windows-nt/Source/XPSP1/NT/com/rpc/perf/raw/common/np.c

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2020-09-26 03:20:57 -05:00
//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1994 - 1999
//
// File: np.c
//
//--------------------------------------------------------------------------
/////////////////////////////////////////////////////////////////////////
//
// Filename: np.c
//
// Description: This file contains common routines for named pipe
// routines for use with IPC raw networl performance
// tests.
// This module is written using win32 API calls.
//
// Authors: Scott Holden (Translator from NT API to win32 API)
// Mahesh Keni (Mahesh wrote this application using mostly
// NT native API calls)
//
/////////////////////////////////////////////////////////////////////////
#include "rawcom.h"
#include "np.h"
/*++
NamedPipe function implementations
--*/
/************************************************************************/
NTSTATUS
NMP_Initialize(
IN USHORT NClients,
IN PCHAR ServerName,
IN USHORT SrvCli)
{
CHAR TempSrv[256];
// use local pipe name for server or if Name not provided
if (SrvCli || (!ServerName)) {
strcpy(TempSrv,PERF_PIPE);
}
else{
if (!ServerName) {
strcpy(TempSrv, RM_PERF_PIPE_PRFX);
}
else {
strcpy(TempSrv, (const char *)ServerName);
}
strcat(TempSrv, RM_PERF_PIPE_SUFX);
}
printf("NMP: Pipe name - %s\n", TempSrv);
pipeName = _strdup(TempSrv);
return(STATUS_SUCCESS);
}
/************************************************************************/
/*++
This routine is responsible Creating a NamedPipe instance for the given
thread.
--*/
NTSTATUS
NMP_PerClientInit(
IN USHORT CIndex, // client index
IN USHORT SrvCli )
{
NTSTATUS pstatus = 0;
if (SrvCli) {
// create namedpipe for this client
pstatus = CreateNamedPipeInstance(CIndex);
}
else { // for Client initialize all the thread parameters
;
}
return pstatus;
}
/************************************************************************/
/*++
This routine is responsible for issueing Listen and waiting till a
client is connected. When this routine returns successfully we can
assume that a connection is established.
--*/
NTSTATUS
NMP_Wait_For_Client(
IN USHORT CIndex) // client index and namedpipe instance number
{
NTSTATUS wstatus;
wstatus = ConnectNamedPipe(Clients[CIndex].c_Nmp.c_PipeHandle,
NULL);
if (wstatus == FALSE) {
printf("Error: ConnectNamedPipe - 0x%08x, %ld\n", GetLastError(), GetLastError());
}
return (wstatus);
}
/************************************************************************/
/*++
This routine is responsible for issueing Disconnect to close the
connection with a client.
--*/
NTSTATUS
NMP_Disconnect_Client(
IN USHORT CIndex) // client index and namedpipe instance number
{
NTSTATUS dstatus;
// post a Disconnect
// first find the status of the pipe to make sure that it's empty
dstatus = FlushFileBuffers(Clients[CIndex].c_Nmp.c_PipeHandle);
if (dstatus == FALSE) {
printf("Error: FlushFileBuffers failed - 0x%08x\n", GetLastError());
}
dstatus = DisconnectNamedPipe(Clients[CIndex].c_Nmp.c_PipeHandle);
if (dstatus == FALSE) {
printf("Error: DisconnectNamedPipe failed - 0x%08x, %ld\n", GetLastError(), GetLastError());
}
return dstatus;
}
/************************************************************************/
/*++
This routine is responsible for establishing a connection to the
server side. When this routine returns successfully we can assume that
a connection is established.
