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/*
* Unit tests for named pipe functions in Wine
*
* Copyright (c) 2002 Dan Kegel
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <time.h>
#include <windef.h>
#include <winbase.h>
#include <winsock.h>
#include <wtypes.h>
#include <winerror.h>
#include "wine/test.h"
#define PIPENAME "\\\\.\\PiPe\\tests_pipe.c"
#define NB_SERVER_LOOPS 8
static HANDLE alarm_event;
static void test_CreateNamedPipe(int pipemode)
{
HANDLE hnp;
HANDLE hFile;
static const char obuf[] = "Bit Bucket";
static const char obuf2[] = "More bits";
char ibuf[32], *pbuf;
DWORD written;
DWORD readden;
DWORD avail;
DWORD lpmode;
if (pipemode == PIPE_TYPE_BYTE)
trace("test_CreateNamedPipe starting in byte mode\n");
else
trace("test_CreateNamedPipe starting in message mode\n");
/* Bad parameter checks */
hnp = CreateNamedPipe("not a named pipe", PIPE_ACCESS_DUPLEX, pipemode | PIPE_WAIT,
/* nMaxInstances */ 1,
/* nOutBufSize */ 1024,
/* nInBufSize */ 1024,
/* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
/* lpSecurityAttrib */ NULL);
if (hnp == INVALID_HANDLE_VALUE && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED) {
/* Is this the right way to notify user of skipped tests? */
ok(hnp == INVALID_HANDLE_VALUE && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED,
"CreateNamedPipe not supported on this platform, skipping tests.\n");
return;
}
ok(hnp == INVALID_HANDLE_VALUE && GetLastError() == ERROR_INVALID_NAME,
"CreateNamedPipe should fail if name doesn't start with \\\\.\\pipe\n");
hnp = CreateNamedPipe(NULL,
PIPE_ACCESS_DUPLEX, pipemode | PIPE_WAIT,
1, 1024, 1024, NMPWAIT_USE_DEFAULT_WAIT, NULL);
ok(hnp == INVALID_HANDLE_VALUE && GetLastError() == ERROR_PATH_NOT_FOUND,
"CreateNamedPipe should fail if name is NULL\n");
hFile = CreateFileA(PIPENAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
ok(hFile == INVALID_HANDLE_VALUE
&& GetLastError() == ERROR_FILE_NOT_FOUND,
"connecting to nonexistent named pipe should fail with ERROR_FILE_NOT_FOUND\n");
/* Functional checks */
hnp = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX, pipemode | PIPE_WAIT,
/* nMaxInstances */ 1,
/* nOutBufSize */ 1024,
/* nInBufSize */ 1024,
/* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
/* lpSecurityAttrib */ NULL);
ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
ok(WaitNamedPipeA(PIPENAME, 2000), "WaitNamedPipe failed (%d)\n", GetLastError());
hFile = CreateFileA(PIPENAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
ok(hFile != INVALID_HANDLE_VALUE, "CreateFile failed (%d)\n", GetLastError());
/* don't try to do i/o if one side couldn't be opened, as it hangs */
if (hFile != INVALID_HANDLE_VALUE) {
HANDLE hFile2;
/* Make sure we can read and write a few bytes in both directions */
memset(ibuf, 0, sizeof(ibuf));
ok(WriteFile(hnp, obuf, sizeof(obuf), &written, NULL), "WriteFile\n");
ok(written == sizeof(obuf), "write file len 1\n");
ok(PeekNamedPipe(hFile, NULL, 0, NULL, &readden, NULL), "Peek\n");
ok(readden == sizeof(obuf), "peek 1 got %d bytes\n", readden);
