www.pudn.com > globchat.zip > GLOBALS.H, change:1997-10-05,size:10975b


// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF 
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO 
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A 
// PARTICULAR PURPOSE. 
// 
// Copyright (C) 1993-1997  Microsoft Corporation.  All Rights Reserved. 
// 
// PURPOSE: 
//    Contains declarations for all globally scoped names in the program. 
// 
 
#include <nspapi.h> 
#include <wsipx.h> 
 
//------------------------------------------------------------------------- 
// Product identifier string defines 
 
#define APPNAME       GlobChat 
 
 
//------------------------------------------------------------------------- 
// Functions for handling main window messages.  The message-dispatching 
// mechanism expects all message-handling functions to have the following 
// prototype: 
// 
//     LRESULT FunctionName(HWND, UINT, WPARAM, LPARAM); 
 
LRESULT MsgCreate(HWND, UINT, WPARAM, LPARAM); 
LRESULT MsgSize(HWND, UINT, WPARAM, LPARAM); 
LRESULT MsgTimer(HWND, UINT, WPARAM, LPARAM); 
LRESULT MsgCommand(HWND, UINT, WPARAM, LPARAM); 
LRESULT MsgDestroy(HWND, UINT, WPARAM, LPARAM); 
LRESULT MsgConnected(HWND, UINT, WPARAM, LPARAM); 
LRESULT MsgDataready(HWND, UINT, WPARAM, LPARAM); 
 
 
//------------------------------------------------------------------------- 
// Functions for handling main window commands--ie. functions for 
// processing WM_COMMAND messages based on the wParam value. 
// The message-dispatching mechanism expects all command-handling 
// functions to have the following prototype: 
// 
//     LRESULT FunctionName(HWND, WORD, WORD, HWND); 
 
LRESULT CmdExit(HWND, WORD, WORD, HWND); 
LRESULT CmdAbout(HWND, WORD, WORD, HWND); 
 
//------------------------------------------------------------------------- 
//  Globchat socket message definitions 
// 
typedef struct _MSGHDR            // Message header 
{ 
    BYTE            signature;    // Identifies start of a message 
    WORD            length;       // size of message 
    BYTE            command;      // message command 
} MSGHDR, *LPMSGHDR; 
 
 
typedef struct _DATAMSG            // Message = message header + data 
{ 
    MSGHDR          hdr; 
    BYTE            data[0x8000];  // data 
} DATAMSG, *LPDATAMSG; 
 
DATAMSG xferbuf; 
 
#define HDRSIZE      sizeof(MSGHDR)    // Message header size 
 
#define REALLEN(x)   lstrlen(x) + 1    // REALLEN will now count terminating NULL of x 
 
//------------------------------------------------------------------------- 
// My personal SOCKDATA structure for storing info on my sockets 
 
typedef struct _SOCKDATA 
{ 
    SOCKET           sock;           // socket handle 
    int              status;         // Socket's status 
    struct sockaddr  addr;           // Address structure 
    char             reserved[10];   // Generic sockaddr struct is not big enough for all 
                                     // addresses (namely netbios addresses) so adding some 
                                     // space at the end. 
    int              addrlen;        // Address length 
    int              type;           // Socket type (from socket() call) 
    int              protocol;       // protocol (from socket() call) 
    int              currconnects;   // Number of current connections on this socket 
    LPTSTR           lpProtocolName; // Pointer to protocol name socket is running on 
    int              servsockindex;  // Index to array of server sockets 
    SOCKET           peer;           // Associated peer socket which this socket is in session with 
    char             name[16];       // User name 
} SOCKDATA, *LPSOCKDATA; 
 
LPSOCKDATA ServerSockets;        // Listening (server) sockets 
LPSOCKDATA ConnectedSockets;   // Accepted (client) sockets 
 
//  SOCKDATA structure status options 
#define SOCKSTAT_INIT        1 
#define SOCKSTAT_LISTENING   2 
#define SOCKSTAT_ACCEPTING   3 
#define SOCKSTAT_CLOSED      4 
#define SOCKSTAT_CONNECTED   5 
#define SOCKSTAT_AVAILABLE   6 
#define SOCKSTAT_INSESSION   7 
#define SOCKSTAT_REQSESSION  8 
 
//------------------------------------------------------------------------- 
// Global function prototypes. 
 
BOOL InitApplication(HINSTANCE, int); 
BOOL CenterWindow(HWND, HWND); 
void AtoH(char *, char *, int); 
unsigned char BtoH(char); 
void deregistername(char *); 
BOOL senddatamessage(SOCKET, LPDATAMSG); 
BOOL recvdatamessage (LPSOCKDATA, LPDATAMSG); 
void UpdateClientList(char *, int, char *); 
BOOL MakeServSock(HWND, LPSOCKDATA, LPPROTOCOL_INFO); 
LPTSTR GetStringRes (int id); 
 
// Callback functions.  These are called by Windows. 
 
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); 
 
 
//------------------------------------------------------------------------- 
// Command ID definitions.  These definitions are used to associate menu 
// items with commands. 
 
// File menu 
#define IDM_EXIT    1000 
 
// Help menu 
#define IDM_ABOUT   1100 
 
// Status List boxes 
#define ID_PROTOCOLBOX 400 
#define ID_CLIENTBOX   401 
 
//------------------------------------------------------------------------- 
// String Table ID definitions. 
 
#define IDS_APPNAME         1 
#define IDS_DESCRIPTION     2 
#define IDS_AVAILABLE       3 
#define IDS_SESSION         4 
#define IDS_SESSION_SETUP   5 
#define IDS_LANGVERINFO     6 
 
 
//------------------------------------------------------------------------- 
//  About dialog defines. 
 
