diff options
| author | George Hazan <george.hazan@gmail.com> | 2012-11-27 18:41:03 +0000 |
|---|---|---|
| committer | George Hazan <george.hazan@gmail.com> | 2012-11-27 18:41:03 +0000 |
| commit | 9070dd01ae46fa9187684b66405a751fb4822702 (patch) | |
| tree | 0c4b6dc600b17a55dafde419f5b50d99f1942729 /protocols/EmLanProto/src/lan.h | |
| parent | 75a2eab4a30c503df310118d0d75ff503d59e562 (diff) | |
adaptation of old good E-mage LAN proto
git-svn-id: http://svn.miranda-ng.org/main/trunk@2523 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'protocols/EmLanProto/src/lan.h')
| -rw-r--r-- | protocols/EmLanProto/src/lan.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/protocols/EmLanProto/src/lan.h b/protocols/EmLanProto/src/lan.h new file mode 100644 index 0000000000..e1a897cc20 --- /dev/null +++ b/protocols/EmLanProto/src/lan.h @@ -0,0 +1,128 @@ +//////////////////////////////////////////////////////////////////////////
+// Lan functions
+
+#ifndef __lan_h__
+#define __lan_h__
+
+#define MAKE_PORT(x) (HIBYTE(x)|(LOBYTE(x)<<8))
+
+#define MAX_INTERNAL_IP 32
+#define PORT_NUMBER MAKE_PORT(34074)
+
+#include "winsock2.h"
+
+//! Class for operating with LAN
+class CLan
+{
+public:
+ //! constructor
+ CLan();
+ //! destructor
+ ~CLan();
+
+ //! Helper function - returns status
+ int GetStatus() { return m_status; }
+ //! Helper function - returns mode
+ int GetMode() { return m_mode; }
+ //! Getting host addresses count
+ int GetHostAddrCount() { return m_hostAddrCount; }
+ //! Getting host addresses
+ in_addr GetHostAddress(int ind) { return m_hostAddr[ind]; }
+ //! Get current host address
+ in_addr GetCurHostAddress() { return m_curAddr; }
+
+protected:
+ //! Lan status
+ enum enumStatus
+ {
+ LS_OK, //!< no problems
+ LS_WRONG_WINSOCK, //!< not found winsock of propper version
+ LS_CANT_CREATE_SOCKET, //!< can not create income socket
+ LS_CANT_GET_HOSTADDR, //!< can not find host address
+ LS_CANT_TURN_ON_BROADCAST, //!< can not allow broadcast messages for socket
+ LS_CANT_BIND_SOCKET, //!< can not bind socket to the address
+ LS_CANT_START_LISTEN, //!< can not start listen on TCP socket
+ LS_CANT_CREATE_THREADS, //!< can not create threads for listen and accept
+ };
+
+ //! Lan mode
+ enum enumMode
+ {
+ LM_OFF, //!< Winsock is turned off
+ LM_ON, //!< Winsock is on
+ LM_LISTEN, //!< Listening for incoming messages
+ };
+
+ //! Starts winsock
+ void Startup();
+ //! Stops winsock
+ void Shutdown();
+ //! Listen
+ void StartListen();
+ //! Stop Listen
+ void StopListen();
+
+ //! Set current host address
+ void SetCurHostAddress(in_addr addr);
+
+ //! Send packet
+ void SendPacket(in_addr addr, const u_char* mes, int len);
+ //! Send broadcast packet
+ void SendPacketBroadcast(const u_char* mes, int len);
+
+ //! Event - called when packet is received
+ virtual void OnRecvPacket(u_char* mes, int len, in_addr from) { };
+ //! Event - called when new incoming tcp connection is created (new thread is created)
+ virtual void OnInTCPConnection(u_long addr, SOCKET m_socket) { };
+ //! Event - called when new outgoing tcp connection is created )new thread is created)
+ virtual void OnOutTCPConnection(u_long addr, SOCKET m_socket, LPVOID lpParameter) {};
+ //! Creates new outgoing TCP connection
+ SOCKET CreateTCPConnection(u_long addr, LPVOID lpParameter);
+
+private:
+ //! Launches Listen procedure when in new thread
+ static DWORD WINAPI ListenProc(LPVOID lpParameter);
+ //! Listnes for incoming messages
+ void Listen();
+ //! Listen thread handle
+ HANDLE m_hListenThread;
+ //! Structure passed to new TCP connection thread
+ struct TTCPConnect
+ {
+ CLan* m_lan;
+ u_long m_addr;
+ SOCKET m_socket;
+ LPVOID m_lpParameter;
+ };
+ //! Launches accept procedure for TCP connections in new thread
+ static DWORD WINAPI AcceptTCPProc(LPVOID lpParameter);
+ //! Accepts TCP connections
+ void AcceptTCP();
+ //! Accept TCP thread handle
+ HANDLE m_hAcceptTCPThread;
+ //! Semaphore for killing accept thread
+ CRITICAL_SECTION m_csAcceptTCPThread;
+
+ //! Called when new income TCP connection is created
+ static DWORD WINAPI OnInTCPConnectionProc(LPVOID lpParameter);
+ //! Called when new ougoing TCP connectio is created
+ static DWORD WINAPI OnOutTCPConnectionProc(LPVOID lpParameter);
+
+ //! Stores retreived host addresses
+ in_addr m_hostAddr[MAX_INTERNAL_IP];
+ //! Current address count
+ int m_hostAddrCount;
+
+ //! Stores current host address
+ in_addr m_curAddr;
+ //! Socket for income messages
+ SOCKET m_income;
+ //! Socket for income files
+ SOCKET m_filesoc;
+ //! Current status
+ int m_status;
+ //! Current mode
+ int m_mode;
+};
+
+#endif //__lan_h__
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