/***

* ==++==

*

* Copyright (c) Microsoft Corporation. All rights reserved.

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*

* ==--==

* =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+

**/

#include "stdafx.h"

#if defined(__ANDROID__)

#include <android/log.h>

#include <jni.h>

#endif

namespace crossplat

{

#if (defined(ANDROID) || defined(__ANDROID__))

// This pointer will be 0-initialized by default (at load time).

std::atomic<JavaVM*> JVM;

static void abort_if_no_jvm()

{

if (JVM == nullptr)

{

__android_log_print(ANDROID_LOG_ERROR, "CPPRESTSDK", "%s", "The CppREST SDK must be initialized before first use on android: https://github.com/Microsoft/cpprestsdk/wiki/How-to-build-for-Android");

std::abort();

}

}

JNIEnv* get_jvm_env()

{

abort_if_no_jvm();

JNIEnv* env = nullptr;

auto result = JVM.load()->AttachCurrentThread(&env, nullptr);

if (result != JNI_OK)

{

throw std::runtime_error("Could not attach to JVM");

}

return env;

}

threadpool& threadpool::shared_instance()

{

abort_if_no_jvm();

static threadpool s_shared(40);

return s_shared;

}

#else

// initialize the static shared threadpool

threadpool& threadpool::shared_instance()

{

static threadpool s_shared(40);

return s_shared;

}

#endif

}

#if defined(__ANDROID__)

void cpprest_init(JavaVM* vm) {

crossplat::JVM = vm;

}

#endif