GLOBALS.H
// 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 1993 - 1998 Microsoft Corporation. All Rights Reserved.
//
// PURPOSE:
// Contains declarations for all globally scoped names in the program.
//
//-------------------------------------------------------------------------
// Product identifier string defines
#define APPNAME GlobCl
//-------------------------------------------------------------------------
// 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 MsgSetfocus(HWND, UINT, WPARAM, LPARAM);
LRESULT MsgCommand(HWND, UINT, WPARAM, LPARAM);
LRESULT MsgDataready(HWND, UINT, WPARAM, LPARAM);
LRESULT MsgRefreshdisplay(HWND, UINT, WPARAM, LPARAM);
LRESULT MsgDisconnected(HWND, UINT, WPARAM, LPARAM);
LRESULT MsgDestroy(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 CmdConnect(HWND, WORD, WORD, HWND);
LRESULT CmdSelect(HWND, WORD, WORD, HWND);
LRESULT CmdExit(HWND, WORD, WORD, HWND);
LRESULT CmdAbout(HWND, WORD, WORD, HWND);
LRESULT CmdOutbox(HWND, WORD, WORD, HWND);
LRESULT CmdDisconnect(HWND, WORD, WORD, HWND);
LRESULT CmdEndChat(HWND, WORD, WORD, HWND);
//
// Socket Data transfer 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--contains header + data
{
MSGHDR hdr;
BYTE data[0x8000]; // data
} DATAMSG, *LPDATAMSG;
DATAMSG xferbuf;
// Message constants
#define HDRSIZE sizeof(MSGHDR) // Size of Message header
#define REALLEN(x) lstrlen(x) + 1 // REALLEN will now count terminating NULL of x
// Globchat socket data structure to hold all necessary socket information
//
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
SOCKET peer; // Handle of server's peer socket we are connected to
char name[16]; // Our name
} SOCKDATA, *LPSOCKDATA;
SOCKDATA MySock;
// 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);
BOOL ReceiveInBox(HWND, WPARAM, LPARAM, char *, int);
void SendOutBox(char *, int);
void AtoH(char *, char *, int);
unsigned char BtoH(char);
void CleanUp(void);
void GetAddrString(PSOCKADDR_IPX, char *);
void HtoA(char *, char *, int);
char HtoB(UCHAR);
BOOL senddatamessage (SOCKET, LPDATAMSG);
BOOL recvdatamessage (LPSOCKDATA, LPDATAMSG);
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.
// Options menu
#define IDM_CONNECT 1000
#define IDM_SELECT 1001
#define IDM_END_CHAT 1002
#define IDM_DISCONNECT_SERVER 1003
#define IDM_EXIT 1004
// Help menu
#define IDM_ABOUT 1100
//-------------------------------------------------------------------------
// User Defined Messages. These definitions are used for indicating
// network events.
#define MW_DATAREADY 501
#define MW_DISPLAYREFRESH 502
#define MW_DISCONNECTED 503
#define LDM_CONNECTED 504
//-------------------------------------------------------------------------
// String Table ID definitions.
#define IDS_APPNAME 1
#define IDS_DESCRIPTION 2
#define IDS_FILEINFOLANG 3
#define IDS_CHAT_AVAIL 4
#define IDS_ERR_SERVER_NOT_FOUND 5
#define IDS_ERR_NAMESPACE_NOT_SUPPORTED 6
#define IDS_ERR_SOCKET_FAILED 7
#define IDS_ERR_CONNECT_FAILED 8
#define IDS_ERR_WSAASYNCSELECT 9
#define IDS_ERR_UNSUPPORTED_PROTOCOL 10
#define IDS_ERR_CONNECTION_DROPPED 11
#define IDS_CALLING_SOCKET 12
#define IDS_CALLING_CONNECT 13
#define IDS_WAITING_FOR_ACCEPT 14
#define IDS_SELECT_PROTOCOL 15
#define IDS_ENTER_NAME 16
#define IDS_ENTER_MACHINE_NAME 17
#define IDS_CONNECTION_STOPPED 18
#define IDS_CHAT_DLG_STOPPED 19
#define IDS_CHAT_AVAILABLE 20
#define IDS_CHATTING_REMOTE 21
#define IDS_REQUESTS_CHAT 22
#define IDS_SESSION_REQUEST 23
//-------------------------------------------------------------------------
// Main Window Edit Control defines.
#define ID_OUTBOX 601
#define ID_INBOX 602
//-------------------------------------------------------------------------
// About dialog defines.
#define IDD_VERFIRST 100
#define IDD_VERLAST 104
//-------------------------------------------------------------------------
// Connect dialog defines.
#define CD_NAME 200
#define CD_PROTOCOL 201
#define CD_SERVER 202
#define CD_SERVER_TEXT 203
#define CD_HELP 204
//-------------------------------------------------------------------------
// Select dialog defines.
#define SD_LIST 300
//-------------------------------------------------------------------------
// 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
//-------------------------------------------------------------------------
// Socket constants
#define MYSIGNATURE 0xCC // Starts every globchat socket message header
#define NWCHATID 0x0756 // 0x0756 (network order) was assigned by Novell
// for this specific application
#define DNSCHATID 0x555 // Well known socket for DNS GUID generation
//-------------------------------------------------------------------------
// 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
SOCKET sock, SrvSock;
SOCKADDR_IPX RemAddr;
PSOCKADDR_IPX pSockAddr, pRemAddr;
struct sockaddr addr;
int addrlen;
HWND hOutWnd, hInWnd;
char szRcvBuf[0x8000];
char szSndBuf[0x8000];
extern char szConnectName[];
extern char szConnectServer[];
CSADDR_INFO CSAInfo[10];
CSADDR_INFO CSABuf[20];
DWORD dwCSABufsize;
char peername[16];
LPPROTOCOL_INFO lpProtBuf;
int goodprots[30];
char lpServName[256];
SOCKADDR_NB NBAddr;
SOCKADDR_IPX IPXAddr;
#define hwndMDIGlobCl NULL /* Stub for NON-MDI applications. */
//-------------------------------------------------------------------------
// 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"