binder: Add aidl_demo

cuiziweizw · openvela-robot · commit 60c09caedc85 · 2024-11-20T19:27:49.000+08:00
Change-Id: I64fb4a4423e9a9b01605a79ce180765b891027ce
diff --git a/Make.defs b/Make.defs
@@ -0,0 +1,17 @@
+#
+# Copyright (C) 2023 Xiaomi Corporation
+#
+# 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 $(wildcard $(APPDIR)/frameworks/binder/*/Make.defs)
diff --git a/Makefile b/Makefile
@@ -0,0 +1,19 @@
+#
+# Copyright (C) 2023 Xiaomi Corporation
+#
+# 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.
+#
+
+MENUDESC = "Binder"
+
+include $(APPDIR)/Directory.mk
diff --git a/README.md b/README.md
diff --git a/examples/Make.defs b/examples/Make.defs
@@ -0,0 +1,17 @@
+#
+# Copyright (C) 2023 Xiaomi Corporation
+#
+# 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 $(wildcard $(APPDIR)/frameworks/binder/examples/*/Make.defs)
diff --git a/examples/Makefile b/examples/Makefile
@@ -0,0 +1,19 @@
+#
+# Copyright (C) 2023 Xiaomi Corporation
+#
+# 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.
+#
+
+MENUDESC = "Binder"
+
+include $(APPDIR)/Directory.mk
diff --git a/examples/aidl_demo/ITestStuff.aidl b/examples/aidl_demo/ITestStuff.aidl
@@ -0,0 +1,20 @@
+
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * 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.
+ */
+interface ITestStuff {
+    void write(int sample);
+    void read(int idx);
+}
diff --git a/examples/aidl_demo/Kconfig b/examples/aidl_demo/Kconfig
@@ -0,0 +1,24 @@
+#
+# Copyright (C) 2023 Xiaomi Corporation
+#
+# 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.
+#
+
+config BINDER_EXAMPLES
+	tristate "Binder examples"
+	depends on ANDROID_BINDER
+
+config BINDER_EXAMPLES_STACKSIZE
+	int "Binder examples stack size"
+	depends on BINDER_EXAMPLES
+	default DEFAULT_TASK_STACKSIZE
diff --git a/examples/aidl_demo/Make.defs b/examples/aidl_demo/Make.defs
@@ -0,0 +1,19 @@
+#
+# Copyright (C) 2023 Xiaomi Corporation
+#
+# 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.
+#
+
+ifneq ($(CONFIG_BINDER_EXAMPLES),)
+CONFIGURED_APPS += $(APPDIR)/frameworks/binder/examples/aidl_demo
+endif
diff --git a/examples/aidl_demo/Makefile b/examples/aidl_demo/Makefile
@@ -0,0 +1,41 @@
+#
+# Copyright (C) 2023 Xiaomi Corporation
+#
+# 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 $(APPDIR)/Make.defs
+
+CXXEXT = .cpp
+
+MODULE    = $(CONFIG_BINDER_EXAMPLES)
+PRIORITY  = SCHED_PRIORITY_DEFAULT
+STACKSIZE = $(CONFIG_BINDER_EXAMPLES_STACKSIZE)
+
+AIDLFLAGS = --lang=cpp -h. -o.
+AIDLSRCS += ITestStuff.aidl
+
+CXXFLAGS += -I.
+
+CXXSRCS  += ITestStuff.cpp
+MAINSRC  += TestClient.cpp
+PROGNAME += TestClient
+MAINSRC  += TestServer.cpp
+PROGNAME += TestServer
+
+MAINSRC  += TestClientCpc.cpp
+PROGNAME += TestClientCpc
+MAINSRC  += TestServerCpc.cpp
+PROGNAME += TestServerCpc
+
+include $(APPDIR)/Application.mk
diff --git a/examples/aidl_demo/TestClient.cpp b/examples/aidl_demo/TestClient.cpp
@@ -0,0 +1,41 @@
+#define LOG_TAG "TestClient"
+
+#include <binder/IPCThreadState.h>
+#include <binder/ProcessState.h>
+#include <binder/IServiceManager.h>
+
+#include "ITestStuff.h"
+#include "BnTestStuff.h"
+#include "BpTestStuff.h"
+
+#include <utils/Log.h>
+#include <utils/String8.h>
+
+using namespace android;
+using android::binder::Status;
+
+extern "C" int main(int count, char **argv)
+{
+    ALOGI("demo client start count: %d, argv[0]: %s", count, argv[0]);
+
+    // obtain service manager
+    sp<IServiceManager> sm(defaultServiceManager());
+    ALOGI("defaultServiceManager(): %p", sm.get());
+
+    // obtain demo.service
+    sp<IBinder> binder = sm->getService(String16("aidldemo.service"));
+    if (binder == NULL) {
+        ALOGE("aidldemo service binder is null, abort...");
+        return -1;
+    }
+    ALOGI("aidldemo service binder is %p", binder.get());
+
+    // by interface_cast restore ITest
+    sp<ITestStuff> service = interface_cast<ITestStuff>(binder);
+    ALOGI("aidldemo service is %p", service.get());
+
+    // use service provided by demo.service
+    service->write(123);
+    service->read(456);
+    return 0;
+}
