Parcel.h revision 03d1eb6bf90bcd0a04b176988478d2e939d3fba0
1edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project/* 2edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Copyright (C) 2005 The Android Open Source Project 3edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 4edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * you may not use this file except in compliance with the License. 6edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * You may obtain a copy of the License at 7edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 8edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 10edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * See the License for the specific language governing permissions and 14edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * limitations under the License. 15edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project */ 16edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 17edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#ifndef ANDROID_PARCEL_H 18edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define ANDROID_PARCEL_H 19edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 20451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin#include <vector> 21451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 22edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <cutils/native_handle.h> 23edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Errors.h> 24edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/RefBase.h> 25edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/String16.h> 26edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Vector.h> 278683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian#include <utils/Flattenable.h> 2884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg#include <linux/binder.h> 29edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 30f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin#include <binder/IInterface.h> 31f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin 32edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 33edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectnamespace android { 34edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 35e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopiantemplate <typename T> class Flattenable; 368683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopiantemplate <typename T> class LightFlattenable; 37edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectclass IBinder; 3870081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrickclass IPCThreadState; 39edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectclass ProcessState; 40edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectclass String8; 41edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectclass TextOutput; 42edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 43e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianclass Parcel { 44f683e0163a84d93448b9388126902242367cd961Serban Constantinescu friend class IPCThreadState; 45edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectpublic: 465707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown class ReadableBlob; 475707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown class WritableBlob; 485707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 49edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel(); 50edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ~Parcel(); 51edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 52edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const uint8_t* data() const; 53edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t dataSize() const; 54edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t dataAvail() const; 55edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t dataPosition() const; 56edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t dataCapacity() const; 578938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 58edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t setDataSize(size_t size); 59edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void setDataPosition(size_t pos) const; 60edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t setDataCapacity(size_t size); 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t setData(const uint8_t* buffer, size_t len); 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 6451faf46e2958c57dab46d9420e585319125c7c42Andreas Huber status_t appendFrom(const Parcel *parcel, 6551faf46e2958c57dab46d9420e585319125c7c42Andreas Huber size_t start, size_t len); 66edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 6713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown bool allowFds() const; 687746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn bool pushAllowFds(bool allowFds); 697746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn void restoreAllowFds(bool lastValue); 708938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 71edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project bool hasFileDescriptors() const; 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 73702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick // Writes the RPC header. 74edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t writeInterfaceToken(const String16& interface); 75a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick 76702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick // Parses the RPC header, returning true if the interface name 77702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick // in the header matches the expected interface from the caller. 7870081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick // 7970081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick // Additionally, enforceInterface does part of the work of 8070081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick // propagating the StrictMode policy mask, populating the current 8170081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick // IPCThreadState, which as an optimization may optionally be 8270081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick // passed in. 83a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick bool enforceInterface(const String16& interface, 8470081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick IPCThreadState* threadState = NULL) const; 85702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick bool checkInterface(IBinder*) const; 8683c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 87edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void freeData(); 88edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 8984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevågprivate: 9084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* objects() const; 9184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg 9284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevågpublic: 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t objectsCount() const; 94edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 95edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t errorCheck() const; 96edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void setError(status_t err); 97edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 98edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t write(const void* data, size_t len); 99edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void* writeInplace(size_t len); 100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t writeUnpadded(const void* data, size_t len); 101edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t writeInt32(int32_t val); 10241a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza status_t writeUint32(uint32_t val); 103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t writeInt64(int64_t val); 1042d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu status_t writeUint64(uint64_t val); 105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t writeFloat(float val); 106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t writeDouble(double val); 107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t