--*/
NTSTATUS
NMP_Connect_To_Server(
IN USHORT CIndex) // client index and namedpipe instance number
{
NTSTATUS cstatus;
DWORD dwPipeMode;
Clients[CIndex].c_Nmp.c_PipeHandle = CreateFile( //connect to the server
pipeName, // address of filename
GENERIC_READ | GENERIC_WRITE, // access mode
0L, // share mode
NULL, // security attributes
OPEN_EXISTING, // create mode
0L, // attributes and flags
NULL); // template file handle
if (Clients[CIndex].c_Nmp.c_PipeHandle == INVALID_HANDLE_VALUE) {
printf("Error: CreateFile failed - 0x%08x\n", GetLastError());
cstatus = FALSE;
}
else {
dwPipeMode = PIPE_READMODE_MESSAGE;
cstatus = SetNamedPipeHandleState(Clients[CIndex].c_Nmp.c_PipeHandle, // pipe handle
&dwPipeMode, // new pipe mode
NULL, // do not set the max bytes
NULL); // do not set the max time
if (cstatus == FALSE) {
printf("Error: SetNamedPipeHandleState failed - 0x%08x\n", GetLastError());
}
}
return(cstatus);
}
/************************************************************************/
/*++
This routine allocates memory required for all the buffers for a client.
--*/
NTSTATUS
NMP_Allocate_Memory(
IN USHORT CIndex) // client index and namedpipe instance number
{
NTSTATUS astatus = STATUS_SUCCESS;
ULONG AllocSize;
AllocSize = MAXBUFSIZE;
(LPVOID) Clients[CIndex].c_pSendBuf = VirtualAlloc(
(LPVOID) Clients[CIndex].c_pSendBuf,
(DWORD)AllocSize,
(DWORD)MEM_COMMIT,
(DWORD)PAGE_READWRITE);
sprintf(Clients[CIndex].c_pSendBuf,"Client%d Send Data",CIndex+1);
if (Clients[CIndex].c_pSendBuf == NULL) {
astatus = GetLastError();
printf("\nVirtual Alloc error\n");
}
AllocSize = MAXBUFSIZE;
(LPVOID) Clients[CIndex].c_pRecvBuf = VirtualAlloc(
(LPVOID) Clients[CIndex].c_pRecvBuf,
(DWORD)AllocSize,
(DWORD)MEM_COMMIT,
(DWORD)PAGE_READWRITE);
sprintf(Clients[CIndex].c_pRecvBuf,"Client%d Recv Data",CIndex+1);
if (Clients[CIndex].c_pRecvBuf == NULL) {
astatus = GetLastError();
printf("\nVirtual Alloc error\n");
}
return astatus;
}
/************************************************************************/
/*++
This routine deallocates memory for a client.
--*/
NTSTATUS
NMP_Deallocate_Memory(
IN USHORT CIndex) // client index and namedpipe instance number
{
NTSTATUS dstatus;
ULONG DeallocSize;
DeallocSize = MAXBUFSIZE;
dstatus = VirtualFree(
(LPVOID) Clients[CIndex].c_pSendBuf,
DeallocSize,
MEM_DECOMMIT);
if (!NT_SUCCESS(dstatus)) {
return dstatus;
}
DeallocSize = MAXBUFSIZE;
dstatus = VirtualFree(
(LPVOID) Clients[CIndex].c_pRecvBuf,
DeallocSize,
MEM_DECOMMIT);
if (!NT_SUCCESS(dstatus)) {
return dstatus;
}
return dstatus;
}
/************************************************************************/
/*++
This routine is responsible for disconnecting a session.
