mirror of
https://github.com/git/git.git
synced 2024-11-01 06:47:52 +01:00
06ba9d03e3
Create a test-tool helper to create the server side of a windows named pipe, wait for a client connection, and copy data written to the pipe to stdout. Create t0051 test to route GIT_TRACE output of a command to a named pipe using the above test-tool helper. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
#include "test-tool.h"
|
|
#include "git-compat-util.h"
|
|
#include "strbuf.h"
|
|
|
|
#ifdef GIT_WINDOWS_NATIVE
|
|
static const char *usage_string = "<pipe-filename>";
|
|
|
|
#define TEST_BUFSIZE (4096)
|
|
|
|
int cmd__windows_named_pipe(int argc, const char **argv)
|
|
{
|
|
const char *filename;
|
|
struct strbuf pathname = STRBUF_INIT;
|
|
int err;
|
|
HANDLE h;
|
|
BOOL connected;
|
|
char buf[TEST_BUFSIZE + 1];
|
|
|
|
if (argc < 2)
|
|
goto print_usage;
|
|
filename = argv[1];
|
|
if (strchr(filename, '/') || strchr(filename, '\\'))
|
|
goto print_usage;
|
|
strbuf_addf(&pathname, "//./pipe/%s", filename);
|
|
|
|
/*
|
|
* Create a single instance of the server side of the named pipe.
|
|
* This will allow exactly one client instance to connect to it.
|
|
*/
|
|
h = CreateNamedPipeA(
|
|
pathname.buf,
|
|
PIPE_ACCESS_INBOUND | FILE_FLAG_FIRST_PIPE_INSTANCE,
|
|
PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE | PIPE_WAIT,
|
|
PIPE_UNLIMITED_INSTANCES,
|
|
TEST_BUFSIZE, TEST_BUFSIZE, 0, NULL);
|
|
if (h == INVALID_HANDLE_VALUE) {
|
|
err = err_win_to_posix(GetLastError());
|
|
fprintf(stderr, "CreateNamedPipe failed: %s\n",
|
|
strerror(err));
|
|
return err;
|
|
}
|
|
|
|
connected = ConnectNamedPipe(h, NULL)
|
|
? TRUE
|
|
: (GetLastError() == ERROR_PIPE_CONNECTED);
|
|
if (!connected) {
|
|
err = err_win_to_posix(GetLastError());
|
|
fprintf(stderr, "ConnectNamedPipe failed: %s\n",
|
|
strerror(err));
|
|
CloseHandle(h);
|
|
return err;
|
|
}
|
|
|
|
while (1) {
|
|
DWORD nbr;
|
|
BOOL success = ReadFile(h, buf, TEST_BUFSIZE, &nbr, NULL);
|
|
if (!success || nbr == 0)
|
|
break;
|
|
buf[nbr] = 0;
|
|
|
|
write(1, buf, nbr);
|
|
}
|
|
|
|
DisconnectNamedPipe(h);
|
|
CloseHandle(h);
|
|
return 0;
|
|
|
|
print_usage:
|
|
fprintf(stderr, "usage: %s %s\n", argv[0], usage_string);
|
|
return 1;
|
|
}
|
|
#endif
|