writeCString(const char* str); 108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t writeString8(const String8& str); 109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t writeString16(const String16& str); 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t writeString16(const char16_t* str, size_t len); 111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t writeStrongBinder(const sp<IBinder>& val); 112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t writeWeakBinder(const wp<IBinder>& val); 1135c0106e134366312206702f1b072347e20c90374Marco Nelissen status_t writeInt32Array(size_t len, const int32_t *val); 114f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen status_t writeByteArray(size_t len, const uint8_t *val); 115d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t writeBool(bool val); 116d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t writeChar(char16_t val); 117d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t writeByte(int8_t val); 118e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian 119451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t writeByteVector(const std::vector<int8_t>& val); 120451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t writeInt32Vector(const std::vector<int32_t>& val); 121451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t writeInt64Vector(const std::vector<int64_t>& val); 122451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t writeFloatVector(const std::vector<float>& val); 123451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t writeDoubleVector(const std::vector<double>& val); 124451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t writeBoolVector(const std::vector<bool>& val); 125451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t writeCharVector(const std::vector<char16_t>& val); 126451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t writeString16Vector(const std::vector<String16>& val); 127451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 128eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin status_t writeStrongBinderVector(const std::vector<sp<IBinder>>& val); 129eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin 130e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian template<typename T> 131e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian status_t write(const Flattenable<T>& val); 132edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1338683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian template<typename T> 1348683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian status_t write(const LightFlattenable<T>& val); 1358683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian 1368683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian 137a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian // Place a native_handle into the parcel (the native_handle's file- 138a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian // descriptors are dup'ed, so it is safe to delete the native_handle 139451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin // when this function returns). 140a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian // Doesn't take ownership of the native_handle. 141a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian status_t writeNativeHandle(const native_handle* handle); 142edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 143edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Place a file descriptor into the parcel. The given fd must remain 144edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // valid for the lifetime of the parcel. 14593ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brown // The Parcel does not take ownership of the given fd unless you ask it to. 14693ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brown status_t writeFileDescriptor(int fd, bool takeOwnership = false); 147edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 148edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Place a file descriptor into the parcel. A dup of the fd is made, which 149edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // will be closed once the parcel is destroyed. 150edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t writeDupFileDescriptor(int fd); 1515707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 1525707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown // Writes a blob to the parcel. 1535707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown // If the blob is small, then it is stored in-place, otherwise it is 15413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown // transferred by way of an anonymous shared memory region. Prefer sending 15513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown // immutable blobs if possible since they may be subsequently transferred between 15613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown // processes without further copying whereas mutable blobs always need to be copied. 1575707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown // The caller should call release() on the blob after writing its contents. 15813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t writeBlob(size_t len, bool mutableCopy, WritableBlob* outBlob); 15913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 16013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown // Write an existing immutable blob file descriptor to the parcel. 16113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown // This allows the client to send the same blob to multiple processes 16213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown // as long as it keeps a dup of the blob file descriptor handy for later. 16313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t writeDupImmutableBlobFileDescriptor(int fd); 1645707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 165edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t writeObject(const flat_binder_object& val, bool nullMetaData); 166edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 167837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick // Like Parcel.java's writeNoException(). Just writes a zero int32. 168837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick // Currently the native implementation doesn't do any of the StrictMode 169837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick // stack gathering and serialization that the Java implementation does. 170837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick status_t writeNoException(); 171837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick 172edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void remove(size_t start, size_t amt); 173edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 174edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t read(void* outData, size_t len) const; 175edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const void* readInplace(size_t len) const; 176edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int32_t readInt32() const; 177edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t readInt32(int32_t *pArg) const; 17841a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza uint32_t readUint32() const; 17941a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza status_t readUint32(uint32_t *pArg) const; 180edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int64_t readInt64() const; 181edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t readInt64(int64_t *pArg) const; 1822d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu uint64_t readUint64() const; 1832d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu status_t readUint64(uint64_t *pArg) const; 184edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project float readFloat() const; 185edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t readFloat(float *pArg) const; 186edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project double readDouble() const; 187edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t readDouble(double *pArg) const; 18884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber intptr_t readIntPtr() const; 