mirror of
https://gitee.com/openharmony/interface_sdk_c
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add ipc capi interface
Signed-off-by: hubin <hubin29@huawei.com>
This commit is contained in:
hubin
parent
ce83e4aff6
commit
0c9c5f03e2
40
IPCKit/BUILD.gn
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40
IPCKit/BUILD.gn
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# Copyright (C) 2024 Huawei Device Co., Ltd.
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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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import("//build/ohos.gni")
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import("//build/ohos/ndk/ndk.gni")
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ohos_ndk_headers("ipc_capi_header") {
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dest_dir = "$ndk_headers_out_dir/IPCKit"
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sources = [
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"./ipc_cparcel.h",
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"./ipc_cremote_object.h",
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"./ipc_cskeleton.h",
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"./ipc_error_code.h",
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"./ipc_kit.h",
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]
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}
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ohos_ndk_library("libipc_capi") {
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output_name = "ipc_capi"
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output_extension = "so"
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ndk_description_file = "./libipc_capi.json"
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system_capability = "SystemCapability.Communication.IPC.Core"
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system_capability_headers = [
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"IPCKit/ipc_cparcel.h",
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"IPCKit/ipc_cremote_object.h",
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"IPCKit/ipc_cskeleton.h",
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"IPCKit/ipc_error_code.h",
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"IPCKit/ipc_kit.h",
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]
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}
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531
IPCKit/ipc_cparcel.h
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531
IPCKit/ipc_cparcel.h
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@ -0,0 +1,531 @@
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/*
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* Copyright (c) 2024 Huawei Device Co., Ltd.
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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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#ifndef CAPI_INCLUDE_IPC_CPARCEL_H
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#define CAPI_INCLUDE_IPC_CPARCEL_H
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/**
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* @addtogroup OHIPCParcel
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* @{
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*
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* @brief Defines C interfaces for IPC serialization and deserialization.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @since 12
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*/
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/**
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* @file ipc_cparcel.h
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*
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* @brief Defines C interfaces for IPC serialization and deserialization.
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*
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* @library libipc_capi.so
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* @syscap SystemCapability.Communication.IPC.Core
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* @since 12
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*/
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Defines an IPC serialized object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @since 12
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*/
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struct OHIPCParcel;
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/**
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* @brief Typedef an IPC serialized object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @since 12
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*/
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typedef struct OHIPCParcel OHIPCParcel;
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/**
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* @brief Defines an IPC remote proxy object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @since 12
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*/
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struct OHIPCRemoteProxy;
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/**
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* @brief Typedef an IPC remote proxy object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @since 12
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*/
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typedef struct OHIPCRemoteProxy OHIPCRemoteProxy;
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/**
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* @brief Defines an IPC remote service object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @since 12
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*/
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struct OHIPCRemoteStub;
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/**
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* @brief Typedef an IPC remote service object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @since 12
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*/
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typedef struct OHIPCRemoteStub OHIPCRemoteStub;
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/**
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* @brief Allocates memory.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param len Length of the memory to allocate.
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* @return Returns the address of the memory allocated if the operation is successful; returns NULL otherwise.
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* @since 12
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*/
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typedef void* (*OH_IPC_MemAllocator)(int32_t len);
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/**
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* @brief Creates an <b>OHIPCParcel</b> object, which cannot exceed 204,800 bytes.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @return Returns the pointer to the <b>OHIPCParcel</b> object created if the operation is successful;
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* returns NULL otherwise.
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* @since 12
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*/
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OHIPCParcel* OH_IPCParcel_Create(void);
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/**
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* @brief Destroys an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the <b>OHIPCParcel</b> object to destroy.
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* @since 12
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*/
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void OH_IPCParcel_Destroy(OHIPCParcel *parcel);
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/**
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* @brief Obtains the size of the data contained in an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @return Returns the data size obtained if the operation is successful.\n
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* Returns <b>-1</b> if invalid parameters are found.
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* @since 12
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*/
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int OH_IPCParcel_GetDataSize(const OHIPCParcel *parcel);
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/**
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* @brief Obtains the number of bytes that can be written to an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @return Returns the number of bytes that can be written to the <b>OHIPCParcel</b> object. \n
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* Returns <b>-1</b> if invalid parameters are found.
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* @since 12
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*/
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int OH_IPCParcel_GetWritableBytes(const OHIPCParcel *parcel);
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/**
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* @brief Obtains the number of bytes that can be read from an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @return Returns the number of bytes that can be read from the <b>OHIPCParcel</b> object. \n
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* Returns <b>-1</b> if invalid parameters are found.
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* @since 12
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*/
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int OH_IPCParcel_GetReadableBytes(const OHIPCParcel *parcel);
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/**
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* @brief Obtains the position where data is read in an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @return Returns the position obtained if the operation is successful. \n
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* Returns <b>-1</b> if invalid parameters are found.
