.sun_path) + sizeof(remote.sun_family);
+ if (connect(s, (struct sockaddr *)&remote, len) == -1) {
+ return 1;
+ }
+ if (send(s, str, strlen(str), 0) == -1) {
+ return 1;
+ }
+ unsigned char loop = 1;
+ while(loop){
+ if ((t=recv(s, str, 2048, 0)) > 0) {
+ str[t] = '\0';
+ if((strstr(str, "OK\n")) || (strstr(str, "ERROR\n"))){
+ loop = 0;
+ }
+ } else {
+ return 1;
+ }
+ }
+ close(s);
+ return 0;
+}
+
+void handle_cmd(){
+ unsigned char param[128];
+ unsigned char cmd[256];
+ int i;
+ *cmd = '\0';
+ if(read_parameter("vol", param, 128)){
+ i = atoi(param);
+ i = 120 - (i * 4);
+ sprintf(cmd, "VOLUME %d", i);
+ }
+ if(read_parameter("bass", param, 128)){
+ i = atoi(param);
+ sprintf(cmd, "BASS %d", i);
+ }
+ if(read_parameter("start", param, 128)){
+ sprintf(cmd, "START");
+ }
+ if(read_parameter("stop", param, 128)){
+ sprintf(cmd, "STOP");
+ }
+ if(read_parameter("next", param, 128)){
+ sprintf(cmd, "NEXT");
+ }
+ if(read_parameter("back", param, 128)){
+ sprintf(cmd, "BACK");
+ }
+ if(*cmd){
+ issue_command(cmd);
+ }
+}
+
+void print_html_remote(){
+ char name[128];
+ gethostname(name, 128);
+ printf("<html><head><title>foxmp3 - %s - remote</title><link rel=\"stylesheet\" href=\"../local/stylesheet.css\" type=\"text/css\" /><script src=\"../local/json.js\" type=\"text/javascript\"></script></head><body onload=\"alpmp3_setup();\">");
+ printf("<center><p id=alpmp3_remote>");
+ printf("<table width=50%%>");
+ printf("<tr class=cellhead><th colspan=3 id=cell align=center>FOXMP3 - %s </td></tr>", name);
+ printf("<tr class=cellone><td>Action</td><td colspan=2 id=alpmp3_state>0</td></tr>");
+ printf("<tr class=celltwo><td>Filename</td><td colspan=2 id=alpmp3_filename>0</td></tr>");
+ printf("<tr class=cellone><td>Playtime</td><td colspan=2 id=alpmp3_playtime>0</td></tr>");
+ printf("<tr class=celltwo><td>Volume</td><td id=alpmp3_volume>0</td><td><a href=\"#\" onclick=\"javascript:alpmp3_remote('volup');\">Up</a>&nbsp;&nbsp;<a href=\"#\" onclick=\"javascript:alpmp3_remote('voldown')\">Down</a></td></tr>");
+ printf("<tr class=cellone><td width=20%%>Bass</td><td id=alpmp3_bass>0</td><td><a href=\"#\" onclick=\"javascript:alpmp3_remote('bassup');\" class=browse>Up</a>&nbsp;&nbsp;<a href=\"#\" onclick=\"javascript:alpmp3_remote('bassdown')\" class=browse>Down</a></td></tr>");
+ printf("<tr class=cellhead><th colspan=3 id=cell align=center><a href=\"#\" onclick=\"javascript:alpmp3_remote('start');\">Start</a>&nbsp;<a href=\"#\" onclick=\"javascript:alpmp3_remote('stop');\">Stop</a>&nbsp;<a href=\"#\" onclick=\"javascript:alpmp3_remote('back');\">Back</a>&nbsp;<a href=\"#\" onclick=\"javascript:alpmp3_remote('next');\">Next</a>&nbsp;</td></tr>");
+ printf("</table>");
+ printf("</p></center>");
+ printf("</body></html>");
+}
+
+
+
+void print_json_info(){
+ unsigned char str[2048];
+ sprintf(str, "STATE");
+ if(issue_command(str) == 0){
+ int state = 0;
+ int volume = 0;
+ int bass = 0;
+ int playtime = 0;
+ unsigned char filename[1024];
+ unsigned char *p1, *p2;
+
+ memset(filename, 0, 1024);
+ p1 = str;
+ while(p1){
+ p2 = strstr(p1, "\n");
+ if(p2){
+ *p2 = '\0';
+ p2 ++;
+ // printf("parsing %s\n", p1);
+ if(strncmp(p1, "VOLUME", strlen("VOLUME")) == 0){
+ volume = atoi(&p1[strlen("VOLUME") + 1]);
+ if(volume > 120)
+ volume = 120;
+ volume = 120 - volume;
+ volume /= 4;
+ //printf("vol = %d\n", volume);
+ } else if(strncmp(p1, "BASS", strlen("BASS")) == 0){
+ bass = atoi(&p1[strlen("BASS") + 1]);
+ //printf("bass = %d\n", bass);
+ } else if(strncmp(p1, "PLAYTIME", strlen("PLAYTIME")) == 0){
+ playtime = atoi(&p1[strlen("PLAYTIME") + 1]);
+ //printf("playtime = %d\n", playtime);
+ } else if(strncmp(p1, "STATE", strlen("STATE")) == 0){
+ if(strstr(p1, "MP3_STATE_IDLE")){
+ state = 0;
+ } else if(strstr(p1, "MP3_STATE_FILE")){
+ state = 1;
+ } else if(strstr(p1, "MP3_STATE_STREAM")){
+ state = 2;
+ }
+ //printf("state = %d\n", state);
+ } else if(strncmp(p1, "STREAM", strlen("STREAM")) == 0){
+ strcpy(filename, &p1[strlen("STREAM") + 1]);
+ //printf("filename = %s\n", filename);
+ } else if(strncmp(p1, "FILE", strlen("FILE")) == 0){
+ strcpy(filename, &p1[strlen("FILE") + 1]);
+ //printf("filename = %s\n", filename);
+ }
+
+ p1 = p2;
+ } else {
+ p1 = 0;
+ }
+ }
+
+ struct json_object *alpmp3 = json_object_new_object();
+ json_object_object_add(alpmp3, "state", json_object_new_int(state));
+ switch(state){
+ case 1:
+ json_object_object_add(alpmp3, "type", json_object_new_string("file"));
+ break;
+ case 2:
+ json_object_object_add(alpmp3, "type", json_object_new_string("stream"));
+ break;
+ default:
+ json_object_object_add(alpmp3, "type", json_object_new_string("idle"));
+ break;
+ }
+ json_object_object_add(alpmp3, "volume", json_object_new_int(volume));
+ json_object_object_add(alpmp3, "bass", json_object_new_int(bass));
+ json_object_object_add(alpmp3, "playtime", json_object_new_int(playtime));
+ json_object_object_add(alpmp3, "filename", json_object_new_string(filename));
+ struct json_object *jo = json_object_new_object();
+ json_object_object_add(jo, "alpmp3", alpmp3);
+ printf("\n%s\n", json_object_to_json_string(jo));
+ }
+}
+
+int main(int argc, char **argv){
+ print_http_header();
+
+ if(strstr(argv[0], "mp3_remote.cgi")){
+ print_html_remote();
+ } else if(strstr(argv[0], "mp3_json.cgi")){
+ print_json_info();
+ } else if(strstr(argv[0], "mp3_cmd.cgi")){
+ handle_cmd();
+ } else {
+ printf("Unknown command");
+ }
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 20:36:35 +0000