diff --git a/examples/aidl_demo/TestClientCpc.cpp b/examples/aidl_demo/TestClientCpc.cpp
@@ -0,0 +1,39 @@
+#define LOG_TAG "TestClient"
+
+#include <binder/IPCThreadState.h>
+#include <binder/ProcessState.h>
+
+#include "ITestStuff.h"
+#include "BnTestStuff.h"
+#include "BpTestStuff.h"
+
+#include <utils/Log.h>
+#include <utils/String8.h>
+#include <binder/RpcServer.h>
+#include <binder/RpcSession.h>
+#include <binder/RpcCertificateFormat.h>
+#include <binder/RpcTransportRaw.h>
+
+using namespace android;
+using android::binder::Status;
+
+extern "C" int main(int count, char **argv)
+{
+    ALOGI("client RpcSession::make...");
+    auto session = RpcSession::make();
+    auto status = session->setupRpmsgSockClient("ap", "cpc");
+    ALOGI("session->setupCpcSockClient:%d", status);
+
+    auto remoteBinder = session->getRootObject();
+    // interface_cast restore ITest interface
+    sp<ITestStuff> service = interface_cast<ITestStuff>(remoteBinder);
+    if (service) {
+        ALOGI("service:%p", service);
+        // callback server service interface
+        service->write(123);
+        service->read(456);
+    } else {
+        ALOGI("remoteBinder get is null error\n");
+    }
+    return 0;
+}
diff --git a/examples/aidl_demo/TestServer.cpp b/examples/aidl_demo/TestServer.cpp
@@ -0,0 +1,56 @@
+#define LOG_TAG "TestService"
+
+#include <binder/IPCThreadState.h>
+#include <binder/ProcessState.h>
+#include <binder/IServiceManager.h>
+
+#include "ITestStuff.h"
+#include "BnTestStuff.h"
+#include "BpTestStuff.h"
+
+#include <utils/Log.h>
+#include <utils/String8.h>
+
+using namespace android;
+using android::binder::Status;
+
+namespace android {
+class ITestServer : public BnTestStuff {
+public:
+    // ITestServer::read()
+    Status read(int32_t sample) {
+        ALOGD("ITest::read() called %d, start do hard work", sample);
+        return Status::ok();
+    }
+
+    // ITestServer::write()
+    Status write(int32_t index) {
+        ALOGD("ITest::write() called %d, start do hard work", index);
+        return Status::ok();
+    }
+};
+} // namespace android
+
+extern "C" int main(int argc, char **argv)
+{
+    ALOGI("sample service start count: %d, argv[0]: %s", argc, argv[0]);
+
+    // create ProcessState
+    sp<ProcessState> proc(ProcessState::self());
+
+    // obtain service manager
+    sp<IServiceManager> sm(defaultServiceManager());
+    ALOGI("defaultServiceManager(): %p", sm.get());
+    sp<ITestServer> testServer = new ITestServer;
+
+    // add service
+    sm->addService(String16("aidldemo.service"), testServer);
+    ALOGI("add aidldemo.service to service manager");
+
+    // start worker thread
+    ProcessState::self()->startThreadPool();
+
+    // join the main thread
+    IPCThreadState::self()->joinThreadPool();
+    return 0;
+}
diff --git a/examples/aidl_demo/TestServerCpc.cpp b/examples/aidl_demo/TestServerCpc.cpp
@@ -0,0 +1,47 @@
+#define LOG_TAG "TestService"
+
+#include <binder/IPCThreadState.h>
+#include <binder/ProcessState.h>
+
+#include "ITestStuff.h"
+#include "BnTestStuff.h"
+#include "BpTestStuff.h"
+
+#include <utils/Log.h>
+#include <utils/String8.h>
+#include <binder/RpcServer.h>
+#include <binder/RpcSession.h>
+#include <binder/RpcCertificateFormat.h>
+#include <binder/RpcTransportRaw.h>
+
+using namespace android;
+using android::binder::Status;
+
+namespace android {
+class ITestServer : public BnTestStuff {
+public:
+    Status read(int32_t sample) {
+        ALOGI("ITest::read() called %d, server start do hard work", sample);
+        return Status::ok();
+    }
+    Status write(int32_t index) {
+        ALOGI("ITest::write() called %d, server start do hard work", index);
+        return Status::ok();
+    }
+};
+}
+
+extern "C" int main(int argc, char **argv)
+{
+    ALOGI("sample service start count: %d, argv[0]: %s", argc, argv[0]);
+    sp<ITestServer> testServer = new ITestServer;
+    sp<RpcServer> server = RpcServer::make();
+
+    server->setRootObject(testServer);
+    auto status = server->setupRpmsgSockServer("cpc");
+    ALOGI("setupCpcSockServer %u\n", status);
+
+    server->join();
+
+    return 0;
+}