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* @since 12
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*/
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int OH_IPCParcel_GetReadPosition(const OHIPCParcel *parcel);
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/**
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* @brief Obtains the position where data is written in an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @return Returns the position obtained if the operation is successful. \n
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* Returns <b>-1</b> if invalid parameters are found.
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* @since 12
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*/
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int OH_IPCParcel_GetWritePosition(const OHIPCParcel *parcel);
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/**
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* @brief Resets the position to read data in an IPC parcel.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @param newReadPos New position to read data. The value ranges from <b>0</b> to the current data size.
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* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found.
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* @since 12
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*/
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int OH_IPCParcel_RewindReadPosition(OHIPCParcel *parcel, uint32_t newReadPos);
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/**
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* @brief Resets the position to write data in an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @param newWritePos New position to write data. The value ranges from <b>0</b> to the current data size.
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* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found.
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* @since 12
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*/
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int OH_IPCParcel_RewindWritePosition(OHIPCParcel *parcel, uint32_t newWritePos);
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/**
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* @brief Writes an int8_t value to an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @param value Value to write.
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* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_WRITE_ERROR} if the data write operation fails.
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* @since 12
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*/
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int OH_IPCParcel_WriteInt8(OHIPCParcel *parcel, int8_t value);
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/**
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* @brief Reads an int8_t value from an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @param value Pointer to the data to read. It cannot be NULL.
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* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_READ_ERROR} if the read operation fails.
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* @since 12
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*/
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int OH_IPCParcel_ReadInt8(const OHIPCParcel *parcel, int8_t *value);
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/**
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* @brief Writes an int16_t value to an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @param value Value to write.
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* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_WRITE_ERROR} if the data write operation fails.
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* @since 12
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*/
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int OH_IPCParcel_WriteInt16(OHIPCParcel *parcel, int16_t value);
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/**
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* @brief Reads an int16_t value from an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @param value Pointer to the data to read. It cannot be NULL.
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* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_READ_ERROR} if the read operation fails.
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* @since 12
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*/
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int OH_IPCParcel_ReadInt16(const OHIPCParcel *parcel, int16_t *value);
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/**
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* @brief Writes an int32_t value to an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @param value Value to write.
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* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_WRITE_ERROR} if the data write operation fails.
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* @since 12
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*/
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int OH_IPCParcel_WriteInt32(OHIPCParcel *parcel, int32_t value);
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/**
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* @brief Reads an int32_t value from an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @param value Pointer to the data to read. It cannot be NULL.
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* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_READ_ERROR} if the read operation fails.
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* @since 12
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*/
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int OH_IPCParcel_ReadInt32(const OHIPCParcel *parcel, int32_t *value);
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/**
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* @brief Writes an int64_t value to an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @param value Value to write.
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* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_WRITE_ERROR} if the data write operation fails.
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* @since 12
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*/
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int OH_IPCParcel_WriteInt64(OHIPCParcel *parcel, int64_t value);
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/**
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* @brief Reads an int64_t value from an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @param value Pointer to the data to read. It cannot be NULL.
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* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_READ_ERROR} if the read operation fails.
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* @since 12
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*/
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int OH_IPCParcel_ReadInt64(const OHIPCParcel *parcel, int64_t *value);
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/**
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* @brief Writes a float value to an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @param value Value to write.
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* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_WRITE_ERROR} if the data write operation fails.
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* @since 12
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*/
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int OH_IPCParcel_WriteFloat(OHIPCParcel *parcel, float value);
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/**
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* @brief Reads a float value from an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @param value Pointer to the data to read. It cannot be NULL.
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* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_READ_ERROR} if the read operation fails.
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* @since 12
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*/
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int OH_IPCParcel_ReadFloat(const OHIPCParcel *parcel, float *value);
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/**
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* @brief Writes a double value to an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
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* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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* @param value Value to write.
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* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
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* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_WRITE_ERROR} if the data write operation fails.
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* @since 12
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*/
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int OH_IPCParcel_WriteDouble(OHIPCParcel *parcel, double value);
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/**
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* @brief Reads a double value from an <b>OHIPCParcel</b> object.
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*
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* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
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||||
* @param value Pointer to the data to read. It cannot be NULL.
