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Tricks of the Windows Gam…ming Gurus (2nd Edition)
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msendrcv.h
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1997-04-09
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11KB
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227 lines
/* msendrcv.h */
/* (C) COPYRIGHT DATA CONNECTION LIMITED 1994 */
/*****************************************************************************/
/* Change History */
/* */
/* 11/01/94 DK Created */
/* 14/04/94 DK Name table added for tracing */
/*****************************************************************************/
/*****************************************************************************/
/* static configuration constants */
/* Note that MAX_RCV_PER_SERVICE cannot exceed 63, because we cannot wait */
/* on more than 64 events (and one extra event is needed for receive) */
/*****************************************************************************/
#define MAX_SEND_PER_THREAD 64
#define MAX_RCV_PER_THREAD 63
#define MAX_RECEIVE_THREADS 64
#define MAXRCVBUF 4096
/*****************************************************************************/
/* global critical section */
/*****************************************************************************/
CRITICAL_SECTION runsem;
/*****************************************************************************/
/* APPC verb control block and macros for manipulation of vcb */
/*****************************************************************************/
#define CLEARVCB memset(vcbptr,0,sizeof(VCB));
#define P_TPS(X) ((struct tp_started *)X)
#define P_TPE(X) ((struct tp_ended *)X)
#define P_RAL(X) ((struct receive_allocate *)X)
#define P_M_ALC(X) ((struct mc_allocate *)X)
#define P_M_CNF(X) ((struct mc_confirm *)X)
#define P_M_CFD(X) ((struct mc_confirmed *)X)
#define P_M_DAL(X) ((struct mc_deallocate *)X)
#define P_M_RAW(X) ((struct mc_receive_and_wait *)X)
#define P_M_SDD(X) ((struct mc_send_data *)X)
typedef struct vcb
{
union
{
struct appc_hdr hdr;
struct receive_allocate rcvalloc;
struct tp_started tpstart;
struct tp_ended tpend;
struct mc_allocate allocate;
struct mc_confirm confirm;
struct mc_confirmed confirmed;
struct mc_deallocate deallocate;
struct mc_receive_and_wait rcvwait;
struct mc_send_data snddata;
} U_VCB;
} VCB;
/*****************************************************************************/
/* structures for convert verb */
/*****************************************************************************/
struct convert cnvt;
char * cnvtptr;
/*****************************************************************************/
/* for outputting results */
/*****************************************************************************/
typedef unsigned long RESULT;
RESULT * ResultPtr;
RESULT * ResultBuf;
short NumResults;
/*****************************************************************************/
/* conversation control block - one per conversation */
/*****************************************************************************/
typedef struct convcb
{
char TPid[8];
char type[8];
unsigned long Convid;
HANDLE async_corr;
char * DataPtr;
unsigned short thread;
unsigned short conv;
unsigned short SendSize;
unsigned short SendCount;
unsigned short RcvCount;
unsigned short ConfirmCount;
BOOL TPEnded;
BOOL Deallocated;
BOOL Counted;
RESULT ConvStarted;
HANDLE hEvent;
VCB vcb;
} CONVCB;
/*****************************************************************************/
/* structures for receive threads */
/*****************************************************************************/
typedef struct rcv_thread
{
HANDLE event1;
HANDLE event2;
CONVCB * convptr;
} RCV_THREAD;
RCV_THREAD RcvThreadArray [MAX_RECEIVE_THREADS];
/*****************************************************************************/
/* File Names and handle for trace file */
/*****************************************************************************/
char FileName [60];
char TraceFile[60];
FILE *t = NULL;
/*****************************************************************************/
/* APPC Names from configuration file */
