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linphone-iphone/Classes/LinphoneManager.m
Yann Diorcet 0b2236f007 Clean Linphone Manager 
Improve logs
2012-07-17 10:48:14 +02:00

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/* LinphoneManager.h
*
* Copyright (C) 2011 Belledonne Comunications, Grenoble, France
*
* 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.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <sys/sysctl.h>
#import <AVFoundation/AVAudioSession.h>
#import <AudioToolbox/AudioToolbox.h>
#import <SystemConfiguration/SystemConfiguration.h>
#import <CoreTelephony/CTCallCenter.h>
#import "LinphoneManager.h"
#import "LinphoneCoreSettingsStore.h"
#import "ChatModel.h"
#include "linphonecore_utils.h"
#include "lpconfig.h"
#include "private.h"
static LinphoneCore* theLinphoneCore=nil;
static LinphoneManager* theLinphoneManager=nil;
const NSString *CONTACT_SIP_FIELD = @"SIP";
extern void libmsilbc_init();
#ifdef HAVE_AMR
extern void libmsamr_init();
#endif
#ifdef HAVE_X264
extern void libmsx264_init();
#endif
#define FRONT_CAM_NAME "AV Capture: Front Camera"
#define BACK_CAM_NAME "AV Capture: Back Camera"
#if defined (HAVE_SILK)
extern void libmssilk_init();
#endif
#if HAVE_G729
extern void libmsbcg729_init();
#endif
@implementation LinphoneManager
@synthesize connectivity;
@synthesize frontCamId;
@synthesize backCamId;
@synthesize defaultExpires;
@synthesize settingsStore;
@synthesize database;
@synthesize fastAddressBook;
struct codec_name_pref_table{
const char *name;
int rate;
NSString *prefname;
};
struct codec_name_pref_table codec_pref_table[]={
{ "speex", 8000, @"speex_8k_preference" },
{ "speex", 16000, @"speex_16k_preference" },
{ "silk", 24000, @"silk_24k_preference" },
{ "silk", 16000, @"silk_16k_preference" },
{ "amr", 8000, @"amr_8k_preference" },
{ "ilbc", 8000, @"ilbc_preference"},
{ "pcmu", 8000, @"pcmu_preference"},
{ "pcma", 8000, @"pcma_preference"},
{ "g722", 8000, @"g722_preference"},
{ "g729", 8000, @"g729_preference"},
{ "mp4v-es", 90000, @"mp4v-es_preference"},
{ "h264", 90000, @"h264_preference"},
{ "vp8", 90000, @"vp8_preference"},
{ NULL,0,Nil }
};
+ (NSString *)getPreferenceForCodec: (const char*) name withRate: (int) rate{
int i;
for(i=0;codec_pref_table[i].name!=NULL;++i){
if (strcasecmp(codec_pref_table[i].name,name)==0 && codec_pref_table[i].rate==rate)
return codec_pref_table[i].prefname;
}
return Nil;
}
+ (BOOL)codecIsSupported:(NSString *) prefName{
int i;
for(i=0;codec_pref_table[i].name!=NULL;++i){
if ([prefName compare:codec_pref_table[i].prefname]==0){
return linphone_core_find_payload_type([LinphoneManager getLc],codec_pref_table[i].name, codec_pref_table[i].rate)!=NULL;
}
}
return TRUE;
}
+ (BOOL)runningOnIpad {
#ifdef UI_USER_INTERFACE_IDIOM
return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad);
#else
return NO;
#endif
}
+ (BOOL)isNotIphone3G
{
static BOOL done=FALSE;
static BOOL result;
if (!done){
size_t size;
sysctlbyname("hw.machine", NULL, &size, NULL, 0);
char *machine = malloc(size);
sysctlbyname("hw.machine", machine, &size, NULL, 0);
NSString *platform = [[NSString alloc ] initWithUTF8String:machine];
free(machine);
result = ![platform isEqualToString:@"iPhone1,2"];
[platform release];
done=TRUE;
}
return result;
}
+ (LinphoneManager*)instance {
return theLinphoneManager;
}
#pragma mark - Lifecycle Functions
- (id)init {
assert (!theLinphoneManager);
if ((self = [super init])) {
fastAddressBook = [[FastAddressBook alloc] init];
database = NULL;
theLinphoneManager = self;
self.defaultExpires = 600;
[self openDatabase];
}