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||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_READ_ERROR} if the read operation fails.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCParcel_ReadDouble(const OHIPCParcel *parcel, double *value);
|
||||
|
||||
/**
|
||||
* @brief Writes a string including a string terminator to an <b>OHIPCParcel</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
|
||||
* @param str String to write, which cannot be NULL.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_WRITE_ERROR} if the data write operation fails.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCParcel_WriteString(OHIPCParcel *parcel, const char *str);
|
||||
|
||||
/**
|
||||
* @brief Reads a string from an <b>OHIPCParcel</b> object. You can obtain the length of the string from <b>strlen</b>.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
|
||||
* @return Returns the address of the string read if the operation is successful;
|
||||
* returns NULL if the operation fails or invalid parameters are found.
|
||||
* @since 12
|
||||
*/
|
||||
const char* OH_IPCParcel_ReadString(const OHIPCParcel *parcel);
|
||||
|
||||
/**
|
||||
* @brief Writes data of the specified length from the memory to an <b>OHIPCParcel</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
|
||||
* @param buffer Pointer to the address of the memory information to write.
|
||||
* @param len Length of the data to write.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_WRITE_ERROR} if the data write operation fails.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCParcel_WriteBuffer(OHIPCParcel *parcel, const uint8_t *buffer, int32_t len);
|
||||
|
||||
/**
|
||||
* @brief Reads memory information of the specified length from an <b>OHIPCParcel</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
|
||||
* @param len Length of the memory to be read.
|
||||
* @return Returns the memory address read if the operation is successful;
|
||||
* returns NULL if invalid parameters are found or <b>len</b> exceeds the readable length of <b>parcel</b>.
|
||||
* @since 12
|
||||
*/
|
||||
const uint8_t* OH_IPCParcel_ReadBuffer(const OHIPCParcel *parcel, int32_t len);
|
||||
|
||||
/**
|
||||
* @brief Writes an <b>OHIPCRemoteStub</b> object to an <b>OHIPCParcel</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
|
||||
* @param stub Pointer to the <b>OHIPCRemoteStub</b> object to write. It cannot be NULL.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_WRITE_ERROR} if the data write operation fails.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCParcel_WriteRemoteStub(OHIPCParcel *parcel, const OHIPCRemoteStub *stub);
|
||||
|
||||
/**
|
||||
* @brief Reads the <b>OHIPCRemoteStub</b> object from an <b>OHIPCParcel</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
|
||||
* @return Returns the pointer to the <b>OHIPCRemoteStub</b> object read if the operation is successful;
|
||||
* returns NULL otherwise.
|
||||
* @since 12
|
||||
*/
|
||||
OHIPCRemoteStub* OH_IPCParcel_ReadRemoteStub(const OHIPCParcel *parcel);
|
||||
|
||||
/**
|
||||
* @brief Writes an <b>OHIPCRemoteProxy</b> object to an <b>OHIPCParcel</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
|
||||
* @param proxy Pointer to the <b>OHIPCRemoteProxy</b> object to write. It cannot be NULL.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_WRITE_ERROR} if the data write operation fails.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCParcel_WriteRemoteProxy(OHIPCParcel *parcel, const OHIPCRemoteProxy *proxy);
|
||||
|
||||
/**
|
||||
* @brief Reads the <b>OHIPCRemoteProxy</b> object from an <b>OHIPCParcel</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
|
||||
* @return Returns the pointer to the <b>OHIPCRemoteProxy</b> object read if the operation is successful;
|
||||
* returns NULL otherwise.
|
||||
* @since 12
|
||||
*/
|
||||
OHIPCRemoteProxy* OH_IPCParcel_ReadRemoteProxy(const OHIPCParcel *parcel);
|
||||
|
||||
/**
|
||||
* @brief Writes a file descriptor to an <b>OHIPCParcel</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
|
||||
* @param fd File descriptor to write.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_WRITE_ERROR} if the data write operation fails.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCParcel_WriteFileDescriptor(OHIPCParcel *parcel, int32_t fd);
|
||||
|
||||
/**
|
||||
* @brief Reads a file descriptor from an <b>OHIPCParcel</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
|
||||
* @param fd Pointer to the file descriptor to read. It cannot be NULL.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_READ_ERROR} if the read operation fails.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCParcel_ReadFileDescriptor(const OHIPCParcel *parcel, int32_t *fd);
|
||||
|
||||
/**
|
||||
* @brief Appends data to an <b>OHIPCParcel</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
|
||||
* @param data Pointer to the data to append. It cannot be NULL.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_WRITE_ERROR} if the operation fails.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCParcel_Append(OHIPCParcel *parcel, const OHIPCParcel *data);
|
||||
|
||||
/**
|
||||
* @brief Writes an interface token to an <b>OHIPCParcel</b> object for interface identity verification.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
|
||||
* @param token Pointer to the interface token to write. It cannot be NULL.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_WRITE_ERROR} if the data write operation fails.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCParcel_WriteInterfaceToken(OHIPCParcel *parcel, const char *token);
|
||||
|
||||
/**
|
||||
* @brief Reads an interface token from an <b>OHIPCParcel</b> object for interface identity verification.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param parcel Pointer to the target <b>OHIPCParcel</b> object. It cannot be NULL.
|
||||
* @param token Pointer to the address of the memory for storing the interface token.
|
||||
* The memory is allocated by the allocator provided by the user and needs to be released. This pointer cannot be NULL.
|
||||
* If an error code is returned, you still need to check whether the memory is empty and release the memory.
|
||||
* Otherwise, memory leaks may occur.
