void Connection::readyReadHandler()
{
while (true) {
size_t fileDescriptorsCount = 0;
size_t bytesToRead = m_readBuffer.size() - m_readBufferSize;
ssize_t bytesRead = readBytesFromSocket(m_socketDescriptor, m_readBuffer.data() + m_readBufferSize, bytesToRead,
m_fileDescriptors.data() + m_fileDescriptorsSize, &fileDescriptorsCount);
if (bytesRead < 0) {
// EINTR was already handled by readBytesFromSocket.
if (errno == EAGAIN || errno == EWOULDBLOCK)
return;
// FIXME: Handle other errors here?
return;
}
m_readBufferSize += bytesRead;
m_fileDescriptorsSize += fileDescriptorsCount;
if (!bytesRead) {
connectionDidClose();
return;
}
// Process messages from data received.
while (true) {
if (!processMessage())
break;
}
}
}
void Connection::readyReadHandler()
{
while (true) {
size_t fileDescriptorsCount = 0;
size_t bytesToRead = m_readBuffer.size() - m_readBufferSize;
ssize_t bytesRead = readBytesFromSocket(m_socketDescriptor, m_readBuffer.data() + m_readBufferSize, bytesToRead,
m_fileDescriptors.data() + m_fileDescriptorsSize, &fileDescriptorsCount);
if (bytesRead < 0) {
// EINTR was already handled by readBytesFromSocket.
if (errno == EAGAIN || errno == EWOULDBLOCK)
return;
WTFLogAlways("Error receiving IPC message on socket %d in process %d: %s", m_socketDescriptor, getpid(), strerror(errno));
connectionDidClose();
return;
}
m_readBufferSize += bytesRead;
m_fileDescriptorsSize += fileDescriptorsCount;
if (!bytesRead) {
connectionDidClose();
return;
}
// Process messages from data received.
while (true) {
if (!processMessage())
break;
}
}
}
void Connection::readEventHandler()
{
if (m_socket < 0)
return;
// Handle any previously unprocessed message.
if (!messageProcessingCompleted()) {
if ((m_pendingBytes -= readBytesFromSocket(m_socket, (m_readBuffer.data() + (m_currentMessageSize - m_pendingBytes)), m_pendingBytes)) > 0)
return;
// Message received completely. Process the message now.
processCompletedMessage();
}
// Prepare to read the next message.
uint8_t sizeBuffer[sizeof(size_t)];
memset(sizeBuffer, 0, sizeof(size_t));
while (messageProcessingCompleted()) {
if (readBytesFromSocket(m_socket, sizeBuffer, sizeof(size_t)))
m_currentMessageSize = *reinterpret_cast<size_t*>(sizeBuffer);
if (!m_currentMessageSize)
break;
if (m_readBuffer.size() < m_currentMessageSize)
m_readBuffer.grow(m_currentMessageSize);
m_pendingBytes = m_currentMessageSize - readBytesFromSocket(m_socket, m_readBuffer.data(), m_currentMessageSize);
if (m_pendingBytes > 0) // Message partially received.
break;
// Message received completely. Process the message now.
processCompletedMessage();
memset(sizeBuffer, 0, sizeof(size_t));
}
}