return self;
}
- (void)dealloc {
[fastAddressBook release];
[self closeDatabase];
[super dealloc];
}
#pragma mark - Database Functions
- (void)openDatabase {
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsPath = [paths objectAtIndex:0];
NSString *databaseDocumentPath = [documentsPath stringByAppendingPathComponent:@"database.txt"];
// Copy default database
NSFileManager *fileManager = [NSFileManager defaultManager];
NSError *error = nil;
//[fileManager removeItemAtPath:databaseDocumentPath error:&error]; //TODO REMOVE
if ([fileManager fileExistsAtPath:databaseDocumentPath] == NO) {
[LinphoneLogger logc:LinphoneLoggerLog format:"Create sqlite3 database"];
NSString *resourceDocumentPath = [[NSBundle mainBundle] pathForResource:@"database" ofType:@"sqlite"];
[fileManager copyItemAtPath:resourceDocumentPath toPath:databaseDocumentPath error:&error];
if(error != nil) {
[LinphoneLogger log:LinphoneLoggerError format:@"Can't copy database: %@", [error localizedDescription]];
return;
}
}
if(sqlite3_open([databaseDocumentPath UTF8String], &database) != SQLITE_OK) {
[LinphoneLogger log:LinphoneLoggerError format:@"Can't open \"%@\" sqlite3 database.", databaseDocumentPath];
}
}
- (void)closeDatabase {
if(database != NULL) {
if(sqlite3_close(database) != SQLITE_OK) {
[LinphoneLogger logc:LinphoneLoggerError format:"Can't close sqlite3 database."];
}
}
}
#pragma mark - Linphone Core Functions
+ (LinphoneCore*)getLc {
if (theLinphoneCore==nil) {
@throw([NSException exceptionWithName:@"LinphoneCoreException" reason:@"Linphone core not initialized yet" userInfo:nil]);
}
return theLinphoneCore;
}
+ (BOOL)isLcReady {
return theLinphoneCore != nil;
}
#pragma mark - Logs Functions
//generic log handler for debug version
void linphone_iphone_log_handler(int lev, const char *fmt, va_list args){
NSString* format = [NSString stringWithUTF8String:fmt];
NSLogv(format, args);
NSString* formatedString = [[NSString alloc] initWithFormat:format arguments:args];
//[[LinphoneManager instance] addLog:formatedString];
[formatedString release];
}
//Error/warning log handler
static void linphone_iphone_log(struct _LinphoneCore * lc, const char * message) {
NSString* log = [NSString stringWithCString:message encoding:[NSString defaultCStringEncoding]];
NSLog(log, NULL);
//[[LinphoneManager instance] addLog:log];
}
#pragma mark - Display Status Functions
- (void)displayStatus:(NSString*) message {
// Post event
NSDictionary* dict = [[[NSDictionary alloc] initWithObjectsAndKeys:
message, @"message",
nil] autorelease];
[[NSNotificationCenter defaultCenter] postNotificationName:@"LinphoneDisplayStatus" object:self userInfo:dict];
}
static void linphone_iphone_display_status(struct _LinphoneCore * lc, const char * message) {
NSString* status = [[NSString alloc] initWithCString:message encoding:[NSString defaultCStringEncoding]];
[(LinphoneManager*)linphone_core_get_user_data(lc) displayStatus:status];
[status release];
}
#pragma mark - Call State Functions
- (void)onCall:(LinphoneCall*)call StateChanged:(LinphoneCallState)state withMessage:(const char *)message {
// Handling wrapper
if(state == LinphoneCallReleased) {
if(linphone_call_get_user_pointer(call) != NULL) {
free (linphone_call_get_user_pointer(call));
linphone_call_set_user_pointer(call, NULL);
}
return;
}
if (!linphone_call_get_user_pointer(call)) {
LinphoneCallAppData* data = (LinphoneCallAppData*) malloc(sizeof(LinphoneCallAppData));
data->batteryWarningShown = FALSE;
linphone_call_set_user_pointer(call, data);
}
if ((state == LinphoneCallEnd || state == LinphoneCallError)) {
