godot/platform/android/net_socket_android.cpp

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/*************************************************************************/
/* net_socket_android.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "net_socket_android.h"
#include "thread_jandroid.h"
jobject NetSocketAndroid::net_utils = 0;
jclass NetSocketAndroid::cls = 0;
jmethodID NetSocketAndroid::_multicast_lock_acquire = 0;
jmethodID NetSocketAndroid::_multicast_lock_release = 0;
void NetSocketAndroid::setup(jobject p_net_utils) {
JNIEnv *env = ThreadAndroid::get_env();
net_utils = env->NewGlobalRef(p_net_utils);
jclass c = env->GetObjectClass(net_utils);
cls = (jclass)env->NewGlobalRef(c);
_multicast_lock_acquire = env->GetMethodID(cls, "multicastLockAcquire", "()V");
_multicast_lock_release = env->GetMethodID(cls, "multicastLockRelease", "()V");
}
void NetSocketAndroid::multicast_lock_acquire() {
if (_multicast_lock_acquire) {
JNIEnv *env = ThreadAndroid::get_env();
env->CallVoidMethod(net_utils, _multicast_lock_acquire);
}
}
void NetSocketAndroid::multicast_lock_release() {
if (_multicast_lock_release) {
JNIEnv *env = ThreadAndroid::get_env();
env->CallVoidMethod(net_utils, _multicast_lock_release);
}
}
NetSocket *NetSocketAndroid::_create_func() {
return memnew(NetSocketAndroid);
}
void NetSocketAndroid::make_default() {
_create = _create_func;
}
NetSocketAndroid::NetSocketAndroid() :
wants_broadcast(false),
multicast_groups(0) {
}
NetSocketAndroid::~NetSocketAndroid() {
close();
}
void NetSocketAndroid::close() {
NetSocketPosix::close();
if (wants_broadcast)
multicast_lock_release();
if (multicast_groups)
multicast_lock_release();
wants_broadcast = false;
multicast_groups = 0;
}
Error NetSocketAndroid::set_broadcasting_enabled(bool p_enabled) {
Error err = NetSocketPosix::set_broadcasting_enabled(p_enabled);
if (err != OK)
return err;
if (p_enabled != wants_broadcast) {
if (p_enabled) {
multicast_lock_acquire();
} else {
multicast_lock_release();
}
wants_broadcast = p_enabled;
}
return OK;
}
Error NetSocketAndroid::join_multicast_group(const IP_Address &p_multi_address, String p_if_name) {
Error err = NetSocketPosix::join_multicast_group(p_multi_address, p_if_name);
if (err != OK)
return err;
if (!multicast_groups)
multicast_lock_acquire();
multicast_groups++;
return OK;
}
Error NetSocketAndroid::leave_multicast_group(const IP_Address &p_multi_address, String p_if_name) {
Error err = NetSocketPosix::leave_multicast_group(p_multi_address, p_if_name);
if (err != OK)
return err;
ERR_FAIL_COND_V(multicast_groups == 0, ERR_BUG);
multicast_groups--;
if (!multicast_groups)
multicast_lock_release();
return OK;
}