--*/
NTSTATUS
NMP_Disconnect_From_Server(
IN USHORT CIndex) // client index and namedpipe instance number
{
NTSTATUS dstatus;
dstatus = CloseHandle(Clients[CIndex].c_Nmp.c_PipeHandle);
if (!NT_SUCCESS(dstatus)) {
//DbgPrint("Nmp: Error in Disconnect err: %lx \n", dstatus);
}
return (dstatus);
}
/************************************************************************/
// no need for this function
/*
NTSTATUS
NamedPipe_FsControl(
IN HANDLE lhandle,
IN ULONG FsControlCode,
IN PVOID pInBuffer,
IN ULONG InBufLen,
OUT PVOID pOutBuffer,
IN ULONG OutBufLen)
{
NTSTATUS lstatus;
IO_STATUS_BLOCK ioStatusBlock;
DWORD actOutBufLen;
// now post listen on this handle
lstatus = NtFsControlFile (
lhandle,
NULL,
NULL,
NULL,
&ioStatusBlock,
FsControlCode, // LISTEN or DISCONNECT or TRANSCEIVE maybe PEEK
pInBuffer,
InBufLen,
pOutBuffer, // Xceive or Peek buffer NULL otherwise
OutBufLen // Xceive or peek buffer length 0L otherwise
);
lstatus = TransactNamedPipe(lhandle, // pipe handle
pInBuffer, // write buffer
InBufLen, // write buffer length
pOutBuffer, // read buffer
OutBufLen, // read buffer length
&actOutBufLen, // the actual number of bytes read from the buffer
NULL);
if (lstatus == STATUS_PENDING) {
lstatus = WaitForSingleObjectEx(lhandle,
INFINITE,
TRUE);
if (NT_SUCCESS(lstatus)) {
lstatus = ioStatusBlock.Status;
if (!NT_SUCCESS(lstatus) &&(FsControlCode != FSCTL_PIPE_TRANSCEIVE)) {
//DbgPrint("Listen/Disconn/Xceive failed, err=%lx\n", lstatus);
}
}
else {
//DbgPrint("Error in Wait while FsCtrl %lx\n",lstatus);}
}
else {
if (NT_SUCCESS(lstatus)) {
lstatus = ioStatusBlock.Status;
}
else {
//DbgPrint("Error in FSCTL: %lx\n", lstatus);
}
}
return(lstatus);
}
/*
/************************************************************************/
/*++
This routine does handshake with it's peer. For Server this means
receiving request message from a client. For Client it means just the
opposite.
--*/
NTSTATUS
NMP_DoHandshake(
IN USHORT CIndex, // client index and namedpipe instance number
IN USHORT SrvCli // if it's a server or client
)
{
NTSTATUS dstatus;
ULONG RWLen;
ULONG RWreqLen;
RWreqLen = sizeof(struct reqbuf);
// for server do receive for a request buffer
if (SrvCli) {
dstatus = ReadNamedPipe(
Clients[CIndex].c_Nmp.c_PipeHandle,
RWreqLen,
(PVOID) &(Clients[CIndex].c_reqbuf),
(PULONG) &RWLen);
if (!NT_SUCCESS(dstatus)) {
//DbgPrint("Nmp: Error in ReadNamedPipe: err:%lx \n", dstatus);
return dstatus;
}
}
else { // for Client do send of reqbuf size
// Based on TestCmd make changes i.e. 'U'->'P'
dstatus = WriteNamedPipe(
Clients[CIndex].c_Nmp.c_PipeHandle,
RWreqLen,
(PVOID) &(Clients[CIndex].c_reqbuf),
(PULONG) &RWLen);
if (!NT_SUCCESS(dstatus)) {
//DbgPrint("Nmp: Error in WriteNamedPipe: err:%lx \n", dstatus);
return dstatus;
}
}
// check if read/write length is ok
if (RWLen != sizeof(struct reqbuf)) {
//DbgPrint("Nmp: Read/WriteNamedPipe Len mismatch: read %ld \n", RWLen);
}
// MyDbgPrint("handshake: Sendl:%ld Recvl:%ld \n",Clients[CIndex].c_reqbuf.SendSize,Clients[CIndex].c_reqbuf.RecvSize);
return dstatus;
}
/************************************************************************/
/*++
This routine Reads data from IPC. For server it means reading data
NumSends times in SendBuffers and for a client NumRecvs times into
RecvBuffer.