if(linphone_core_get_calls_nb([LinphoneManager getLc]) == 0)
[self enableSpeaker:FALSE];
}
// Post event
NSDictionary* dict = [[[NSDictionary alloc] initWithObjectsAndKeys:
[NSValue valueWithPointer:call], @"call",
[NSNumber numberWithInt:state], @"state",
[NSString stringWithUTF8String:message], @"message", nil] autorelease];
[[NSNotificationCenter defaultCenter] postNotificationName:@"LinphoneCallUpdate" object:self userInfo:dict];
}
static void linphone_iphone_call_state(LinphoneCore *lc, LinphoneCall* call, LinphoneCallState state,const char* message) {
[(LinphoneManager*)linphone_core_get_user_data(lc) onCall:call StateChanged: state withMessage: message];
}
#pragma mark - Transfert State Functions
static void linphone_iphone_transfer_state_changed(LinphoneCore* lc, LinphoneCall* call, LinphoneCallState state) {
}
#pragma mark - Registration State Functions
-(void) onRegister:(LinphoneCore *)lc cfg:(LinphoneProxyConfig*) cfg state:(LinphoneRegistrationState) state message:(const char*) message {
[LinphoneLogger logc:LinphoneLoggerLog format:"NEW REGISTRATION STATE: '%s' (message: '%s')", linphone_registration_state_to_string(state), message];
// Post event
NSDictionary* dict = [[[NSDictionary alloc] initWithObjectsAndKeys:
[NSNumber numberWithInt:state], @"state",
[NSValue valueWithPointer:cfg], @"cfg",
[NSString stringWithUTF8String:message], @"message",
nil] autorelease];
[[NSNotificationCenter defaultCenter] postNotificationName:@"LinphoneRegistrationUpdate" object:self userInfo:dict];
}
static void linphone_iphone_registration_state(LinphoneCore *lc, LinphoneProxyConfig* cfg, LinphoneRegistrationState state,const char* message) {
[(LinphoneManager*)linphone_core_get_user_data(lc) onRegister:lc cfg:cfg state:state message:message];
}
#pragma mark - Text Received Functions
- (void)onTextReceived:(LinphoneCore *)lc room:(LinphoneChatRoom *)room from:(const LinphoneAddress *)from message:(const char *)message {
// Save message in database
ChatModel *chat = [[ChatModel alloc] init];
[chat setRemoteContact:[NSString stringWithUTF8String:linphone_address_get_username(from)]];
[chat setMessage:[NSString stringWithUTF8String:message]];
[chat setDirection:[NSNumber numberWithInt:1]];
[chat setTime:[NSDate date]];
[chat setRead:[NSNumber numberWithInt:0]];
[chat create];
// Post event
NSDictionary* dict = [[[NSDictionary alloc] initWithObjectsAndKeys:
[NSValue valueWithPointer:room], @"room",
[NSValue valueWithPointer:from], @"from",
[NSString stringWithUTF8String:message], @"message",
nil] autorelease];
[[NSNotificationCenter defaultCenter] postNotificationName:@"LinphoneTextReceived" object:self userInfo:dict];
}
static void linphone_iphone_text_received(LinphoneCore *lc, LinphoneChatRoom *room, const LinphoneAddress *from, const char *message) {
[(LinphoneManager*)linphone_core_get_user_data(lc) onTextReceived:lc room:room from:from message:message];
}
#pragma mark - Network Functions
- (void)kickOffNetworkConnection {
/*start a new thread to avoid blocking the main ui in case of peer host failure*/
[NSThread detachNewThreadSelector:@selector(runNetworkConnection) toTarget:self withObject:nil];
}
- (void)runNetworkConnection {
CFWriteStreamRef writeStream;
CFStreamCreatePairWithSocketToHost(NULL, (CFStringRef)@"192.168.0.200"/*"linphone.org"*/, 15000, nil, &writeStream);
CFWriteStreamOpen (writeStream);
const char* buff="hello";
CFWriteStreamWrite (writeStream,(const UInt8*)buff,strlen(buff));
CFWriteStreamClose (writeStream);
}
static void showNetworkFlags(SCNetworkReachabilityFlags flags){
