liblinphone 3.9.1

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Real Time Text Receiver
Tutorials:

This program is able to receive chat message in real time on port 5060. Use realtimetext_sender to generate chat message usage: ./realtimetext_receiver

/*
linphone
Copyright (C) 2015 Belledonne Communications SARL
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef IN_LINPHONE
#include "linphonecore.h"
#else
#include "linphone/linphonecore.h"
#endif
#include <signal.h>
static bool_t running=TRUE;
static void stop(int signum){
running=FALSE;
}
int main(int argc, char *argv[]){
LinphoneCoreVTable vtable={0};
LinphoneCore *lc;
LinphoneCall *call=NULL;
LinphoneChatRoom *chat_room;
LinphoneChatMessage *chat_message=NULL;
const char *dest=NULL;
LCSipTransports tp;
tp.udp_port=LC_SIP_TRANSPORT_RANDOM;
tp.tcp_port=LC_SIP_TRANSPORT_RANDOM;
tp.tls_port=LC_SIP_TRANSPORT_RANDOM;
/* take the destination sip uri from the command line arguments */
if (argc>1){
dest=argv[1];
}
signal(SIGINT,stop);
#ifdef DEBUG
linphone_core_enable_logs(NULL); /*enable liblinphone logs.*/
#endif
/*
Instanciate a LinphoneCore object given the LinphoneCoreVTable
*/
lc=linphone_core_new(&vtable,NULL,NULL,NULL);
linphone_core_set_sip_transports(lc,&tp); /*to avoid port colliding with receiver*/
if (dest){
/*
Place an outgoing call with rtt enabled
*/
LinphoneCallParams *cp = linphone_core_create_default_call_parameters(lc);
linphone_call_params_enable_realtime_text(cp,TRUE); /*enable real time text*/
call=linphone_core_invite_with_params(lc,dest,cp);
linphone_call_params_destroy(cp);
if (call==NULL){
printf("Could not place call to %s\n",dest);
goto end;
}else printf("Call to %s is in progress...",dest);
linphone_call_ref(call);
}
/*wait for call to be established*/
while (running && (linphone_call_get_state(call) == LinphoneCallOutgoingProgress
|| linphone_call_get_state(call) == LinphoneCallOutgoingInit)) {
linphone_core_iterate(lc);
ms_usleep(50000);
}
/*check if call is established*/
switch (linphone_call_get_state(call)) {
case LinphoneCallError:
case LinphoneCallReleased:
case LinphoneCallEnd:
printf("Could not place call to %s\n",dest);
goto end;
break;
default:
break;
/*continue*/
}
chat_room=linphone_call_get_chat_room(call); /*create a chat room associated to this call*/
/* main loop for sending message and doing background linphonecore work: */
while(running){
char character;
/*to disable terminal buffering*/
if (system ("/bin/stty raw") == -1){
ms_error("/bin/stty error");
}
character = getchar();
if (system("/bin/stty cooked") == -1){
ms_error("/bin/stty error");
}
if (character==0x03) {/*CTRL C*/
running=0;
break;
}
if (character != EOF) {
/* user has typed something*/
if (chat_message == NULL) {
/*create a new message*/
chat_message = linphone_chat_room_create_message(chat_room,""); /*create an empty message*/
}
if (character == '\r') {
/*new line, committing message*/
linphone_chat_room_send_chat_message(chat_room,chat_message);
chat_message = NULL; /*reset message*/
} else {
linphone_chat_message_put_char(chat_message,character); /*send char in realtime*/
}
}
linphone_core_iterate(lc);
ms_usleep(50000);
}
if (call && linphone_call_get_state(call)!=LinphoneCallEnd){
/* terminate the call */
printf("Terminating the call...\n");
linphone_core_terminate_call(lc,call);
/*at this stage we don't need the call object */
linphone_call_unref(call);
}
end:
printf("Shutting down...\n");
linphone_core_destroy(lc);
printf("Exited\n");
return 0;
}