ok(ReadFile(hFile, ibuf, sizeof(ibuf), &readden, NULL), "ReadFile\n");
ok(readden == sizeof(obuf), "read 1 got %d bytes\n", readden);
ok(memcmp(obuf, ibuf, written) == 0, "content 1 check\n");
memset(ibuf, 0, sizeof(ibuf));
ok(WriteFile(hFile, obuf2, sizeof(obuf2), &written, NULL), "WriteFile\n");
ok(written == sizeof(obuf2), "write file len 2\n");
ok(PeekNamedPipe(hnp, NULL, 0, NULL, &readden, NULL), "Peek\n");
ok(readden == sizeof(obuf2), "peek 2 got %d bytes\n", readden);
ok(PeekNamedPipe(hnp, (LPVOID)1, 0, NULL, &readden, NULL), "Peek\n");
ok(readden == sizeof(obuf2), "peek 2 got %d bytes\n", readden);
ok(ReadFile(hnp, ibuf, sizeof(ibuf), &readden, NULL), "ReadFile\n");
ok(readden == sizeof(obuf2), "read 2 got %d bytes\n", readden);
ok(memcmp(obuf2, ibuf, written) == 0, "content 2 check\n");
/* Test reading of multiple writes */
memset(ibuf, 0, sizeof(ibuf));
ok(WriteFile(hnp, obuf, sizeof(obuf), &written, NULL), "WriteFile3a\n");
ok(written == sizeof(obuf), "write file len 3a\n");
ok(WriteFile(hnp, obuf2, sizeof(obuf2), &written, NULL), " WriteFile3b\n");
ok(written == sizeof(obuf2), "write file len 3b\n");
ok(PeekNamedPipe(hFile, ibuf, sizeof(ibuf), &readden, &avail, NULL), "Peek3\n");
if (pipemode == PIPE_TYPE_BYTE) {
if (readden != sizeof(obuf)) /* Linux only returns the first message */
ok(readden == sizeof(obuf) + sizeof(obuf2), "peek3 got %d bytes\n", readden);
else
todo_wine ok(readden == sizeof(obuf) + sizeof(obuf2), "peek3 got %d bytes\n", readden);
}
else
{
if (readden != sizeof(obuf) + sizeof(obuf2)) /* MacOS returns both messages */
ok(readden == sizeof(obuf), "peek3 got %d bytes\n", readden);
else
todo_wine ok(readden == sizeof(obuf), "peek3 got %d bytes\n", readden);
}
if (avail != sizeof(obuf)) /* older Linux kernels only return the first write here */
ok(avail == sizeof(obuf) + sizeof(obuf2), "peek3 got %d bytes available\n", avail);
pbuf = ibuf;
ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "pipe content 3a check\n");
if (pipemode == PIPE_TYPE_BYTE && readden >= sizeof(obuf)+sizeof(obuf2)) {
pbuf += sizeof(obuf);
ok(memcmp(obuf2, pbuf, sizeof(obuf2)) == 0, "pipe content 3b check\n");
}
ok(ReadFile(hFile, ibuf, sizeof(ibuf), &readden, NULL), "ReadFile\n");
ok(readden == sizeof(obuf) + sizeof(obuf2), "read 3 got %d bytes\n", readden);
pbuf = ibuf;
ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "content 3a check\n");
pbuf += sizeof(obuf);
ok(memcmp(obuf2, pbuf, sizeof(obuf2)) == 0, "content 3b check\n");
/* Multiple writes in the reverse direction */
memset(ibuf, 0, sizeof(ibuf));
ok(WriteFile(hFile, obuf, sizeof(obuf), &written, NULL), "WriteFile4a\n");
ok(written == sizeof(obuf), "write file len 4a\n");
ok(WriteFile(hFile, obuf2, sizeof(obuf2), &written, NULL), " WriteFile4b\n");
ok(written == sizeof(obuf2), "write file len 4b\n");
ok(PeekNamedPipe(hnp, ibuf, sizeof(ibuf), &readden, &avail, NULL), "Peek4\n");
if (pipemode == PIPE_TYPE_BYTE) {
if (readden != sizeof(obuf)) /* Linux only returns the first message */
/* should return all 23 bytes */
ok(readden == sizeof(obuf) + sizeof(obuf2), "peek4 got %d bytes\n", readden);
else