|
||||
* @param len Pointer to the length of the interface token read, including the terminator. It cannot be NULL.
|
||||
* @param allocator Memory allocator specified by the user for allocating memory for <b>token</b>. It cannot be NULL.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_READ_ERROR} if the read operation fails.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCParcel_ReadInterfaceToken(const OHIPCParcel *parcel, char **token, int32_t *len,
|
||||
OH_IPC_MemAllocator allocator);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
/** @} */
|
||||
#endif
|
||||
286
IPCKit/ipc_cremote_object.h
Normal file
286
IPCKit/ipc_cremote_object.h
Normal file
@ -0,0 +1,286 @@
|
||||
/*
|
||||
* Copyright (c) 2024 Huawei Device Co., Ltd.
|
||||
* 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 CAPI_INCLUDE_IPC_CREMOTE_OBJECT_H
|
||||
#define CAPI_INCLUDE_IPC_CREMOTE_OBJECT_H
|
||||
|
||||
/**
|
||||
* @addtogroup OHIPCRemoteObject
|
||||
* @{
|
||||
*
|
||||
* @brief Provides C interfaces for creating and destroying a remote object, transferring data,
|
||||
* and observing the dead status of a remote object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @since 12
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file ipc_cremote_object.h
|
||||
*
|
||||
* @brief Defines C interfaces for creating and destroying a remote object, transferring data,
|
||||
* and observing the dead status of a remote object.
|
||||
*
|
||||
* @library libipc_capi.so
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @since 12
|
||||
*/
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#include "ipc_cparcel.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief Defines an <b>OHIPCDeathRecipient</b> object, which is used to receive a notification
|
||||
* when the <b>OHIPCRemoteStub</b> object dies unexpectedly.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @since 12
|
||||
*/
|
||||
struct OHIPCDeathRecipient;
|
||||
|
||||
/**
|
||||
* @brief Typedef an <b>OHIPCDeathRecipient</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @since 12
|
||||
*/
|
||||
typedef struct OHIPCDeathRecipient OHIPCDeathRecipient;
|
||||
|
||||
/**
|
||||
* @brief Called to process the remote data request at the stub.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param code Custom command word for communication, in the range [0x01, 0x00ffffff].
|
||||
* @param data Pointer to the request data object. It cannot be NULL or released in the function.
|
||||
* @param reply Pointer to the response data object. It cannot be NULL or released in the function.
|
||||
* If this function returns an error, data cannot be written to this parameter.
|
||||
* @param userData Pointer to the user data. It can be NULL.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns a custom error code in the range [1909001, 1909999] or a system error code otherwise. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_INVALID_USER_ERROR_CODE} if the custom error code is out of the value range.
|
||||
* @since 12
|
||||
*/
|
||||
typedef int (*OH_OnRemoteRequestCallback)(uint32_t code, const OHIPCParcel *data,
|
||||
OHIPCParcel *reply, void *userData);
|
||||
|
||||
/**
|
||||
* @brief Called when an observed object is destroyed.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param userData Pointer to the user data. It can be NULL.
|
||||
* @since 12
|
||||
*/
|
||||
typedef void (*OH_OnRemoteDestroyCallback)(void *userData);
|
||||
|
||||
/**
|
||||
* @brief Creates an <b>OHIPCRemoteStub</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param descriptor Pointer to the descriptor of the <b>OHIPCRemoteStub</b> object to create. It cannot be NULL.
|
||||
* @param requestCallback Callback used to process the data request. It cannot be NULL.
|
||||
* @param destroyCallback Callback to be invoked when the object is destroyed. It can be NULL.
|
||||
* @param userData Pointer to the user data. It can be NULL.
|
||||
* @return Returns the pointer to the <b>OHIPCRemoteStub</b> object created if the operation is successful;
|
||||
* returns NULL otherwise.
|
||||
* @since 12
|
||||
*/
|
||||
OHIPCRemoteStub* OH_IPCRemoteStub_Create(const char *descriptor, OH_OnRemoteRequestCallback requestCallback,
|
||||
OH_OnRemoteDestroyCallback destroyCallback, void *userData);
|
||||
|
||||
/**
|
||||
* @brief Destroys an <b>OHIPCRemoteStub</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param stub Pointer to the <b>OHIPCRemoteStub</b> object to destroy.
|
||||
* @since 12
|
||||
*/
|
||||
void OH_IPCRemoteStub_Destroy(OHIPCRemoteStub *stub);
|
||||
|
||||
/**
|
||||
* @brief Destroys an <b>OHIPCRemoteProxy</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param proxy Pointer to the <b>OHIPCRemoteProxy</b> object to destroy.
|
||||
* @since 12
|
||||
*/
|
||||
void OH_IPCRemoteProxy_Destroy(OHIPCRemoteProxy *proxy);
|
||||
|
||||
/**
|
||||
* @brief Enumerates the IPC request modes.
