barrier/CClient.cpp

288 lines
7.0 KiB
C++

#include "CClient.h"
#include "CString.h"
#include "TMethodJob.h"
#include "IScreen.h"
#include "ISocket.h"
#include "CMessageSocket.h"
#include "CSocketFactory.h"
#include "IEventQueue.h"
#include "CEvent.h"
#include "CTrace.h"
#include <assert.h>
//
// CClient
//
CClient::CClient(IScreen* screen) : m_screen(screen),
m_socket(NULL)
{
assert(m_screen != NULL);
assert(!m_screen->getName().empty());
}
CClient::~CClient()
{
assert(m_socket == NULL);
}
void CClient::run(const CString& hostname)
{
assert(m_socket == NULL);
try {
// create socket and
m_socket = CSOCKETFACTORY->create();
m_socket->setWriteJob(new TMethodJob<CClient>(this,
&CClient::onConnect));
TRACE(("connecting to %s...", hostname.c_str()));
m_socket->connect(hostname, 40001); // CProtocol::kDefaultPort
bool m_done = false; // FIXME
IEventQueue* queue = CEQ;
while (!m_done) {
// wait for connection, network messages, and events
queue->wait(-1.0);
// handle events
while (!queue->isEmpty()) {
// get the next event
CEvent event;
queue->pop(&event);
// handle it
switch (event.m_any.m_type) {
case CEventBase::kScreenSize: {
sendScreenSize();
break;
}
case CEventBase::kNull:
case CEventBase::kKeyDown:
case CEventBase::kKeyRepeat:
case CEventBase::kKeyUp:
case CEventBase::kMouseDown:
case CEventBase::kMouseUp:
case CEventBase::kMouseMove:
case CEventBase::kMouseWheel:
// FIXME -- other cases
break;
}
}
}
delete m_socket;
m_socket = NULL;
}
catch (...) {
delete m_socket;
m_socket = NULL;
throw;
}
}
void CClient::onConnect()
{
TRACE(("connected"));
// say hello
const CString name(m_screen->getName());
char buf[512];
memcpy(buf, "SYNERGY\000\001", 9);
buf[9] = static_cast<char>(name.length());
memcpy(buf + 10, name.c_str(), name.length());
m_socket->write(buf, 10 + name.length());
// handle messages
m_socket->setWriteJob(NULL);
m_socket = new CMessageSocket(m_socket);
m_socket->setReadJob(new TMethodJob<CClient>(this, &CClient::onRead));
}
void CClient::onRead()
{
char buf[512];
SInt32 n = m_socket->read(buf, sizeof(buf));
if (n == -1) {
// disconnect
TRACE(("hangup"));
}
else if (n > 0) {
TRACE(("msg: 0x%02x length %d", buf[0], n));
switch (buf[0]) {
case '\002':
TRACE((" open"));
// open the screen
m_screen->open(buf[1] != 0);
// send initial size
sendScreenSize();
break;
case '\003':
TRACE((" close"));
m_screen->close();
break;
case '\004': {
const SInt32 x = static_cast<SInt32>(
(static_cast<UInt32>(buf[1]) << 24) +
(static_cast<UInt32>(buf[2]) << 16) +
(static_cast<UInt32>(buf[3]) << 8) +
(static_cast<UInt32>(buf[4]) ));
const SInt32 y = static_cast<SInt32>(
(static_cast<UInt32>(buf[5]) << 24) +
(static_cast<UInt32>(buf[6]) << 16) +
(static_cast<UInt32>(buf[7]) << 8) +
(static_cast<UInt32>(buf[8]) ));
TRACE((" enter: %d,%d", x, y));
m_screen->enterScreen(x, y);
break;
}
case '\005':
TRACE((" leave"));
m_screen->leaveScreen();
break;
case '\007': {
const KeyID k = static_cast<KeyID>(
(static_cast<UInt32>(buf[1]) << 24) +
(static_cast<UInt32>(buf[2]) << 16) +
(static_cast<UInt32>(buf[3]) << 8) +
(static_cast<UInt32>(buf[4]) ));
TRACE((" key down: %d", k));
