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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 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 | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef BIN_EVENTHANDLER_LINUX_H_ | 5 #ifndef BIN_EVENTHANDLER_LINUX_H_ |
6 #define BIN_EVENTHANDLER_LINUX_H_ | 6 #define BIN_EVENTHANDLER_LINUX_H_ |
7 | 7 |
8 #if !defined(BIN_EVENTHANDLER_H_) | 8 #if !defined(BIN_EVENTHANDLER_H_) |
9 #error Do not include eventhandler_linux.h directly; use eventhandler.h instead. | 9 #error Do not include eventhandler_linux.h directly; use eventhandler.h instead. |
10 #endif | 10 #endif |
11 | 11 |
12 #include <unistd.h> | 12 #include <unistd.h> |
13 #include <sys/socket.h> | 13 #include <sys/socket.h> |
14 | 14 |
15 #include "bin/thread_pool.h" | 15 #include "bin/hashmap.h" |
16 | 16 |
17 class InterruptMessage { | 17 class InterruptMessage { |
18 public: | 18 public: |
19 intptr_t id; | 19 intptr_t id; |
20 Dart_Port dart_port; | 20 Dart_Port dart_port; |
21 int64_t data; | 21 int64_t data; |
22 }; | 22 }; |
23 | 23 |
24 | 24 |
25 enum PortDataFlags { | 25 enum PortDataFlags { |
26 kClosedRead = 0, | 26 kClosedRead = 0, |
27 kClosedWrite = 1, | 27 kClosedWrite = 1, |
28 }; | 28 }; |
29 | 29 |
30 | 30 |
31 class SocketData { | 31 class SocketData { |
32 public: | 32 public: |
| 33 explicit SocketData(intptr_t fd) : fd_(fd), port_(0), mask_(0), flags_(0) { |
| 34 ASSERT(fd_ != -1); |
| 35 } |
| 36 |
33 intptr_t GetPollEvents(); | 37 intptr_t GetPollEvents(); |
34 | 38 |
35 void Unregister() { | 39 void Unregister() { |
36 port_ = 0; | 40 port_ = 0; |
37 mask_ = 0; | 41 mask_ = 0; |
38 } | 42 } |
39 | 43 |
40 void ShutdownRead() { | 44 void ShutdownRead() { |
41 shutdown(fd_, SHUT_RD); | 45 shutdown(fd_, SHUT_RD); |
42 MarkClosedRead(); | 46 MarkClosedRead(); |
(...skipping 21 matching lines...) Expand all Loading... |
64 | 68 |
65 bool HasPollEvents() { return mask_ != 0; } | 69 bool HasPollEvents() { return mask_ != 0; } |
66 | 70 |
67 void SetPortAndMask(Dart_Port port, intptr_t mask) { | 71 void SetPortAndMask(Dart_Port port, intptr_t mask) { |
68 ASSERT(fd_ != -1); | 72 ASSERT(fd_ != -1); |
69 port_ = port; | 73 port_ = port; |
70 mask_ = mask; | 74 mask_ = mask; |
71 } | 75 } |
72 | 76 |
73 intptr_t fd() { return fd_; } | 77 intptr_t fd() { return fd_; } |
74 void set_fd(intptr_t fd) { fd_ = fd; } | |
75 Dart_Port port() { return port_; } | 78 Dart_Port port() { return port_; } |
76 intptr_t mask() { return mask_; } | 79 intptr_t mask() { return mask_; } |
77 | 80 |
78 private: | 81 private: |
79 intptr_t fd_; | 82 intptr_t fd_; |
80 Dart_Port port_; | 83 Dart_Port port_; |
81 intptr_t mask_; | 84 intptr_t mask_; |
82 intptr_t flags_; | 85 intptr_t flags_; |
83 }; | 86 }; |
84 | 87 |
85 | 88 |
86 class EventHandlerImplementation { | 89 class EventHandlerImplementation { |
87 public: | 90 public: |
88 EventHandlerImplementation(); | 91 EventHandlerImplementation(); |
89 ~EventHandlerImplementation(); | 92 ~EventHandlerImplementation(); |
90 | 93 |
| 94 // Gets the socket data structure for a given file |
| 95 // descriptor. Creates a new one of one is not found. |
91 SocketData* GetSocketData(intptr_t fd); | 96 SocketData* GetSocketData(intptr_t fd); |
92 void SendData(intptr_t id, Dart_Port dart_port, intptr_t data); | 97 void SendData(intptr_t id, Dart_Port dart_port, intptr_t data); |
93 void StartEventHandler(); | 98 void StartEventHandler(); |
94 | 99 |
95 private: | 100 private: |
96 intptr_t GetTimeout(); | 101 intptr_t GetTimeout(); |
97 bool GetInterruptMessage(InterruptMessage* msg); | 102 bool GetInterruptMessage(InterruptMessage* msg); |
98 struct pollfd* GetPollFds(intptr_t* size); | 103 struct pollfd* GetPollFds(intptr_t* size); |
99 void HandleEvents(struct pollfd* pollfds, int pollfds_size, int result_size); | 104 void HandleEvents(struct pollfd* pollfds, int pollfds_size, int result_size); |
100 void HandleTimeout(); | 105 void HandleTimeout(); |
101 static void* Poll(void* args); | 106 static void* Poll(void* args); |
102 void WakeupHandler(intptr_t id, Dart_Port dart_port, int64_t data); | 107 void WakeupHandler(intptr_t id, Dart_Port dart_port, int64_t data); |
103 void HandleInterruptFd(); | 108 void HandleInterruptFd(); |
104 void SetPort(intptr_t fd, Dart_Port dart_port, intptr_t mask); | 109 void SetPort(intptr_t fd, Dart_Port dart_port, intptr_t mask); |
105 intptr_t GetPollEvents(struct pollfd* pollfd); | 110 intptr_t GetPollEvents(struct pollfd* pollfd); |
| 111 static void* GetHashmapKeyFromFd(intptr_t fd); |
| 112 static uint32_t GetHashmapHashFromFd(intptr_t fd); |
106 | 113 |
107 SocketData* socket_map_; | 114 HashMap socket_map_; |
108 intptr_t socket_map_size_; | |
109 int64_t timeout_; // Time for next timeout. | 115 int64_t timeout_; // Time for next timeout. |
110 Dart_Port timeout_port_; | 116 Dart_Port timeout_port_; |
111 int interrupt_fds_[2]; | 117 int interrupt_fds_[2]; |
112 }; | 118 }; |
113 | 119 |
114 | 120 |
115 #endif // BIN_EVENTHANDLER_LINUX_H_ | 121 #endif // BIN_EVENTHANDLER_LINUX_H_ |
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