|
||||
*
|
||||
* @since 12
|
||||
*/
|
||||
typedef enum {
|
||||
/** Synchronous request. */
|
||||
OH_IPC_REQUEST_MODE_SYNC = 0,
|
||||
/** Asynchronous request. */
|
||||
OH_IPC_REQUEST_MODE_ASYNC = 1,
|
||||
} OH_IPC_RequestMode;
|
||||
|
||||
/**
|
||||
* @brief Defines the IPC message options.
|
||||
*
|
||||
* @since 12
|
||||
*/
|
||||
#pragma pack(4)
|
||||
typedef struct {
|
||||
/** Message request mode. */
|
||||
OH_IPC_RequestMode mode;
|
||||
/** Parameter reserved for RPC, which is invalid for IPC. */
|
||||
uint32_t timeout;
|
||||
/** Reserved parameter, which must be NULL. */
|
||||
void* reserved;
|
||||
} OH_IPC_MessageOption;
|
||||
#pragma pack()
|
||||
|
||||
/**
|
||||
* @brief Sends an IPC message.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param proxy Pointer to the <b>OHIPCRemoteProxy</b> object. It cannot be NULL.
|
||||
* @param code Custom IPC command word, in the range [0x01, 0x00ffffff].
|
||||
* @param data Pointer to the request data object. It cannot be NULL.
|
||||
* @param reply Pointer to the response data object. It cannot be NULL in the case of a synchronous request,
|
||||
* and can be NULL in the case of an asynchronous request.
|
||||
* @param option Pointer to the message options. It can be NULL, which indicates a synchronous request.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if invalid parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_DEAD_REMOTE_OBJECT} if the <b>OHIPCRemoteStub</b> object is dead. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CODE_OUT_OF_RANGE} if the error code is out of the value range. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_INNER_ERROR} or a custom error code in other cases.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCRemoteProxy_SendRequest(const OHIPCRemoteProxy *proxy, uint32_t code, const OHIPCParcel *data,
|
||||
OHIPCParcel *reply, const OH_IPC_MessageOption *option);
|
||||
|
||||
/**
|
||||
* @brief Obtains the interface descriptor from the stub.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param proxy Pointer to the <b>OHIPCRemoteProxy</b> object. It cannot be NULL.
|
||||
* @param descriptor Double pointer to the address of the memory for holding the interface descriptor.
|
||||
* The memory is allocated by the allocator provided by the user and needs to be released. This pointer cannot be NULL.
|
||||
* If an error code is returned, you still need to check whether the memory is empty and release the memory.
|
||||
* Otherwise, memory leaks may occur.
|
||||
* @param len Pointer to the length of the data to be written to the descriptor, including the terminator.
|
||||
* This parameter cannot be NULL.
|
||||
* @param allocator Memory allocator specified by the user for allocating memory for <b>descriptor</b>.
|
||||
* It cannot be NULL.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if incorrect parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_DEAD_REMOTE_OBJECT} if the <b>OHIPCRemoteStub</b> object is dead. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_MEM_ALLOCATOR_ERROR} if memory allocation fails. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_PARCEL_READ_ERROR} if the data in the serialized object failed to be read.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCRemoteProxy_GetInterfaceDescriptor(OHIPCRemoteProxy *proxy, char **descriptor, int32_t *len,
|
||||
OH_IPC_MemAllocator allocator);
|
||||
|
||||
/**
|
||||
* @brief Called when the <b>OHIPCRemoteStub</b> object dies unexpectedly.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param userData Pointer to the user data. It can be NULL.
|
||||
* @since 12
|
||||
*/
|
||||
typedef void (*OH_OnDeathRecipientCallback)(void *userData);
|
||||
|
||||
/**
|
||||
* @brief Called when the <b>OHIPCDeathRecipient</b> object is destroyed.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param userData Pointer to the user data. It can be NULL.
|
||||
* @since 12
|
||||
*/
|
||||
typedef void (*OH_OnDeathRecipientDestroyCallback)(void *userData);
|
||||
|
||||
/**
|
||||
* @brief Creates an <b>OHIPCDeathRecipient</b> object, which allows a notification to be received
|
||||
* when the <b>OHIPCRemoteStub</b> object dies unexpectedly.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param deathRecipientCallback Callback to be invoked when the <b>OHIPCRemoteStub</b> object is dead.
|
||||
* It cannot be NULL.
|
||||
* @param destroyCallback Callback to be invoked when the object is destroyed. It can be NULL.
|
||||
* @param userData Pointer to the user data. It can be NULL.
|
||||
* @return Returns the pointer to the <b>OHIPCDeathRecipient</b> object created if the operation is successful;
|
||||
* returns NULL otherwise.
