2 * $Id: channel_manager.c 44 2011-02-15 12:32:29Z kaori $
4 * Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
5 * Copyright (c) 2002-2011, Professor Benoit Macq
6 * Copyright (c) 2010-2011, Kaori Hagihara
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
34 #include "channel_manager.h"
37 #include "fcgi_stdio.h"
38 #define logstream FCGI_stdout
40 #define FCGI_stdout stdout
41 #define FCGI_stderr stderr
42 #define logstream stderr
45 channellist_param_t * gene_channellist()
47 channellist_param_t *channellist;
49 channellist = (channellist_param_t *)malloc( sizeof(channellist_param_t));
51 channellist->first = NULL;
52 channellist->last = NULL;
57 channel_param_t * gene_channel( query_param_t query_param, auxtrans_param_t auxtrans, cachemodel_param_t *cachemodel, channellist_param_t *channellist)
59 channel_param_t *channel;
60 char transport[4][10] = { "non", "http", "http-tcp", "http-udp"};
63 fprintf( FCGI_stdout, "Status: 404\r\n");
64 fprintf( FCGI_stdout, "Reason: cnew cancelled\r\n");
68 channel = (channel_param_t *)malloc( sizeof(channel_param_t));
69 channel->cachemodel = cachemodel;
71 // set channel ID and get present time
72 snprintf( channel->cid, MAX_LENOFCID, "%x%x", (unsigned int)time( &channel->start_tm), (unsigned int)rand());
74 channel->aux = query_param.cnew;
76 // only tcp implemented for now
77 if( channel->aux == udp)
82 set_channel_variable_param( query_param, channel);
84 if( channellist->first != NULL)
85 channellist->last->next = channel;
87 channellist->first = channel;
88 channellist->last = channel;
90 fprintf( FCGI_stdout, "JPIP-cnew: cid=%s", channel->cid);
91 fprintf( FCGI_stdout, ",transport=%s", transport[channel->aux]);
93 if( channel->aux == tcp || channel->aux == udp)
94 fprintf( FCGI_stdout, ",auxport=%d", channel->aux==tcp ? auxtrans.tcpauxport : auxtrans.udpauxport);
96 fprintf( FCGI_stdout, "\r\n");
102 void set_channel_variable_param( query_param_t query_param, channel_param_t *channel)
104 // set roi information
108 void delete_channel( channel_param_t **channel, channellist_param_t *channellist)
110 channel_param_t *ptr;
112 if( *channel == channellist->first)
113 channellist->first = (*channel)->next;
115 ptr = channellist->first;
116 while( ptr->next != *channel){
120 ptr->next = (*channel)->next;
122 if( *channel == channellist->last)
123 channellist->last = ptr;
126 fprintf( logstream, "local log: channel: %s deleted\n", (*channel)->cid);
131 void delete_channellist( channellist_param_t **channellist)
133 channel_param_t *channelPtr, *channelNext;
135 channelPtr = (*channellist)->first;
136 while( channelPtr != NULL){
137 channelNext=channelPtr->next;
139 fprintf( logstream, "local log: channel %s deleted!\n", channelPtr->cid);
142 channelPtr=channelNext;
147 void print_allchannel( channellist_param_t *channellist)
149 channel_param_t *ptr;
151 ptr = channellist->first;
153 fprintf( logstream,"channel-ID=%s \t target=%s\n", ptr->cid, ptr->cachemodel->target->filename);
158 channel_param_t * search_channel( char cid[], channellist_param_t *channellist)
160 channel_param_t *foundchannel;
162 foundchannel = channellist->first;
164 while( foundchannel != NULL){
166 if( strcmp( cid, foundchannel->cid) == 0)
169 foundchannel = foundchannel->next;
171 fprintf( FCGI_stdout, "Status: 503\r\n");
172 fprintf( FCGI_stdout, "Reason: Channel %s not found in this session\r\n", cid);