release/src/router/minidlna/upnphttp.h

   1 /* MiniUPnP project
   2  * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
   3  *
   4  * Copyright (c) 2006, Thomas Bernard
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are met:
   9  *     * Redistributions of source code must retain the above copyright
  10  *       notice, this list of conditions and the following disclaimer.
  11  *     * Redistributions in binary form must reproduce the above copyright
  12  *       notice, this list of conditions and the following disclaimer in the
  13  *       documentation and/or other materials provided with the distribution.
  14  *     * The name of the author may not be used to endorse or promote products
  15  *       derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  21  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  27  * POSSIBILITY OF SUCH DAMAGE.
  28  */
  29 #ifndef __UPNPHTTP_H__
  30 #define __UPNPHTTP_H__
  31
  32 #include <netinet/in.h>
  33 #include <sys/queue.h>
  34
  35 #include "minidlnatypes.h"
  36 #include "config.h"
  37
  38 /* server: HTTP header returned in all HTTP responses : */
  39 #define MINIDLNA_SERVER_STRING  OS_VERSION " DLNADOC/1.50 UPnP/1.0 MiniDLNA/1.0"
  40
  41 /*
  42  states :
  43   0 - waiting for data to read
  44   1 - waiting for HTTP Post Content.
  45   ...
  46   >= 100 - to be deleted
  47 */
  48 enum httpCommands {
  49         EUnknown = 0,
  50         EGet,
  51         EPost,
  52         EHead,
  53         ESubscribe,
  54         EUnSubscribe
  55 };
  56
  57 struct upnphttp {
  58         int socket;
  59         struct in_addr clientaddr;      /* client address */
  60         int iface;
  61         int state;
  62         char HttpVer[16];
  63         /* request */
  64         char * req_buf;
  65         int req_buflen;
  66         int req_contentlen;
  67         int req_contentoff;     /* header length */
  68         enum httpCommands req_command;
  69         enum client_types req_client;
  70         const char * req_soapAction;
  71         int req_soapActionLen;
  72         const char * req_Callback;      /* For SUBSCRIBE */
  73         int req_CallbackLen;
  74         int req_Timeout;
  75         const char * req_SID;           /* For UNSUBSCRIBE */
  76         int req_SIDLen;
  77         off_t req_RangeStart;
  78         off_t req_RangeEnd;
  79         long int req_chunklen;
  80         uint32_t reqflags;
  81         /* response */
  82         char * res_buf;
  83         int res_buflen;
  84         int res_buf_alloclen;
  85         uint32_t respflags;
  86         /*int res_contentlen;*/
  87         /*int res_contentoff;*/         /* header length */
  88         LIST_ENTRY(upnphttp) entries;
  89 };
  90
  91 #define FLAG_TIMEOUT            0x00000001
  92 #define FLAG_SID                0x00000002
  93 #define FLAG_RANGE              0x00000004
  94 #define FLAG_HOST               0x00000008
  95
  96 #define FLAG_HTML               0x00000080
  97 #define FLAG_INVALID_REQ        0x00000010
  98
  99 #define FLAG_CHUNKED            0x00000100
 100 #define FLAG_TIMESEEK           0x00000200
 101 #define FLAG_REALTIMEINFO       0x00000400
 102 #define FLAG_PLAYSPEED          0x00000800
 103 #define FLAG_XFERSTREAMING      0x00001000
 104 #define FLAG_XFERINTERACTIVE    0x00002000
 105 #define FLAG_XFERBACKGROUND     0x00004000
 106 #define FLAG_CAPTION            0x00008000
 107
 108 #define FLAG_DLNA               0x00100000
 109 #define FLAG_MIME_AVI_DIVX      0x00200000
 110 #define FLAG_MIME_AVI_AVI       0x00400000
 111 #define FLAG_MIME_FLAC_FLAC     0x00800000
 112 #define FLAG_NO_RESIZE          0x01000000
 113 #define FLAG_MS_PFS             0x02000000 // Microsoft PlaysForSure client
 114 #define FLAG_SAMSUNG            0x04000000
 115 #define FLAG_AUDIO_ONLY         0x08000000
 116
 117 #define FLAG_FREE_OBJECT_ID     0x00000001
 118
 119 /* New_upnphttp() */
 120 struct upnphttp *
 121 New_upnphttp(int);
 122
 123 /* CloseSocket_upnphttp() */
 124 void
 125 CloseSocket_upnphttp(struct upnphttp *);
 126
 127 /* Delete_upnphttp() */
 128 void
 129 Delete_upnphttp(struct upnphttp *);
 130
 131 /* Process_upnphttp() */
 132 void
 133 Process_upnphttp(struct upnphttp *);
 134
 135 /* BuildHeader_upnphttp()
 136  * build the header for the HTTP Response
 137  * also allocate the buffer for body data */
 138 void
 139 BuildHeader_upnphttp(struct upnphttp * h, int respcode,
 140                      const char * respmsg,
 141                      int bodylen);
 142
 143 /* BuildResp_upnphttp()
 144  * fill the res_buf buffer with the complete
 145  * HTTP 200 OK response from the body passed as argument */
 146 void
 147 BuildResp_upnphttp(struct upnphttp *, const char *, int);
 148
 149 /* BuildResp2_upnphttp()
 150  * same but with given response code/message */
 151 void
 152 BuildResp2_upnphttp(struct upnphttp * h, int respcode,
 153                     const char * respmsg,
 154                     const char * body, int bodylen);
 155
 156 /* Error messages */
 157 void
 158 Send500(struct upnphttp *);
 159 void
 160 Send501(struct upnphttp *);
 161
 162 /* SendResp_upnphttp() */
 163 void
 164 SendResp_upnphttp(struct upnphttp *);
 165
 166 int
 167 SearchClientCache(struct in_addr addr, int quiet);
 168
 169 void
 170 SendResp_icon(struct upnphttp *, char * url);
 171 void
 172 SendResp_albumArt(struct upnphttp *, char * url);
 173 void
 174 SendResp_caption(struct upnphttp *, char * url);
 175 void
 176 SendResp_resizedimg(struct upnphttp *, char * url);
 177 void
 178 SendResp_thumbnail(struct upnphttp *, char * url);
 179 /* SendResp_dlnafile()
 180  * send the actual file data for a UPnP-A/V or DLNA request. */
 181 void
 182 SendResp_dlnafile(struct upnphttp *, char * url);
 183 #endif
 184