18984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber status_t readIntPtr(intptr_t *pArg) const; 190d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin bool readBool() const; 191d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t readBool(bool *pArg) const; 192d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin char16_t readChar() const; 193d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t readChar(char16_t *pArg) const; 194d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int8_t readByte() const; 195d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t readByte(int8_t *pArg) const; 196edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 197edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const char* readCString() const; 198edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project String8 readString8() const; 199edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project String16 readString16() const; 200451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t readString16(String16* pArg) const; 201edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const char16_t* readString16Inplace(size_t* outLen) const; 202edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project sp<IBinder> readStrongBinder() const; 203f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin status_t readStrongBinder(sp<IBinder>* val) const; 204edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project wp<IBinder> readWeakBinder() const; 205e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian 206f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin template<typename T> 207eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin status_t readStrongBinder(sp<T>* val) const; 208eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin 209eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin status_t readStrongBinderVector(std::vector<sp<IBinder>>* val) const; 210f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin 211451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t readByteVector(std::vector<int8_t>* val) const; 212451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t readInt32Vector(std::vector<int32_t>* val) const; 213451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t readInt64Vector(std::vector<int64_t>* val) const; 214451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t readFloatVector(std::vector<float>* val) const; 215451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t readDoubleVector(std::vector<double>* val) const; 216451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t readBoolVector(std::vector<bool>* val) const; 217451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t readCharVector(std::vector<char16_t>* val) const; 218451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t readString16Vector(std::vector<String16>* val) const; 219451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 220e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian template<typename T> 221e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian status_t read(Flattenable<T>& val) const; 222837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick 2238683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian template<typename T> 2248683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian status_t read(LightFlattenable<T>& val) const; 2258683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian 226837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick // Like Parcel.java's readExceptionCode(). Reads the first int32 227837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick // off of a Parcel's header, returning 0 or the negative error 228837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick // code on exceptions, but also deals with skipping over rich 229837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick // response headers. Callers should use this to read & parse the 230837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick // response headers rather than doing it by hand. 231837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick int32_t readExceptionCode() const; 232837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick 233a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian // Retrieve native_handle from the parcel. This returns a copy of the 234a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian // parcel's native_handle (the caller takes ownership). The caller 235a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian // must free the native_handle with native_handle_close() and 236a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian // native_handle_delete(). 237a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle* readNativeHandle() const; 238edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 239edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 240edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Retrieve a file descriptor from the parcel. This returns the raw fd 241edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // in the parcel, which you do not own -- use dup() to get your own copy. 242edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project int readFileDescriptor() const; 2435707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 2445707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown // Reads a blob from the parcel. 2455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown // The caller should call release() on the blob after reading its contents. 2465707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status_t readBlob(size_t len, ReadableBlob* outBlob) const; 2475707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 248edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const flat_binder_object* readObject(bool nullMetaData) const; 249edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 250edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // Explicitly close all file descriptors in the parcel. 251edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void closeFileDescriptors(); 2527e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 2537e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn // Debugging: get metrics on current allocations. 2547e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn static size_t getGlobalAllocSize(); 2557e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn static size_t getGlobalAllocCount(); 2567e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 25784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevågprivate: 258edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project typedef void (*release_func)(Parcel* parcel, 259edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const uint8_t* data, size_t dataSize, 26084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* objects, size_t objectsSize, 261edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void* cookie); 262edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 26384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg uintptr_t ipcData() const; 264edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t ipcDataSize() const; 26584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg uintptr_t ipcObjects() const; 266edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t ipcObjectsCount() const; 267edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void ipcSetDataReference(const uint8_t* data, size_t dataSize, 26884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* objects, size_t objectsCount, 269edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project release_func relFunc, void* relCookie); 270edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 27184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevågpublic: 272edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void print(TextOutput& to, uint32_t flags = 0) const; 2735707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 274edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectprivate: 275edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel(const Parcel& o); 276edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Parcel& operator=(const