Real Time Text Sender

This program just send chat message in real time to dest uri.

This program just send chat message in real time to dest uri.

Use realtimetext_receiver to receive message. usage: ./realtimetext_sender sip:localhost:5060

/*
* Copyright (c) 2010-2022 Belledonne Communications SARL.
*
* This file is part of Liblinphone
* (see https://gitlab.linphone.org/BC/public/liblinphone).
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "linphone/core.h"
#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_LOGS
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_call_params(lc, NULL);
linphone_call_params_enable_realtime_text(cp, TRUE); /*enable real time text*/
call = linphone_core_invite_with_params(lc, dest, cp);
linphone_call_params_unref(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) {
int 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;
}
linphone_core_invite_with_params
LinphoneCall * linphone_core_invite_with_params(LinphoneCore *core, const char *url, const LinphoneCallParams *params)
Initiates an outgoing call according to supplied call parameters The application doesn't own a refere...
linphone_core_terminate_call
MS2_DEPRECATED LinphoneStatus linphone_core_terminate_call(LinphoneCore *core, LinphoneCall *call)
Terminates a call.
linphone_core_create_call_params
LinphoneCallParams * linphone_core_create_call_params(LinphoneCore *core, LinphoneCall *call)
Create a LinphoneCallParams suitable for linphone_core_invite_with_params(), linphone_core_accept_cal...
linphone_call_params_unref
void linphone_call_params_unref(LinphoneCallParams *call_params)
Release a reference to the call params.
linphone_call_get_state
LinphoneCallState linphone_call_get_state(const LinphoneCall *call)
Retrieves the call's current state.
LinphoneCallParams
struct _LinphoneCallParams LinphoneCallParams
An object containing various parameters of a LinphoneCall.
Definition c-types.h:299
LinphoneCall
struct _LinphoneCall LinphoneCall
This object represents a call issued or received by the LinphoneCore.
Definition c-types.h:267
linphone_call_ref
LinphoneCall * linphone_call_ref(LinphoneCall *call)
Acquire a reference to the call.
linphone_call_unref
void linphone_call_unref(LinphoneCall *call)
Release reference to the call.
linphone_call_get_chat_room
LinphoneChatRoom * linphone_call_get_chat_room(LinphoneCall *call)
Create a new chat room for real time messaging from a call if not already existing,...
linphone_chat_message_put_char
LinphoneStatus linphone_chat_message_put_char(LinphoneChatMessage *message, uint32_t character)
Fulfill a chat message char by char.
LinphoneChatRoom
struct _LinphoneChatRoom LinphoneChatRoom
A chat room is the place where LinphoneChatMessage are exchanged.
Definition c-types.h:423
linphone_chat_room_create_message
MS2_DEPRECATED LinphoneChatMessage * linphone_chat_room_create_message(LinphoneChatRoom *chat_room, const char *message)
Creates a message attached to the given chat room with a plain text content filled with the given mes...
LinphoneChatMessage
struct _LinphoneChatMessage LinphoneChatMessage
An chat message is the object that is sent or received through a LinphoneChatRoom.
Definition c-types.h:384
linphone_chat_room_send_chat_message
MS2_DEPRECATED void linphone_chat_room_send_chat_message(LinphoneChatRoom *chat_room, LinphoneChatMessage *message)
Send a message to peer member of this chat room.
linphone_core_iterate
void linphone_core_iterate(LinphoneCore *core)
Main loop function.
linphone_core_new
MS2_DEPRECATED LinphoneCore * linphone_core_new(const LinphoneCoreVTable *vtable, const char *config_path, const char *factory_config_path, void *userdata)
Instanciates a LinphoneCore object.
LinphoneCoreVTable
struct _LinphoneCoreVTable LinphoneCoreVTable
This structure holds all callbacks that the application should implement.
LinphoneCore
struct _LinphoneCore LinphoneCore
Main object to instanciate and on which to keep a reference.
Definition types.h:495
linphone_core_destroy
MS2_DEPRECATED void linphone_core_destroy(LinphoneCore *core)
Destroys a LinphoneCore.
LC_SIP_TRANSPORT_RANDOM
#define LC_SIP_TRANSPORT_RANDOM
Randomly chose a sip port for this transport Use with LinphoneSipTransports.
Definition misc.h:48
linphone_call_params_enable_realtime_text
LinphoneStatus linphone_call_params_enable_realtime_text(LinphoneCallParams *params, bool_t yesno)
Use to enable real time text following rfc4103.
linphone_core_set_sip_transports
MS2_DEPRECATED LinphoneStatus linphone_core_set_sip_transports(LinphoneCore *core, const LinphoneSipTransports *transports)
Sets the ports to be used for each of transport (UDP or TCP) A zero value port for a given transport ...