[LinphoneLogger logc:LinphoneLoggerLog format:"Network connection flags:"];
if (flags==0) [LinphoneLogger logc:LinphoneLoggerLog format:"no flags."];
if (flags & kSCNetworkReachabilityFlagsTransientConnection)
[LinphoneLogger logc:LinphoneLoggerLog format:"kSCNetworkReachabilityFlagsTransientConnection"];
if (flags & kSCNetworkReachabilityFlagsReachable)
[LinphoneLogger logc:LinphoneLoggerLog format:"kSCNetworkReachabilityFlagsReachable"];
if (flags & kSCNetworkReachabilityFlagsConnectionRequired)
[LinphoneLogger logc:LinphoneLoggerLog format:"kSCNetworkReachabilityFlagsConnectionRequired"];
if (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic)
[LinphoneLogger logc:LinphoneLoggerLog format:"kSCNetworkReachabilityFlagsConnectionOnTraffic"];
if (flags & kSCNetworkReachabilityFlagsConnectionOnDemand)
[LinphoneLogger logc:LinphoneLoggerLog format:"kSCNetworkReachabilityFlagsConnectionOnDemand"];
if (flags & kSCNetworkReachabilityFlagsIsLocalAddress)
[LinphoneLogger logc:LinphoneLoggerLog format:"kSCNetworkReachabilityFlagsIsLocalAddress"];
if (flags & kSCNetworkReachabilityFlagsIsDirect)
[LinphoneLogger logc:LinphoneLoggerLog format:"kSCNetworkReachabilityFlagsIsDirect"];
if (flags & kSCNetworkReachabilityFlagsIsWWAN)
[LinphoneLogger logc:LinphoneLoggerLog format:"kSCNetworkReachabilityFlagsIsWWAN"];
}
void networkReachabilityCallBack(SCNetworkReachabilityRef target, SCNetworkReachabilityFlags flags, void* nilCtx){
showNetworkFlags(flags);
LinphoneManager* lLinphoneMgr = [LinphoneManager instance];
SCNetworkReachabilityFlags networkDownFlags=kSCNetworkReachabilityFlagsConnectionRequired |kSCNetworkReachabilityFlagsConnectionOnTraffic | kSCNetworkReachabilityFlagsConnectionOnDemand;
if ([LinphoneManager getLc] != nil) {
LinphoneProxyConfig* proxy;
linphone_core_get_default_proxy([LinphoneManager getLc], &proxy);
struct NetworkReachabilityContext* ctx = nilCtx ? ((struct NetworkReachabilityContext*)nilCtx) : 0;
if ((flags == 0) || (flags & networkDownFlags)) {
linphone_core_set_network_reachable([LinphoneManager getLc],false);
lLinphoneMgr.connectivity = none;
[[LinphoneManager instance] kickOffNetworkConnection];
} else {
Connectivity newConnectivity;
BOOL isWifiOnly = lp_config_get_int(linphone_core_get_config([LinphoneManager getLc]),"app","wifi_only_preference",FALSE);
if (!ctx || ctx->testWWan)
newConnectivity = flags & kSCNetworkReachabilityFlagsIsWWAN ? wwan:wifi;
else
newConnectivity = wifi;
if (newConnectivity == wwan
&& proxy
&& isWifiOnly
&& (lLinphoneMgr.connectivity == newConnectivity || lLinphoneMgr.connectivity == none)) {
linphone_proxy_config_expires(proxy, 0);
} else if (proxy){
linphone_proxy_config_expires(proxy, lLinphoneMgr.defaultExpires); //might be better to save the previous value
}
if (lLinphoneMgr.connectivity == none) {
linphone_core_set_network_reachable([LinphoneManager getLc],true);
} else if (lLinphoneMgr.connectivity != newConnectivity) {
// connectivity has changed
linphone_core_set_network_reachable([LinphoneManager getLc],false);
if (newConnectivity == wwan && proxy && isWifiOnly) {
linphone_proxy_config_expires(proxy, 0);
}
linphone_core_set_network_reachable([LinphoneManager getLc],true);
[LinphoneLogger logc:LinphoneLoggerLog format:"Network connectivity changed to type [%s]",(newConnectivity==wifi?"wifi":"wwan")];
}
lLinphoneMgr.connectivity=newConnectivity;
}
if (ctx && ctx->networkStateChanged) {
(*ctx->networkStateChanged)(lLinphoneMgr.connectivity);
}
}
}
- (void)setupNetworkReachabilityCallback {
SCNetworkReachabilityContext *ctx=NULL;
const char *nodeName="linphone.org";
