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Environs.Lib.cpp
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/**
* Environs Native Layer API exposed by the libraries
* ------------------------------------------------------------------
* Copyright (c) Chi-Tai Dang
*
* @author Chi-Tai Dang
* @version 1.0
* @remarks
*
* This file is part of the Environs framework developed at the
* Lab for Human Centered Multimedia of the University of Augsburg.
* http://hcm-lab.de/environs
*
* Environ is free software; you can redistribute it and/or modify
* it under the terms of the Eclipse Public License v1.0.
* A copy of the license may be obtained at:
* http://www.eclipse.org/org/documents/epl-v10.html
* --------------------------------------------------------------------
*/
#include "stdafx.h"
#define ENVIRONS_NATIVE_MODULE
/// Compiler flag that enables verbose debug output
#ifndef NDEBUG
//# define DEBUGVERB
//# define DEBUGVERBVerb
#endif
#ifndef CLI_CPP
// Import access to the environs native object
#include "Environs.Obj.h"
using namespace environs;
// Import declarations and exports for the API
#include "Environs.h"
#include "Environs.Lib.h"
#include "Environs.Utils.h"
#include "Environs.Crypt.h"
#include "Environs.Mobile.h"
#include "Environs.Modules.h"
#include "Environs.Release.h"
#include "Environs.Sensors.h"
#include "Tracer.h"
#include "Core/Async.Worker.h"
#include "Core/Byte.Buffer.h"
#include "Core/Callbacks.h"
#include "Core/Notifications.h"
#include "Device/Device.Controller.h"
#include "Portal/Portal.Device.h"
#ifdef DISPLAYDEVICE
#include "Renderer/Render.OpenCL.h"
#endif
#include "Environs.Build.Lnk.h"
#define CLASS_NAME "API. . . . . . . . . . ."
namespace environs
{
extern void RegisterMainThreadUtil ( );
extern bool InitStorageUtil ( const char * storagePath );
namespace API
{
extern void Environs_LoginDialog ( int hInst, CString_ptr userName );
ENVIRONSAPI void EnvironsFunc ( SetDebugN, int mode )
{
g_Debug = mode;
}
ENVIRONSAPI int EnvironsProc ( GetDebugN )
{
return g_Debug;
}
/**
* Query whether the native layer was build for release (or debug).
*
* @return true = Release build, false = Debug build.
*/
ENVIRONSAPI EBOOL EnvironsProc ( GetIsReleaseBuildN )
{
return
#ifdef NDEBUG
true;
#else
false;
#endif
}
ENVIRONSAPI const char * EnvironsFunc ( ResolveNameN, int notification )
{
return resolveName ( notification );
}
ENVIRONSAPI void EnvironsFunc ( SetOSLevelN, int level )
{
native.OSLevel = level;
}
/**
* Reset crypt layer and all created resources. Those will be recreated if necessary.
* This method is intended to be called directly after creation of an Environs instance.
