forked from mirrors/linphone-iphone
449 lines
14 KiB
C
449 lines
14 KiB
C
/***************************************************************************
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* chat.c
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*
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* Sun Jun 5 19:34:18 2005
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* Copyright 2005 Simon Morlat
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* Email simon dot morlat at linphone dot org
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****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "linphonecore.h"
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#include "private.h"
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#include "lpconfig.h"
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/**
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* @addtogroup chatroom
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* @{
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*/
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/**
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* Create a new chat room for messaging from a sip uri like sip:joe@sip.linphone.org
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* @param lc #LinphoneCore object
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* @param to destination address for messages
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* @return #LinphoneChatRoom where messaging can take place.
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*/
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LinphoneChatRoom * linphone_core_create_chat_room(LinphoneCore *lc, const char *to){
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LinphoneAddress *parsed_url=NULL;
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if ((parsed_url=linphone_core_interpret_url(lc,to))!=NULL){
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LinphoneChatRoom *cr=ms_new0(LinphoneChatRoom,1);
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cr->lc=lc;
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cr->peer=linphone_address_as_string(parsed_url);
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cr->peer_url=parsed_url;
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lc->chatrooms=ms_list_append(lc->chatrooms,(void *)cr);
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return cr;
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}
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return NULL;
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}
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/**
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* Destroy a LinphoneChatRoom.
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* @param cr #LinphoneChatRoom object
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*/
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void linphone_chat_room_destroy(LinphoneChatRoom *cr){
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LinphoneCore *lc=cr->lc;
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lc->chatrooms=ms_list_remove(lc->chatrooms,(void *) cr);
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linphone_address_destroy(cr->peer_url);
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ms_free(cr->peer);
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}
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static void _linphone_chat_room_send_message(LinphoneChatRoom *cr, LinphoneChatMessage* msg){
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SalOp *op=NULL;
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LinphoneCall *call;
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char* content_type;
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const char *identity=NULL;
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time_t t=time(NULL);
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if (lp_config_get_int(cr->lc->config,"sip","chat_use_call_dialogs",0)){
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if((call = linphone_core_get_call_by_remote_address(cr->lc,cr->peer))!=NULL){
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if (call->state==LinphoneCallConnected ||
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call->state==LinphoneCallStreamsRunning ||
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call->state==LinphoneCallPaused ||
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call->state==LinphoneCallPausing ||
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call->state==LinphoneCallPausedByRemote){
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ms_message("send SIP message through the existing call.");
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op = call->op;
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call->pending_message=msg;
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identity=linphone_core_find_best_identity(cr->lc,linphone_call_get_remote_address(call));
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}
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}
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}
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msg->time=t;
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if (op==NULL){
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LinphoneProxyConfig *proxy=linphone_core_lookup_known_proxy(cr->lc,cr->peer_url);
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if (proxy){
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identity=linphone_proxy_config_get_identity(proxy);
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}else identity=linphone_core_get_primary_contact(cr->lc);
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/*sending out of calls*/
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op = sal_op_new(cr->lc->sal);
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linphone_configure_op(cr->lc,op,cr->peer_url,msg->custom_headers,lp_config_get_int(cr->lc->config,"sip","chat_msg_with_contact",0));
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sal_op_set_user_pointer(op, msg); /*if out of call, directly store msg*/
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}
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if (msg->external_body_url) {
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content_type=ms_strdup_printf("message/external-body; access-type=URL; URL=\"%s\"",msg->external_body_url);
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sal_message_send(op,identity,cr->peer,content_type, NULL);
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ms_free(content_type);
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} else {
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sal_text_send(op, identity, cr->peer,msg->message);
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}
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msg->dir=LinphoneChatMessageOutgoing;
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msg->from=linphone_address_new(identity);
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linphone_chat_message_store(msg);
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}
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/**
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* Send a message to peer member of this chat room.
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* @deprecated linphone_chat_room_send_message2() gives more control on the message expedition.