m_screen->onKeyDown(k);
break;
}
case '\010': {
const KeyID k = static_cast<KeyID>(
(static_cast<UInt32>(buf[1]) << 24) +
(static_cast<UInt32>(buf[2]) << 16) +
(static_cast<UInt32>(buf[3]) << 8) +
(static_cast<UInt32>(buf[4]) ));
const SInt32 n = static_cast<SInt32>(
(static_cast<UInt32>(buf[5]) << 24) +
(static_cast<UInt32>(buf[6]) << 16) +
(static_cast<UInt32>(buf[7]) << 8) +
(static_cast<UInt32>(buf[8]) ));
TRACE((" key repeat: %d x%d", k, n));
m_screen->onKeyRepeat(k, n);
break;
}
case '\011': {
const KeyID k = static_cast<KeyID>(
(static_cast<UInt32>(buf[1]) << 24) +
(static_cast<UInt32>(buf[2]) << 16) +
(static_cast<UInt32>(buf[3]) << 8) +
(static_cast<UInt32>(buf[4]) ));
TRACE((" key up: %d", k));
m_screen->onKeyUp(k);
break;
}
case '\012': {
const KeyToggleMask m = static_cast<KeyToggleMask>(
(static_cast<UInt32>(buf[1]) << 8) +
(static_cast<UInt32>(buf[2]) ));
TRACE((" key toggle: 0x%04x", m));
m_screen->onKeyToggle(m);
break;
}
case '\013': {
const ButtonID b = static_cast<ButtonID>(
static_cast<UInt32>(buf[1]));
TRACE((" mouse down: %d", b));
m_screen->onMouseDown(b);
break;
}
case '\014': {
const ButtonID b = static_cast<ButtonID>(
static_cast<UInt32>(buf[1]));
TRACE((" mouse up: %d", b));
m_screen->onMouseUp(b);
break;
}
case '\015': {
const SInt32 x = static_cast<SInt32>(
(static_cast<UInt32>(buf[1]) << 24) +
(static_cast<UInt32>(buf[2]) << 16) +
(static_cast<UInt32>(buf[3]) << 8) +
(static_cast<UInt32>(buf[4]) ));
const SInt32 y = static_cast<SInt32>(
(static_cast<UInt32>(buf[5]) << 24) +
(static_cast<UInt32>(buf[6]) << 16) +
(static_cast<UInt32>(buf[7]) << 8) +
(static_cast<UInt32>(buf[8]) ));
TRACE((" mouse move: %d,%d", x, y));
m_screen->onMouseMove(x, y);
break;
}
case '\016': {
const SInt32 n = static_cast<SInt32>(
(static_cast<UInt32>(buf[1]) << 24) +
(static_cast<UInt32>(buf[2]) << 16) +
(static_cast<UInt32>(buf[3]) << 8) +
(static_cast<UInt32>(buf[4]) ));
TRACE((" mouse wheel: %d", n));
m_screen->onMouseWheel(n);
break;
}
case '\017': {
TRACE((" screen saver: %s", buf[1] ? "on" : "off"));
m_screen->onScreenSaver(buf[1] != 0);
break;
}
case '\020': {
const SInt32 x = static_cast<SInt32>(
(static_cast<UInt32>(buf[1]) << 24) +
(static_cast<UInt32>(buf[2]) << 16) +
(static_cast<UInt32>(buf[3]) << 8) +
(static_cast<UInt32>(buf[4]) ));
const SInt32 y = static_cast<SInt32>(
(static_cast<UInt32>(buf[5]) << 24) +
(static_cast<UInt32>(buf[6]) << 16) +
(static_cast<UInt32>(buf[7]) << 8) +
(static_cast<UInt32>(buf[8]) ));
TRACE((" warp: %d,%d", x, y));
m_screen->warpCursor(x, y);
break;
}
default:
TRACE((" unknown message"));
}
}
}
void CClient::sendScreenSize()
{
// get the size
SInt32 w, h;
m_screen->getSize(&w, &h);
// send it
char buf[9];
memcpy(buf, "\201", 1);
buf[1] = static_cast<char>((w >> 24) & 0xff);
buf[2] = static_cast<char>((w >> 16) & 0xff);
buf[3] = static_cast<char>((w >> 8) & 0xff);
buf[4] = static_cast<char>(w & 0xff);
buf[5] = static_cast<char>((h >> 24) & 0xff);
buf[6] = static_cast<char>((h >> 16) & 0xff);
buf[7] = static_cast<char>((h >> 8) & 0xff);
buf[8] = static_cast<char>(h & 0xff);
m_socket->write(buf, sizeof(buf));
}