*
*/
ENVIRONSAPI void EnvironsProc ( ResetCryptLayerN )
{
CLog ( "ResetCryptLayerN" );
if ( environs::opt_pubCert ) free ( environs::opt_pubCert );
opt_pubCert = 0;
if ( opt_privKey ) free ( opt_privKey );
opt_privKey = 0;
unlink ( BuildDataStorePath ( ENVIRONS_PRIVATE_KEYNAME ) );
unlink ( BuildDataStorePath ( ENVIRONS_PUBLIC_CERTNAME ) );
}
ENVIRONSAPI void EnvironsFunc ( RegisterMainThreadN, int hInst )
{
CVerb ( "RegisterMainThreadN" );
InitSensorMainThreaded ();
RegisterMainThreadUtil ();
}
/*
* Method: GetVersionString
* Signature: ()Ljava/lang/String;
*/
ENVIRONSAPI jstring EnvironsProc ( GetVersionStringN )
{
#ifdef ANDROID
return jenv->NewStringUTF ( ENVIRONS_VERSION_STRING );
#else
return ENVIRONS_VERSION_STRING;
#endif
}
ENVIRONSAPI jint EnvironsProc ( GetVersionMajorN ) {
return BUILD_MAJOR_VERSION;
}
ENVIRONSAPI jint EnvironsProc ( GetVersionMinorN ) {
return BUILD_MINOR_VERSION;
}
ENVIRONSAPI jint EnvironsProc ( GetVersionRevisionN ) {
return BUILD_REVISION;
}
ENVIRONSAPI jint EnvironsProc ( GetPlatformN ) {
return native.platform;
}
ENVIRONSAPI void EnvironsFunc ( SetPlatformN, jint platform ) {
native.platform = (Platforms_t) platform;
}
ENVIRONSAPI void EnvironsFunc ( SetIsLocationNodeN, jboolean isLocationNode )
{
int platform = native.platform;
if ( isLocationNode )
platform |= Platforms::LocationNode_Flag;
else
platform &= ~Platforms::LocationNode_Flag;
native.platform = (Platforms_t) platform;
}
ENVIRONSAPI EBOOL EnvironsFunc ( GetDisposingN, jint hInst )
{
return ( !instances [ hInst ] || instances[hInst]->disposing != 0);
}
ENVIRONSAPI void EnvironsFunc ( SetDisposingN, jint hInst, EBOOL enable )
{
instances [ hInst ]->disposing = (enable == 1);
}
/**
* Set timeout for LAN/WiFi connects. Default ( 2 seconds ).
* Increasing this value may help to handle worse networks which suffer from large latencies.
*
* @param timeout
*/
ENVIRONSAPI void EnvironsFunc ( SetNetworkConnectTimeoutN, int value )
{
if ( value < 0 )
return;
native.networkConnectTimeout = value;
}
ENVIRONSAPI void EnvironsFunc ( LogN, jstring msg, jint length )
{
# ifdef ANDROID
INIT_PCHAR ( szMsg, msg );
if ( szMsg == NULL ) {
return;
}
environs::COutLog ( 0, szMsg, length, true );
RELEASE_PCHAR ( szMsg, msg );
# else
environs::COutLog ( msg, length, true );
# endif
}
EBOOL ApplyStringToSettingsNM ( int hInst, const char * value, char * target, unsigned int maxSize )
{
bool success = false;
size_t len = strlen ( value );
if ( len > 0 && len < maxSize )
{
strlcpy ( target, value, maxSize );
CVerbArg ( "ApplyStringToSettingsNM: [%s]", target );
if ( hInst > 0 && hInst < ENVIRONS_MAX_ENVIRONS_INSTANCES )
{
Instance * env = instances [ hInst ];
sp ( MediatorClient ) med = env->mediator MED_WP;
if ( med && env->kernel && env->environsState >= environs::Status::Stopped )
med->BuildBroadcastMessage ();
}
success = true;
}
return success;
}
EBOOL EnvironsFunc ( ApplyStringToSettingsN, jint hInst, jstring value, char * target, unsigned int maxSize )
{
if ( !target || !value ) {
CVerb ( "ApplyStringToSettingsN: Failed! Called with NULL argument!" );
return false;
}
INIT_PCHAR ( szValue, value );
if ( szValue == NULL ) {
CErr ( "ApplyStringToSettingsN: Failed to allocate string or called with NULL argument!" );
return false;
}
bool success = (ApplyStringToSettingsNM ( hInst, szValue, target, maxSize ) != 0);
RELEASE_PCHAR ( szValue, value );
return success;
}
/**
* Create a native Environs object and return a handle to the object.