Parcel& o); 277edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 278edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t finishWrite(size_t len); 279edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void releaseObjects(); 280edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void acquireObjects(); 281edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t growData(size_t len); 282edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t restartWrite(size_t desired); 283edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t continueWrite(size_t desired); 284f683e0163a84d93448b9388126902242367cd961Serban Constantinescu status_t writePointer(uintptr_t val); 285f683e0163a84d93448b9388126902242367cd961Serban Constantinescu status_t readPointer(uintptr_t *pArg) const; 286f683e0163a84d93448b9388126902242367cd961Serban Constantinescu uintptr_t readPointer() const; 287edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void freeDataNoInit(); 288edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void initState(); 289edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void scanForFds() const; 290edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 29184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber template<class T> 29284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber status_t readAligned(T *pArg) const; 29384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 29484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber template<class T> T readAligned() const; 29584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 29684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber template<class T> 29784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber status_t writeAligned(T val); 29884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 29903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley template<typename T, typename U> 30003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t unsafeReadTypedVector(std::vector<T>* val, 30103d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t(Parcel::*read_func)(U*) const) const; 30203d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley template<typename T> 30303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t readTypedVector(std::vector<T>* val, 30403d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t(Parcel::*read_func)(T*) const) const; 30503d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley template<typename T, typename U> 30603d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t unsafeWriteTypedVector(const std::vector<T>& val, 30703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t(Parcel::*write_func)(U)); 30803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley template<typename T> 30903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t writeTypedVector(const std::vector<T>& val, 31003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t(Parcel::*write_func)(const T&)); 31103d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley template<typename T> 31203d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t writeTypedVector(const std::vector<T>& val, 31303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t(Parcel::*write_func)(T)); 31403d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 315edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t mError; 316edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uint8_t* mData; 317edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t mDataSize; 318edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t mDataCapacity; 319edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mutable size_t mDataPos; 32084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* mObjects; 321edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t mObjectsSize; 322edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project size_t mObjectsCapacity; 323edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mutable size_t mNextObjectHint; 324edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 325edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mutable bool mFdsKnown; 326edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mutable bool mHasFds; 3278938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn bool mAllowFds; 328edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 329edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project release_func mOwner; 330edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project void* mOwnerCookie; 3315707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 3325707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown class Blob { 3335707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown public: 3345707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown Blob(); 3355707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ~Blob(); 3365707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 33713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown void clear(); 3385707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void release(); 3395707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown inline size_t size() const { return mSize; } 34013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown inline int fd() const { return mFd; }; 34113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown inline bool isMutable() const { return mMutable; } 3425707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 3435707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown protected: 34413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown void init(int fd, void* data, size_t size, bool isMutable); 3455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 34613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown int mFd; // owned by parcel so not closed when released 3475707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* mData; 3485707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown size_t mSize; 34913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown bool mMutable; 3505707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown }; 3515707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 352e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian class FlattenableHelperInterface { 353e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian protected: 354e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian ~FlattenableHelperInterface() { } 355e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian public: 356e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian virtual size_t getFlattenedSize() const = 0; 357e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian virtual size_t getFdCount() const = 0; 358e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian virtual status_t flatten(void* buffer, size_t size, int* fds, size_t count) const = 0; 359e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian virtual status_t unflatten(void const* buffer, size_t size, int const* fds, size_t count) = 0; 360e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian }; 361e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian 362e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian template<typename T> 363e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian class FlattenableHelper : public FlattenableHelperInterface { 364e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian friend class Parcel; 365e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const Flattenable<T>& val; 366e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian explicit FlattenableHelper(const Flattenable<T>& val) : val(val) { } 367e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian 368e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian public: 369e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian virtual size_t getFlattenedSize() const { 370e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian return val.getFlattenedSize(); 371e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian } 372e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian virtual size_t getFdCount() const { 373e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian