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Add native common time config service.
authorJohn Grossman <johngro@google.com>
Wed, 18 Jan 2012 23:00:33 +0000 (15:00 -0800)
committerJohn Grossman <johngro@google.com>
Sat, 4 Feb 2012 01:46:00 +0000 (17:46 -0800)
Define a native service interface for configuring and controlling the
common time service.  Implement the native marshallers and stub the
implementation of the new interface.

Change-Id: Ia6a6a20ef3d221e8829c55be1dd5f98ed996c610

include/common_time/ICommonTimeConfig.h [new file with mode: 0644]
media/common_time/Android.mk
media/common_time/ICommonTimeConfig.cpp [new file with mode: 0644]

diff --git a/include/common_time/ICommonTimeConfig.h b/include/common_time/ICommonTimeConfig.h
new file mode 100644 (file)
index 0000000..497b666
--- /dev/null
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2012 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.
+ */
+
+#ifndef ANDROID_ICOMMONTIMECONFIG_H
+#define ANDROID_ICOMMONTIMECONFIG_H
+
+#include <stdint.h>
+#include <linux/socket.h>
+
+#include <binder/IInterface.h>
+#include <binder/IServiceManager.h>
+
+namespace android {
+
+class String16;
+
+class ICommonTimeConfig : public IInterface {
+  public:
+    DECLARE_META_INTERFACE(CommonTimeConfig);
+
+    // Name of the ICommonTimeConfig service registered with the service
+    // manager.
+    static const String16 kServiceName;
+
+    virtual status_t getMasterElectionPriority(uint8_t *priority) = 0;
+    virtual status_t setMasterElectionPriority(uint8_t priority) = 0;
+    virtual status_t getMasterElectionEndpoint(struct sockaddr_storage *addr) = 0;
+    virtual status_t setMasterElectionEndpoint(const struct sockaddr_storage *addr) = 0;
+    virtual status_t getMasterElectionGroupId(uint64_t *id) = 0;
+    virtual status_t setMasterElectionGroupId(uint64_t id) = 0;
+    virtual status_t getInterfaceBinding(String16& ifaceName) = 0;
+    virtual status_t setInterfaceBinding(const String16& ifaceName) = 0;
+    virtual status_t getMasterAnnounceInterval(int *interval) = 0;
+    virtual status_t setMasterAnnounceInterval(int interval) = 0;
+    virtual status_t getClientSyncInterval(int *interval) = 0;
+    virtual status_t setClientSyncInterval(int interval) = 0;
+    virtual status_t getPanicThreshold(int *threshold) = 0;
+    virtual status_t setPanicThreshold(int threshold) = 0;
+    virtual status_t getAutoDisable(bool *autoDisable) = 0;
+    virtual status_t setAutoDisable(bool autoDisable) = 0;
+    virtual status_t forceNetworklessMasterMode() = 0;
+
+    // Simple helper to make it easier to connect to the CommonTimeConfig service.
+    static inline sp<ICommonTimeConfig> getInstance() {
+        sp<IBinder> binder = defaultServiceManager()->checkService(
+                ICommonTimeConfig::kServiceName);
+        sp<ICommonTimeConfig> clk = interface_cast<ICommonTimeConfig>(binder);
+        return clk;
+    }
+};
+
+class BnCommonTimeConfig : public BnInterface<ICommonTimeConfig> {
+  public:
+    virtual status_t onTransact(uint32_t code, const Parcel& data,
+                                Parcel* reply, uint32_t flags = 0);
+};
+
+};  // namespace android
+
+#endif  // ANDROID_ICOMMONTIMECONFIG_H
index 6aa3597..526f17b 100644 (file)
@@ -12,6 +12,7 @@ LOCAL_MODULE_TAGS := optional
 LOCAL_SRC_FILES := cc_helper.cpp \
                    local_clock.cpp \
                    ICommonClock.cpp \
+                   ICommonTimeConfig.cpp \
                    utils.cpp
 LOCAL_SHARED_LIBRARIES := libbinder \
                           libhardware \
diff --git a/media/common_time/ICommonTimeConfig.cpp b/media/common_time/ICommonTimeConfig.cpp
new file mode 100644 (file)
index 0000000..8eb37cb
--- /dev/null
@@ -0,0 +1,508 @@
+/*
+ * Copyright (C) 2011 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.
