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//////////////////////////////////////////////////////////////////////////
// Miranda lan functions
#ifndef __mlan_h__
#define __mlan_h__
#define MLAN_TIMEOUT 5
#define MLAN_CHECK 50
#define MLAN_SLEEP 400
#define MAX_HOSTNAME_LEN 128
#define FILE_SEND_BLOCK 4096
//#define FILE_SEND_BLOCK 32768
#define FILE_INFO_REFRESH 131072
#define FILE_MIN_BLOCK 1024
class CMLan;
struct EMPSEARCHRESULT : public PROTOSEARCHRESULT
{
u_long ipaddr;
uint16_t stat;
u_long ver;
};
struct TDataHolder
{
public:
long id;
long op;
MCONTACT hContact;
char* const msg;
CMLan* lan;
explicit TDataHolder(const CCSDATA* cc, unsigned long _id, long _op, CMLan* _lan) :
msg(_strdup((char*)cc->lParam)), hContact(cc->hContact), id(_id), op(_op), lan(_lan)
{}
explicit TDataHolder(const char* str, unsigned long _id, long _op, CMLan* _lan) :
msg(_strdup(str)), hContact(0), id(_id), op(_op), lan(_lan)
{}
~TDataHolder(){ delete[] msg; }
};
class CMLan : public CLan
{
public:
CMLan();
~CMLan();
int GetMirandaStatus();
void SetMirandaStatus(u_int status);
void SetAllOffline();
void RecvMessageUrl(CCSDATA* ccs);
int SendMessageUrl(CCSDATA* ccs);
int GetAwayMsg(CCSDATA* ccs);
int RecvAwayMsg(CCSDATA* ccs);
int SetAwayMsg(u_int status, char* msg);
INT_PTR AddToContactList(u_int flags, EMPSEARCHRESULT* psr);
int Search(const char* name);
void LoadSettings();
void SaveSettings();
wchar_t* GetName() { return m_name; }
bool GetUseHostName() { return m_UseHostName; }
void SetUseHostName(bool val) { m_UseHostName = val; }
void SetRequiredIp(u_long ip) { m_RequiredIp = ip; }
int SendFile(CCSDATA* ccs);
void RecvFile(CCSDATA* ccs);
int FileAllow(CCSDATA* ccs);
int FileDeny(CCSDATA* ccs);
int FileCancel(CCSDATA* ccs);
int FileResume(int cid, PROTOFILERESUME* pfr);
protected:
virtual void OnRecvPacket(u_char* mes, int len, in_addr from);
virtual void OnInTCPConnection(u_long addr, SOCKET in_socket);
virtual void OnOutTCPConnection(u_long addr, SOCKET out_socket, LPVOID lpParameter);
private:
struct TContact
{
in_addr m_addr;
u_int m_status;
int m_time;
u_long m_ver;
char *m_nick;
TContact *m_prev;
};
u_int m_mirStatus = ID_STATUS_OFFLINE;
TContact *m_pRootContact = nullptr;
wchar_t m_name[MAX_HOSTNAME_LEN];
DWORD m_nameLen;
mir_cs m_csAccessClass;
mir_cs m_csAccessAwayMes;
void RequestStatus(bool answer = false, u_long m_addr = INADDR_BROADCAST);
MCONTACT FindContact(in_addr addr, const char *nick, bool add_to_list, bool make_permanent, bool make_visible, u_int status = ID_STATUS_ONLINE);
void DeleteCache();
CTimer m_timer;
BOOL m_bChecking = false;
void StartChecking();
void StopChecking();
void OnTimer(CTimer*);
int m_handleId = 1;
int GetRandomProcId() { return m_handleId++; } // TODO: must create propper CRITICAL SECTION, cause there may be collisions
static void __cdecl LaunchExt(void *lpParameter);
void SearchExt(TDataHolder* hold);
void SendMessageExt(TDataHolder* hold);
void GetAwayMsgExt(TDataHolder* hold);
struct TPacket
{
u_int idVersion; // -1 means version is not sent
u_int idStatus; // -1 means status is not sent
char* strName; // NULL means no name
bool flReqStatus; // false means no request
char* strMessage; // NULL means no message
int idMessage;
int idAckMessage; // 0 means no ack
int idReqAwayMessage; // 0 means no request
char* strAwayMessage; // NULL means no away message
int idAckAwayMessage;
};
u_char* CreatePacket(TPacket& pak, int* pBufLen = nullptr);
void ParsePacket(TPacket& pak, u_char* buf, int len = 65536);
void SendPacketExt(TPacket& pak, u_long addr);
bool m_UseHostName = true;
u_long m_RequiredIp = 0;
HANDLE m_hookIcqMsgReq;
char* m_amesAway = nullptr;
char* m_amesNa = nullptr;
char* m_amesOccupied = nullptr;
char* m_amesDnd = nullptr;
char* m_amesFfc = nullptr;
struct TFileConnection
{
enum enumFileConnectionStates
{
FCS_OK = 0,
FCS_TERMINATE,
FCS_ALLOW,
FCS_OVERWRITE,
FCS_RESUME,
FCS_RENAME,
FCS_SKIP,
};
TFileConnection();
~TFileConnection();
void Terminate() { m_state = FCS_TERMINATE; }
int Recv(bool halt = true);
int Send(u_char* buf, int size);
int SendRaw(u_char* buf, int size);
CMLan* m_pLan;
TFileConnection* m_pPrev;
TFileConnection* m_pNext;
int m_state;
int m_cid;
SOCKET m_socket;
u_long m_addr;
MCONTACT m_hContact;
wchar_t* m_szDescription;
wchar_t** m_szFiles;
wchar_t* m_szDir;
wchar_t* m_szRenamedFile;
u_char* m_buf;
int m_recSize;
mir_cs m_csAccess;
};
void FileAddToList(TFileConnection* conn);
void FileRemoveFromList(TFileConnection* conn);
mir_cs m_csFileConnectionList;
TFileConnection* m_pFileConnectionList = nullptr;
};
#endif //__mlan_h__
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