This program just send chat message in real time to dest uri. Use realtimetext_receiver to receive message. usage: ./realtimetext_sender sip:localhost:5060

/*
linphone
Copyright (C) 2015 Belledonne Communications SARL
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef IN_LINPHONE
#include "linphonecore.h"
#else
#include "linphone/linphonecore.h"
#endif
#include <signal.h>
static bool_t running=TRUE;
static void stop(int signum){
running=FALSE;
}
int main(int argc, char *argv[]){
LinphoneCoreVTable vtable={0};
LinphoneCore *lc;
LinphoneCall *call=NULL;
LinphoneChatRoom *chat_room;
LinphoneChatMessage *chat_message=NULL;
const char *dest=NULL;
LCSipTransports tp;
tp.udp_port=LC_SIP_TRANSPORT_RANDOM;
tp.tcp_port=LC_SIP_TRANSPORT_RANDOM;
tp.tls_port=LC_SIP_TRANSPORT_RANDOM;
/* take the destination sip uri from the command line arguments */
if (argc>1){
dest=argv[1];
}
signal(SIGINT,stop);
#ifdef DEBUG
linphone_core_enable_logs(NULL); /*enable liblinphone logs.*/
#endif
/*
Instanciate a LinphoneCore object given the LinphoneCoreVTable
*/
lc=linphone_core_new(&vtable,NULL,NULL,NULL);
linphone_core_set_sip_transports(lc,&tp); /*to avoid port colliding with receiver*/
if (dest){
/*
Place an outgoing call with rtt enabled
*/
LinphoneCallParams *cp = linphone_core_create_default_call_parameters(lc);
linphone_call_params_enable_realtime_text(cp,TRUE); /*enable real time text*/
call=linphone_core_invite_with_params(lc,dest,cp);
linphone_call_params_destroy(cp);
if (call==NULL){
printf("Could not place call to %s\n",dest);
goto end;
}else printf("Call to %s is in progress...",dest);
linphone_call_ref(call);
}
/*wait for call to be established*/
while (running && (linphone_call_get_state(call) == LinphoneCallOutgoingProgress
|| linphone_call_get_state(call) == LinphoneCallOutgoingInit)) {
linphone_core_iterate(lc);
ms_usleep(50000);
}
/*check if call is established*/
switch (linphone_call_get_state(call)) {
case LinphoneCallError:
case LinphoneCallReleased:
case LinphoneCallEnd:
printf("Could not place call to %s\n",dest);
goto end;
break;
default:
break;
/*continue*/
}
chat_room=linphone_call_get_chat_room(call); /*create a chat room associated to this call*/
/* main loop for sending message and doing background linphonecore work: */
while(running){
char character;
/*to disable terminal buffering*/
if (system ("/bin/stty raw") == -1){
ms_error("/bin/stty error");
}
character = getchar();
if (system("/bin/stty cooked") == -1){
ms_error("/bin/stty error");
}
if (character==0x03) {/*CTRL C*/
running=0;
break;
}
if (character != EOF) {
/* user has typed something*/
if (chat_message == NULL) {
/*create a new message*/
chat_message = linphone_chat_room_create_message(chat_room,""); /*create an empty message*/
}
if (character == '\r') {
/*new line, committing message*/
linphone_chat_room_send_chat_message(chat_room,chat_message);
chat_message = NULL; /*reset message*/
} else {
linphone_chat_message_put_char(chat_message,character); /*send char in realtime*/
}
}
linphone_core_iterate(lc);
ms_usleep(50000);
}
if (call && linphone_call_get_state(call)!=LinphoneCallEnd){
/* terminate the call */
printf("Terminating the call...\n");
linphone_core_terminate_call(lc,call);
/*at this stage we don't need the call object */
linphone_call_unref(call);
}
end:
printf("Shutting down...\n");
linphone_core_destroy(lc);
printf("Exited\n");
return 0;
}