9ceb3b016c
This adds a WebSockets server to filament-utils-android. Unlike my first attempt (#3599), this does not use a piping server and is therefore much faster to use over a LAN. It also has lower user friction because there is no need to touch a button in the app or scan a QR code.
71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <jni.h>
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#include <viewer/RemoteServer.h>
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using namespace filament::viewer;
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extern "C" JNIEXPORT jlong JNICALL
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Java_com_google_android_filament_utils_RemoteServer_nCreate(JNIEnv* env, jclass, jint port) {
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RemoteServer* server = new RemoteServer(port);
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if (!server->isValid()) {
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delete server;
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return 0;
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}
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return (jlong) server;
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}
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extern "C" JNIEXPORT void JNICALL
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Java_com_google_android_filament_utils_RemoteServer_nDestroy(JNIEnv*, jclass, jlong native) {
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RemoteServer* server = (RemoteServer*) native;
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delete server;
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}
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extern "C" JNIEXPORT jstring JNICALL
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Java_com_google_android_filament_utils_RemoteServer_nPeekIncomingLabel(JNIEnv* env, jclass, jlong native) {
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RemoteServer* server = (RemoteServer*) native;
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IncomingMessage const* msg = server->peekIncomingMessage();
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return msg ? env->NewStringUTF(msg->label) : nullptr;
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}
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extern "C" JNIEXPORT jint JNICALL
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Java_com_google_android_filament_utils_RemoteServer_nPeekIncomingBufferLength(JNIEnv* env, jclass, jlong native) {
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RemoteServer* server = (RemoteServer*) native;
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IncomingMessage const* msg = server->peekIncomingMessage();
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return msg ? msg->bufferByteCount : 0;
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}
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extern "C" JNIEXPORT void JNICALL
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Java_com_google_android_filament_utils_RemoteServer_nAcquireIncomingMessage(JNIEnv* env, jclass, jlong native, jobject buffer, jint length) {
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RemoteServer* server = (RemoteServer*) native;
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IncomingMessage const* msg = server->acquireIncomingMessage();
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if (msg == nullptr) {
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return;
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}
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void* address = env->GetDirectBufferAddress(buffer);
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if (address == nullptr) {
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// This should never happen because the Java layer does allocateDirect.
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return;
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}
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memcpy(address, msg->buffer, length);
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server->releaseIncomingMessage(msg);
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}
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