+ */
+#include <linux/socket.h>
+
+#include <common_time/ICommonTimeConfig.h>
+#include <binder/Parcel.h>
+
+#include "utils.h"
+
+namespace android {
+
+/***** ICommonTimeConfig *****/
+
+enum {
+    GET_MASTER_ELECTION_PRIORITY = IBinder::FIRST_CALL_TRANSACTION,
+    SET_MASTER_ELECTION_PRIORITY,
+    GET_MASTER_ELECTION_ENDPOINT,
+    SET_MASTER_ELECTION_ENDPOINT,
+    GET_MASTER_ELECTION_GROUP_ID,
+    SET_MASTER_ELECTION_GROUP_ID,
+    GET_INTERFACE_BINDING,
+    SET_INTERFACE_BINDING,
+    GET_MASTER_ANNOUNCE_INTERVAL,
+    SET_MASTER_ANNOUNCE_INTERVAL,
+    GET_CLIENT_SYNC_INTERVAL,
+    SET_CLIENT_SYNC_INTERVAL,
+    GET_PANIC_THRESHOLD,
+    SET_PANIC_THRESHOLD,
+    GET_AUTO_DISABLE,
+    SET_AUTO_DISABLE,
+    FORCE_NETWORKLESS_MASTER_MODE,
+};
+
+const String16 ICommonTimeConfig::kServiceName("common_time.config");
+
+class BpCommonTimeConfig : public BpInterface<ICommonTimeConfig>
+{
+  public:
+    BpCommonTimeConfig(const sp<IBinder>& impl)
+        : BpInterface<ICommonTimeConfig>(impl) {}
+
+    virtual status_t getMasterElectionPriority(uint8_t *priority) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        status_t status = remote()->transact(GET_MASTER_ELECTION_PRIORITY,
+                                             data,
+                                             &reply);
+        if (status == OK) {
+            status = reply.readInt32();
+            if (status == OK) {
+                *priority = static_cast<uint8_t>(reply.readInt32());
+            }
+        }
+
+        return status;
+    }
+
+    virtual status_t setMasterElectionPriority(uint8_t priority) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        data.writeInt32(static_cast<int32_t>(priority));
+        status_t status = remote()->transact(SET_MASTER_ELECTION_PRIORITY,
+                                             data,
+                                             &reply);
+        if (status == OK) {
+            status = reply.readInt32();
+        }
+
+        return status;
+    }
+
+    virtual status_t getMasterElectionEndpoint(struct sockaddr_storage *addr) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        status_t status = remote()->transact(GET_MASTER_ELECTION_ENDPOINT,
+                                             data,
+                                             &reply);
+        if (status == OK) {
+            status = reply.readInt32();
+            if (status == OK) {
+                deserializeSockaddr(&reply, addr);
+            }
+        }
+
+        return status;
+    }
+
+    virtual status_t setMasterElectionEndpoint(
+            const struct sockaddr_storage *addr) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        if (!canSerializeSockaddr(addr))
+            return BAD_VALUE;
+        if (NULL == addr) {
+            data.writeInt32(0);
+        } else {
+            data.writeInt32(1);
+            serializeSockaddr(&data, addr);
+        }
+        status_t status = remote()->transact(SET_MASTER_ELECTION_ENDPOINT,
+                                             data,
+                                             &reply);
+        if (status == OK) {
+            status = reply.readInt32();
+        }
+
+        return status;
+    }
+
+    virtual status_t getMasterElectionGroupId(uint64_t *id) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        status_t status = remote()->transact(GET_MASTER_ELECTION_GROUP_ID,
+                                             data,
+                                             &reply);
+
+        if (status == OK) {
+            status = reply.readInt32();
+            if (status == OK) {
+                *id = static_cast<uint64_t>(reply.readInt64());
+            }
+        }
+
+        return status;
+    }
+
+    virtual status_t setMasterElectionGroupId(uint64_t id) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        data.writeInt64(id);
+        status_t status = remote()->transact(SET_MASTER_ELECTION_GROUP_ID,
+                                             data,
+                                             &reply);
+
+        if (status == OK) {
+            status = reply.readInt32();
+        }
+
+        return status;
+    }
+
+    virtual status_t getInterfaceBinding(String16& ifaceName) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        status_t status = remote()->transact(GET_INTERFACE_BINDING,
+                                             data,
+                                             &reply);
+        if (status == OK) {
+            status = reply.readInt32();
+            if (status == OK) {
+                ifaceName = reply.readString16();
+            }
+        }
+
+        return status;
+    }
+
+    virtual status_t setInterfaceBinding(const String16& ifaceName) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        data.writeString16(ifaceName);
+        status_t status = remote()->transact(SET_INTERFACE_BINDING,
+                                             data,
+                                             &reply);
+        if (status == OK) {
+            status = reply.readInt32();
+        }
+
+        return status;
+    }
+