todo_wine ok(readden == sizeof(obuf) + sizeof(obuf2), "peek4 got %d bytes\n", readden);
}
else
{
if (readden != sizeof(obuf) + sizeof(obuf2)) /* MacOS returns both messages */
ok(readden == sizeof(obuf), "peek4 got %d bytes\n", readden);
else
todo_wine ok(readden == sizeof(obuf), "peek4 got %d bytes\n", readden);
}
if (avail != sizeof(obuf)) /* older Linux kernels only return the first write here */
ok(avail == sizeof(obuf) + sizeof(obuf2), "peek4 got %d bytes available\n", avail);
pbuf = ibuf;
ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "pipe content 4a check\n");
if (pipemode == PIPE_TYPE_BYTE && readden >= sizeof(obuf)+sizeof(obuf2)) {
pbuf += sizeof(obuf);
ok(memcmp(obuf2, pbuf, sizeof(obuf2)) == 0, "pipe content 4b check\n");
}
ok(ReadFile(hnp, ibuf, sizeof(ibuf), &readden, NULL), "ReadFile\n");
if (pipemode == PIPE_TYPE_BYTE) {
ok(readden == sizeof(obuf) + sizeof(obuf2), "read 4 got %d bytes\n", readden);
}
else {
todo_wine {
ok(readden == sizeof(obuf), "read 4 got %d bytes\n", readden);
}
}
pbuf = ibuf;
ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "content 4a check\n");
if (pipemode == PIPE_TYPE_BYTE) {
pbuf += sizeof(obuf);
ok(memcmp(obuf2, pbuf, sizeof(obuf2)) == 0, "content 4b check\n");
}
/* Test reading of multiple writes after a mode change
(CreateFile always creates a byte mode pipe) */
lpmode = PIPE_READMODE_MESSAGE;
if (pipemode == PIPE_TYPE_BYTE) {
/* trying to change the client end of a byte pipe to message mode should fail */
ok(!SetNamedPipeHandleState(hFile, &lpmode, NULL, NULL), "Change mode\n");
}
else {
todo_wine {
ok(SetNamedPipeHandleState(hFile, &lpmode, NULL, NULL), "Change mode\n");
}
memset(ibuf, 0, sizeof(ibuf));
ok(WriteFile(hnp, obuf, sizeof(obuf), &written, NULL), "WriteFile5a\n");
ok(written == sizeof(obuf), "write file len 3a\n");
ok(WriteFile(hnp, obuf2, sizeof(obuf2), &written, NULL), " WriteFile5b\n");
ok(written == sizeof(obuf2), "write file len 3b\n");
ok(PeekNamedPipe(hFile, ibuf, sizeof(ibuf), &readden, &avail, NULL), "Peek5\n");
if (readden != sizeof(obuf) + sizeof(obuf2)) /* MacOS returns both writes */
ok(readden == sizeof(obuf), "peek5 got %d bytes\n", readden);
else
todo_wine ok(readden == sizeof(obuf), "peek5 got %d bytes\n", readden);
if (avail != sizeof(obuf)) /* older Linux kernels only return the first write here */
ok(avail == sizeof(obuf) + sizeof(obuf2), "peek5 got %d bytes available\n", avail);
else
todo_wine ok(avail == sizeof(obuf) + sizeof(obuf2), "peek5 got %d bytes available\n", avail);
pbuf = ibuf;
ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "content 5a check\n");
ok(ReadFile(hFile, ibuf, sizeof(ibuf), &readden, NULL), "ReadFile\n");
todo_wine {
ok(readden == sizeof(obuf), "read 5 got %d bytes\n", readden);
}
pbuf = ibuf;
ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "content 5a check\n");
/* Multiple writes in the reverse direction */
/* the write of obuf2 from write4 should still be in the buffer */
ok(PeekNamedPipe(hnp, ibuf, sizeof(ibuf), &readden, &avail, NULL), "Peek6a\n");
todo_wine {
ok(readden == sizeof(obuf2), "peek6a got %d bytes\n", readden);