|
||||
* @since 12
|
||||
*/
|
||||
OHIPCDeathRecipient* OH_IPCDeathRecipient_Create(OH_OnDeathRecipientCallback deathRecipientCallback,
|
||||
OH_OnDeathRecipientDestroyCallback destroyCallback, void *userData);
|
||||
|
||||
/**
|
||||
* @brief Destroys an <b>OHIPCDeathRecipient</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param recipient Pointer to the <b>OHIPCDeathRecipient</b> object to destroy.
|
||||
* @since 12
|
||||
*/
|
||||
void OH_IPCDeathRecipient_Destroy(OHIPCDeathRecipient *recipient);
|
||||
|
||||
/**
|
||||
* @brief Subscribes to the death of an <b>OHIPCRemoteStub</b> object for an <b>OHIPCRemoteProxy</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param proxy Pointer to the <b>OHIPCRemoteProxy</b> object that subscribes to the death notification.
|
||||
* It cannot be NULL.
|
||||
* @param recipient Pointer to the object that receives the death notification of the <b>OHIPCRemoteStub</b> object.
|
||||
* It cannot be NULL.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if incorrect parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_INNER_ERROR} in other cases.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCRemoteProxy_AddDeathRecipient(OHIPCRemoteProxy *proxy, OHIPCDeathRecipient *recipient);
|
||||
|
||||
/**
|
||||
* @brief Unsubscribes from the death of the <b>OHIPCRemoteStub</b> object for an <b>OHIPCRemoteProxy</b> object.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param proxy Pointer to the <b>OHIPCRemoteProxy</b> object that unsubscribes from the death notification.
|
||||
* It cannot be NULL.
|
||||
* @param recipient Pointer to the object that receives the death notification of the <b>OHIPCRemoteStub</b> object.
|
||||
* It cannot be NULL.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if incorrect parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_INNER_ERROR} in other cases.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCRemoteProxy_RemoveDeathRecipient(OHIPCRemoteProxy *proxy, OHIPCDeathRecipient *recipient);
|
||||
|
||||
/**
|
||||
* @brief Checks whether the <b>OHIPCRemoteStub</b> object corresponding to the <b>OHIPCRemoteProxy</b> object is dead.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param proxy Pointer to the <b>OHIPCRemoteProxy</b> object to check. It cannot be NULL.
|
||||
* @return Returns <b>1</b> if the <b>OHIPCRemoteStub</b> object is dead; returns <b>0</b> otherwise.
|
||||
* If an invalid parameter is found, the <b>OHIPCRemoteStub</b> object does not exist.
|
||||
* In this case, <b>1</b> is returned.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCRemoteProxy_IsRemoteDead(const OHIPCRemoteProxy *proxy);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
/** @} */
|
||||
#endif
|
||||
180
IPCKit/ipc_cskeleton.h
Normal file
180
IPCKit/ipc_cskeleton.h
Normal file
@ -0,0 +1,180 @@
|
||||
/*
|
||||
* Copyright (c) 2024 Huawei Device Co., Ltd.
|
||||
* 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 CAPI_INCLUDE_IPC_CSKELETON_H
|
||||
#define CAPI_INCLUDE_IPC_CSKELETON_H
|
||||
|
||||
/**
|
||||
* @addtogroup OHIPCSkeleton
|
||||
* @{
|
||||
*
|
||||
* @brief Provides C interfaces for managing the token IDs, credentials, process IDs (PIDs),
|
||||
* user IDs (UIDs), and thread pool in the IPC framework.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @since 12
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file ipc_cskeleton.h
|
||||
*
|
||||
* @brief Defines C interfaces for managing the token IDs, credentials, PIDs, UIDs, and thread
|
||||
* pool in the IPC framework.
|
||||
*
|
||||
* @library libipc_capi.so
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @since 12
|
||||
*/
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#include "ipc_cparcel.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief Joints this thread to the IPC worker thread pool.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @since 12
|
||||
*/
|
||||
void OH_IPCSkeleton_JoinWorkThread(void);
|
||||
|
||||
/**
|
||||
* @brief Stops this thread.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @since 12
|
||||
*/
|
||||
void OH_IPCSkeleton_StopWorkThread(void);
|
||||
|
||||
/**
|
||||
* @brief Obtains the token ID of the caller. This function must be called in the IPC context.
|
||||
* Otherwise, the local token ID is returned.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @return Returns the token ID of the caller.
|
||||
* @since 12
|
||||
*/
|
||||
uint64_t OH_IPCSkeleton_GetCallingTokenId(void);
|
||||
|
||||
/**
|
||||
* @brief Obtains the token ID of the first caller.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @return Returns the token ID obtained.
|
||||
* @since 12
|
||||
*/
|
||||
uint64_t OH_IPCSkeleton_GetFirstTokenId(void);
|
||||
|
||||
/**
|
||||
* @brief Obtains the local token ID.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @return Returns the token ID obtained.
|
||||
* @since 12
|
||||
*/
|
||||
uint64_t OH_IPCSkeleton_GetSelfTokenId(void);
|
||||
|
||||
/**
|
||||
* @brief Obtains the process ID of the caller. This function must be called in the IPC context.