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* @param cr #LinphoneChatRoom object
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* @param msg message to be sent
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*/
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void linphone_chat_room_send_message(LinphoneChatRoom *cr, const char *msg) {
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_linphone_chat_room_send_message(cr,linphone_chat_room_create_message(cr,msg));
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}
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bool_t linphone_chat_room_matches(LinphoneChatRoom *cr, const LinphoneAddress *from){
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if (linphone_address_get_username(cr->peer_url) && linphone_address_get_username(from) &&
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strcmp(linphone_address_get_username(cr->peer_url),linphone_address_get_username(from))==0) return TRUE;
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return FALSE;
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}
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void linphone_chat_room_message_received(LinphoneChatRoom *cr, LinphoneCore *lc, LinphoneChatMessage *msg){
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if (msg->message)
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//legacy API
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if (lc->vtable.text_received!=NULL) lc->vtable.text_received(lc, cr, msg->from, msg->message);
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if (lc->vtable.message_received!=NULL) lc->vtable.message_received(lc, cr,msg);
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}
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/**
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* Retrieve an existing chat room whose peer is the supplied address, if exists.
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* @param lc the linphone core
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* @param add a linphone address.
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* @returns the matching chatroom, or NULL if no such chatroom exists.
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**/
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LinphoneChatRoom *linphone_core_get_chat_room(LinphoneCore *lc, const LinphoneAddress *addr){
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LinphoneChatRoom *cr=NULL;
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MSList *elem;
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for(elem=lc->chatrooms;elem!=NULL;elem=ms_list_next(elem)){
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cr=(LinphoneChatRoom*)elem->data;
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if (linphone_chat_room_matches(cr,addr)){
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break;
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}
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cr=NULL;
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}
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return cr;
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}
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void linphone_core_message_received(LinphoneCore *lc, SalOp *op, const SalMessage *sal_msg){
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LinphoneChatRoom *cr=NULL;
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LinphoneAddress *addr;
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char *cleanfrom;
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char *from;
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LinphoneChatMessage* msg;
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const SalCustomHeader *ch;
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addr=linphone_address_new(sal_msg->from);
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linphone_address_clean(addr);
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cr=linphone_core_get_chat_room(lc,addr);
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cleanfrom=linphone_address_as_string(addr);
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from=linphone_address_as_string_uri_only(addr);
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if (cr==NULL){
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/* create a new chat room */
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cr=linphone_core_create_chat_room(lc,cleanfrom);
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}
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msg = linphone_chat_room_create_message(cr, sal_msg->text);
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linphone_chat_message_set_from(msg, cr->peer_url);
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{
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LinphoneAddress *to;
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to=sal_op_get_to(op) ? linphone_address_new(sal_op_get_to(op)) : linphone_address_new(linphone_core_get_identity(lc));
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msg->to=to;
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}
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msg->time=sal_msg->time;
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msg->state=LinphoneChatMessageStateDelivered;
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msg->is_read=FALSE;
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ch=sal_op_get_recv_custom_header(op);
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if (ch) msg->custom_headers=sal_custom_header_clone(ch);
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if (sal_msg->url) {
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linphone_chat_message_set_external_body_url(msg, sal_msg->url);
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}
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linphone_address_destroy(addr);
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linphone_chat_message_store(msg);
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linphone_chat_room_message_received(cr,lc,msg);
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ms_free(cleanfrom);
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ms_free(from);
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}
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/**
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* Returns back pointer to LinphoneCore object.
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**/
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LinphoneCore* linphone_chat_room_get_lc(LinphoneChatRoom *cr){
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return cr->lc;
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}
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/**
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* Assign a user pointer to the chat room.
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**/
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void linphone_chat_room_set_user_data(LinphoneChatRoom *cr, void * ud){
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cr->user_data=ud;
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}
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/**
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* Retrieve the user pointer associated with the chat room.