+    virtual status_t getMasterAnnounceInterval(int *interval) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        status_t status = remote()->transact(GET_MASTER_ANNOUNCE_INTERVAL,
+                                             data,
+                                             &reply);
+        if (status == OK) {
+            status = reply.readInt32();
+            if (status == OK) {
+                *interval = reply.readInt32();
+            }
+        }
+
+        return status;
+    }
+
+    virtual status_t setMasterAnnounceInterval(int interval) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        data.writeInt32(interval);
+        status_t status = remote()->transact(SET_MASTER_ANNOUNCE_INTERVAL,
+                                             data,
+                                             &reply);
+        if (status == OK) {
+            status = reply.readInt32();
+        }
+
+        return status;
+    }
+
+    virtual status_t getClientSyncInterval(int *interval) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        status_t status = remote()->transact(GET_CLIENT_SYNC_INTERVAL,
+                                             data,
+                                             &reply);
+        if (status == OK) {
+            status = reply.readInt32();
+            if (status == OK) {
+                *interval = reply.readInt32();
+            }
+        }
+
+        return status;
+    }
+
+    virtual status_t setClientSyncInterval(int interval) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        data.writeInt32(interval);
+        status_t status = remote()->transact(SET_CLIENT_SYNC_INTERVAL,
+                                             data,
+                                             &reply);
+        if (status == OK) {
+            status = reply.readInt32();
+        }
+
+        return status;
+    }
+
+    virtual status_t getPanicThreshold(int *threshold) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        status_t status = remote()->transact(GET_PANIC_THRESHOLD,
+                                             data,
+                                             &reply);
+        if (status == OK) {
+            status = reply.readInt32();
+            if (status == OK) {
+                *threshold = reply.readInt32();
+            }
+        }
+
+        return status;
+    }
+
+    virtual status_t setPanicThreshold(int threshold) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        data.writeInt32(threshold);
+        status_t status = remote()->transact(SET_PANIC_THRESHOLD,
+                                             data,
+                                             &reply);
+        if (status == OK) {
+            status = reply.readInt32();
+        }
+
+        return status;
+    }
+
+    virtual status_t getAutoDisable(bool *autoDisable) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        status_t status = remote()->transact(GET_AUTO_DISABLE,
+                                             data,
+                                             &reply);
+        if (status == OK) {
+            status = reply.readInt32();
+            if (status == OK) {
+                *autoDisable = (0 != reply.readInt32());
+            }
+        }
+
+        return status;
+    }
+
+    virtual status_t setAutoDisable(bool autoDisable) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        data.writeInt32(autoDisable ? 1 : 0);
+        status_t status = remote()->transact(SET_AUTO_DISABLE,
+                                             data,
+                                             &reply);
+
+        if (status == OK) {
+            status = reply.readInt32();
+        }
+
+        return status;
+    }
+
+    virtual status_t forceNetworklessMasterMode() {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICommonTimeConfig::getInterfaceDescriptor());
+        status_t status = remote()->transact(FORCE_NETWORKLESS_MASTER_MODE,
+                                             data,
+                                             &reply);
+
+        if (status == OK) {
+            status = reply.readInt32();
+        }
+
+        return status;
+    }
+};
+
+IMPLEMENT_META_INTERFACE(CommonTimeConfig, "android.os.ICommonTimeConfig");
+
+status_t BnCommonTimeConfig::onTransact(uint32_t code,
+                                   const Parcel& data,
+                                   Parcel* reply,
+                                   uint32_t flags) {
+    switch(code) {
+        case GET_MASTER_ELECTION_PRIORITY: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            uint8_t priority;
+            status_t status = getMasterElectionPriority(&priority);
+            reply->writeInt32(status);
+            if (status == OK) {
+                reply->writeInt32(static_cast<int32_t>(priority));
+            }
+            return OK;
+        } break;
+
+        case SET_MASTER_ELECTION_PRIORITY: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            uint8_t priority = static_cast<uint8_t>(data.readInt32());
+            status_t status = setMasterElectionPriority(priority);
+            reply->writeInt32(status);
+            return OK;
+        } break;
+