--*/
NTSTATUS
NMP_ReadFromIPC(
IN USHORT CIndex, // client index and namedpipe instance number
IN OUT PULONG pReadDone,
IN USHORT SrvCli) // if it's a server or client
{
NTSTATUS rstatus;
ULONG NumReads;
ULONG ReadLen;
PCHAR ReadBuf;
if (SrvCli) { // set proper iterations and buffer for Server
NumReads = Clients[CIndex].c_reqbuf.NumSends;
ReadBuf = Clients[CIndex].c_pSendBuf;
ReadLen = Clients[CIndex].c_reqbuf.SendSize;
}
else { // for client do proper settings
NumReads = Clients[CIndex].c_reqbuf.NumRecvs;
ReadBuf = Clients[CIndex].c_pRecvBuf;
ReadLen = Clients[CIndex].c_reqbuf.RecvSize;
}
while (NumReads--) {
rstatus = ReadNamedPipe(
Clients[CIndex].c_Nmp.c_PipeHandle,
ReadLen,
(PVOID) ReadBuf,
(PULONG) pReadDone);
if (!NT_SUCCESS(rstatus)) {
//DbgPrint("Nmp: Error in ReadNamedPipe: err:%lx \n", rstatus);
break;
}
}
return rstatus;
}
/************************************************************************/
NTSTATUS
ReadNamedPipe(
IN HANDLE rhandle,
IN ULONG rlength,
IN OUT PVOID rpbuffer,
IN OUT PULONG rpdatalen)
{
NTSTATUS rstatus;
DWORD actRLength;
rstatus = ReadFile( rhandle, // pipe handle
rpbuffer, // buffer to receive reply
rlength, // size of the buffer
&actRLength, // number of bytes read
NULL); // not overlapped
if (rstatus == TRUE) {
*rpdatalen = actRLength;
}
else {
if (GetLastError() == ERROR_MORE_DATA) {
rstatus = WaitForSingleObjectEx(rhandle,
INFINITE,
TRUE);
if (rstatus == TRUE) {
*rpdatalen = actRLength;
if (rlength != *rpdatalen) {
printf("Error: No. of bytes read != buffer length\n");
}
}
}
}
return(rstatus);
}
/************************************************************************/
/*++
This routine Writes data to IPC. For server it means writing data
NumRecvs times in RecvBuffers and for a client NumSends times into
SendBuffer.
--*/
NTSTATUS
NMP_WriteToIPC(
IN USHORT CIndex, // client index and namedpipe instance number
IN OUT PULONG pWriteDone,
IN USHORT SrvCli) // if it's a server or client
{
NTSTATUS wstatus;
ULONG NumWrites;
ULONG WriteLen;
PCHAR WriteBuf;
if (SrvCli) { // set proper iterations and buffer for Server
NumWrites = Clients[CIndex].c_reqbuf.NumRecvs;
WriteBuf = Clients[CIndex].c_pRecvBuf;
WriteLen = Clients[CIndex].c_reqbuf.RecvSize;
}
else { // for client do proper settings
NumWrites = Clients[CIndex].c_reqbuf.NumSends;
WriteBuf = Clients[CIndex].c_pSendBuf;
WriteLen = Clients[CIndex].c_reqbuf.SendSize;
}
while (NumWrites--) {
wstatus = WriteNamedPipe(
Clients[CIndex].c_Nmp.c_PipeHandle,
WriteLen,
(PVOID) WriteBuf,
(PULONG) pWriteDone);
if (!NT_SUCCESS(wstatus)) {
//DbgPrint("Nmp: Error in WriteNamedPipe: err:%lx \n", wstatus);
break;
}
}
return wstatus;
}
/************************************************************************/
/*++
This routine does transaction type IO to IPC. This just assumes that
both Number of reads and writes are equal and will use Number of reads
as it's basis.