if (proxyReachability) {
[LinphoneLogger logc:LinphoneLoggerLog format:"Cancelling old network reachability"];
SCNetworkReachabilityUnscheduleFromRunLoop(proxyReachability, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
CFRelease(proxyReachability);
proxyReachability = nil;
}
proxyReachability = SCNetworkReachabilityCreateWithName(nil, nodeName);
//initial state is network off should be done as soon as possible
SCNetworkReachabilityFlags flags;
if (!SCNetworkReachabilityGetFlags(proxyReachability, &flags)) {
[LinphoneLogger logc:LinphoneLoggerError format:"Cannot get reachability flags: %s", SCErrorString(SCError())];
return;
}
networkReachabilityCallBack(proxyReachability, flags, ctx ? ctx->info : 0);
if (!SCNetworkReachabilitySetCallback(proxyReachability, (SCNetworkReachabilityCallBack)networkReachabilityCallBack, ctx)){
[LinphoneLogger logc:LinphoneLoggerError format:"Cannot register reachability cb: %s", SCErrorString(SCError())];
return;
}
if(!SCNetworkReachabilityScheduleWithRunLoop(proxyReachability, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode)){
[LinphoneLogger logc:LinphoneLoggerError format:"Cannot register schedule reachability cb: %s", SCErrorString(SCError())];
return;
}
}
#pragma mark -
static LinphoneCoreVTable linphonec_vtable = {
.show =NULL,
.call_state_changed =(LinphoneCallStateCb)linphone_iphone_call_state,
.registration_state_changed = linphone_iphone_registration_state,
.notify_recv = NULL,
.new_subscription_request = NULL,
.auth_info_requested = NULL,
.display_status = linphone_iphone_display_status,
.display_message=linphone_iphone_log,
.display_warning=linphone_iphone_log,
.display_url=NULL,
.text_received=linphone_iphone_text_received,
.dtmf_received=NULL,
.transfer_state_changed=linphone_iphone_transfer_state_changed
};
//scheduling loop
- (void)iterate {
linphone_core_iterate(theLinphoneCore);
}
- (void)startLibLinphone {
//get default config from bundle
NSBundle* myBundle = [NSBundle mainBundle];
NSString* factoryConfig = [myBundle pathForResource:[LinphoneManager runningOnIpad]?@"linphonerc-ipad":@"linphonerc" ofType:nil] ;
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *confiFileName = [[paths objectAtIndex:0] stringByAppendingString:@"/.linphonerc"];
NSString *zrtpSecretsFileName = [[paths objectAtIndex:0] stringByAppendingString:@"/zrtp_secrets"];
const char* lRootCa = [[myBundle pathForResource:@"rootca"ofType:@"pem"] cStringUsingEncoding:[NSString defaultCStringEncoding]];
connectivity=none;
signal(SIGPIPE, SIG_IGN);
//log management
libmsilbc_init();
#if defined (HAVE_SILK)
libmssilk_init();
#endif
#ifdef HAVE_AMR
libmsamr_init(); //load amr plugin if present from the liblinphone sdk
#endif
#ifdef HAVE_X264
libmsx264_init(); //load x264 plugin if present from the liblinphone sdk
#endif
#if HAVE_G729
libmsbcg729_init(); // load g729 plugin
#endif
/* Initialize linphone core*/
[LinphoneLogger logc:LinphoneLoggerLog format:"Create linphonecore"];
theLinphoneCore = linphone_core_new (&linphonec_vtable
, [confiFileName cStringUsingEncoding:[NSString defaultCStringEncoding]]
, [factoryConfig cStringUsingEncoding:[NSString defaultCStringEncoding]]
,self);
linphone_core_set_root_ca(theLinphoneCore, lRootCa);
// Set audio assets
const char* lRing = [[myBundle pathForResource:@"oldphone-mono"ofType:@"wav"] cStringUsingEncoding:[NSString defaultCStringEncoding]];
linphone_core_set_ring(theLinphoneCore, lRing );
const char* lRingBack = [[myBundle pathForResource:@"ringback"ofType:@"wav"] cStringUsingEncoding:[NSString defaultCStringEncoding]];
