1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 /* 17 * JDWP internal interfaces. 18 */ 19 #ifndef ART_RUNTIME_JDWP_JDWP_PRIV_H_ 20 #define ART_RUNTIME_JDWP_JDWP_PRIV_H_ 21 22 #include "debugger.h" 23 #include "jdwp/jdwp.h" 24 #include "jdwp/jdwp_event.h" 25 26 #include <pthread.h> 27 #include <sys/uio.h> 28 29 /* 30 * JDWP constants. 31 */ 32 #define kJDWPHeaderLen 11 33 #define kJDWPFlagReply 0x80 34 35 #define kMagicHandshake "JDWP-Handshake" 36 #define kMagicHandshakeLen (sizeof(kMagicHandshake)-1) 37 38 /* DDM support */ 39 #define kJDWPDdmCmdSet 199 /* 0xc7, or 'G'+128 */ 40 #define kJDWPDdmCmd 1 41 42 namespace art { 43 44 namespace JDWP { 45 46 struct JdwpState; 47 48 bool InitSocketTransport(JdwpState*, const JdwpOptions*); 49 bool InitAdbTransport(JdwpState*, const JdwpOptions*); 50 51 /* 52 * Base class for the adb and socket JdwpNetState implementations. 53 */ 54 class JdwpNetStateBase { 55 public: 56 explicit JdwpNetStateBase(JdwpState*); 57 virtual ~JdwpNetStateBase(); 58 59 virtual bool Accept() = 0; 60 virtual bool Establish(const JdwpOptions*) = 0; 61 virtual void Shutdown() = 0; 62 virtual bool ProcessIncoming() = 0; 63 64 void ConsumeBytes(size_t byte_count); 65 66 bool IsConnected(); 67 68 bool IsAwaitingHandshake(); 69 70 void Close(); 71 72 ssize_t WritePacket(ExpandBuf* pReply, size_t length) LOCKS_EXCLUDED(socket_lock_); 73 ssize_t WriteBufferedPacket(const std::vector<iovec>& iov) LOCKS_EXCLUDED(socket_lock_); 74 75 int clientSock; // Active connection to debugger. 76 77 int wake_pipe_[2]; // Used to break out of select. 78 79 uint8_t input_buffer_[8192]; 80 size_t input_count_; 81 82 protected: 83 bool HaveFullPacket(); 84 85 bool MakePipe(); 86 void WakePipe(); 87 88 void SetAwaitingHandshake(bool new_state); 89 90 JdwpState* state_; 91 92 private: 93 // Used to serialize writes to the socket. 94 Mutex socket_lock_; 95 96 // Are we waiting for the JDWP handshake? 97 bool awaiting_handshake_; 98 }; 99 100 } // namespace JDWP 101 102 } // namespace art 103 104 #endif // ART_RUNTIME_JDWP_JDWP_PRIV_H_ 105