return val.getFdCount(); 374e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian } 375e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian virtual status_t flatten(void* buffer, size_t size, int* fds, size_t count) const { 376e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian return val.flatten(buffer, size, fds, count); 377e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian } 378e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian virtual status_t unflatten(void const* buffer, size_t size, int const* fds, size_t count) { 379e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian return const_cast<Flattenable<T>&>(val).unflatten(buffer, size, fds, count); 380e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian } 381e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian }; 382e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian status_t write(const FlattenableHelperInterface& val); 383e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian status_t read(FlattenableHelperInterface& val) const; 384e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian 3855707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownpublic: 3865707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown class ReadableBlob : public Blob { 3875707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown friend class Parcel; 3885707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown public: 3895707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown inline const void* data() const { return mData; } 39013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown inline void* mutableData() { return isMutable() ? mData : NULL; } 3915707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown }; 3925707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 3935707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown class WritableBlob : public Blob { 3945707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown friend class Parcel; 3955707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown public: 3965707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown inline void* data() { return mData; } 3975707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown }; 398aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler 399aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandlerprivate: 400aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler size_t mBlobAshmemSize; 401aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler 402aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandlerpublic: 403aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler size_t getBlobAshmemSize() const; 404edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; 405edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 406edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 407edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 4088683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopiantemplate<typename T> 409e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::write(const Flattenable<T>& val) { 410e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const FlattenableHelper<T> helper(val); 411e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian return write(helper); 412e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian} 413e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian 414e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopiantemplate<typename T> 4158683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopianstatus_t Parcel::write(const LightFlattenable<T>& val) { 416e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian size_t size(val.getFlattenedSize()); 4178683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian if (!val.isFixedSize()) { 4188683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian status_t err = writeInt32(size); 4198683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian if (err != NO_ERROR) { 4208683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian return err; 4218683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian } 4228683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian } 4232098517e3e12a401005d7a7510d6c4943707b98dMathias Agopian if (size) { 4242098517e3e12a401005d7a7510d6c4943707b98dMathias Agopian void* buffer = writeInplace(size); 425e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian if (buffer == NULL) 426e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian return NO_MEMORY; 427e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian return val.flatten(buffer, size); 4282098517e3e12a401005d7a7510d6c4943707b98dMathias Agopian } 4292098517e3e12a401005d7a7510d6c4943707b98dMathias Agopian return NO_ERROR; 4308683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian} 4318683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian 4328683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopiantemplate<typename T> 433e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::read(Flattenable<T>& val) const { 434e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian FlattenableHelper<T> helper(val); 435e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian return read(helper); 436e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian} 437e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian 438e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopiantemplate<typename T> 4398683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopianstatus_t Parcel::read(LightFlattenable<T>& val) const { 4408683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian size_t size; 4418683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian if (val.isFixedSize()) { 442e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian size = val.getFlattenedSize(); 4438683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian } else { 4448683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian int32_t s; 4458683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian status_t err = readInt32(&s); 4468683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian if (err != NO_ERROR) { 4478683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian return err; 4488683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian } 4498683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian size = s; 4508683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian } 4512098517e3e12a401005d7a7510d6c4943707b98dMathias Agopian if (size) { 4522098517e3e12a401005d7a7510d6c4943707b98dMathias Agopian void const* buffer = readInplace(size); 4532098517e3e12a401005d7a7510d6c4943707b98dMathias Agopian return buffer == NULL ? NO_MEMORY : 4542098517e3e12a401005d7a7510d6c4943707b98dMathias Agopian val.unflatten(buffer, size); 4552098517e3e12a401005d7a7510d6c4943707b98dMathias Agopian } 4562098517e3e12a401005d7a7510d6c4943707b98dMathias Agopian return NO_ERROR; 4578683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian} 4588683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian 459f0c13772d95486d98f034361883b2415bb26a614Casey Dahlintemplate<typename T> 460f0c13772d95486d98f034361883b2415bb26a614Casey Dahlinstatus_t Parcel::readStrongBinder(sp<T>* val) const { 461f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin sp<IBinder> tmp; 462f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin status_t ret = readStrongBinder(&tmp); 463f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin 464f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin if (ret == OK) { 465f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin *val = interface_cast<T>(tmp); 466f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin 467f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin if (val->get() == nullptr) { 468f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin return UNKNOWN_ERROR; 469f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin } 470f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin } 471f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin 472f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin return ret; 473f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin} 