| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: sckint.h |
| 3 | // Purpose: Socket internal classes |
| 4 | // Author: Guilhem Lavaux |
| 5 | // Modified by: |
| 6 | // Created: April 1999 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Guilhem Lavaux |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | #ifndef _WX_NETWORK_SOCKET_INT_H |
| 12 | #define _WX_NETWORK_SOCKET_INT_H |
| 13 | |
| 14 | #ifdef __GNUG__ |
| 15 | #pragma interface |
| 16 | #endif |
| 17 | |
| 18 | #if wxUSE_SOCKETS |
| 19 | |
| 20 | #include <wx/object.h> |
| 21 | #include <wx/list.h> |
| 22 | #include <wx/socket.h> |
| 23 | #include <wx/thread.h> |
| 24 | |
| 25 | // Socket state |
| 26 | class SocketState |
| 27 | { |
| 28 | public: |
| 29 | // TRUE if the background notifyier is on. |
| 30 | bool notify_state; |
| 31 | // Specifies which events we want to be notified. |
| 32 | wxSocketBase::wxRequestNotify evt_notify_state; |
| 33 | // Socket flags. |
| 34 | wxSocketBase::wxSockFlags socket_flags; |
| 35 | // Pointer to the C callback function. |
| 36 | wxSocketBase::wxSockCbk c_callback; |
| 37 | char *c_callback_data; |
| 38 | }; |
| 39 | |
| 40 | // Socket request |
| 41 | class SockRequest |
| 42 | { |
| 43 | public: |
| 44 | // Buffer where to get/put data. |
| 45 | char *buffer; |
| 46 | // Size of the buffer. |
| 47 | size_t size; |
| 48 | // Number of bytes really read/written. |
| 49 | size_t io_nbytes; |
| 50 | // Error. |
| 51 | unsigned int error; |
| 52 | // Type of the request. |
| 53 | wxSocketBase::wxRequestNotify type; |
| 54 | // Timeout (in milliseconds). |
| 55 | unsigned int timeout; |
| 56 | // TRUE if the buffer has been processed. |
| 57 | bool done; |
| 58 | // TRUE if we must wait for the request completion, in the other case an |
| 59 | // event will be sent to the main thread when the request is finished. |
| 60 | bool wait; |
| 61 | }; |
| 62 | |
| 63 | class wxSocketInternal; |
| 64 | |
| 65 | #if wxUSE_THREADS |
| 66 | class SocketWaiter: public wxThread { |
| 67 | public: |
| 68 | SocketWaiter(wxSocketBase *socket, wxSocketInternal *internal); |
| 69 | ~SocketWaiter(); |
| 70 | |
| 71 | // Thread Entry point |
| 72 | // --- |
| 73 | virtual void *Entry(); |
| 74 | |
| 75 | protected: |
| 76 | void ProcessReadEvent(); |
| 77 | void ProcessWriteEvent(); |
| 78 | |
| 79 | public: |
| 80 | wxSocketBase *m_socket; |
| 81 | wxSocketInternal *m_internal; |
| 82 | int m_fd; |
| 83 | }; |
| 84 | |
| 85 | class SocketRequester |
| 86 | #if wxUSE_THREADS |
| 87 | : public wxThread |
| 88 | #endif |
| 89 | { |
| 90 | public: |
| 91 | SocketRequester(wxSocketBase *socket, wxSocketInternal *internal); |
| 92 | ~SocketRequester(); |
| 93 | |
| 94 | void ProcessWaitEvent(SockRequest *req); |
| 95 | void ProcessReadEvent(SockRequest *req); |
| 96 | void ProcessWriteEvent(SockRequest *req); |
| 97 | |
| 98 | bool WaitFor(wxSocketBase::wxRequestNotify req, int millisec); |
| 99 | |
| 100 | // Thread Entry point |
| 101 | // --- |
| 102 | virtual void *Entry(); |
| 103 | |
| 104 | public: |
| 105 | wxSocketBase *m_socket; |
| 106 | wxSocketInternal *m_internal; |
| 107 | int m_fd; |
| 108 | }; |
| 109 | #endif |
| 110 | // wxUSE_THREADS |
| 111 | |
| 112 | class wxSocketInternal { |
| 113 | public: |
| 114 | wxSocketInternal(wxSocketBase *socket); |
| 115 | ~wxSocketInternal(); |
| 116 | |
| 117 | // wxSocket thread manager |
| 118 | // ----------------------- |
| 119 | void AcquireData(); |
| 120 | void ReleaseData(); |
| 121 | void AcquireFD(); |
| 122 | void ReleaseFD(); |
| 123 | |
| 124 | int GetFD() { return m_fd; } |
| 125 | void SetFD(int fd) { m_fd = fd; } |
| 126 | |
| 127 | void ResumeWaiter(); |
| 128 | void StopWaiter(); |
| 129 | void ResumeRequester(); |
| 130 | void StopRequester(); |
| 131 | |
| 132 | void QueueRequest(SockRequest *request, bool async); |
| 133 | void WaitForEnd(SockRequest *request); |
| 134 | |
| 135 | SockRequest *WaitForReq(); |
| 136 | void EndRequest(SockRequest *req); |
| 137 | public: |
| 138 | wxSocketBase *m_socket; |
| 139 | #if wxUSE_THREADS |
| 140 | wxMutex m_socket_locker, m_fd_locker, m_request_locker, m_end_requester; |
| 141 | wxCondition m_socket_cond; |
| 142 | SocketWaiter *m_thread_waiter; |
| 143 | #endif |
| 144 | SocketRequester *m_thread_requester; |
| 145 | wxList m_requests; |
| 146 | int m_fd; |
| 147 | bool m_invalid_requester; |
| 148 | }; |
| 149 | |
| 150 | #endif |
| 151 | // wxUSE_SOCKETS |
| 152 | |
| 153 | #endif |
| 154 | // _WX_NETWORK_SOCKET_INT_H |