ok(avail == sizeof(obuf2), "peek6a got %d bytes available\n", avail);
}
if (avail > 0) {
ok(ReadFile(hnp, ibuf, sizeof(ibuf), &readden, NULL), "ReadFile\n");
ok(readden == sizeof(obuf2), "read 6a got %d bytes\n", readden);
pbuf = ibuf;
ok(memcmp(obuf2, pbuf, sizeof(obuf2)) == 0, "content 6a check\n");
}
memset(ibuf, 0, sizeof(ibuf));
ok(WriteFile(hFile, obuf, sizeof(obuf), &written, NULL), "WriteFile6a\n");
ok(written == sizeof(obuf), "write file len 6a\n");
ok(WriteFile(hFile, obuf2, sizeof(obuf2), &written, NULL), " WriteFile6b\n");
ok(written == sizeof(obuf2), "write file len 6b\n");
ok(PeekNamedPipe(hnp, ibuf, sizeof(ibuf), &readden, &avail, NULL), "Peek6\n");
if (readden != sizeof(obuf) + sizeof(obuf2)) /* MacOS returns both writes */
ok(readden == sizeof(obuf), "peek6 got %d bytes\n", readden);
else
todo_wine ok(readden == sizeof(obuf), "peek6 got %d bytes\n", readden);
if (avail != sizeof(obuf)) /* older Linux kernels only return the first write here */
ok(avail == sizeof(obuf) + sizeof(obuf2), "peek6b got %d bytes available\n", avail);
pbuf = ibuf;
ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "content 6a check\n");
ok(ReadFile(hnp, ibuf, sizeof(ibuf), &readden, NULL), "ReadFile\n");
todo_wine {
ok(readden == sizeof(obuf), "read 6b got %d bytes\n", readden);
}
pbuf = ibuf;
ok(memcmp(obuf, pbuf, sizeof(obuf)) == 0, "content 6a check\n");
}
/* Picky conformance tests */
/* Verify that you can't connect to pipe again
* until server calls DisconnectNamedPipe+ConnectNamedPipe
* or creates a new pipe
* case 1: other client not yet closed
*/
hFile2 = CreateFileA(PIPENAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
ok(hFile2 == INVALID_HANDLE_VALUE,
"connecting to named pipe after other client closes but before DisconnectNamedPipe should fail\n");
ok(GetLastError() == ERROR_PIPE_BUSY,
"connecting to named pipe before other client closes should fail with ERROR_PIPE_BUSY\n");
ok(CloseHandle(hFile), "CloseHandle\n");
/* case 2: other client already closed */
hFile = CreateFileA(PIPENAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
ok(hFile == INVALID_HANDLE_VALUE,
"connecting to named pipe after other client closes but before DisconnectNamedPipe should fail\n");
ok(GetLastError() == ERROR_PIPE_BUSY,
"connecting to named pipe after other client closes but before DisconnectNamedPipe should fail with ERROR_PIPE_BUSY\n");
ok(DisconnectNamedPipe(hnp), "DisconnectNamedPipe\n");
/* case 3: server has called DisconnectNamedPipe but not ConnectNamed Pipe */
hFile = CreateFileA(PIPENAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
ok(hFile == INVALID_HANDLE_VALUE,
"connecting to named pipe after other client closes but before DisconnectNamedPipe should fail\n");
ok(GetLastError() == ERROR_PIPE_BUSY,
"connecting to named pipe after other client closes but before ConnectNamedPipe should fail with ERROR_PIPE_BUSY\n");
/* to be complete, we'd call ConnectNamedPipe here and loop,
* but by default that's blocking, so we'd either have
* to turn on the uncommon nonblocking mode, or
* use another thread.