/*****************************************************************************/
char TPName[64];
char LocalTPName[64];
char LocalLUAlias[8];
char RemoteLUAlias[8];
char ModeName[8];
char RemoteTPName[64];
/*****************************************************************************/
/* Global Variables from configuration file */
/*****************************************************************************/
unsigned short NumSends;
unsigned short SendSize;
unsigned short NumSendConvs;
unsigned short ConfirmEvery;
unsigned short NumRcvThreads;
unsigned short NumRcvConvs;
unsigned short RcvSize;
/*****************************************************************************/
/* Global Variables */
/*****************************************************************************/
unsigned short NumRalcs; /* number of receive_allocs issued */
unsigned short RcvConvs; /* number of conversations completed */
unsigned short ThreadCount; /* total thread count */
unsigned short RcvThreads; /* count of receive threads */
unsigned short SendThreads; /* count of send threads */
unsigned short SimRcvConvs; /* number of simultaneous rcv convs */
unsigned short SimSendConvs; /* number of simultaneous send convs */
/*****************************************************************************/
/* Names of verbs for tracing */
/*****************************************************************************/
char *VerbName[] =
{
"UNKNOWN_VERB", /* 0x0000 */
"MC_ALLOCATE", /* 0x0001 */
"UNKNOWN_VERB", /* 0x0002 */
"MC_CONFIRM", /* 0x0003 */
"MC_CONFIRMED", /* 0x0004 */
"MC_DEALLOCATE", /* 0x0005 */
"MC_FLUSH", /* 0x0006 */
"MC_GET_ATTRIBUTES", /* 0x0007 */
"UNKNOWN_VERB", /* 0x0008 */
"UNKNOWN_VERB", /* 0x0009 */
"MC_PREPARE_TO_RECEIVE", /* 0x000a */
"MC_RECEIVE_AND_WAIT", /* 0x000b */
"MC_RECEIVE_IMMEDIATE", /* 0x000c */
"MC_RECEIVE_AND_POST", /* 0x000d */
"MC_REQUEST_TO_SEND", /* 0x000e */
"MC_SEND_DATA", /* 0x000f */
"MC_SEND_ERROR", /* 0x0010 */
"UNKNOWN_VERB", /* 0x0011 */
"MC_TEST_RTS", /* 0x0012 */
"TP_ENDED", /* 0x0013 */
"TP_STARTED", /* 0x0014 */
"UNKNOWN_VERB", /* 0x0015 */
"RECEIVE_ALLOCATE", /* 0x0016 */
"UNKNOWN_VERB", /* 0x0017 */
"MC_SEND_CONVERSATION" /* 0x0018 */
};
/*****************************************************************************/
/* Character for filling buffer */
/*****************************************************************************/
char datach;
/*****************************************************************************/
/* Windows stuff */
/*****************************************************************************/
HWND hWndMain;
char title[40]={'\0'};
#define OUTPUTNUMBER sprintf(title,"thr sms smr rdn %d %d %d %d", \
ThreadCount,SimSendConvs,SimRcvConvs,RcvConvs); \
SetWindowText(hWndMain,title);
/*****************************************************************************/
/* Function Prototypes */
/*****************************************************************************/
int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, int nCmdShow);
BOOL InitializeWinMain(HINSTANCE hInstance);
LONG PASCAL TPWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
void InitializeMain(void);
BOOL IssueSendVerb(CONVCB * convptr);
BOOL IssueRcvVerb(CONVCB * convptr);
BOOL ProcessReturns(CONVCB * convptr);
void ReadConfig(void);
void CONV_A_TO_E(char * string,int length);
void CONV_E_TO_A(char * string,int length);
void StartConversation(CONVCB * convptr);
void EndConversation(CONVCB * convptr);
int ReadString(char * lpValueName, char FAR * lpData, int maxlen);
void PadString(char * string, int length);
void OutputResults(void);
void Build_RECEIVE_ALLOCATE(CONVCB * convptr);
void Build_TP_STARTED(CONVCB * convptr);
void Build_TP_ENDED(CONVCB * convptr);
void Build_MC_ALLOCATE(CONVCB * convptr);
void Build_MC_CONFIRM(CONVCB * convptr);
void Build_MC_CONFIRMED(CONVCB * convptr);
void Build_MC_DEALLOCATE(CONVCB * convptr);
void Build_MC_RECEIVE_AND_WAIT(CONVCB * convptr);
void Build_MC_SEND_CONVERSATION(CONVCB * convptr);
void Build_MC_SEND_DATA(CONVCB * convptr);
void GenerateData(CONVCB * convptr);
DWORD WINAPI RcvAllocThread();
DWORD WINAPI ReceiveThread(DWORD k);
DWORD WINAPI SendThread(DWORD k);