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			135 lines
		
	
	
	
		
			4.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			135 lines
		
	
	
	
		
			4.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*************************************************************************/
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| /*  net_socket_android.cpp                                               */
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| /*************************************************************************/
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| /*                       This file is part of:                           */
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| /*                           GODOT ENGINE                                */
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| /*                      https://godotengine.org                          */
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| /*************************************************************************/
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| /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
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| /* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
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| /*                                                                       */
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| /* Permission is hereby granted, free of charge, to any person obtaining */
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| /* a copy of this software and associated documentation files (the       */
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| /* "Software"), to deal in the Software without restriction, including   */
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| /* without limitation the rights to use, copy, modify, merge, publish,   */
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| /* distribute, sublicense, and/or sell copies of the Software, and to    */
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| /* permit persons to whom the Software is furnished to do so, subject to */
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| /* the following conditions:                                             */
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| /*                                                                       */
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| /* The above copyright notice and this permission notice shall be        */
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| /* included in all copies or substantial portions of the Software.       */
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| /*                                                                       */
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| /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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| /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
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| /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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| /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
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| /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
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| /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
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| /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
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| /*************************************************************************/
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| 
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| #include "net_socket_android.h"
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| 
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| #include "thread_jandroid.h"
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| 
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| jobject NetSocketAndroid::net_utils = 0;
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| jclass NetSocketAndroid::cls = 0;
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| jmethodID NetSocketAndroid::_multicast_lock_acquire = 0;
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| jmethodID NetSocketAndroid::_multicast_lock_release = 0;
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| 
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| void NetSocketAndroid::setup(jobject p_net_utils) {
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| 	JNIEnv *env = get_jni_env();
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| 
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| 	net_utils = env->NewGlobalRef(p_net_utils);
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| 
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| 	jclass c = env->GetObjectClass(net_utils);
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| 	cls = (jclass)env->NewGlobalRef(c);
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| 
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| 	_multicast_lock_acquire = env->GetMethodID(cls, "multicastLockAcquire", "()V");
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| 	_multicast_lock_release = env->GetMethodID(cls, "multicastLockRelease", "()V");
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| }
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| 
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| void NetSocketAndroid::multicast_lock_acquire() {
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| 	if (_multicast_lock_acquire) {
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| 		JNIEnv *env = get_jni_env();
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| 		env->CallVoidMethod(net_utils, _multicast_lock_acquire);
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| 	}
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| }
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| 
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| void NetSocketAndroid::multicast_lock_release() {
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| 	if (_multicast_lock_release) {
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| 		JNIEnv *env = get_jni_env();
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| 		env->CallVoidMethod(net_utils, _multicast_lock_release);
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| 	}
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| }
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| 
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| NetSocket *NetSocketAndroid::_create_func() {
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| 	return memnew(NetSocketAndroid);
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| }
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| 
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| void NetSocketAndroid::make_default() {
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| 	_create = _create_func;
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| }
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| 
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| NetSocketAndroid::NetSocketAndroid() :
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| 		wants_broadcast(false),
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| 		multicast_groups(0) {
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| }
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| 
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| NetSocketAndroid::~NetSocketAndroid() {
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| 	close();
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| }
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| 
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| void NetSocketAndroid::close() {
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| 	NetSocketPosix::close();
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| 	if (wants_broadcast)
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| 		multicast_lock_release();
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| 	if (multicast_groups)
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| 		multicast_lock_release();
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| 	wants_broadcast = false;
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| 	multicast_groups = 0;
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| }
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| 
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| Error NetSocketAndroid::set_broadcasting_enabled(bool p_enabled) {
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| 	Error err = NetSocketPosix::set_broadcasting_enabled(p_enabled);
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| 	if (err != OK)
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| 		return err;
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| 
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| 	if (p_enabled != wants_broadcast) {
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| 		if (p_enabled) {
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| 			multicast_lock_acquire();
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| 		} else {
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| 			multicast_lock_release();
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| 		}
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| 
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| 		wants_broadcast = p_enabled;
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| 	}
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| 
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| 	return OK;
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| }
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| 
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| Error NetSocketAndroid::join_multicast_group(const IP_Address &p_multi_address, String p_if_name) {
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| 	Error err = NetSocketPosix::join_multicast_group(p_multi_address, p_if_name);
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| 	if (err != OK)
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| 		return err;
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| 
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| 	if (!multicast_groups)
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| 		multicast_lock_acquire();
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| 	multicast_groups++;
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| 
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| 	return OK;
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| }
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| 
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| Error NetSocketAndroid::leave_multicast_group(const IP_Address &p_multi_address, String p_if_name) {
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| 	Error err = NetSocketPosix::leave_multicast_group(p_multi_address, p_if_name);
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| 	if (err != OK)
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| 		return err;
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| 
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| 	ERR_FAIL_COND_V(multicast_groups == 0, ERR_BUG);
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| 
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| 	multicast_groups--;
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| 	if (!multicast_groups)
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| 		multicast_lock_release();
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| 
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| 	return OK;
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| }
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