linphone_core_set_ringback(theLinphoneCore, lRingBack);
const char* lPlay = [[myBundle pathForResource:@"toy-mono"ofType:@"wav"] cStringUsingEncoding:[NSString defaultCStringEncoding]];
linphone_core_set_play_file(theLinphoneCore, lPlay);
linphone_core_set_zrtp_secrets_file(theLinphoneCore, [zrtpSecretsFileName cStringUsingEncoding:[NSString defaultCStringEncoding]]);
[self setupNetworkReachabilityCallback];
// start scheduler
mIterateTimer = [NSTimer scheduledTimerWithTimeInterval:0.1
target:self
selector:@selector(iterate)
userInfo:nil
repeats:YES];
//init audio session
AVAudioSession *audioSession = [AVAudioSession sharedInstance];
BOOL bAudioInputAvailable= [audioSession inputIsAvailable];
[audioSession setDelegate:self];
NSError* err;
[audioSession setActive:NO error: &err];
if(!bAudioInputAvailable){
UIAlertView* error = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"No microphone",nil)
message:NSLocalizedString(@"You need to plug a microphone to your device to use this application.",nil)
delegate:nil
cancelButtonTitle:NSLocalizedString(@"Ok",nil)
otherButtonTitles:nil ,nil];
[error show];
[error release];
}
NSString* path = [myBundle pathForResource:@"nowebcamCIF" ofType:@"jpg"];
if (path) {
const char* imagePath = [path cStringUsingEncoding:[NSString defaultCStringEncoding]];
[LinphoneLogger logc:LinphoneLoggerLog format:"Using '%s' as source image for no webcam", imagePath];
linphone_core_set_static_picture(theLinphoneCore, imagePath);
}
/*DETECT cameras*/
frontCamId= backCamId=nil;
char** camlist = (char**)linphone_core_get_video_devices(theLinphoneCore);
for (char* cam = *camlist;*camlist!=NULL;cam=*++camlist) {
if (strcmp(FRONT_CAM_NAME, cam)==0) {
frontCamId = cam;
//great set default cam to front
linphone_core_set_video_device(theLinphoneCore, cam);
}
if (strcmp(BACK_CAM_NAME, cam)==0) {
backCamId = cam;
}
}
NSUInteger cpucount = [[NSProcessInfo processInfo] processorCount];
ms_set_cpu_count(cpucount);
if (![LinphoneManager isNotIphone3G]){
PayloadType *pt=linphone_core_find_payload_type(theLinphoneCore,"SILK",24000);
if (pt) {
linphone_core_enable_payload_type(theLinphoneCore,pt,FALSE);
[LinphoneLogger logc:LinphoneLoggerWarning format:"SILK/24000 and video disabled on old iPhone 3G"];
}
linphone_core_enable_video(theLinphoneCore, FALSE, FALSE);
}
if ([LinphoneManager runningOnIpad])
ms_set_cpu_count(2);
else
ms_set_cpu_count(1);
settingsStore = [[LinphoneCoreSettingsStore alloc] init];
[LinphoneLogger logc:LinphoneLoggerWarning format:"Linphone [%s] started on [%s]"
,linphone_core_get_version()
,[[UIDevice currentDevice].model cStringUsingEncoding:[NSString defaultCStringEncoding]]];
if ([[UIDevice currentDevice] respondsToSelector:@selector(isMultitaskingSupported)]
&& [UIApplication sharedApplication].applicationState == UIApplicationStateBackground) {
//go directly to bg mode
[self enterBackgroundMode];
}
}
- (void)destroyLibLinphone {
[mIterateTimer invalidate];
AVAudioSession *audioSession = [AVAudioSession sharedInstance];
[audioSession setDelegate:nil];
if (theLinphoneCore != nil) { //just in case application terminate before linphone core initialization
[LinphoneLogger logc:LinphoneLoggerLog format:"Destroy linphonecore"];
linphone_core_destroy(theLinphoneCore);
theLinphoneCore = nil;
SCNetworkReachabilityUnscheduleFromRunLoop(proxyReachability, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
if (proxyReachability)
CFRelease(proxyReachability);
proxyReachability=nil;
}
}
- (BOOL)enterBackgroundMode {
LinphoneProxyConfig* proxyCfg;
linphone_core_get_default_proxy(theLinphoneCore, &proxyCfg);