#define IDD_VERFIRST    100 
#define IDD_VERLAST     104 
 
//------------------------------------------------------------------------- 
// Application Specific Messages. 
 
#define MW_CONNECTED    200 
#define MW_DATAREADY    201 
 
#define SAPTIMER        300 
 
//-------------------------------------------------------------------------- 
//  Other constants 
 
#define NWCHATID        0x5607      // 0x0756 (network order) was assigned by Novell 
                                    // for this specific application 
#define DNSCHATID       0x555       // TCP well known port 
 
// Globchat socket message commands 
#define REGISTER_NAME             1 
#define XFER_DATA                 2 
#define REQUEST_SESSION           3 
#define SESSION_REQUEST_RESPONSE  4 
#define SESSION_CLOSE             5 
#define DEREGISTER_NAME           6 
 
#define MYSIGNATURE               0xCC   // First byte in every message header 
 
//------------------------------------------------------------------------- 
// Global variable declarations. 
 
extern HINSTANCE hInst;          // The current instance handle 
extern char      szAppName[];    // The name of this application 
extern char      szTitle[];      // The title bar text 
HANDLE ConnectHeap; 
LPPROTOCOL_INFO lpProtBuf; 
SOCKET SAPSocket; 
SOCKADDR_IPX SAPSockAddr, SAPDestSockAddr; 
int NextFree, MaxConnects; 
char aliasbuf[512]; 
int sizealiasbuf; 
HWND hwndProtocolList; 
HWND hwndClientList; 
 
 
#define hwndMDIClient NULL 
 
 
//------------------------------------------------------------------------- 
// Message and command dispatch infrastructure.  The following type 
// definitions and functions are used by the message and command dispatching 
// mechanism and do not need to be changed. 
 
    // Function pointer prototype for message handling functions. 
typedef LRESULT (*PFNMSG)(HWND,UINT,WPARAM,LPARAM); 
 
    // Function pointer prototype for command handling functions. 
typedef LRESULT (*PFNCMD)(HWND,WORD,WORD,HWND); 
 
    // Enumerated type used to determine which default window procedure 
    // should be called by the message- and command-dispatching mechanism 
    // if a message or command is not handled explicitly. 
typedef enum 
{ 
   edwpNone,            // Do not call any default procedure. 
   edwpWindow,          // Call DefWindowProc. 
   edwpDialog,          // Call DefDlgProc (This should be used only for 
                        // custom dialogs - standard dialog use edwpNone). 
   edwpMDIChild,        // Call DefMDIChildProc. 
   edwpMDIFrame         // Call DefFrameProc. 
} EDWP;                // Enumeration for Default Window Procedures 
 
    // This structure maps messages to message handling functions. 
typedef struct _MSD 
{ 
    UINT   uMessage; 
    PFNMSG pfnmsg; 
} MSD;                 // MeSsage Dispatch structure 
 
    // This structure contains all of the information that a window 
    // procedure passes to DispMessage in order to define the message 
    // dispatching behavior for the window. 
typedef struct _MSDI 
{ 
    int  cmsd;          // Number of message dispatch structs in rgmsd 
    MSD *rgmsd;         // Table of message dispatch structures 
    EDWP edwp;          // Type of default window handler needed. 
} MSDI, FAR *LPMSDI;   // MeSsage Dipatch Information 
 
    // This structure maps command IDs to command handling functions. 
typedef struct _CMD 
{ 
    WORD   wCommand; 
    PFNCMD pfncmd; 
} CMD;                 // CoMmand Dispatch structure 
 
    // This structure contains all of the information that a command 
    // message procedure passes to DispCommand in order to define the 
    // command dispatching behavior for the window. 
typedef struct _CMDI 
{ 
    int  ccmd;          // Number of command dispatch structs in rgcmd 
    CMD *rgcmd;         // Table of command dispatch structures 
    EDWP edwp;          // Type of default window handler needed. 
} CMDI, FAR *LPCMDI;   // CoMmand Dispatch Information 
 
    // Message and command dispatching functions.  They look up messages 
    // and commands in the dispatch tables and call the appropriate handler 
    // function. 
LRESULT DispMessage(LPMSDI, HWND, UINT, WPARAM, LPARAM); 
LRESULT DispCommand(LPCMDI, HWND, WPARAM, LPARAM); 
 
    // Message dispatch information for the main window 
extern MSDI msdiMain; 
    // Command dispatch information for the main window 
extern CMDI cmdiMain; 
 
 
 
//------------------------------------------------------------------------- 
// Version string definitions--Leave these alone. 
 
#define SZRCOMPANYNAME "CompanyName" 
#define SZRDESCRIPTION "FileDescription" 
#define SZRVERSION     "FileVersion" 
#define SZRAPPNAME     "InternalName" 
#define SZRCOPYRIGHT   "LegalCopyright" 
#define SZRTRADEMARK   "LegalTrademarks" 
#define SZRPRODNAME    "ProductName" 
#define SZRPRODVER     "ProuctVersion" 
 
//------------------------------------------------------------------------- 
// SAP structure definition for a single entry SAP packet. 
 
typedef struct _SAPHDR 
{ 
    WORD     operation;    // 1 = Req., 2 = Resp., 3 = Get Nearest Req, 4 = Get Nearest Resp. 
    WORD     servicetype;  // kind of service 
    char     name[48];         // Name of Server 
    char     network[4];      // network number 
    char     node[6];         // node number 
    char     socket[2];       // socket number 
    WORD     hops;         // Number of hops to server 
} SAPHDR, *LPSAPHDR;  // SAP structure, pointer to SAP structure 
 
SAPHDR SAPData;