1
2 /*
3 linphone
4 Copyright (C) 2010 Belledonne Communications SARL
5
6 This program is free software; you can redistribute it and/or
7 modify it under the terms of the GNU General Public License
8 as published by the Free Software Foundation; either version 2
9 of the License, or (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 */
20
21 /**
22 * @defgroup chatroom_tuto Chat room and messaging
23 * @ingroup tutorials
24 *This program is a _very_ simple usage example of liblinphone,
25 *desmonstrating how to send/receive SIP MESSAGE from a sip uri identity passed from the command line.
26 *<br>Argument must be like sip:jehan@sip.linphone.org .
27 *<br>
28 *ex chatroom sip:jehan@sip.linphone.org
29 *<br>
30 *@include chatroom.c
31
32 *
33 */
34
35 #include "linphone/core.h"
36
37 #include <signal.h>
38
39 static bool_t running=TRUE;
40
stop(int signum)41 static void stop(int signum){
42 running=FALSE;
43 }
44 /**
45 * function invoked to report file transfer progress.
46 * */
file_transfer_progress_indication(LinphoneChatMessage * message,const LinphoneContent * content,size_t offset,size_t total)47 static void file_transfer_progress_indication(LinphoneChatMessage *message, const LinphoneContent* content, size_t offset, size_t total) {
48 const LinphoneAddress* from_address = linphone_chat_message_get_from(message);
49 const LinphoneAddress* to_address = linphone_chat_message_get_to(message);
50 char *address = linphone_chat_message_is_outgoing(message)?linphone_address_as_string(to_address):linphone_address_as_string(from_address);
51 printf(" File transfer [%d%%] %s of type [%s/%s] %s [%s] \n", (int)((offset *100)/total)
52 ,(linphone_chat_message_is_outgoing(message)?"sent":"received")
53 , linphone_content_get_type(content)
54 , linphone_content_get_subtype(content)
55 ,(linphone_chat_message_is_outgoing(message)?"to":"from")
56 , address);
57 free(address);
58 }
59 /**
60 * function invoked when a file transfer is received.
61 **/
file_transfer_received(LinphoneChatMessage * message,const LinphoneContent * content,const LinphoneBuffer * buffer)62 static void file_transfer_received(LinphoneChatMessage *message, const LinphoneContent* content, const LinphoneBuffer *buffer){
63 FILE* file=NULL;
64 if (!linphone_chat_message_get_user_data(message)) {
65 /*first chunk, creating file*/
66 file = fopen("receive_file.dump","wb");
67 linphone_chat_message_set_user_data(message,(void*)file); /*store fd for next chunks*/
68 }
69
70 file = (FILE*)linphone_chat_message_get_user_data(message);
71 if (linphone_buffer_is_empty(buffer)) {
72 printf("File transfert completed\n");
73 linphone_chat_message_destroy(message);
74 fclose(file);
75 running=FALSE;
76 } else { /* store content on a file*/
77 if (fwrite(linphone_buffer_get_content(buffer),linphone_buffer_get_size(buffer),1,file)==0){
78 ms_warning("file_transfer_received() write failed: %s",strerror(errno));
79 }
80 }
81 }
82
83 char big_file [128000];
84
85 /*
86 * function called when the file transfer is initiated. file content should be feed into object LinphoneContent
87 * */
file_transfer_send(LinphoneChatMessage * message,const LinphoneContent * content,size_t offset,size_t size)88 static LinphoneBuffer * file_transfer_send(LinphoneChatMessage *message, const LinphoneContent* content, size_t offset, size_t size){
89 size_t size_to_send = MIN(size, sizeof(big_file) - offset);
90 if (size == 0) return linphone_buffer_new(); /*end of file*/
91 return linphone_buffer_new_from_data((uint8_t *)big_file + offset, size_to_send);
92 }
93
94 /*
95 * Call back to get delivery status of a message
96 * */
linphone_file_transfer_state_changed(LinphoneChatMessage * msg,LinphoneChatMessageState state)97 static void linphone_file_transfer_state_changed(LinphoneChatMessage* msg,LinphoneChatMessageState state) {
98 const LinphoneAddress* to_address = linphone_chat_message_get_to(msg);