linphone_core_stop_dtmf_stream(theLinphoneCore);
if (proxyCfg && [settingsStore boolForKey:@"backgroundmode_preference"]) {
//For registration register
linphone_core_refresh_registers(theLinphoneCore);
//wait for registration answer
int i=0;
while (!linphone_proxy_config_is_registered(proxyCfg) && i++<40 ) {
linphone_core_iterate(theLinphoneCore);
usleep(100000);
}
//register keepalive
if ([[UIApplication sharedApplication] setKeepAliveTimeout:600/*(NSTimeInterval)linphone_proxy_config_get_expires(proxyCfg)*/
handler:^{
[LinphoneLogger logc:LinphoneLoggerWarning format:"keepalive handler"];
if (theLinphoneCore == nil) {
[LinphoneLogger logc:LinphoneLoggerWarning format:"It seems that Linphone BG mode was deactivated, just skipping"];
return;
}
//kick up network cnx, just in case
[self kickOffNetworkConnection];
[self refreshRegisters];
linphone_core_iterate(theLinphoneCore);
}
]) {
[LinphoneLogger logc:LinphoneLoggerLog format:"keepalive handler succesfully registered"];
} else {
[LinphoneLogger logc:LinphoneLoggerLog format:"keepalive handler cannot be registered"];
}
LCSipTransports transportValue;
if (linphone_core_get_sip_transports(theLinphoneCore, &transportValue)) {
[LinphoneLogger logc:LinphoneLoggerError format:"cannot get current transport"];
}
return YES;
}
else {
[LinphoneLogger logc:LinphoneLoggerLog format:"Entering lite bg mode"];
[self destroyLibLinphone];
return NO;
}
}
- (void)becomeActive {
if (theLinphoneCore == nil) {
//back from standby and background mode is disabled
[self startLibLinphone];
} else {
[self refreshRegisters];
}
/*IOS specific*/
linphone_core_start_dtmf_stream(theLinphoneCore);
}
- (void)beginInterruption {
LinphoneCall* c = linphone_core_get_current_call(theLinphoneCore);
[LinphoneLogger logc:LinphoneLoggerLog format:"Sound interruption detected!"];
if (c) {
linphone_core_pause_call(theLinphoneCore, c);
}
}
- (void)endInterruption {
[LinphoneLogger logc:LinphoneLoggerLog format:"Sound interruption ended!"];
}
- (void)refreshRegisters{
/*first check if network is available*/
if (proxyReachability){
SCNetworkReachabilityFlags flags=0;
if (!SCNetworkReachabilityGetFlags(proxyReachability, &flags)) {
[LinphoneLogger logc:LinphoneLoggerError format:"Cannot get reachability flags, re-creating reachability context."];
[self setupNetworkReachabilityCallback];
}else{
networkReachabilityCallBack(proxyReachability, flags, 0);
if (flags==0){
/*workaround iOS bug: reachability API cease to work after some time.*/
/*when flags==0, either we have no network, or the reachability object lies. To workaround, create a new one*/
[self setupNetworkReachabilityCallback];
}
}
}else [LinphoneLogger logc:LinphoneLoggerError format:"No proxy reachability context created !"];
linphone_core_refresh_registers(theLinphoneCore);//just to make sure REGISTRATION is up to date
}
#pragma mark - Speaker Functions
- (void)enableSpeaker:(BOOL)enable {
//redirect audio to speaker
if(enable) {
UInt32 audioRouteOverride = kAudioSessionOverrideAudioRoute_Speaker;
AudioSessionSetProperty (kAudioSessionProperty_OverrideAudioRoute
, sizeof (audioRouteOverride)
, &audioRouteOverride);
} else {
UInt32 audioRouteOverride = kAudioSessionOverrideAudioRoute_None;
AudioSessionSetProperty (kAudioSessionProperty_OverrideAudioRoute
, sizeof (audioRouteOverride)
, &audioRouteOverride);
}
}
- (BOOL)isSpeakerEnabled {
CFStringRef lNewRoute = CFSTR("Unknown");
UInt32 lNewRouteSize = sizeof(lNewRoute);
OSStatus lStatus = AudioSessionGetProperty(kAudioSessionProperty_AudioRoute, &lNewRouteSize, &lNewRoute);