* A return value of 0 means Error
*
* @return An instance handle that refers to the created Environs object
*/
ENVIRONSAPI jint EnvironsProc ( CreateEnvironsN )
{
CVerbN ( "CreateEnvironsN" );
int hEnvirons = 0;
int hInst = 1;
sp ( Instance ) envSP;
if ( !LockAcquireA ( native.transitionLock, "CreateEnvironsN" ) )
return 0;
for ( ; hInst < ENVIRONS_MAX_ENVIRONS_INSTANCES; ++hInst )
{
if ( instances [ hInst ] )
continue;
envSP = std::make_shared < Instance > ();
if ( !envSP )
break;
#ifndef ENABLE_INSTANCE_WEAK_REFERENCE
LockAcquireVA ( native.instancesSPLock, "CreateEnvironsN" );
#endif
native.instancesSP [ hInst ] = envSP;
Instance * inst = envSP.get ();
instances [ hInst ] = inst;
inst->hEnvirons = hInst;
inst->myself = envSP;
#ifndef ENABLE_INSTANCE_WEAK_REFERENCE
LockReleaseVA ( native.instancesSPLock, "CreateEnvironsN" );
#endif
if ( !inst->Init () )
break;
if ( !CreateInstancePlatform ( inst ) )
break;
hEnvirons = hInst;
break;
}
if ( !hEnvirons && hInst < ENVIRONS_MAX_ENVIRONS_INSTANCES )
{
instances [ hInst ] = 0;
if ( envSP ) {
#ifdef ENABLE_INSTANCE_WEAK_REFERENCE
envSP->myself.reset ();
#else
LockAcquireVA ( native.instancesSPLock, "CreateEnvironsN" );
native.instancesSP [ hInst ].reset ();
envSP->myself.reset ();
LockReleaseVA ( native.instancesSPLock, "CreateEnvironsN" );
#endif
}
}
LockReleaseVA ( native.transitionLock, "CreateEnvironsN" );
return hEnvirons;
}
/**
* Load settings for the given application environment from settings storage,
* if any have been saved previously.
*
* @param hInst The handle to a particular native Environs instance.
* @param appName The application name for the application environment.
* @param areaName The area name for the application environment.
*
* @return success
*/
ENVIRONSAPI EBOOL EnvironsFunc ( LoadSettingsN, jint hInst, jstring app, jstring area )
{
CVerb ( "LoadSettingsN" );
if ( hInst <= 0 || hInst >= ENVIRONS_MAX_ENVIRONS_INSTANCES ) {
CErr ( "LoadSettingsN: Invalid arguments!" );
return 0;
}
Instance * inst = instances[hInst];
if ( app && !EnvironsCallArg ( ApplyStringToSettingsN, hInst, app, inst->appName, sizeof(inst->appName) ) )
return false;
if ( area && !EnvironsCallArg ( ApplyStringToSettingsN, hInst, area, inst->areaName, sizeof ( inst->areaName ) ) )
return false;
/// Load configuration
return LoadConfig ( inst );
}
ENVIRONSAPI void EnvironsProc ( ClearStorageN )
{
CVerb ( "ClearStorageN" );
ClearStorage ( native.dataStore );
}
sp ( Instance ) GetStartedInstanceSP ( int hInst )
{
#ifdef ENABLE_INSTANCE_WEAK_REFERENCE
sp ( Instance ) envSP = native.instancesSP [ hInst ].lock ();
#else
LockAcquireVA ( native.instancesSPLock, "GetStartedInstanceSP" );
sp ( Instance ) envSP = native.instancesSP [ hInst ];
LockReleaseVA ( native.instancesSPLock, "GetStartedInstanceSP" );
#endif
if ( !envSP )
return 0;
if ( envSP->environsState < environs::Status::Started ) {
CVerb ( "GetStartedInstanceSP: Environs instance is not started." );
return 0;
}
return envSP;
}
sp ( Instance ) GetInstanceSP ( int hInst )
{
#ifdef ENABLE_INSTANCE_WEAK_REFERENCE
return native.instancesSP [ hInst ].lock ();
#else
LockAcquireVA ( native.instancesSPLock, "GetStartedInstanceSP" );