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**/
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void * linphone_chat_room_get_user_data(LinphoneChatRoom *cr){
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return cr->user_data;
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}
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/**
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* get peer address \link linphone_core_create_chat_room() associated to \endlink this #LinphoneChatRoom
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* @param cr #LinphoneChatRoom object
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* @return #LinphoneAddress peer address
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*/
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const LinphoneAddress* linphone_chat_room_get_peer_address(LinphoneChatRoom *cr) {
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return cr->peer_url;
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}
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/**
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* Create a message attached to a dedicated chat room;
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* @param cr the chat room.
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* @param message text message, NULL if absent.
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* @return a new #LinphoneChatMessage
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*/
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LinphoneChatMessage* linphone_chat_room_create_message(LinphoneChatRoom *cr, const char* message) {
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LinphoneChatMessage* msg = ms_new0(LinphoneChatMessage,1);
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msg->chat_room=(LinphoneChatRoom*)cr;
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msg->message=message?ms_strdup(message):NULL;
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msg->is_read=TRUE;
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return msg;
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}
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/**
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* Send a message to peer member of this chat room.
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* @param cr #LinphoneChatRoom object
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* @param msg #LinphoneChatMessage message to be sent
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* @param status_cb LinphoneChatMessageStateChangeCb status callback invoked when message is delivered or could not be delivered. May be NULL
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* @param ud user data for the status cb.
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* @note The LinphoneChatMessage must not be destroyed until the the callback is called.
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*/
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void linphone_chat_room_send_message2(LinphoneChatRoom *cr, LinphoneChatMessage* msg,LinphoneChatMessageStateChangeCb status_cb, void* ud) {
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msg->cb=status_cb;
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msg->cb_ud=ud;
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msg->state=LinphoneChatMessageStateInProgress;
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_linphone_chat_room_send_message(cr, msg);
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}
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/**
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* Returns a #LinphoneChatMessageState as a string.
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*/
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const char* linphone_chat_message_state_to_string(const LinphoneChatMessageState state) {
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switch (state) {
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case LinphoneChatMessageStateIdle:return "LinphoneChatMessageStateIdle";
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case LinphoneChatMessageStateInProgress:return "LinphoneChatMessageStateInProgress";
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case LinphoneChatMessageStateDelivered:return "LinphoneChatMessageStateDelivered";
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case LinphoneChatMessageStateNotDelivered:return "LinphoneChatMessageStateNotDelivered";
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default: return "Unknown state";
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}
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}
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/**
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* Returns the chatroom this message belongs to.
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**/
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LinphoneChatRoom* linphone_chat_message_get_chat_room(LinphoneChatMessage *msg){
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return msg->chat_room;
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}
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/**
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* Returns the peer (remote) address for the message.
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**/
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const LinphoneAddress* linphone_chat_message_get_peer_address(LinphoneChatMessage *msg) {
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return linphone_chat_room_get_peer_address(msg->chat_room);
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}
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/**
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*User pointer set function
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*/
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void linphone_chat_message_set_user_data(LinphoneChatMessage* message,void* ud) {
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message->message_userdata=ud;
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}
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/**
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* User pointer get function
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*/
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void* linphone_chat_message_get_user_data(const LinphoneChatMessage* message) {
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return message->message_userdata;
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}
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/**
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* Linphone message can carry external body as defined by rfc2017
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* @param message #LinphoneChatMessage
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* @return external body url or NULL if not present.
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*/
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const char* linphone_chat_message_get_external_body_url(const LinphoneChatMessage* message) {
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return message->external_body_url;
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}
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/**
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* Linphone message can carry external body as defined by rfc2017
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*
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* @param message a LinphoneChatMessage
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* @param url ex: access-type=URL; URL="http://www.foo.com/file"
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*/
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void linphone_chat_message_set_external_body_url(LinphoneChatMessage* message,const char* url) {
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if (message->external_body_url) {
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ms_free(message->external_body_url);
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}
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message->external_body_url=url?ms_strdup(url):NULL;
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}
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/**
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* Set origin of the message
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*@param message #LinphoneChatMessage obj
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*@param from #LinphoneAddress origin of this message (copied)
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*/
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void linphone_chat_message_set_from(LinphoneChatMessage* message, const LinphoneAddress* from) {
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if(message->from) linphone_address_destroy(message->from);
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message->from=linphone_address_clone(from);
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}
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/**
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* Get origin of the message
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*@param message #LinphoneChatMessage obj
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*@return #LinphoneAddress
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*/
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const LinphoneAddress* linphone_chat_message_get_from(const LinphoneChatMessage* message) {
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return message->from;
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}
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/**
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* Get destination of the message
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*@param message #LinphoneChatMessage obj
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*@return #LinphoneAddress
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*/
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const LinphoneAddress* linphone_chat_message_get_to(const LinphoneChatMessage* message){
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if (message->to) return message->to;
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if (message->dir==LinphoneChatMessageOutgoing){
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return message->chat_room->peer_url;
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}
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return NULL;
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}
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/**
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* Returns the origin address of a message if it was a outgoing message, or the destination address if it was an incoming message.
