winpty/debugserver/DebugServer.cc

64 lines
2.2 KiB
C++

// Copyright (c) 2015 Ryan Prichard
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
#include <cstdio>
#include <cstdlib>
#include <windows.h>
// A message may not be larger than this size.
const int MSG_SIZE = 4096;
int main() {
HANDLE serverPipe = CreateNamedPipeW(
L"\\\\.\\pipe\\DebugServer",
PIPE_ACCESS_DUPLEX,
PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE,
PIPE_UNLIMITED_INSTANCES,
MSG_SIZE,
MSG_SIZE,
10 * 1000,
NULL);
char msgBuffer[MSG_SIZE];
while (true) {
if (!ConnectNamedPipe(serverPipe, NULL)) {
fprintf(stderr, "Error: ConnectNamedPipe failed\n");
fflush(stderr);
exit(1);
}
DWORD bytesRead = 0;
if (!ReadFile(serverPipe, msgBuffer, MSG_SIZE, &bytesRead, NULL)) {
fprintf(stderr, "Error: ReadFile on pipe failed\n");
fflush(stderr);
DisconnectNamedPipe(serverPipe);
continue;
}
msgBuffer[bytesRead] = '\0';
printf("%s\n", msgBuffer);
fflush(stdout);
DWORD bytesWritten = 0;
WriteFile(serverPipe, "OK", 2, &bytesWritten, NULL);
DisconnectNamedPipe(serverPipe);
}
}