/*
* 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> <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> <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> <a href=\"#\" onclick=\"javascript:alpmp3_remote('stop');\">Stop</a> <a href=\"#\" onclick=\"javascript:alpmp3_remote('back');\">Back</a> <a href=\"#\" onclick=\"javascript:alpmp3_remote('next');\">Next</a> </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;
}