void DebuggerProxy::processInterrupt(CmdInterrupt &cmd) {
TRACE(2, "DebuggerProxy::processInterrupt\n");
// Do the server-side work for this cmd, which just notifies the client.
if (!cmd.onServer(this)) {
Debugger::RemoveProxy(shared_from_this()); // on socket error
return;
}
// Wait for commands from the debugger client and process them. We'll stay
// here until we get a command that should cause the thread to continue.
while (true) {
DebuggerCommandPtr res;
while (!DebuggerCommand::Receive(m_thrift, res,
"DebuggerProxy::processInterrupt()")) {
// we will wait forever until DebuggerClient sends us something
checkStop();
}
checkStop();
if (res) {
// Any control flow command gets installed here and we continue execution.
m_flow = dynamic_pointer_cast<CmdFlowControl>(res);
if (m_flow) {
m_flow->onServer(this);
processFlowControl(cmd);
if (m_flow && m_threadMode == Normal) {
switchThreadMode(Sticky);
}
return;
}
if (res->is(DebuggerCommand::KindOfQuit)) {
Debugger::RemoveProxy(shared_from_this());
throw DebuggerClientExitException();
}
}
try {
// Perform the server-side work for this command.
if (!res || !res->onServer(this)) {
Debugger::RemoveProxy(shared_from_this());
return;
}
} catch (const DebuggerException &e) {
throw;
} catch (...) {
Logger::Error("onServer() throws non DebuggerException: %d",
res->getType());
Debugger::RemoveProxy(shared_from_this());
return;
}
if (res->shouldExitInterrupt()) {
return;
}
}
}
void DebuggerProxy::processInterrupt(CmdInterrupt &cmd) {
TRACE_RB(2, "DebuggerProxy::processInterrupt\n");
// Do the server-side work for this interrupt, which just notifies the client.
if (!cmd.onServer(*this)) {
TRACE_RB(1, "Failed to send CmdInterrupt to client\n");
Debugger::UsageLog("server", getSandboxId(), "ProxyError",
"Send interrupt");
stopAndThrow();
}
Debugger::UsageLogInterrupt("server", getSandboxId(), cmd);
// Wait for commands from the debugger client and process them. We'll stay
// here until we get a command that should cause the thread to continue.
while (true) {
DebuggerCommandPtr res;
while (!DebuggerCommand::Receive(m_thrift, res,
"DebuggerProxy::processInterrupt()")) {
// we will wait forever until DebuggerClient sends us something
checkStop();
}
checkStop();
if (res) {
TRACE_RB(2, "Proxy got cmd type %d\n", res->getType());
Debugger::UsageLog("server", getSandboxId(),
folly::to<std::string>(res->getType()));
// Any control flow command gets installed here and we continue execution.
m_flow = std::dynamic_pointer_cast<CmdFlowControl>(res);
if (m_flow) {
m_flow->onSetup(*this, cmd);
if (!m_flow->complete()) {
TRACE_RB(2, "Incomplete flow command %d remaining on proxy for "
"further processing\n", m_flow->getType());
if (m_threadMode == Normal) {
// We want the flow command to complete on the thread that
// starts it.
switchThreadMode(Sticky);
}
} else {
// The flow cmd has determined that it is done with its work and
// doesn't need to remain for later processing.
TRACE_RB(2, "Flow command %d completed\n", m_flow->getType());
m_flow.reset();
}
return;
}
if (res->is(DebuggerCommand::KindOfQuit)) {
TRACE_RB(2, "Received quit command\n");
res->onServer(*this); // acknowledge receipt so that client can quit.
stopAndThrow();
}
}
bool cmdFailure = false;
try {
// Perform the server-side work for this command.
if (res) {
if (!res->onServer(*this)) {
TRACE_RB(1, "Failed to execute cmd %d from client\n", res->getType());
Debugger::UsageLog("server", getSandboxId(), "ProxyError",
"Command failed");
cmdFailure = true;
}
} else {
TRACE_RB(1, "Failed to receive cmd from client\n");
Debugger::UsageLog("server", getSandboxId(), "ProxyError",
"Command receive failed");
cmdFailure = true;
}
} catch (const DebuggerException &e) {
throw;
} catch (const Object &o) {
Logger::Warning(DEBUGGER_LOG_TAG
"Cmd type %d onServer() threw a php exception %s",
res->getType(), o->getVMClass()->name()->data());
Debugger::UsageLog("server", getSandboxId(), "ProxyError",
"Command exception");
cmdFailure = true;
} catch (const std::exception& e) {
Logger::Warning(DEBUGGER_LOG_TAG
"Cmd type %d onServer() threw exception %s", res->getType(), e.what());
Debugger::UsageLog("server", getSandboxId(), "ProxyError",
"Command exception");
cmdFailure = true;
} catch (...) {
Logger::Warning(DEBUGGER_LOG_TAG
"Cmd type %d onServer() threw non standard exception", res->getType());
Debugger::UsageLog("server", getSandboxId(), "ProxyError",
"Command exception");
cmdFailure = true;
}
if (cmdFailure) stopAndThrow();
if (res->shouldExitInterrupt()) return;
}
}