99 char *to = linphone_address_as_string(to_address);
100 printf("File transfer sent to [%s] delivery status is [%s] \n" , to
101 , linphone_chat_message_state_to_string(state));
102 free(to);
103 }
104
105 /*
106 * Call back called when a message is received
107 */
message_received(LinphoneCore * lc,LinphoneChatRoom * cr,LinphoneChatMessage * msg)108 static void message_received(LinphoneCore *lc, LinphoneChatRoom *cr, LinphoneChatMessage *msg) {
109 const LinphoneContent *file_transfer_info = linphone_chat_message_get_file_transfer_information(msg);
110 printf ("Do you really want to download %s (size %ld)?[Y/n]\nOk, let's go\n", linphone_content_get_name(file_transfer_info), (long int)linphone_content_get_size(file_transfer_info));
111
112 linphone_chat_message_download_file(msg);
113
114 }
115
116 LinphoneCore *lc;
main(int argc,char * argv[])117 int main(int argc, char *argv[]){
118 LinphoneCoreVTable vtable={0};
119
120 const char* dest_friend=NULL;
121 size_t i;
122 const char* big_file_content="big file";
123 LinphoneChatRoom* chat_room;
124 LinphoneContent* content;
125 LinphoneChatMessage* chat_message;
126 LinphoneChatMessageCbs *cbs;
127
128 /*seting dummy file content to something*/
129 for (i=0;i<sizeof(big_file);i+=strlen(big_file_content))
130 memcpy(big_file+i, big_file_content, strlen(big_file_content));
131
132 big_file[0]=*"S";
133 big_file[sizeof(big_file)-1]=*"E";
134
135 signal(SIGINT,stop);
136 //#define DEBUG
137 #ifdef DEBUG
138 linphone_core_enable_logs(NULL); /*enable liblinphone logs.*/
139 #endif
140 vtable.message_received=message_received;
141
142
143 /*
144 Instantiate a LinphoneCore object given the LinphoneCoreVTable
145 */
146 lc=linphone_core_new(&vtable,NULL,NULL,NULL);
147 dest_friend = linphone_core_get_primary_contact(lc);
148 printf("Send message to me : %s\n", dest_friend);
149
150 /**
151 * Globally configure an http file transfer server.
152 */
153 //linphone_core_set_file_transfer_server(lc,"http://npasc.al/lft.php");
154 linphone_core_set_file_transfer_server(lc,"https://www.linphone.org:444/lft.php");
155
156
157 /*Next step is to create a chat room*/
158 chat_room = linphone_core_get_chat_room_from_uri(lc,dest_friend);
159
160 content = linphone_core_create_content(lc);
161 linphone_content_set_type(content,"text");
162 linphone_content_set_subtype(content,"plain");
163 linphone_content_set_size(content,sizeof(big_file)); /*total size to be transfered*/
164 linphone_content_set_name(content,"bigfile.txt");
165
166 /*now create a chat message with custom content*/
167 chat_message = linphone_chat_room_create_file_transfer_message(chat_room,content);
168 if (chat_message == NULL) {
169 printf("returned message is null\n");
170 }
171
172 /**
173 * Fill the application callbacks. The file_transfer_received callback is used in order to get notifications
174 * about incoming file reception, file_transfer_send to feed file to be transfered and
175 * file_transfer_progress_indication to print progress.
176 */
177 cbs = linphone_chat_message_get_callbacks(chat_message);
178 linphone_chat_message_cbs_set_file_transfer_recv(cbs, file_transfer_received);
179 linphone_chat_message_cbs_set_file_transfer_send(cbs, file_transfer_send);
180 linphone_chat_message_cbs_set_file_transfer_progress_indication(cbs, file_transfer_progress_indication);
181 linphone_chat_message_cbs_set_msg_state_changed(cbs, linphone_file_transfer_state_changed);
182
183 /*initiating file transfer*/
184 linphone_chat_room_send_chat_message(chat_room, chat_message);
185
186 /* main loop for receiving incoming messages and doing background linphone core work: */
187 while(running){
188 linphone_core_iterate(lc);
189 ms_usleep(50000);
190 }
191
192
193 printf("Shutting down...\n");
194 linphone_content_unref(content);
195 linphone_core_destroy(lc);
196 printf("Exited\n");
197 return 0;
198 }
199
200