sp ( Instance ) envSP = native.instancesSP [ hInst ];
LockReleaseVA ( native.instancesSPLock, "GetStartedInstanceSP" );
return envSP;
#endif
}
Instance * GetStartedInstance ( int hInst )
{
Instance * env = instances [ hInst ];
if ( !env )
return 0;
if ( env->environsState < environs::Status::Started ) {
CVerb ( "GetStartedInstance: Environs instance is not started." );
return 0;
}
return env;
}
void SetDeviceID ( int hInst, int deviceID )
{
CVerbArg ( "SetDeviceID: %u", deviceID );
Instance * env = instances[hInst];
if ( !env )
return;
if ( !deviceID ) {
Core::GenerateRandomDeviceID ( env );
return;
}
env->deviceID = deviceID;
sp ( MediatorClient ) mediator = env->mediator MED_WP;
if ( mediator ) {
mediator->BroadcastGenerateToken ();
mediator->BuildBroadcastMessage ();
return;
}
#ifdef DISPLAYDEVICE
SaveConfig ( );
#else
char buffer [16];
sprintf ( buffer, "%i", deviceID );
env->opt ( APPENV_SETTING_DEVICE_ID, buffer );
#endif
}
ENVIRONSAPI void SetDeviceID2 ( int hInst, int deviceID )
{
CVerbArg ( "SetDeviceID2: %u", deviceID );
SetDeviceID ( hInst, deviceID );
}
ENVIRONSAPI jint EnvironsFunc ( GetAppAreaIDN, jint hInst )
{
return instances [ hInst ]->appAreaID;
}
ENVIRONSAPI void EnvironsFunc ( SetDeviceIDN, jint hInst, jint deviceID )
{
SetDeviceID ( hInst, deviceID );
}
ENVIRONSAPI jint EnvironsFunc ( GetDeviceIDN, jint hInst )
{
return instances [ hInst ]->deviceID;
}
ENVIRONSAPI jint EnvironsFunc ( GetDeviceIDFromMediatorN, jint hInst )
{
Instance * env = instances [ hInst ];
if ( env->deviceID ) {
CWarn ( "GetDeviceIDFromMediatorN: A device ID has already been set before." );
return env->deviceID;
}
sp ( MediatorClient ) mediator = env->mediator MED_WP;
if ( !mediator ) {
if ( !MediatorClient::InitInstance ( ) )
return 0;
mediator = env->mediator MED_WP;
if ( !mediator )
return 0;
}
if ( env->useDefaultMediator ) {
if ( !mediator->AddMediator ( inet_addr ( env->DefaultMediatorIP ), env->DefaultMediatorPort ) ) {
CWarn ( "GetDeviceIDFromMediatorN: Failed to add default Mediator!" );
}
}
if ( env->useCustomMediator ) {
if ( !mediator->AddMediator ( env->CustomMediatorIP, env->CustomMediatorPort ) ) {
CWarn ( "GetDeviceIDFromMediatorN: Failed to add custom Mediator!" );
}
}
mediator->RegisterAtMediators ( false );
int tries = 8;
do
{
Sleep ( 600 );
if ( env->deviceID )
break;
tries--;
}
while ( tries > 0 );
return env->deviceID;
}
ENVIRONSAPI jint EnvironsProc ( GetIPAddressN )
{
return Mediator::GetLocalIP ( );
}
ENVIRONSAPI jint EnvironsProc ( GetSubnetMaskN )
{
return Mediator::GetLocalSN ( );
}
ENVIRONSAPI jint EnvironsFunc ( GetMediatorFilterLevelN, jint hInst )
{
return instances[hInst]->mediatorFilterLevel;
}
ENVIRONSAPI void EnvironsFunc ( SetMediatorFilterLevelN, jint hInst, jint level )
{
instances[hInst]->mediatorFilterLevel = level;
}
ENVIRONSAPI EBOOL EnvironsFunc ( GetDirectContactStatusN, jint hInst, jint nativeID )
{
CVerbIDN ( "GetDirectContactStatusN" );
DeviceBase * device = environs::GetDevice ( nativeID );
if ( !device )
return false;
bool success = device->GetDirectContactStatus ( );
UnlockDevice ( device );
return success;
}
/**
* Enable or disable device list update notifications from Mediator layer.
