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Diffstat (limited to 'src/lib/ipc/IpcServerProxy.cpp')
| -rw-r--r-- | src/lib/ipc/IpcServerProxy.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/lib/ipc/IpcServerProxy.cpp b/src/lib/ipc/IpcServerProxy.cpp new file mode 100644 index 0000000..820e1ab --- /dev/null +++ b/src/lib/ipc/IpcServerProxy.cpp @@ -0,0 +1,123 @@ +/* + * barrier -- mouse and keyboard sharing utility + * Copyright (C) 2012-2016 Symless Ltd. + * Copyright (C) 2012 Nick Bolton + * + * This package is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * found in the file LICENSE that should have accompanied this file. + * + * This package is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "ipc/IpcServerProxy.h" + +#include "ipc/IpcMessage.h" +#include "ipc/Ipc.h" +#include "barrier/ProtocolUtil.h" +#include "io/IStream.h" +#include "base/TMethodEventJob.h" +#include "base/Log.h" + +// +// IpcServerProxy +// + +IpcServerProxy::IpcServerProxy(barrier::IStream& stream, IEventQueue* events) : + m_stream(stream), + m_events(events) +{ + m_events->adoptHandler(m_events->forIStream().inputReady(), + stream.getEventTarget(), + new TMethodEventJob<IpcServerProxy>( + this, &IpcServerProxy::handleData)); +} + +IpcServerProxy::~IpcServerProxy() +{ + m_events->removeHandler(m_events->forIStream().inputReady(), + m_stream.getEventTarget()); +} + +void +IpcServerProxy::handleData(const Event&, void*) +{ + LOG((CLOG_DEBUG "start ipc handle data")); + + UInt8 code[4]; + UInt32 n = m_stream.read(code, 4); + while (n != 0) { + + LOG((CLOG_DEBUG "ipc read: %c%c%c%c", + code[0], code[1], code[2], code[3])); + + IpcMessage* m = nullptr; + if (memcmp(code, kIpcMsgLogLine, 4) == 0) { + m = parseLogLine(); + } + else if (memcmp(code, kIpcMsgShutdown, 4) == 0) { + m = new IpcShutdownMessage(); + } + else { + LOG((CLOG_ERR "invalid ipc message")); + disconnect(); + } + + // don't delete with this event; the data is passed to a new event. + Event e(m_events->forIpcServerProxy().messageReceived(), this, NULL, Event::kDontFreeData); + e.setDataObject(m); + m_events->addEvent(e); + + n = m_stream.read(code, 4); + } + + LOG((CLOG_DEBUG "finished ipc handle data")); +} + +void +IpcServerProxy::send(const IpcMessage& message) +{ + LOG((CLOG_DEBUG4 "ipc write: %d", message.type())); + + switch (message.type()) { + case kIpcHello: { + const IpcHelloMessage& hm = static_cast<const IpcHelloMessage&>(message); + ProtocolUtil::writef(&m_stream, kIpcMsgHello, hm.clientType()); + break; + } + + case kIpcCommand: { + const IpcCommandMessage& cm = static_cast<const IpcCommandMessage&>(message); + const String command = cm.command(); + ProtocolUtil::writef(&m_stream, kIpcMsgCommand, &command); + break; + } + + default: + LOG((CLOG_ERR "ipc message not supported: %d", message.type())); + break; + } +} + +IpcLogLineMessage* +IpcServerProxy::parseLogLine() +{ + String logLine; + ProtocolUtil::readf(&m_stream, kIpcMsgLogLine + 4, &logLine); + + // must be deleted by event handler. + return new IpcLogLineMessage(logLine); +} + +void +IpcServerProxy::disconnect() +{ + LOG((CLOG_DEBUG "ipc disconnect, closing stream")); + m_stream.close(); +} |