*/
}
ok(CloseHandle(hnp), "CloseHandle\n");
trace("test_CreateNamedPipe returning\n");
}
static void test_CreateNamedPipe_instances_must_match(void)
{
HANDLE hnp, hnp2;
/* Check no mismatch */
hnp = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_WAIT,
/* nMaxInstances */ 2,
/* nOutBufSize */ 1024,
/* nInBufSize */ 1024,
/* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
/* lpSecurityAttrib */ NULL);
ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
hnp2 = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_WAIT,
/* nMaxInstances */ 2,
/* nOutBufSize */ 1024,
/* nInBufSize */ 1024,
/* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
/* lpSecurityAttrib */ NULL);
ok(hnp2 != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
ok(CloseHandle(hnp), "CloseHandle\n");
ok(CloseHandle(hnp2), "CloseHandle\n");
/* Check nMaxInstances */
hnp = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_WAIT,
/* nMaxInstances */ 1,
/* nOutBufSize */ 1024,
/* nInBufSize */ 1024,
/* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
/* lpSecurityAttrib */ NULL);
ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
hnp2 = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_WAIT,
/* nMaxInstances */ 1,
/* nOutBufSize */ 1024,
/* nInBufSize */ 1024,
/* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
/* lpSecurityAttrib */ NULL);
ok(hnp2 == INVALID_HANDLE_VALUE
&& GetLastError() == ERROR_PIPE_BUSY, "nMaxInstances not obeyed\n");
ok(CloseHandle(hnp), "CloseHandle\n");
/* Check PIPE_ACCESS_* */
hnp = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_WAIT,
/* nMaxInstances */ 2,
/* nOutBufSize */ 1024,
/* nInBufSize */ 1024,
/* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
/* lpSecurityAttrib */ NULL);
ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
hnp2 = CreateNamedPipe(PIPENAME, PIPE_ACCESS_INBOUND, PIPE_TYPE_BYTE | PIPE_WAIT,
/* nMaxInstances */ 1,
/* nOutBufSize */ 1024,
/* nInBufSize */ 1024,
/* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
/* lpSecurityAttrib */ NULL);
ok(hnp2 == INVALID_HANDLE_VALUE
&& GetLastError() == ERROR_ACCESS_DENIED, "PIPE_ACCESS_* mismatch allowed\n");
ok(CloseHandle(hnp), "CloseHandle\n");
/* etc, etc */
}
/** implementation of alarm() */
static DWORD CALLBACK alarmThreadMain(LPVOID arg)
{
DWORD timeout = (DWORD) arg;
trace("alarmThreadMain\n");
if (WaitForSingleObject( alarm_event, timeout ) == WAIT_TIMEOUT)
{
ok(FALSE, "alarm\n");
ExitProcess(1);
}
return 1;
}
HANDLE hnp = INVALID_HANDLE_VALUE;
/** Trivial byte echo server - disconnects after each session */
static DWORD CALLBACK serverThreadMain1(LPVOID arg)
{
int i;
trace("serverThreadMain1 start\n");
/* Set up a simple echo server */
hnp = CreateNamedPipe(PIPENAME "serverThreadMain1", PIPE_ACCESS_DUPLEX,
PIPE_TYPE_BYTE | PIPE_WAIT,
/* nMaxInstances */ 1,
/* nOutBufSize */ 1024,
/* nInBufSize */ 1024,
/* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
/* lpSecurityAttrib */ NULL);
ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
for (i = 0; i < NB_SERVER_LOOPS; i++) {
char buf[512];
DWORD written;
DWORD readden;
DWORD success;
/* Wait for client to connect */
trace("Server calling ConnectNamedPipe...\n");
