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ton/example/android/native-lib.cpp
2019-09-07 14:33:36 +04:00

200 lines
7.9 KiB
C++

/*
This file is part of TON Blockchain Library.
TON Blockchain Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
TON Blockchain Library 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
Copyright 2017-2019 Telegram Systems LLP
*/
#include <jni.h>
#include <string>
#include <cstdint>
#include <cstdlib>
#include <utility>
#include "tl/tl_jni_object.h"
#include "tonlib/tonlib_client_json.h"
#include "tonlib/Client.h"
#include "auto/tl/tonlib_api.h"
extern "C" JNIEXPORT jstring JNICALL Java_drinkless_org_tonlib_MainActivity_stringFromJNI(JNIEnv *env,
jobject /* this */,
jstring dir) {
std::string hello = "Hello from C++";
std::string query = "{\"@type\": \"runTests\", \"dir\":\"";
query += env->GetStringUTFChars(dir, 0);
query += "\"}";
return env->NewStringUTF(tonlib_client_json_execute(nullptr, query.c_str()));
//return env->NewStringUTF(hello.c_str());
}
extern "C" JNIEXPORT jlong JNICALL Java_drinkless_org_tonlib_ClientJsonNative_create(JNIEnv *env, jobject /* this */) {
return reinterpret_cast<jlong>(tonlib_client_json_create());
}
extern "C" JNIEXPORT void JNICALL Java_drinkless_org_tonlib_ClientJsonNative_send(JNIEnv *env, jobject /* this */,
jlong client, jstring j_query) {
auto query = td::jni::from_jstring(env, j_query);
return tonlib_client_json_send(reinterpret_cast<void *>(client), query.c_str());
}
extern "C" JNIEXPORT jstring JNICALL Java_drinkless_org_tonlib_ClientJsonNative_execute(JNIEnv *env, jobject /* this */,
jstring j_query) {
auto query = td::jni::from_jstring(env, j_query);
return td::jni::to_jstring(env, tonlib_client_json_execute(nullptr, query.c_str()));
}
extern "C" JNIEXPORT jstring JNICALL Java_drinkless_org_tonlib_ClientJsonNative_receive(JNIEnv *env, jobject /* this */,
jlong client, jdouble timeout) {
return td::jni::to_jstring(env, tonlib_client_json_receive(reinterpret_cast<void *>(client), timeout));
}
extern "C" JNIEXPORT void JNICALL Java_drinkless_org_tonlib_ClientJsonNative_destroy(JNIEnv *env, jobject /* this */,
jlong client) {
return tonlib_client_json_destroy(reinterpret_cast<void *>(client));
}
// ---
namespace td_jni {
static tonlib_api::object_ptr<tonlib_api::Function> fetch_function(JNIEnv *env, jobject function) {
td::jni::reset_parse_error();
auto result = tonlib_api::Function::fetch(env, function);
if (td::jni::have_parse_error()) {
std::abort();
}
return result;
}
static tonlib::Client *get_client(jlong client_id) {
return reinterpret_cast<tonlib::Client *>(static_cast<std::uintptr_t>(client_id));
}
static jlong Client_createNativeClient(JNIEnv *env, jclass clazz) {
return static_cast<jlong>(reinterpret_cast<std::uintptr_t>(new tonlib::Client()));
}
static void Client_nativeClientSend(JNIEnv *env, jclass clazz, jlong client_id, jlong id, jobject function) {
get_client(client_id)->send({static_cast<std::uint64_t>(id), fetch_function(env, function)});
}
static jint Client_nativeClientReceive(JNIEnv *env, jclass clazz, jlong client_id, jlongArray ids, jobjectArray events,
jdouble timeout) {
auto client = get_client(client_id);
jsize events_size = env->GetArrayLength(ids); // ids and events size must be of equal size
if (events_size == 0) {
return 0;
}
jsize result_size = 0;
auto response = client->receive(timeout);
while (response.object) {