+        case GET_MASTER_ELECTION_ENDPOINT: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            struct sockaddr_storage addr;
+            status_t status = getMasterElectionEndpoint(&addr);
+
+            if ((status == OK) && !canSerializeSockaddr(&addr)) {
+                status = UNKNOWN_ERROR;
+            }
+
+            reply->writeInt32(status);
+
+            if (status == OK) {
+                serializeSockaddr(reply, &addr);
+            }
+
+            return OK;
+        } break;
+
+        case SET_MASTER_ELECTION_ENDPOINT: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            struct sockaddr_storage addr;
+            int hasAddr = data.readInt32();
+
+            status_t status;
+            if (hasAddr) {
+                deserializeSockaddr(&data, &addr);
+                status = setMasterElectionEndpoint(&addr);
+            } else {
+                status = setMasterElectionEndpoint(&addr);
+            }
+
+            reply->writeInt32(status);
+            return OK;
+        } break;
+
+        case GET_MASTER_ELECTION_GROUP_ID: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            uint64_t id;
+            status_t status = getMasterElectionGroupId(&id);
+            reply->writeInt32(status);
+            if (status == OK) {
+                reply->writeInt64(id);
+            }
+            return OK;
+        } break;
+
+        case SET_MASTER_ELECTION_GROUP_ID: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            uint64_t id = static_cast<uint64_t>(data.readInt64());
+            status_t status = setMasterElectionGroupId(id);
+            reply->writeInt32(status);
+            return OK;
+        } break;
+
+        case GET_INTERFACE_BINDING: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            String16 ret;
+            status_t status = getInterfaceBinding(ret);
+            reply->writeInt32(status);
+            if (status == OK) {
+                reply->writeString16(ret);
+            }
+            return OK;
+        } break;
+
+        case SET_INTERFACE_BINDING: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            String16 ifaceName;
+            ifaceName = data.readString16();
+            status_t status = setInterfaceBinding(ifaceName);
+            reply->writeInt32(status);
+            return OK;
+        } break;
+
+        case GET_MASTER_ANNOUNCE_INTERVAL: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            int interval;
+            status_t status = getMasterAnnounceInterval(&interval);
+            reply->writeInt32(status);
+            if (status == OK) {
+                reply->writeInt32(interval);
+            }
+            return OK;
+        } break;
+
+        case SET_MASTER_ANNOUNCE_INTERVAL: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            int interval = data.readInt32();
+            status_t status = setMasterAnnounceInterval(interval);
+            reply->writeInt32(status);
+            return OK;
+        } break;
+
+        case GET_CLIENT_SYNC_INTERVAL: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            int interval;
+            status_t status = getClientSyncInterval(&interval);
+            reply->writeInt32(status);
+            if (status == OK) {
+                reply->writeInt32(interval);
+            }
+            return OK;
+        } break;
+
+        case SET_CLIENT_SYNC_INTERVAL: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            int interval = data.readInt32();
+            status_t status = setClientSyncInterval(interval);
+            reply->writeInt32(status);
+            return OK;
+        } break;
+
+        case GET_PANIC_THRESHOLD: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            int threshold;
+            status_t status = getPanicThreshold(&threshold);
+            reply->writeInt32(status);
+            if (status == OK) {
+                reply->writeInt32(threshold);
+            }
+            return OK;
+        } break;
+
+        case SET_PANIC_THRESHOLD: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            int threshold = data.readInt32();
+            status_t status = setPanicThreshold(threshold);
+            reply->writeInt32(status);
+            return OK;
+        } break;
+
+        case GET_AUTO_DISABLE: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            bool autoDisable;
+            status_t status = getAutoDisable(&autoDisable);
+            reply->writeInt32(status);
+            if (status == OK) {
+                reply->writeInt32(autoDisable ? 1 : 0);
+            }
+            return OK;
+        } break;
+
+        case SET_AUTO_DISABLE: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            bool autoDisable = (0 != data.readInt32());
+            status_t status = setAutoDisable(autoDisable);
+            reply->writeInt32(status);
+            return OK;
+        } break;
+
+        case FORCE_NETWORKLESS_MASTER_MODE: {
+            CHECK_INTERFACE(ICommonTimeConfig, data, reply);
+            status_t status = forceNetworklessMasterMode();
+            reply->writeInt32(status);
+            return OK;
+        } break;
+    }
+    return BBinder::onTransact(code, data, reply, flags);
+}
+
+}; // namespace android
+