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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 |
| 5 #ifndef BIN_DBG_CONNECTION_H_ |
| 6 #define BIN_DBG_CONNECTION_H_ |
| 7 |
| 8 #include "bin/builtin.h" |
| 9 #include "bin/utils.h" |
| 10 |
| 11 #include "include/dart_debugger_api.h" |
| 12 |
| 13 #include "platform/globals.h" |
| 14 #include "platform/thread.h" |
| 15 // Declare the OS-specific types ahead of defining the generic class. |
| 16 #if defined(TARGET_OS_LINUX) |
| 17 #include "bin/dbg_connection_linux.h" |
| 18 #elif defined(TARGET_OS_MACOS) |
| 19 #include "bin/dbg_connection_macos.h" |
| 20 #elif defined(TARGET_OS_WINDOWS) |
| 21 #include "bin/dbg_connection_win.h" |
| 22 #else |
| 23 #error Unknown target os. |
| 24 #endif |
| 25 |
| 26 |
| 27 class MessageBuffer; |
| 28 |
| 29 class DebuggerConnectionHandler { |
| 30 public: |
| 31 ~DebuggerConnectionHandler(); |
| 32 static void StartHandler(const char* address, int port_number); |
| 33 |
| 34 static bool IsConnected() { |
| 35 return debugger_fd_ >= 0; |
| 36 } |
| 37 |
| 38 private: |
| 39 static void SendBreakpointEvent(Dart_Breakpoint bpt, Dart_StackTrace trace); |
| 40 static void BreakpointHandler(Dart_Breakpoint bpt, Dart_StackTrace trace); |
| 41 |
| 42 static void AcceptDbgConnection(int debug_fd); |
| 43 static void CloseDbgConnection(); |
| 44 |
| 45 static void HandleMessages(); |
| 46 static void HandleResumeCmd(); |
| 47 |
| 48 static bool handler_started_; |
| 49 |
| 50 // The socket that is listening for incoming debugger connections. |
| 51 // This descriptor is created and closed by a VM thread. |
| 52 static int listener_fd_; |
| 53 |
| 54 // The socket that connects with the debugger client. |
| 55 // The descriptor is created by the debugger connection thread and |
| 56 // closed by a VM thread. |
| 57 static int debugger_fd_; |
| 58 |
| 59 static MessageBuffer* msgbuf_; |
| 60 |
| 61 friend class DebuggerConnectionImpl; |
| 62 |
| 63 DISALLOW_ALLOCATION(); |
| 64 DISALLOW_IMPLICIT_CONSTRUCTORS(DebuggerConnectionHandler); |
| 65 }; |
| 66 |
| 67 #endif // BIN_DBG_CONNECTION_H_ |
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