* In particular, mobile devices should disable notifications if the devicelist is not
* visible to users or the app transitioned to background.
* This helps recuding cpu load and network traffic when not required.
*
* @param enable true = enable, false = disable
*/
ENVIRONSAPI void EnvironsFunc ( SetMediatorNotificationSubscriptionN, jint hInst, jint enable )
{
sp ( MediatorClient ) mediator = instances[hInst]->mediator MED_WP;
if ( mediator )
mediator->SetNotificationSubscription ( enable == 1 );
}
/**
* Get subscription status of device list update notifications from Mediator layer.
*
* @return enable true = enable, false = disable
*/
ENVIRONSAPI jint EnvironsFunc ( GetMediatorNotificationSubscriptionN, jint hInst )
{
sp ( MediatorClient ) mediator = instances[hInst]->mediator MED_WP;
if ( mediator )
return (mediator->GetNotificationSubscription () ? 1 : 0);
return false;
}
/**
* Enable or disable short messages from Mediator layer.
* In particular, mobile devices should disable short messages if the app transitioned to background or mobile network only.
* This helps recuding cpu load and network traffic when not necessary.
*
* @param enable true = enable, false = disable
*/
ENVIRONSAPI void EnvironsFunc ( SetMessagesSubscriptionN, jint hInst, jint enable )
{
sp ( MediatorClient ) mediator = instances[hInst]->mediator MED_WP;
if ( mediator )
mediator->SetMessagesSubscription ( enable == 1 );
}
/**
* Get subscription status of short messages from Mediator layer.
*
* @return enable true = enable, false = disable
*/
ENVIRONSAPI jint EnvironsFunc ( GetMessagesSubscriptionN, jint hInst )
{
sp ( MediatorClient ) mediator = instances[hInst]->mediator MED_WP;
if ( mediator )
return (mediator->GetMessagesSubscription () ? 1 : 0);
return false;
}
/**
* Get the status, whether the device (id) has established an active portal
*
* @param nativeID The device id of the target device.
* @param portalType 0 = Any type, or PORTAL_DIR_INCOMING, PORTAL_DIR_OUTGOING
* @return success true = yes, false = no
*/
ENVIRONSAPI EBOOL EnvironsFunc ( GetPortalEnabledN, jint hInst, jint nativeID, int portalType )
{
CVerbIDN ( "GetPortalEnabledN" );
DeviceBase * device = environs::GetDevice ( nativeID );
if ( !device )
return false;
bool success = device->GetPortalEnabled ( portalType );
UnlockDevice ( device );
return success;
}
/**
* Get the portalID of the first active portal
*
* @param nativeID The device id of the target device.
* @param portalType 0 = Any type, or PORTAL_DIR_INCOMING, PORTAL_DIR_OUTGOING
* @return portalID The portal ID.
*/
ENVIRONSAPI int EnvironsFunc ( GetPortalIDN, jint hInst, jint nativeID, int portalType )
{
CVerbIDN ( "GetPortalIDN" );
DeviceBase * device = environs::GetDevice ( nativeID );
if ( !device ) {
CErrIDN ( "GetPortalIDN: Failed to lookup device." );
return -1;
}
int success = device->GetPortalID ( portalType );
UnlockDevice ( device );
return success;
}
/**
* Set the ports that the local instance of Environs shall use for listening on connections.
*
* @param tcpPort The tcp port.
* @param udpPort The udp port.
* @return success
*/
ENVIRONSAPI EBOOL EnvironsFunc ( SetPortsN, jint hInst, int tcpPort, int udpPort )
{
CVerbArg ( "SetPortsN: tcp [ %d ] udp [ %d ]", tcpPort, udpPort );
Instance * env = instances [ hInst ];
if ( tcpPort < 0 || tcpPort > 65535 )
return false;
env->tcpPort = (unsigned short) tcpPort;
if ( udpPort < 0 || udpPort > 65535 )
return false;
env->udpPort = (unsigned short) udpPort;
sp ( MediatorClient ) mediator = env->mediator MED_WP;
if ( mediator && env->environsState >= environs::Status::Stopped )
mediator->BuildBroadcastMessage ( false );
return true;
}
/**
* Set the base port that the local instance of Environs shall use for communication with other instances.