474f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin 47503d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wileytemplate<typename T, typename U> 47603d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wileystatus_t Parcel::unsafeReadTypedVector( 47703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley std::vector<T>* val, status_t(Parcel::*read_func)(U*) const) const { 47803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley val->clear(); 47903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 48003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley int32_t size; 48103d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t status = this->readInt32(&size); 48203d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 48303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley if (status != OK) { 48403d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return status; 48503d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley } 48603d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 48703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley if (size < 0) { 48803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return UNEXPECTED_NULL; 48903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley } 49003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 49103d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley val->resize(size); 49203d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 49303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley for (auto& v: *val) { 49403d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status = (this->*read_func)(&v); 49503d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 49603d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley if (status != OK) { 49703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return status; 49803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley } 49903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley } 50003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 50103d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return OK; 50203d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley} 50303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 50403d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wileytemplate<typename T> 50503d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wileystatus_t Parcel::readTypedVector(std::vector<T>* val, 50603d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t(Parcel::*read_func)(T*) const) const { 50703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return unsafeReadTypedVector(val, read_func); 50803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley} 50903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 51003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wileytemplate<typename T, typename U> 51103d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wileystatus_t Parcel::unsafeWriteTypedVector(const std::vector<T>& val, 51203d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t(Parcel::*write_func)(U)) { 51303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley if (val.size() > std::numeric_limits<int32_t>::max()) { 51403d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return BAD_VALUE; 51503d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley } 51603d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 51703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t status = this->writeInt32(val.size()); 51803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 51903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley if (status != OK) { 52003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return status; 52103d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley } 52203d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 52303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley for (const auto& item : val) { 52403d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status = (this->*write_func)(item); 52503d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 52603d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley if (status != OK) { 52703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return status; 52803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley } 52903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley } 53003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 53103d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return OK; 53203d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley} 53303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 53403d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wileytemplate<typename T> 53503d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wileystatus_t Parcel::writeTypedVector(const std::vector<T>& val, 53603d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t(Parcel::*write_func)(const T&)) { 53703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return unsafeWriteTypedVector(val, write_func); 53803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley} 53903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 54003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wileytemplate<typename T> 54103d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wileystatus_t Parcel::writeTypedVector(const std::vector<T>& val, 54203d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley status_t(Parcel::*write_func)(T)) { 54303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return unsafeWriteTypedVector(val, write_func); 54403d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley} 54503d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley 5468683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian// --------------------------------------------------------------------------- 5478683fca395d01734ec7946e9f0595ec5d7b754c6Mathias Agopian 548edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectinline TextOutput& operator<<(TextOutput& to, const Parcel& parcel) 549edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 550edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project parcel.print(to); 551edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return to; 552edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 553edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 554edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 555edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 556edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// Generic acquire and release of objects. 557edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid acquire_object(const sp<ProcessState>& proc, 558edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const flat_binder_object& obj, const void* who); 559edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid release_object(const sp<ProcessState>& proc, 560edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const flat_binder_object& obj, const void* who); 561edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 562edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid flatten_binder(const sp<ProcessState>& proc, 563edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const sp<IBinder>& binder, flat_binder_object* out); 564edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid flatten_binder(const sp<ProcessState>& proc, 565edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const wp<IBinder>& binder, flat_binder_object* out); 566edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 567edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const flat_binder_object& flat, sp<IBinder>* out); 568edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 569edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const flat_binder_object& flat, wp<IBinder>* out); 570edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 571edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 572edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 573edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 574edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 575edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif // ANDROID_PARCEL_H 576