ok(ConnectNamedPipe(hnp, NULL)
|| GetLastError() == ERROR_PIPE_CONNECTED, "ConnectNamedPipe\n");
trace("ConnectNamedPipe returned.\n");
/* Echo bytes once */
memset(buf, 0, sizeof(buf));
trace("Server reading...\n");
success = ReadFile(hnp, buf, sizeof(buf), &readden, NULL);
trace("Server done reading.\n");
ok(success, "ReadFile\n");
ok(readden, "short read\n");
trace("Server writing...\n");
ok(WriteFile(hnp, buf, readden, &written, NULL), "WriteFile\n");
trace("Server done writing.\n");
ok(written == readden, "write file len\n");
/* finish this connection, wait for next one */
ok(FlushFileBuffers(hnp), "FlushFileBuffers\n");
trace("Server done flushing.\n");
ok(DisconnectNamedPipe(hnp), "DisconnectNamedPipe\n");
trace("Server done disconnecting.\n");
}
return 0;
}
/** Trivial byte echo server - closes after each connection */
static DWORD CALLBACK serverThreadMain2(LPVOID arg)
{
int i;
HANDLE hnpNext = 0;
trace("serverThreadMain2\n");
/* Set up a simple echo server */
hnp = CreateNamedPipe(PIPENAME "serverThreadMain2", PIPE_ACCESS_DUPLEX,
PIPE_TYPE_BYTE | PIPE_WAIT,
/* nMaxInstances */ 2,
/* nOutBufSize */ 1024,
/* nInBufSize */ 1024,
/* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
/* lpSecurityAttrib */ NULL);
ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
for (i = 0; i < NB_SERVER_LOOPS; i++) {
char buf[512];
DWORD written;
DWORD readden;
DWORD success;
/* Wait for client to connect */
trace("Server calling ConnectNamedPipe...\n");
ok(ConnectNamedPipe(hnp, NULL)
|| GetLastError() == ERROR_PIPE_CONNECTED, "ConnectNamedPipe\n");
trace("ConnectNamedPipe returned.\n");
/* Echo bytes once */
memset(buf, 0, sizeof(buf));
trace("Server reading...\n");
success = ReadFile(hnp, buf, sizeof(buf), &readden, NULL);
trace("Server done reading.\n");
ok(success, "ReadFile\n");
trace("Server writing...\n");
ok(WriteFile(hnp, buf, readden, &written, NULL), "WriteFile\n");
trace("Server done writing.\n");
ok(written == readden, "write file len\n");
/* finish this connection, wait for next one */
ok(FlushFileBuffers(hnp), "FlushFileBuffers\n");
ok(DisconnectNamedPipe(hnp), "DisconnectNamedPipe\n");
/* Set up next echo server */
hnpNext =
CreateNamedPipe(PIPENAME "serverThreadMain2", PIPE_ACCESS_DUPLEX,
PIPE_TYPE_BYTE | PIPE_WAIT,
/* nMaxInstances */ 2,
/* nOutBufSize */ 1024,
/* nInBufSize */ 1024,
/* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
/* lpSecurityAttrib */ NULL);
ok(hnpNext != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
ok(CloseHandle(hnp), "CloseHandle\n");
hnp = hnpNext;
}
return 0;
}
/** Trivial byte echo server - uses overlapped named pipe calls */
static DWORD CALLBACK serverThreadMain3(LPVOID arg)
{
int i;
HANDLE hEvent;
trace("serverThreadMain3\n");
/* Set up a simple echo server */
hnp = CreateNamedPipe(PIPENAME "serverThreadMain3", PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_BYTE | PIPE_WAIT,
/* nMaxInstances */ 1,
/* nOutBufSize */ 1024,
/* nInBufSize */ 1024,
/* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
/* lpSecurityAttrib */ NULL);
ok(hnp != INVALID_HANDLE_VALUE, "CreateNamedPipe failed\n");
hEvent = CreateEvent(NULL, /* security attribute */