|
||||
* Otherwise, the current process ID is returned.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @return Returns the process ID of the caller.
|
||||
* @since 12
|
||||
*/
|
||||
uint64_t OH_IPCSkeleton_GetCallingPid(void);
|
||||
|
||||
/**
|
||||
* @brief Obtains the UID of the caller. This function must be called in the IPC context.
|
||||
* Otherwise, the current UID is returned.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @return Returns the UID of the caller.
|
||||
* @since 12
|
||||
*/
|
||||
uint64_t OH_IPCSkeleton_GetCallingUid(void);
|
||||
|
||||
/**
|
||||
* @brief Checks whether a local calling is being made.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @return Returns <b>1</b> if a local calling is in progress; returns <b>0</b> otherwise.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCSkeleton_IsLocalCalling(void);
|
||||
|
||||
/**
|
||||
* @brief Sets the maximum number of worker threads.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param maxThreadNum Maximum number of worker threads to set. The default value is <b>16</b>.
|
||||
* The value range is [1, 32].
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if incorrect parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_INNER_ERROR} in other cases.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCSkeleton_SetMaxWorkThreadNum(const int maxThreadNum);
|
||||
|
||||
/**
|
||||
* @brief Resets the caller identity credential (including the token ID, UID, and PID) to that of this process and
|
||||
* returns the caller credential information.
|
||||
* The identity information is used in <b>OH_IPCSkeleton_SetCallingIdentity</b>.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param identity Pointer to the address of the memory for holding the caller identity information.
|
||||
* The memory is allocated by the allocator provided by the user and needs to be released. This pointer cannot be NULL.
|
||||
* @param len Pointer to the length of the identity information. It cannot be NULL.
|
||||
* @param allocator Memory allocator specified by the user for allocating memory for <b>identity</b>. It cannot be NULL.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if incorrect parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_MEM_ALLOCATOR_ERROR} if memory allocation fails. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_INNER_ERROR} in other cases.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCSkeleton_ResetCallingIdentity(char **identity, int32_t *len, OH_IPC_MemAllocator allocator);
|
||||
|
||||
/**
|
||||
* @brief Sets the caller credential information to the IPC context.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @param identity Pointer to the caller identity, which cannot be NULL.
|
||||
* The value is returned by <b>OH_IPCSkeleton_ResetCallingIdentity</b>.
|
||||
* @return Returns {@link OH_IPC_ErrorCode#OH_IPC_SUCCESS} if the operation is successful. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_CHECK_PARAM_ERROR} if incorrect parameters are found. \n
|
||||
* Returns {@link OH_IPC_ErrorCode#OH_IPC_INNER_ERROR} in other cases.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCSkeleton_SetCallingIdentity(const char *identity);
|
||||
|
||||
/**
|
||||
* @brief Checks whether an IPC request is being handled.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @return Returns <b>1</b> if an IPC request is being handled; returns <b>0</b> otherwise.
|
||||
* @since 12
|
||||
*/
|
||||
int OH_IPCSkeleton_IsHandlingTransaction(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
/** @} */
|
||||
#endif
|
||||
74
IPCKit/ipc_error_code.h
Normal file
74
IPCKit/ipc_error_code.h
Normal file
@ -0,0 +1,74 @@
|
||||
/*
|
||||
* Copyright (c) 2024 Huawei Device Co., Ltd.
|
||||
* 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 CAPI_INCLUDE_IPC_ERROR_CODE_H
|
||||
#define CAPI_INCLUDE_IPC_ERROR_CODE_H
|
||||
|
||||
/**
|
||||
* @addtogroup OHIPCErrorCode
|
||||
* @{
|
||||
*
|
||||
* @brief Provides IPC error codes.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @since 12
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file ipc_error_code.h
|
||||
*
|
||||
* @brief Defines IPC error codes.
|
||||
*
|
||||
* @library libipc_capi.so
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @since 12
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Enumerates IPC error codes.
