mirror of
https://github.com/reactos/reactos.git
synced 2024-08-28 22:28:36 +00:00
120 lines
3.1 KiB
C
120 lines
3.1 KiB
C
/*
|
|
* COPYRIGHT: See COPYING in the top level directory
|
|
* PROJECT: ReactOS kernel
|
|
* FILE: subsys/system/dhcp/pipe.c
|
|
* PURPOSE: DHCP client pipe
|
|
* PROGRAMMER: arty
|
|
*/
|
|
|
|
#include <rosdhcp.h>
|
|
|
|
#define NDEBUG
|
|
#include <reactos/debug.h>
|
|
|
|
static HANDLE CommPipe = INVALID_HANDLE_VALUE, CommThread;
|
|
DWORD CommThrId;
|
|
|
|
#define COMM_PIPE_OUTPUT_BUFFER sizeof(COMM_DHCP_REQ)
|
|
#define COMM_PIPE_INPUT_BUFFER sizeof(COMM_DHCP_REPLY)
|
|
#define COMM_PIPE_DEFAULT_TIMEOUT 1000
|
|
|
|
DWORD PipeSend( COMM_DHCP_REPLY *Reply ) {
|
|
DWORD Written = 0;
|
|
BOOL Success =
|
|
WriteFile( CommPipe,
|
|
Reply,
|
|
sizeof(*Reply),
|
|
&Written,
|
|
NULL );
|
|
return Success ? Written : -1;
|
|
}
|
|
|
|
DWORD WINAPI PipeThreadProc( LPVOID Parameter ) {
|
|
DWORD BytesRead;
|
|
COMM_DHCP_REQ Req;
|
|
COMM_DHCP_REPLY Reply;
|
|
BOOL Result, Connected;
|
|
|
|
while( TRUE ) {
|
|
Connected = ConnectNamedPipe( CommPipe, NULL ) ?
|
|
TRUE : GetLastError() == ERROR_PIPE_CONNECTED;
|
|
|
|
if (!Connected) {
|
|
DbgPrint("DHCP: Could not connect named pipe\n");
|
|
CloseHandle( CommPipe );
|
|
CommPipe = INVALID_HANDLE_VALUE;
|
|
break;
|
|
}
|
|
|
|
Result = ReadFile( CommPipe, &Req, sizeof(Req), &BytesRead, NULL );
|
|
if( Result ) {
|
|
switch( Req.Type ) {
|
|
case DhcpReqQueryHWInfo:
|
|
DSQueryHWInfo( PipeSend, &Req );
|
|
break;
|
|
|
|
case DhcpReqLeaseIpAddress:
|
|
DSLeaseIpAddress( PipeSend, &Req );
|
|
break;
|
|
|
|
case DhcpReqReleaseIpAddress:
|
|
DSReleaseIpAddressLease( PipeSend, &Req );
|
|
break;
|
|
|
|
case DhcpReqRenewIpAddress:
|
|
DSRenewIpAddressLease( PipeSend, &Req );
|
|
break;
|
|
|
|
case DhcpReqStaticRefreshParams:
|
|
DSStaticRefreshParams( PipeSend, &Req );
|
|
break;
|
|
|
|
case DhcpReqGetAdapterInfo:
|
|
DSGetAdapterInfo( PipeSend, &Req );
|
|
break;
|
|
|
|
default:
|
|
DPRINT1("Unrecognized request type %d\n", Req.Type);
|
|
ZeroMemory( &Reply, sizeof( COMM_DHCP_REPLY ) );
|
|
Reply.Reply = 0;
|
|
PipeSend( &Reply );
|
|
break;
|
|
}
|
|
}
|
|
DisconnectNamedPipe( CommPipe );
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
HANDLE PipeInit() {
|
|
CommPipe = CreateNamedPipeW
|
|
( DHCP_PIPE_NAME,
|
|
PIPE_ACCESS_DUPLEX | FILE_FLAG_FIRST_PIPE_INSTANCE,
|
|
PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE | PIPE_WAIT,
|
|
1,
|
|
COMM_PIPE_OUTPUT_BUFFER,
|
|
COMM_PIPE_INPUT_BUFFER,
|
|
COMM_PIPE_DEFAULT_TIMEOUT,
|
|
NULL );
|
|
|
|
if( CommPipe == INVALID_HANDLE_VALUE ) {
|
|
DbgPrint("DHCP: Could not create named pipe\n");
|
|
return CommPipe;
|
|
}
|
|
|
|
CommThread = CreateThread( NULL, 0, PipeThreadProc, NULL, 0, &CommThrId );
|
|
|
|
if( !CommThread ) {
|
|
CloseHandle( CommPipe );
|
|
CommPipe = INVALID_HANDLE_VALUE;
|
|
}
|
|
|
|
return CommPipe;
|
|
}
|
|
|
|
VOID PipeDestroy() {
|
|
CloseHandle( CommPipe );
|
|
CommPipe = INVALID_HANDLE_VALUE;
|
|
}
|