LCOV - code coverage report
Current view: directory - ipc/chromium/src/chrome/common - ipc_message.cc (source / functions) Found Hit Coverage
Test: app.info Lines: 69 23 33.3 %
Date: 2012-06-02 Functions: 14 3 21.4 %

       1                 : // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
       2                 : // Use of this source code is governed by a BSD-style license that can be
       3                 : // found in the LICENSE file.
       4                 : 
       5                 : #include "chrome/common/ipc_message.h"
       6                 : 
       7                 : #include "base/logging.h"
       8                 : #include "build/build_config.h"
       9                 : 
      10                 : #if defined(OS_POSIX)
      11                 : #include "chrome/common/file_descriptor_set_posix.h"
      12                 : #endif
      13                 : 
      14                 : namespace IPC {
      15                 : 
      16                 : //------------------------------------------------------------------------------
      17                 : 
      18               0 : Message::~Message() {
      19               0 : }
      20                 : 
      21               1 : Message::Message()
      22               1 :     : Pickle(sizeof(Header)) {
      23               1 :   header()->routing = header()->type = header()->flags = 0;
      24                 : #if defined(OS_POSIX)
      25               1 :   header()->num_fds = 0;
      26                 : #endif
      27               1 :   InitLoggingVariables();
      28               1 : }
      29                 : 
      30               1 : Message::Message(int32 routing_id, msgid_t type, PriorityValue priority,
      31                 :                  const char* const name)
      32               1 :     : Pickle(sizeof(Header)) {
      33               1 :   header()->routing = routing_id;
      34               1 :   header()->type = type;
      35               1 :   header()->flags = priority;
      36                 : #if defined(OS_POSIX)
      37               1 :   header()->num_fds = 0;
      38                 : #endif
      39               1 :   header()->rpc_remote_stack_depth_guess = static_cast<uint32>(-1);
      40               1 :   header()->rpc_local_stack_depth = static_cast<uint32>(-1);
      41               1 :   header()->seqno = 0;
      42               1 :   InitLoggingVariables(name);
      43               1 : }
      44                 : 
      45               0 : Message::Message(const char* data, int data_len) : Pickle(data, data_len) {
      46               0 :   InitLoggingVariables();
      47               0 : }
      48                 : 
      49               0 : Message::Message(const Message& other) : Pickle(other) {
      50               0 :   InitLoggingVariables(other.name_);
      51                 : #if defined(OS_POSIX)
      52               0 :   file_descriptor_set_ = other.file_descriptor_set_;
      53                 : #endif
      54               0 : }
      55                 : 
      56               2 : void Message::InitLoggingVariables(const char* const name) {
      57               2 :   name_ = name;
      58                 : #ifdef IPC_MESSAGE_LOG_ENABLED
      59               2 :   received_time_ = 0;
      60               2 :   dont_log_ = false;
      61               2 :   log_data_ = NULL;
      62                 : #endif
      63               2 : }
      64                 : 
      65               0 : Message& Message::operator=(const Message& other) {
      66               0 :   *static_cast<Pickle*>(this) = other;
      67               0 :   InitLoggingVariables(other.name_);
      68                 : #if defined(OS_POSIX)
      69               0 :   file_descriptor_set_ = other.file_descriptor_set_;
      70                 : #endif
      71               0 :   return *this;
      72                 : }
      73                 : 
      74                 : #ifdef IPC_MESSAGE_LOG_ENABLED
      75               0 : void Message::set_sent_time(int64 time) {
      76               0 :   DCHECK((header()->flags & HAS_SENT_TIME_BIT) == 0);
      77               0 :   header()->flags |= HAS_SENT_TIME_BIT;
      78               0 :   WriteInt64(time);
      79               0 : }
      80                 : 
      81               0 : int64 Message::sent_time() const {
      82               0 :   if ((header()->flags & HAS_SENT_TIME_BIT) == 0)
      83               0 :     return 0;
      84                 : 
      85               0 :   const char* data = end_of_payload();
      86               0 :   data -= sizeof(int64);
      87               0 :   return *(reinterpret_cast<const int64*>(data));
      88                 : }
      89                 : 
      90               0 : void Message::set_received_time(int64 time) const {
      91               0 :   received_time_ = time;
      92               0 : }
      93                 : #endif
      94                 : 
      95                 : #if defined(OS_POSIX)
      96               0 : bool Message::WriteFileDescriptor(const base::FileDescriptor& descriptor) {
      97                 :   // We write the index of the descriptor so that we don't have to
      98                 :   // keep the current descriptor as extra decoding state when deserialising.
      99               0 :   WriteInt(file_descriptor_set()->size());
     100               0 :   if (descriptor.auto_close) {
     101               0 :     return file_descriptor_set()->AddAndAutoClose(descriptor.fd);
     102                 :   } else {
     103               0 :     return file_descriptor_set()->Add(descriptor.fd);
     104                 :   }
     105                 : }
     106                 : 
     107               0 : bool Message::ReadFileDescriptor(void** iter,
     108                 :                                 base::FileDescriptor* descriptor) const {
     109                 :   int descriptor_index;
     110               0 :   if (!ReadInt(iter, &descriptor_index))
     111               0 :     return false;
     112                 : 
     113               0 :   FileDescriptorSet* file_descriptor_set = file_descriptor_set_.get();
     114               0 :   if (!file_descriptor_set)
     115               0 :     return false;
     116                 : 
     117               0 :   descriptor->fd = file_descriptor_set->GetDescriptorAt(descriptor_index);
     118               0 :   descriptor->auto_close = false;
     119                 : 
     120               0 :   return descriptor->fd >= 0;
     121                 : }
     122                 : 
     123               0 : void Message::EnsureFileDescriptorSet() {
     124               0 :   if (file_descriptor_set_.get() == NULL)
     125               0 :     file_descriptor_set_ = new FileDescriptorSet;
     126               0 : }
     127                 : 
     128                 : #endif
     129                 : 
     130                 : }  // namespace IPC

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