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527f2f9057
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
119 lines
3.1 KiB
C
119 lines
3.1 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: subsys/system/dhcp/pipe.c
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* PURPOSE: DHCP client pipe
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* PROGRAMMER: arty
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*/
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#include <rosdhcp.h>
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#define NDEBUG
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#include <reactos/debug.h>
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static HANDLE CommPipe = INVALID_HANDLE_VALUE, CommThread;
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DWORD CommThrId;
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#define COMM_PIPE_OUTPUT_BUFFER sizeof(COMM_DHCP_REQ)
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#define COMM_PIPE_INPUT_BUFFER sizeof(COMM_DHCP_REPLY)
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#define COMM_PIPE_DEFAULT_TIMEOUT 1000
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DWORD PipeSend( COMM_DHCP_REPLY *Reply ) {
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DWORD Written = 0;
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BOOL Success =
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WriteFile( CommPipe,
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Reply,
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sizeof(*Reply),
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&Written,
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NULL );
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return Success ? Written : -1;
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}
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DWORD WINAPI PipeThreadProc( LPVOID Parameter ) {
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DWORD BytesRead;
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COMM_DHCP_REQ Req;
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COMM_DHCP_REPLY Reply;
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BOOL Result, Connected;
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while( TRUE ) {
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Connected = ConnectNamedPipe( CommPipe, NULL ) ?
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TRUE : GetLastError() == ERROR_PIPE_CONNECTED;
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if (!Connected) {
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DbgPrint("DHCP: Could not connect named pipe\n");
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CloseHandle( CommPipe );
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CommPipe = INVALID_HANDLE_VALUE;
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break;
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}
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Result = ReadFile( CommPipe, &Req, sizeof(Req), &BytesRead, NULL );
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if( Result ) {
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switch( Req.Type ) {
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case DhcpReqQueryHWInfo:
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DSQueryHWInfo( PipeSend, &Req );
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break;
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case DhcpReqLeaseIpAddress:
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DSLeaseIpAddress( PipeSend, &Req );
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break;
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case DhcpReqReleaseIpAddress:
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DSReleaseIpAddressLease( PipeSend, &Req );
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break;
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case DhcpReqRenewIpAddress:
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DSRenewIpAddressLease( PipeSend, &Req );
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break;
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case DhcpReqStaticRefreshParams:
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DSStaticRefreshParams( PipeSend, &Req );
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break;
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case DhcpReqGetAdapterInfo:
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DSGetAdapterInfo( PipeSend, &Req );
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break;
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default:
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DPRINT1("Unrecognized request type %d\n", Req.Type);
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ZeroMemory( &Reply, sizeof( COMM_DHCP_REPLY ) );
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Reply.Reply = 0;
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PipeSend( &Reply );
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break;
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}
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}
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DisconnectNamedPipe( CommPipe );
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}
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return TRUE;
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}
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HANDLE PipeInit() {
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CommPipe = CreateNamedPipeW
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( DHCP_PIPE_NAME,
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PIPE_ACCESS_DUPLEX | FILE_FLAG_FIRST_PIPE_INSTANCE,
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PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE | PIPE_WAIT,
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1,
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COMM_PIPE_OUTPUT_BUFFER,
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COMM_PIPE_INPUT_BUFFER,
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COMM_PIPE_DEFAULT_TIMEOUT,
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NULL );
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if( CommPipe == INVALID_HANDLE_VALUE ) {
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DbgPrint("DHCP: Could not create named pipe\n");
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return CommPipe;
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}
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CommThread = CreateThread( NULL, 0, PipeThreadProc, NULL, 0, &CommThrId );
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if( !CommThread ) {
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CloseHandle( CommPipe );
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CommPipe = INVALID_HANDLE_VALUE;
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}
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return CommPipe;
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}
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VOID PipeDestroy() {
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CloseHandle( CommPipe );
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CommPipe = INVALID_HANDLE_VALUE;
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}
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