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; } }