OLD | NEW |
1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "mojo/public/bindings/lib/connector.h" | 5 #include "mojo/public/bindings/lib/connector.h" |
6 | 6 |
7 #include <assert.h> | 7 #include <assert.h> |
8 #include <stdlib.h> | 8 #include <stdlib.h> |
9 | 9 |
10 #include <algorithm> | 10 #include <algorithm> |
(...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
48 void Connector::OnHandleReady(Callback* callback, MojoResult result) { | 48 void Connector::OnHandleReady(Callback* callback, MojoResult result) { |
49 if (callback == &read_callback_) | 49 if (callback == &read_callback_) |
50 ReadMore(); | 50 ReadMore(); |
51 if (callback == &write_callback_) | 51 if (callback == &write_callback_) |
52 WriteMore(); | 52 WriteMore(); |
53 } | 53 } |
54 | 54 |
55 void Connector::WaitToReadMore() { | 55 void Connector::WaitToReadMore() { |
56 read_callback_.SetOwnerToNotify(this); | 56 read_callback_.SetOwnerToNotify(this); |
57 read_callback_.SetAsyncWaitID( | 57 read_callback_.SetAsyncWaitID( |
58 BindingsSupport::Get()->AsyncWait(message_pipe_, | 58 BindingsSupport::Get()->AsyncWait(message_pipe_.get(), |
59 MOJO_WAIT_FLAG_READABLE, | 59 MOJO_WAIT_FLAG_READABLE, |
60 &read_callback_)); | 60 &read_callback_)); |
61 } | 61 } |
62 | 62 |
63 void Connector::WaitToWriteMore() { | 63 void Connector::WaitToWriteMore() { |
64 write_callback_.SetOwnerToNotify(this); | 64 write_callback_.SetOwnerToNotify(this); |
65 write_callback_.SetAsyncWaitID( | 65 write_callback_.SetAsyncWaitID( |
66 BindingsSupport::Get()->AsyncWait(message_pipe_, | 66 BindingsSupport::Get()->AsyncWait(message_pipe_.get(), |
67 MOJO_WAIT_FLAG_WRITABLE, | 67 MOJO_WAIT_FLAG_WRITABLE, |
68 &write_callback_)); | 68 &write_callback_)); |
69 } | 69 } |
70 | 70 |
71 void Connector::ReadMore() { | 71 void Connector::ReadMore() { |
72 for (;;) { | 72 for (;;) { |
73 MojoResult rv; | 73 MojoResult rv; |
74 | 74 |
75 uint32_t num_bytes = 0, num_handles = 0; | 75 uint32_t num_bytes = 0, num_handles = 0; |
76 rv = ReadMessageRaw(message_pipe_, | 76 rv = ReadMessageRaw(message_pipe_.get(), |
77 NULL, | 77 NULL, |
78 &num_bytes, | 78 &num_bytes, |
79 NULL, | 79 NULL, |
80 &num_handles, | 80 &num_handles, |
81 MOJO_READ_MESSAGE_FLAG_NONE); | 81 MOJO_READ_MESSAGE_FLAG_NONE); |
82 if (rv == MOJO_RESULT_NOT_FOUND) { | 82 if (rv == MOJO_RESULT_NOT_FOUND) { |
83 WaitToReadMore(); | 83 WaitToReadMore(); |
84 break; | 84 break; |
85 } | 85 } |
86 if (rv != MOJO_RESULT_RESOURCE_EXHAUSTED) { | 86 if (rv != MOJO_RESULT_RESOURCE_EXHAUSTED) { |
87 error_ = true; | 87 error_ = true; |
88 break; | 88 break; |
89 } | 89 } |
90 | 90 |
91 Message message; | 91 Message message; |
92 message.data = static_cast<MessageData*>(malloc(num_bytes)); | 92 message.data = static_cast<MessageData*>(malloc(num_bytes)); |
93 message.handles.resize(num_handles); | 93 message.handles.resize(num_handles); |
94 | 94 |
95 rv = ReadMessageRaw(message_pipe_, | 95 rv = ReadMessageRaw(message_pipe_.get(), |
96 message.data, | 96 message.data, |
97 &num_bytes, | 97 &num_bytes, |
98 message.handles.empty() ? NULL : | 98 message.handles.empty() ? NULL : |
99 reinterpret_cast<MojoHandle*>(&message.handles[0]), | 99 reinterpret_cast<MojoHandle*>(&message.handles[0]), |
100 &num_handles, | 100 &num_handles, |
101 MOJO_READ_MESSAGE_FLAG_NONE); | 101 MOJO_READ_MESSAGE_FLAG_NONE); |
102 if (rv != MOJO_RESULT_OK) { | 102 if (rv != MOJO_RESULT_OK) { |
103 error_ = true; | 103 error_ = true; |
104 break; | 104 break; |
105 } | 105 } |
(...skipping 16 matching lines...) Expand all Loading... |
122 } | 122 } |
123 | 123 |
124 void Connector::WriteOne(Message* message, bool* wait_to_write) { | 124 void Connector::WriteOne(Message* message, bool* wait_to_write) { |
125 // TODO(darin): WriteMessageRaw will eventually start generating an error that | 125 // TODO(darin): WriteMessageRaw will eventually start generating an error that |
126 // it cannot accept more data. In that case, we'll need to wait on the pipe | 126 // it cannot accept more data. In that case, we'll need to wait on the pipe |
127 // to determine when we can try writing again. This flag will be set to true | 127 // to determine when we can try writing again. This flag will be set to true |
128 // in that case. | 128 // in that case. |
129 *wait_to_write = false; | 129 *wait_to_write = false; |
130 | 130 |
131 MojoResult rv = WriteMessageRaw( | 131 MojoResult rv = WriteMessageRaw( |
132 message_pipe_, | 132 message_pipe_.get(), |
133 message->data, | 133 message->data, |
134 message->data->header.num_bytes, | 134 message->data->header.num_bytes, |
135 message->handles.empty() ? NULL : | 135 message->handles.empty() ? NULL : |
136 reinterpret_cast<const MojoHandle*>(&message->handles[0]), | 136 reinterpret_cast<const MojoHandle*>(&message->handles[0]), |
137 static_cast<uint32_t>(message->handles.size()), | 137 static_cast<uint32_t>(message->handles.size()), |
138 MOJO_WRITE_MESSAGE_FLAG_NONE); | 138 MOJO_WRITE_MESSAGE_FLAG_NONE); |
139 if (rv == MOJO_RESULT_OK) { | 139 if (rv == MOJO_RESULT_OK) { |
140 // The handles were successfully transferred, so we don't need the message | 140 // The handles were successfully transferred, so we don't need the message |
141 // to track their lifetime any longer. | 141 // to track their lifetime any longer. |
142 message->handles.clear(); | 142 message->handles.clear(); |
(...skipping 24 matching lines...) Expand all Loading... |
167 } | 167 } |
168 | 168 |
169 void Connector::Callback::OnHandleReady(MojoResult result) { | 169 void Connector::Callback::OnHandleReady(MojoResult result) { |
170 assert(owner_); | 170 assert(owner_); |
171 Connector* owner = NULL; | 171 Connector* owner = NULL; |
172 std::swap(owner, owner_); | 172 std::swap(owner, owner_); |
173 owner->OnHandleReady(this, result); | 173 owner->OnHandleReady(this, result); |
174 } | 174 } |
175 | 175 |
176 } // namespace mojo | 176 } // namespace mojo |
OLD | NEW |