src/inputStream.c

   1 /* the Music Player Daemon (MPD)
   2  * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
   3  * This project's homepage is: http://www.musicpd.org
   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  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include "inputStream.h"
  20
  21 #include "inputStream_file.h"
  22 #include "inputStream_http.h"
  23
  24 #include <stdio.h>
  25 #include <sys/types.h>
  26 #include <unistd.h>
  27
  28 void initInputStream(void)
  29 {
  30         inputStream_initFile();
  31         inputStream_initHttp();
  32 }
  33
  34 int openInputStream(InputStream * inStream, char *url)
  35 {
  36         inStream->offset = 0;
  37         inStream->size = 0;
  38         inStream->error = 0;
  39         inStream->mime = NULL;
  40         inStream->seekable = 0;
  41         inStream->metaName = NULL;
  42         inStream->metaTitle = NULL;
  43
  44         if (inputStream_fileOpen(inStream, url) == 0)
  45                 return 0;
  46         if (inputStream_httpOpen(inStream, url) == 0)
  47                 return 0;
  48
  49         return -1;
  50 }
  51
  52 int seekInputStream(InputStream * inStream, long offset, int whence)
  53 {
  54         return inStream->seekFunc(inStream, offset, whence);
  55 }
  56
  57 size_t readFromInputStream(InputStream * inStream, void *ptr, size_t size,
  58                            size_t nmemb)
  59 {
  60         return inStream->readFunc(inStream, ptr, size, nmemb);
  61 }
  62
  63 int closeInputStream(InputStream * inStream)
  64 {
  65         if (inStream->mime)
  66                 free(inStream->mime);
  67         if (inStream->metaName)
  68                 free(inStream->metaName);
  69         if (inStream->metaTitle)
  70                 free(inStream->metaTitle);
  71
  72         return inStream->closeFunc(inStream);
  73 }
  74
  75 int inputStreamAtEOF(InputStream * inStream)
  76 {
  77         return inStream->atEOFFunc(inStream);
  78 }
  79
  80 int bufferInputStream(InputStream * inStream)
  81 {
  82         return inStream->bufferFunc(inStream);
  83 }