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*@param message #LinphoneChatMessage obj
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*@return #LinphoneAddress
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*/
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LinphoneAddress *linphone_chat_message_get_local_address(const LinphoneChatMessage* message){
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return message->dir==LinphoneChatMessageOutgoing ? message->from : message->to;
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}
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/**
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* Get the time the message was sent.
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*/
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time_t linphone_chat_message_get_time(const LinphoneChatMessage* message) {
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return message->time;
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}
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/**
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* Get the state of the message
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*@param message #LinphoneChatMessage obj
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*@return #LinphoneChatMessageState
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*/
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LinphoneChatMessageState linphone_chat_message_get_state(const LinphoneChatMessage* message) {
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return message->state;
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}
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/**
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* Get text part of this message
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* @return text or NULL if no text.
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*/
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const char * linphone_chat_message_get_text(const LinphoneChatMessage* message) {
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return message->message;
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}
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/**
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* Add custom headers to the message.
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* @param message the message
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* @param header_name name of the header_name
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* @param header_value header value
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**/
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void linphone_chat_message_add_custom_header(LinphoneChatMessage* message, const char *header_name, const char *header_value){
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message->custom_headers=sal_custom_header_append(message->custom_headers,header_name,header_value);
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}
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/**
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* Retrieve a custom header value given its name.
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* @param message the message
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* @param header_name header name searched
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**/
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const char * linphone_chat_message_get_custom_header(LinphoneChatMessage* message, const char *header_name){
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return sal_custom_header_find(message->custom_headers,header_name);
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}
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/**
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* Duplicate a LinphoneChatMessage
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**/
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LinphoneChatMessage* linphone_chat_message_clone(const LinphoneChatMessage* msg) {
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/*struct _LinphoneChatMessage {
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char* message;
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LinphoneChatRoom* chat_room;
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LinphoneChatMessageStateChangeCb cb;
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void* cb_ud;
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void* message_userdata;
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char* external_body_url;
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LinphoneAddress* from;
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time_t time;
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SalCustomHeader *custom_headers;
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LinphoneChatMessageState state;
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};*/
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LinphoneChatMessage* new_message = linphone_chat_room_create_message(msg->chat_room,msg->message);
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if (msg->external_body_url) new_message->external_body_url=ms_strdup(msg->external_body_url);
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new_message->cb=msg->cb;
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new_message->cb_ud=msg->cb_ud;
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new_message->message_userdata=msg->message_userdata;
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new_message->cb=msg->cb;
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new_message->time=msg->time;
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new_message->state=msg->state;
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if (msg->from) new_message->from=linphone_address_clone(msg->from);
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return new_message;
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}
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/**
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* Destroys a LinphoneChatMessage.
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**/
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void linphone_chat_message_destroy(LinphoneChatMessage* msg) {
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if (msg->message) ms_free(msg->message);
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if (msg->external_body_url) ms_free(msg->external_body_url);
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if (msg->from) linphone_address_destroy(msg->from);
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if (msg->to) linphone_address_destroy(msg->to);
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if (msg->custom_headers) sal_custom_header_free(msg->custom_headers);
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ms_free(msg);
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}
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/**
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* @}
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*/
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