package/fonera-mp3/src/lib/mp3_socket_parser.c

   1 /*
   2 * FOXMP3
   3 * Copyright (c) 2006 acmesystems.it - john@acmesystems.it
   4 *
   5 * This program is free software; you can redistribute it and/or modify
   6 * it under the terms of the GNU General Public License as published by
   7 * the Free Software Foundation; either version 2 of the License, or
   8 * (at your option) any later version.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
  18 *
  19 * Feedback, Bugs...  info@acmesystems.it
  20 *
  21 */
  22
  23 #include <stdio.h>
  24 #include <string.h>
  25 #include <stdlib.h>
  26
  27 #include "mp3.h"
  28
  29 #define TOKEN_MAX               16
  30 #define TOKEN_SIZE              256
  31
  32 static unsigned char mp3_parser_tokens[TOKEN_MAX][TOKEN_SIZE];
  33
  34 int mp3_parser_tokenize(unsigned char *in){
  35         int i = 0;
  36         char *token = in;
  37         char *tmp;
  38         do {
  39                 tmp = strstr(token, " ");
  40                 if(tmp){
  41                         *tmp = '\0';
  42                         strcpy(mp3_parser_tokens[i], token);
  43                         tmp++;
  44                         token = tmp;
  45                 } else {
  46                         strcpy(mp3_parser_tokens[i], token);
  47                 };
  48                 i++;
  49         }while((i < TOKEN_MAX) && (tmp));
  50         return i;
  51 };
  52
  53 extern int state_current;
  54 void mp3_parser_incoming(unsigned char *in, unsigned char *out){
  55         int c = mp3_parser_tokenize(in);
  56         int ret = 0;
  57         int t1;
  58         if(c){
  59                 printf("Parsing command from frontend app -> %s ---  %d tokens\n", in, c);
  60                 if((!strcmp(mp3_parser_tokens[0], "PLAY")) && (c == 2)){
  61                         state_event(MP3_EVENT_FILE, state_new_event(mp3_parser_tokens[1], 0));
  62                         ret = 1;
  63                 } else if((!strcmp(mp3_parser_tokens[0], "STREAM"))
  64                                 && (c == 3)){
  65                         if(!strcmp(mp3_parser_tokens[1], "pls")){
  66                                 state_event(MP3_EVENT_STREAM, state_new_event(mp3_parser_tokens[2], STREAM_PLS));
  67                                 ret = 1;
  68                         } else if(!strcmp(mp3_parser_tokens[1], "url")){
  69                                 state_event(MP3_EVENT_STREAM, state_new_event(mp3_parser_tokens[2], STREAM_URL));
  70                                 ret = 1;
  71                         }
  72                 } else if((!strcmp(mp3_parser_tokens[0], "VOLUME"))
  73                                 && (c == 2)){
  74                         t1 = atoi(mp3_parser_tokens[1]);
  75                         state_generic_event(MP3_EVENT_GENERIC_VOLUME, t1, NULL);
  76                         ret = 1;
  77                 } else if((!strcmp(mp3_parser_tokens[0], "STOP"))
  78                                 && (c == 1)){
  79                         state_event(MP3_EVENT_STOP, NULL);
  80                         ret = 1;
  81                 } else if((!strcmp(mp3_parser_tokens[0], "STATE"))
  82                                 && (c == 1)){
  83                         state_generic_event(MP3_EVENT_GENERIC_STATE, 0, out);
  84                         return;
  85                 } else if((!strcmp(mp3_parser_tokens[0], "BASS"))
  86                                 && (c == 2)){
  87                         t1 = atoi(mp3_parser_tokens[1]);
  88                         state_generic_event(MP3_EVENT_GENERIC_BASS, t1, NULL);
  89                         ret = 1;
  90                 }
  91                 if(ret){
  92                         sprintf(out, "OK\n");
  93                         printf("Command parsed ok.\n");
  94                 } else {
  95
  96                         sprintf(out, "ERROR\n");
  97                         printf("Command parsed with error.\n");
  98                 };
  99         } else {
 100                 printf("Got command from frontend with 0 tokens.\n");
 101         };
 102 };
 103
 104