* This option enables spanning of multiple multi surface environsments separated by the network stacks.
*
* @param port The base port.
* @return success
*/
ENVIRONSAPI EBOOL EnvironsFunc ( SetBasePortN, jint hInst, int port )
{
CVerbArg ( "SetBasePort: port [ %d ]", port );
Instance * env = instances [ hInst ];
if ( port < 0 || port > 65535 )
return false;
env->basePort = (unsigned short) port;
sp ( MediatorClient ) mediator = env->mediator MED_WP;
if ( mediator && env->environsState >= environs::Status::Stopped ) {
mediator->BuildBroadcastMessage ( false );
mediator->Stop ( true );
mediator->Start ();
}
return true;
}
/**
* Update device flags to native layer and populate them to the environment.
*
* @param hInst The handle to the environs instance.
* @param objID The identifier for the native device object.
* @param flags The internal flags to set or clear. (of type DeviceFlagsInternal::Observer*)
* @param set true = set, false = clear.
*/
ENVIRONSAPI void EnvironsFunc ( SetDeviceFlagsN, jint hInst, jint async, jint objID, jint flags, jboolean set )
{
CVerbArg ( "SetDeviceFlagsN: objID [ %i ]\tFlags [ 0x%X ]\tSet [ %d ]", objID, flags, set );
#ifdef ENABLE_INSTANCE_WEAK_REFERENCE
sp ( Instance ) envSP = native.instancesSP [ hInst ].lock ();
#else
LockAcquireVA ( native.instancesSPLock, "SetDeviceFlagsN" );
sp ( Instance ) envSP = native.instancesSP [ hInst ] ;
LockReleaseVA ( native.instancesSPLock, "SetDeviceFlagsN" );
#endif
if ( !envSP )
return;
if ( async )
envSP->asyncWorker.Push ( objID, ASYNCWORK_TYPE_DEVICE_FLAGS_SYNC_ASYNC, flags, set, 0 );
else
envSP->asyncWorker.SyncDeviceFlagsAsync ( objID, flags, set );
}
ENVIRONSAPI EBOOL EnvironsFunc ( RegisterAtMediatorsN, jint hInst )
{
CVerb ( "RegisterAtMediatorsN" );
Instance * env = instances [ hInst ];
if ( env ) {
sp ( MediatorClient ) mediator = env->mediator MED_WP;
if ( mediator && env->environsState >= environs::Status::Starting )
return mediator->RegisterAtMediators ( false );
}
return false;
}
ENVIRONSAPI EBOOL EnvironsFunc ( SetAreaNameN, jint hInst, jstring name )
{
CVerb ( "SetAreaNameN" );
return EnvironsCallArg ( ApplyStringToSettingsN, hInst, name, instances[hInst]->areaName, sizeof ( instances[hInst]->areaName ) );
}
/*
* Method: GetAreaName
* Signature: ()Ljava/lang/String;
*/
ENVIRONSAPI jstring EnvironsFunc ( GetAreaNameN, jint hInst )
{
#ifdef DISPLAYDEVICE
return instances[hInst]->areaName;
#else
jstring jvalue = 0;
#ifdef ANDROID
jvalue = jenv->NewStringUTF ( instances[hInst]->areaName );
#else
jvalue = instances[hInst]->areaName;
#endif
return jvalue;
#endif
}
ENVIRONSAPI EBOOL EnvironsFunc ( SetApplicationNameN, jint hInst, jstring name )
{
CVerb ( "SetApplicationNameN" );
return EnvironsCallArg ( ApplyStringToSettingsN, hInst, name, instances[hInst]->appName, sizeof(instances[hInst]->appName) );
}
/*
* Method: getApplicationName
* Signature: ()Ljava/lang/String;
*/
ENVIRONSAPI jstring EnvironsFunc ( GetApplicationNameN, jint hInst )
{
#ifdef DISPLAYDEVICE
return instances[hInst]->appName;
#else
return JSTRINGNEW ( instances[hInst]->appName );
#endif
}
/**
* Query whether the name of the current device has been set before.
