radio service binder interfaces
Added definiiton and implemention of binder
interfaces fro native broadcastradio service.
Change-Id: Id5a93bc3146229dffc74b56c29ba48e02b9a5518
diff --git a/radio/IRadioService.cpp b/radio/IRadioService.cpp
new file mode 100644
index 0000000..8c2b3ef
--- /dev/null
+++ b/radio/IRadioService.cpp
@@ -0,0 +1,181 @@
+/*
+**
+** Copyright 2015, 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.
+*/
+
+#define LOG_TAG "BpRadioService"
+//
+#define LOG_NDEBUG 0
+
+#include <utils/Log.h>
+#include <utils/Errors.h>
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <binder/IMemory.h>
+#include <binder/Parcel.h>
+#include <binder/IPCThreadState.h>
+#include <binder/IServiceManager.h>
+
+#include <radio/IRadioService.h>
+#include <radio/IRadio.h>
+#include <radio/IRadioClient.h>
+
+namespace android {
+
+enum {
+ LIST_MODULES = IBinder::FIRST_CALL_TRANSACTION,
+ ATTACH,
+};
+
+#define MAX_ITEMS_PER_LIST 1024
+
+class BpRadioService: public BpInterface<IRadioService>
+{
+public:
+ BpRadioService(const sp<IBinder>& impl)
+ : BpInterface<IRadioService>(impl)
+ {
+ }
+
+ virtual status_t listModules(struct radio_properties *properties,
+ uint32_t *numModules)
+ {
+ if (numModules == NULL || (*numModules != 0 && properties == NULL)) {
+ return BAD_VALUE;
+ }
+ Parcel data, reply;
+ data.writeInterfaceToken(IRadioService::getInterfaceDescriptor());
+ unsigned int numModulesReq = (properties == NULL) ? 0 : *numModules;
+ data.writeInt32(numModulesReq);
+ status_t status = remote()->transact(LIST_MODULES, data, &reply);
+ if (status == NO_ERROR) {
+ status = (status_t)reply.readInt32();
+ *numModules = (unsigned int)reply.readInt32();
+ }
+ ALOGV("listModules() status %d got *numModules %d", status, *numModules);
+ if (status == NO_ERROR) {
+ if (numModulesReq > *numModules) {
+ numModulesReq = *numModules;
+ }
+ if (numModulesReq > 0) {
+ reply.read(properties, numModulesReq * sizeof(struct radio_properties));
+ }
+ }
+ return status;
+ }
+
+ virtual status_t attach(radio_handle_t handle,
+ const sp<IRadioClient>& client,
+ const struct radio_band_config *config,
+ bool withAudio,
+ sp<IRadio>& radio)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IRadioService::getInterfaceDescriptor());
+ data.writeInt32(handle);
+ data.writeStrongBinder(IInterface::asBinder(client));
+ ALOGV("attach() config %p withAudio %d region %d type %d", config, withAudio, config->region, config->band.type);
+ if (config == NULL) {
+ data.writeInt32(0);
+ } else {
+ data.writeInt32(1);
+ data.write(config, sizeof(struct radio_band_config));
+ }
+ data.writeInt32(withAudio ? 1 : 0);
+ status_t status = remote()->transact(ATTACH, data, &reply);
+ if (status != NO_ERROR) {
+ return status;
+ }
+ status = reply.readInt32();
+ if (reply.readInt32() != 0) {
+ radio = interface_cast<IRadio>(reply.readStrongBinder());
+ }
+ return status;
+ }
+};
+
+IMPLEMENT_META_INTERFACE(RadioService, "android.hardware.IRadioService");
+
+// ----------------------------------------------------------------------
+
+status_t BnRadioService::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+ switch(code) {
+ case LIST_MODULES: {
+ CHECK_INTERFACE(IRadioService, data, reply);
+ unsigned int numModulesReq = data.readInt32();
+ if (numModulesReq > MAX_ITEMS_PER_LIST) {
+ numModulesReq = MAX_ITEMS_PER_LIST;
+ }
+ unsigned int numModules = numModulesReq;
+ struct radio_properties *properties =
+ (struct radio_properties *)calloc(numModulesReq,
+ sizeof(struct radio_properties));
+ if (properties == NULL) {
+ reply->writeInt32(NO_MEMORY);
+ reply->writeInt32(0);
+ return NO_ERROR;
+ }
+
+ status_t status = listModules(properties, &numModules);
+ reply->writeInt32(status);
+ reply->writeInt32(numModules);
+ ALOGV("LIST_MODULES status %d got numModules %d", status, numModules);
+
+ if (status == NO_ERROR) {
+ if (numModulesReq > numModules) {
+ numModulesReq = numModules;
+ }
+ reply->write(properties,
+ numModulesReq * sizeof(struct radio_properties));
+ }
+ free(properties);
+ return NO_ERROR;
+ } break;
+
+ case ATTACH: {
+ CHECK_INTERFACE(IRadioService, data, reply);
+ radio_handle_t handle = data.readInt32();
+ sp<IRadioClient> client =
+ interface_cast<IRadioClient>(data.readStrongBinder());
+ struct radio_band_config config;
+ struct radio_band_config *configPtr = NULL;
+ if (data.readInt32() != 0) {
+ data.read(&config, sizeof(struct radio_band_config));
+ configPtr = &config;
+ }
+ bool withAudio = data.readInt32() != 0;
+ ALOGV("ATTACH configPtr %p withAudio %d", configPtr, withAudio);
+ sp<IRadio> radio;
+ status_t status = attach(handle, client, configPtr, withAudio, radio);
+ reply->writeInt32(status);
+ if (radio != 0) {
+ reply->writeInt32(1);
+ reply->writeStrongBinder(IInterface::asBinder(radio));
+ } else {
+ reply->writeInt32(0);
+ }
+ return NO_ERROR;
+ } break;
+ default:
+ return BBinder::onTransact(code, data, reply, flags);
+ }
+}
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android