jlong result_id = static_cast<jlong>(response.id);
env->SetLongArrayRegion(ids, result_size, 1, &result_id);
jobject object;
response.object->store(env, object);
env->SetObjectArrayElement(events, result_size, object);
env->DeleteLocalRef(object);
result_size++;
if (result_size == events_size) {
break;
}
response = client->receive(0);
}
return result_size;
}
static jobject Client_nativeClientExecute(JNIEnv *env, jclass clazz, jobject function) {
jobject result;
tonlib::Client::execute({0, fetch_function(env, function)}).object->store(env, result);
return result;
}
static void Client_destroyNativeClient(JNIEnv *env, jclass clazz, jlong client_id) {
delete get_client(client_id);
}
static jstring Object_toString(JNIEnv *env, jobject object) {
return td::jni::to_jstring(env, to_string(tonlib_api::Object::fetch(env, object)));
}
static jstring Function_toString(JNIEnv *env, jobject object) {
return td::jni::to_jstring(env, to_string(tonlib_api::Function::fetch(env, object)));
}
static constexpr jint JAVA_VERSION = JNI_VERSION_1_6;
static JavaVM *java_vm;
static jclass log_class;
static void on_fatal_error(const char *error_message) {
auto env = td::jni::get_jni_env(java_vm, JAVA_VERSION);
jmethodID on_fatal_error_method = env->GetStaticMethodID(log_class, "onFatalError", "(Ljava/lang/String;)V");
if (env && on_fatal_error_method) {
jstring error_str = td::jni::to_jstring(env.get(), error_message);
env->CallStaticVoidMethod(log_class, on_fatal_error_method, error_str);
if (error_str) {
env->DeleteLocalRef(error_str);
}
}
}
static jint register_native(JavaVM *vm) {
JNIEnv *env;
if (vm->GetEnv(reinterpret_cast<void **>(&env), JAVA_VERSION) != JNI_OK) {
return -1;
}
java_vm = vm;
auto register_method = [env](jclass clazz, std::string name, std::string signature, auto function_ptr) {
td::jni::register_native_method(env, clazz, std::move(name), std::move(signature),
reinterpret_cast<void *>(function_ptr));
};
auto client_class = td::jni::get_jclass(env, PACKAGE_NAME "/Client");
//log_class = td::jni::get_jclass(env, PACKAGE_NAME "/Log");
auto object_class = td::jni::get_jclass(env, PACKAGE_NAME "/TonApi$Object");
auto function_class = td::jni::get_jclass(env, PACKAGE_NAME "/TonApi$Function");
#define TD_OBJECT "L" PACKAGE_NAME "/TonApi$Object;"
#define TD_FUNCTION "L" PACKAGE_NAME "/TonApi$Function;"
register_method(client_class, "createNativeClient", "()J", Client_createNativeClient);
register_method(client_class, "nativeClientSend", "(JJ" TD_FUNCTION ")V", Client_nativeClientSend);
register_method(client_class, "nativeClientReceive", "(J[J[" TD_OBJECT "D)I", Client_nativeClientReceive);
register_method(client_class, "nativeClientExecute", "(" TD_FUNCTION ")" TD_OBJECT, Client_nativeClientExecute);
register_method(client_class, "destroyNativeClient", "(J)V", Client_destroyNativeClient);
register_method(object_class, "toString", "()Ljava/lang/String;", Object_toString);
register_method(function_class, "toString", "()Ljava/lang/String;", Function_toString);
#undef TD_FUNCTION
#undef TD_OBJECT
td::jni::init_vars(env, PACKAGE_NAME);
tonlib_api::Object::init_jni_vars(env, PACKAGE_NAME);
tonlib_api::Function::init_jni_vars(env, PACKAGE_NAME);
// FIXME
//td::Log::set_fatal_error_callback(on_fatal_error);
return JAVA_VERSION;
}
} // namespace td_jni
JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) {
static jint jni_version = td_jni::register_native(vm); // call_once
return jni_version;
}