*
* @return has DeviceUID
*/
ENVIRONSAPI EBOOL EnvironsProc ( HasDeviceUIDN )
{
CVerb ( "HasDeviceUIDN" );
return (*native.deviceUID != 0);
}
/**
* Set the name of the current device. This name is used to communicate with other devices within the environment.
*
* @param deviceUID A unique identifier to identify this device.
* @return success
*/
ENVIRONSAPI EBOOL EnvironsFunc ( SetDeviceUIDN, jstring name )
{
CVerb ( "SetDeviceUIDN" );
if ( !name ) {
CVerb ( "SetDeviceUIDN: Failed! Called with NULL argument!" );
return false;
}
INIT_PCHAR ( szName, name );
if ( szName == NULL ) {
CErr ( "SetDeviceUIDN: Failed to allocate string or called with NULL argument!" );
return false;
}
#ifndef DISPLAYDEVICE
opt ( 0, APPENV_SETTING_DEVICE_UID, szName );
#endif
bool success = (ApplyStringToSettingsNM ( 1, szName, native.deviceUID, sizeof(native.deviceUID) ) != 0);
RELEASE_PCHAR ( szName, name );
return success;
}
/**
* Set the name of the current device. This name is used to communicate with other devices within the environment.
*
* @param deviceName The device name.
* @return success
*/
ENVIRONSAPI EBOOL EnvironsFunc ( SetDeviceNameN, jstring name )
{
CVerb ( "SetDeviceNameN" );
return EnvironsCallArg ( ApplyStringToSettingsN, 0, name, native.deviceName, sizeof( native.deviceName) );
}
EBOOL EnvironsFunc ( ApplyModuleToSettingsN, jint hInst, jstring moduleName, char ** target, int environs_InterfaceType, bool testInstance )
{
if ( !target || !moduleName )
return false;
INIT_PCHAR ( szModule, moduleName );
if ( szModule == NULL ) {
CErr ( "ApplyModuleToSettingsN: Failed to allocate string or called with NULL argument!" );
return false;
}
bool success = false;
size_t len = strlen ( szModule );
do
{
if ( len <= 0 || len > 1024 )
break;
if ( testInstance ) {
IEnvironsBase * instance = (IEnvironsBase *) environs::API::CreateInstance ( szModule, 0, environs_InterfaceType, 0, instances[hInst] );
if ( !instance )
break;
DisposeInstance ( instance );
}
char * modName = strdup ( szModule );
if ( !modName )
break;
if ( *target ) {
free ( *target );
}
*target = modName;
success = true;
}
while ( 0 );
RELEASE_PCHAR ( szModule, moduleName );
return success;
}
/**
* Use default encoder, decoder, capture, render modules.
*
* @return success
*/
ENVIRONSAPI EBOOL EnvironsFunc ( SetUsePortalDefaultModulesN, jint hInst )
{
CVerb ( "SetUsePortalDefaultModulesN" );
instances[hInst]->DisposePortalModules ();
return 1;
}
/**
* Use encoder module with the name moduleName. (libEnv-Enc...).
*
* @param moduleName the name of the module
* @return success
*/
ENVIRONSAPI EBOOL EnvironsFunc ( SetUseEncoderN, jint hInst, jstring moduleName )
{
CVerb ( "SetUseEncoderN" );
return EnvironsCallArg ( ApplyModuleToSettingsN, hInst, moduleName, &instances[hInst]->mod_PortalEncoder, InterfaceType::Encoder, true );
}
/**
* Use decoder module with the name moduleName. (libEnv-Dec...).
*