if (!lStatus && lNewRouteSize > 0) {
NSString *route = (NSString *) lNewRoute;
[LinphoneLogger logc:LinphoneLoggerLog format:"Current audio route is [%s]", [route cStringUsingEncoding:[NSString defaultCStringEncoding]]];
return [route isEqualToString: @"Speaker"] || [route isEqualToString: @"SpeakerAndMicrophone"];
} else {
return false;
}
}
#pragma mark - Call Functions
- (void)call:(NSString *)address displayName:(NSString*)displayName transfer:(BOOL)transfer {
if (!linphone_core_is_network_reachabled(theLinphoneCore)) {
UIAlertView* error = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Network Error",nil)
message:NSLocalizedString(@"There is no network connection available, enable WIFI or WWAN prior to place a call",nil)
delegate:nil
cancelButtonTitle:NSLocalizedString(@"Continue",nil)
otherButtonTitles:nil];
[error show];
[error release];
return;
}
CTCallCenter* ct = [[CTCallCenter alloc] init];
if ([ct.currentCalls count] > 0) {
[LinphoneLogger logc:LinphoneLoggerError format:"GSM call in progress, cancelling outgoing SIP call request"];
UIAlertView* error = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Cannot make call",nil)
message:NSLocalizedString(@"Please terminate GSM call",nil)
delegate:nil
cancelButtonTitle:NSLocalizedString(@"Continue",nil)
otherButtonTitles:nil];
[error show];
[error release];
[ct release];
return;
}
[ct release];
LinphoneProxyConfig* proxyCfg;
//get default proxy
linphone_core_get_default_proxy([LinphoneManager getLc],&proxyCfg);
LinphoneCallParams* lcallParams = linphone_core_create_default_call_parameters([LinphoneManager getLc]);
if ([address length] == 0) return; //just return
if ([address hasPrefix:@"sip:"]) {
LinphoneAddress* linphoneAddress = linphone_address_new([address cStringUsingEncoding:[NSString defaultCStringEncoding]]);
if(displayName!=nil) {
linphone_address_set_display_name(linphoneAddress,[displayName cStringUsingEncoding:[NSString defaultCStringEncoding]]);
}
if(transfer) {
linphone_core_transfer_call([LinphoneManager getLc], linphone_core_get_current_call([LinphoneManager getLc]), [address cStringUsingEncoding:[NSString defaultCStringEncoding]]);
} else {
linphone_core_invite_address_with_params([LinphoneManager getLc], linphoneAddress, lcallParams);
}
linphone_address_destroy(linphoneAddress);
} else if (proxyCfg==nil){
UIAlertView* error = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Invalid sip address",nil)
message:NSLocalizedString(@"Either configure a SIP proxy server from settings prior to place a call or use a valid sip address (I.E sip:john@example.net)",nil)
delegate:nil
cancelButtonTitle:NSLocalizedString(@"Continue",nil)
otherButtonTitles:nil];
[error show];
[error release];
} else {
char normalizedUserName[256];
LinphoneAddress* linphoneAddress = linphone_address_new(linphone_core_get_identity([LinphoneManager getLc]));
linphone_proxy_config_normalize_number(proxyCfg,[address cStringUsingEncoding:[NSString defaultCStringEncoding]],normalizedUserName,sizeof(normalizedUserName));
linphone_address_set_username(linphoneAddress, normalizedUserName);
if(displayName!=nil) {
linphone_address_set_display_name(linphoneAddress, [displayName cStringUsingEncoding:[NSString defaultCStringEncoding]]);
}
if(transfer) {
linphone_core_transfer_call([LinphoneManager getLc], linphone_core_get_current_call([LinphoneManager getLc]), normalizedUserName);
} else {
linphone_core_invite_address_with_params([LinphoneManager getLc], linphoneAddress,lcallParams);
}
}
linphone_call_params_destroy(lcallParams);
}
@end
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