// Ensure that we're connected to the PIME input method server
// If we are already connected, the method simply returns true;
// otherwise, it tries to establish the connection.
bool Client::connectServerPipe() {
if (pipe_ == INVALID_HANDLE_VALUE) { // the pipe is not connected
connectingServerPipe_ = true;
wstring serverPipeName = getPipeName(L"Launcher");
// try to connect to the server
pipe_ = connectPipe(serverPipeName.c_str());
if (pipe_ != INVALID_HANDLE_VALUE) { // successfully connected to the server
init(); // send initialization info to the server
if (isActivated_) {
// we lost connection while being activated previously
// re-initialize the whole text service.
// cleanup for the previous instance.
// remove all buttons
for (auto& item: buttons_) {
textService_->removeButton(item.second);
}
buttons_.clear();
// FIXME: other cleanup might also be needed
// activate the text service again.
onActivate();
}
}
connectingServerPipe_ = false;
return (pipe_ != INVALID_HANDLE_VALUE);
}
return true;
}
void IpcNode::sendData(const uint32_t address, const unsigned char * buffer, const std::size_t length)
{
auto it = activeClientPipes_.find(address);
if (it != activeClientPipes_.end())
{
ClientPipePtr pipe = it->second;
pipe->startSend(buffer, length);
}
else
{
//Create new client
ClientPipePtr pipe(new ClientPipe(mainIoService_, getPipeName(address).c_str(), address_));
pipe->setCallbacks(boost::bind(&IpcNode::onServerConnected, shared_from_this(), _1),
boost::bind(&IpcNode::onServerDisconnected, shared_from_this(), _1, _2),
boost::bind(&IpcNode::onClientSent, shared_from_this()));
pipe->ConnectToServer();
if (pipe->isOpen())
{
activeClientPipes_.insert(std::make_pair(address, pipe));
pipe->startSend(buffer, length);
}
}
}
void IpcNode::createServerPipe()
{
ServerPipePtr pipe(new ServerPipe(mainIoService_, getPipeName(address_).c_str()));
if (pipe->isOpen())
{
pipe->setCallbacks(boost::bind(&IpcNode::onClientConnected, shared_from_this(), _1, _2),
boost::bind(&IpcNode::onClientDisconnected, shared_from_this(), _1, _2),
boost::bind(&IpcNode::onServerReceived, shared_from_this(), _1, _2));
if (pipe->waitForConnection())
{
pendingConnections_.push_back(pipe);
}
}
else
{
LOG_ERR_R(IPC_PIPE_LOG_TAG, _T("Ipc server pipe cannot be created"));
}
}