--*/
NTSTATUS
NMP_XactIO(
IN USHORT CIndex, // client index and namedpipe instance number
IN OUT PULONG pReadDone,
IN OUT PULONG pWriteDone,
IN USHORT SrvCli, // if it's a server or client
IN BOOLEAN FirstIter) // ignore for NamedPipe
{
NTSTATUS xstatus;
ULONG NumReads;
ULONG ReadLen;
PCHAR ReadBuf;
ULONG WriteLen;
PCHAR WriteBuf;
DWORD actReadLen;
NumReads = Clients[CIndex].c_reqbuf.NumRecvs;
if (SrvCli) { // set proper iterations and buffer for Server
ReadBuf = Clients[CIndex].c_pSendBuf;
ReadLen = Clients[CIndex].c_reqbuf.SendSize;
WriteBuf = Clients[CIndex].c_pRecvBuf;
WriteLen = Clients[CIndex].c_reqbuf.RecvSize;
}
else { // for client do proper settings
ReadBuf = Clients[CIndex].c_pRecvBuf;
ReadLen = Clients[CIndex].c_reqbuf.RecvSize;
WriteBuf = Clients[CIndex].c_pSendBuf;
WriteLen = Clients[CIndex].c_reqbuf.SendSize;
}
while (NumReads--) {
xstatus = TransactNamedPipe(Clients[CIndex].c_Nmp.c_PipeHandle, // pipe name
WriteBuf, // write buffer
WriteLen, // write buffer length
ReadBuf, // read buffer
ReadLen, // read buffer length
&actReadLen, // actual read buffer length
NULL); // not overlapped
if (xstatus == FALSE) {
printf("Error: TransactNamedPipe failed - 0x%08x\n", GetLastError());
*pReadDone = 0L;
*pWriteDone = 0L;
break;
}
*pReadDone = ReadLen;
*pWriteDone = WriteLen;
}
return xstatus;
}
/************************************************************************/
NTSTATUS
WriteNamedPipe(
IN HANDLE whandle,
IN ULONG wlength,
IN OUT PVOID wpbuffer,
IN OUT PULONG wpdatalen)
{
NTSTATUS wstatus;
DWORD actWLength;
wstatus = WriteFile(whandle, // pipe handle
wpbuffer, // address of data buffer to write to file
wlength, // length of data buffer
&actWLength,// actual length of data read
NULL); // not overlapped
if (wstatus == TRUE) {
*wpdatalen = actWLength;
}
else {
if (GetLastError() == ERROR_MORE_DATA) {
wstatus = WaitForSingleObjectEx(whandle,
INFINITE,
TRUE);
if (wstatus == TRUE) {
*wpdatalen = actWLength;
if (wlength != *wpdatalen) {
printf("Error: No. of bytes written != buffer length\n");
}
}
}
}
return(wstatus);
}
/************************************************************************/
// this is now a win32 defined function
/*
NTSTATUS DisconnectNamedPipe(IN HANDLE dhandle)
{
NTSTATUS wstatus;
// IO_STATUS_BLOCK ioStatusBlock;
wstatus = NamedPipe_FsControl( // post DisConnect
dhandle,
FSCTL_PIPE_DISCONNECT,
NULL, // input buffer
0L, // inbuf len
NULL, // output buffer
0L); // outbuf len
if (!NT_SUCCESS(wstatus)) {
//DbgPrint ("Pipe Disconnect failed, err=%lx\n", wstatus);
}
return(wstatus);
}
*/
/************************************************************************/
/*++ This routine creates one instance of NamedPipe for a given client.
A client is identified by its index number.
--*/
NTSTATUS
CreateNamedPipeInstance(
IN USHORT Nindex) // client index and namedpipe instance number
{
NTSTATUS nstatus = 0;
HANDLE NMPhandle;
NMPhandle = CreateNamedPipe(pipeName, // the given pipe name entered by the user
PIPE_ACCESS_DUPLEX, // GENERIC_READ | GENERIC_WRITE
PIPE_READMODE_MESSAGE | // pipe mode (message...)
PIPE_TYPE_MESSAGE |
PIPE_WAIT,
NClients, // max number of instances(clients)
Quotas, // max in buffer length
Quotas, // max out buffer length
600000, // 60 second default timeout
NULL); // default security attributes
if (NMPhandle == INVALID_HANDLE_VALUE) {
nstatus = GetLastError();
printf ("Failed to Create NamedPipe, err=%lx, %ld\n", nstatus, nstatus);
}
else {
// initialize this client's values
Clients[Nindex].c_Nmp.c_PipeHandle = NMPhandle;
Clients[Nindex].c_client_num = Nindex;//index into the Client array
}
return(nstatus);
}
/************************************************************************/
NTSTATUS
NMP_Cleanup(VOID)
{
return STATUS_SUCCESS;
}
/************************************************************************/
/*++
This routine does a client specific cleanup work.
--*/
NTSTATUS
NMP_ThreadCleanUp(
IN USHORT CIndex)
{
return STATUS_SUCCESS;
}
/************************************************************************/