|
||||
*
|
||||
* @since 12
|
||||
*/
|
||||
typedef enum {
|
||||
/** @error Execution successful. */
|
||||
OH_IPC_SUCCESS = 0,
|
||||
/** @error Start error code. */
|
||||
OH_IPC_ERROR_CODE_BASE = 1901000,
|
||||
/** @error Invalid parameters. */
|
||||
OH_IPC_CHECK_PARAM_ERROR = OH_IPC_ERROR_CODE_BASE,
|
||||
/** @error Failed to write data to the serialized object. */
|
||||
OH_IPC_PARCEL_WRITE_ERROR = OH_IPC_ERROR_CODE_BASE + 1,
|
||||
/** @error Failed to read data from the serialized object. */
|
||||
OH_IPC_PARCEL_READ_ERROR = OH_IPC_ERROR_CODE_BASE + 2,
|
||||
/** @error Failed to allocate memory. */
|
||||
OH_IPC_MEM_ALLOCATOR_ERROR = OH_IPC_ERROR_CODE_BASE + 3,
|
||||
/** @error The command word is out of the value range [0x01,0x00ffffff]. */
|
||||
OH_IPC_CODE_OUT_OF_RANGE = OH_IPC_ERROR_CODE_BASE + 4,
|
||||
/** @error The remote object is dead. */
|
||||
OH_IPC_DEAD_REMOTE_OBJECT = OH_IPC_ERROR_CODE_BASE + 5,
|
||||
/** @error The custom error code is out of range [1900001, 1999999]. */
|
||||
OH_IPC_INVALID_USER_ERROR_CODE = OH_IPC_ERROR_CODE_BASE + 6,
|
||||
/** @error IPC internal error. */
|
||||
OH_IPC_INNER_ERROR = OH_IPC_ERROR_CODE_BASE + 7,
|
||||
/** @error Maximum error code. */
|
||||
OH_IPC_ERROR_CODE_MAX = OH_IPC_ERROR_CODE_BASE + 1000,
|
||||
/** @error Minimum value for a custom error code. */
|
||||
OH_IPC_USER_ERROR_CODE_MIN = 1909000,
|
||||
/** @error Maximum value for a custom error code. */
|
||||
OH_IPC_USER_ERROR_CODE_MAX = 1909999,
|
||||
} OH_IPC_ErrorCode;
|
||||
|
||||
/** @} */
|
||||
#endif
|
||||
45
IPCKit/ipc_kit.h
Normal file
45
IPCKit/ipc_kit.h
Normal file
@ -0,0 +1,45 @@
|
||||
/*
|
||||
* Copyright (c) 2024 Huawei Device Co., Ltd.
|
||||
* 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 CAPI_INCLUDE_IPC_KIT_H
|
||||
#define CAPI_INCLUDE_IPC_KIT_H
|
||||
|
||||
/**
|
||||
* @addtogroup IPCKit
|
||||
* @{
|
||||
*
|
||||
* @brief Provides an entry to the IPC header files for you to reference.
|
||||
*
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @since 12
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file ipc_cparcel.h
|
||||
*
|
||||
* @brief Provides an entry to the IPC header files for you to reference.
|
||||
*
|
||||
* @library libipc_capi.so
|
||||
* @syscap SystemCapability.Communication.IPC.Core
|
||||
* @since 12
|
||||
*/
|
||||
|
||||
#include "ipc_error_code.h"
|
||||
#include "ipc_cparcel.h"
|
||||
#include "ipc_cremote_object.h"
|
||||
#include "ipc_cskeleton.h"
|
||||
|
||||
/** @} */
|
||||
#endif
|
||||
226
IPCKit/libipc_capi.json
Normal file
226
IPCKit/libipc_capi.json
Normal file
@ -0,0 +1,226 @@
|
||||
[
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCSkeleton_JoinWorkThread"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCSkeleton_StopWorkThread"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCSkeleton_GetCallingTokenId"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCSkeleton_GetFirstTokenId"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCSkeleton_GetSelfTokenId"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCSkeleton_GetCallingPid"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCSkeleton_GetCallingUid"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCSkeleton_IsLocalCalling"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCSkeleton_SetMaxWorkThreadNum"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCSkeleton_ResetCallingIdentity"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCSkeleton_SetCallingIdentity"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCSkeleton_IsHandlingTransaction"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCRemoteStub_Create"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCRemoteStub_Destroy"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCRemoteProxy_Destroy"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCRemoteProxy_SendRequest"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCRemoteProxy_GetInterfaceDescriptor"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCDeathRecipient_Create"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCDeathRecipient_Destroy"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCRemoteProxy_AddDeathRecipient"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCRemoteProxy_RemoveDeathRecipient"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCRemoteProxy_IsRemoteDead"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_Create"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_Destroy"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_GetDataSize"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_GetWritableBytes"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_GetReadableBytes"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_GetReadPosition"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_GetWritePosition"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_RewindReadPosition"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_RewindWritePosition"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_WriteInt8"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_ReadInt8"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_WriteInt16"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_ReadInt16"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_WriteInt32"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_ReadInt32"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_WriteInt64"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_ReadInt64"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_WriteFloat"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_ReadFloat"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_WriteDouble"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_ReadDouble"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_WriteString"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_ReadString"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_WriteBuffer"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_ReadBuffer"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_WriteRemoteStub"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_ReadRemoteStub"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_WriteRemoteProxy"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_ReadRemoteProxy"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_WriteFileDescriptor"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_ReadFileDescriptor"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_Append"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_WriteInterfaceToken"
|
||||
},
|
||||
{
|
||||
"first_introduced": "12",
|
||||
"name": "OH_IPCParcel_ReadInterfaceToken"
|
||||
}
|
||||
]
|
||||
Loading…
Reference in New Issue
Block a user