TRUE, /* manual reset event */
FALSE, /* initial state */
NULL); /* name */
ok(hEvent != NULL, "CreateEvent\n");
for (i = 0; i < NB_SERVER_LOOPS; i++) {
char buf[512];
DWORD written;
DWORD readden;
DWORD dummy;
DWORD success;
OVERLAPPED oOverlap;
int letWFSOEwait = (i & 2);
int letGORwait = (i & 1);
DWORD err;
memset(&oOverlap, 0, sizeof(oOverlap));
oOverlap.hEvent = hEvent;
/* Wait for client to connect */
trace("Server calling overlapped ConnectNamedPipe...\n");
success = ConnectNamedPipe(hnp, &oOverlap);
err = GetLastError();
ok(success || err == ERROR_IO_PENDING
|| err == ERROR_PIPE_CONNECTED, "overlapped ConnectNamedPipe\n");
trace("overlapped ConnectNamedPipe returned.\n");
if (!success && (err == ERROR_IO_PENDING) && letWFSOEwait)
ok(WaitForSingleObjectEx(hEvent, INFINITE, TRUE) == 0, "wait ConnectNamedPipe\n");
success = GetOverlappedResult(hnp, &oOverlap, &dummy, letGORwait);
if (!letGORwait && !letWFSOEwait && !success) {
ok(GetLastError() == ERROR_IO_INCOMPLETE, "GetOverlappedResult\n");
success = GetOverlappedResult(hnp, &oOverlap, &dummy, TRUE);
}
ok(success, "GetOverlappedResult ConnectNamedPipe\n");
trace("overlapped ConnectNamedPipe operation complete.\n");
/* Echo bytes once */
memset(buf, 0, sizeof(buf));
trace("Server reading...\n");
success = ReadFile(hnp, buf, sizeof(buf), NULL, &oOverlap);
trace("Server ReadFile returned...\n");
err = GetLastError();
ok(success || err == ERROR_IO_PENDING, "overlapped ReadFile\n");
trace("overlapped ReadFile returned.\n");
if (!success && (err == ERROR_IO_PENDING) && letWFSOEwait)
ok(WaitForSingleObjectEx(hEvent, INFINITE, TRUE) == 0, "wait ReadFile\n");
success = GetOverlappedResult(hnp, &oOverlap, &readden, letGORwait);
if (!letGORwait && !letWFSOEwait && !success) {
ok(GetLastError() == ERROR_IO_INCOMPLETE, "GetOverlappedResult\n");
success = GetOverlappedResult(hnp, &oOverlap, &readden, TRUE);
}
trace("Server done reading.\n");
ok(success, "overlapped ReadFile\n");
trace("Server writing...\n");
success = WriteFile(hnp, buf, readden, NULL, &oOverlap);
trace("Server WriteFile returned...\n");
err = GetLastError();
ok(success || err == ERROR_IO_PENDING, "overlapped WriteFile\n");
trace("overlapped WriteFile returned.\n");
if (!success && (err == ERROR_IO_PENDING) && letWFSOEwait)
ok(WaitForSingleObjectEx(hEvent, INFINITE, TRUE) == 0, "wait WriteFile\n");
success = GetOverlappedResult(hnp, &oOverlap, &written, letGORwait);
if (!letGORwait && !letWFSOEwait && !success) {
ok(GetLastError() == ERROR_IO_INCOMPLETE, "GetOverlappedResult\n");
success = GetOverlappedResult(hnp, &oOverlap, &written, TRUE);
}
trace("Server done writing.\n");
ok(success, "overlapped WriteFile\n");
ok(written == readden, "write file len\n");
/* finish this connection, wait for next one */
ok(FlushFileBuffers(hnp), "FlushFileBuffers\n");
ok(DisconnectNamedPipe(hnp), "DisconnectNamedPipe\n");
}
return 0;
}
static void exercizeServer(const char *pipename, HANDLE serverThread)
{
int i;
trace("exercizeServer starting\n");
for (i = 0; i < NB_SERVER_LOOPS; i++) {
HANDLE hFile=INVALID_HANDLE_VALUE;
static const char obuf[] = "Bit Bucket";
char ibuf[32];
DWORD written;
DWORD readden;
int loop;
for (loop = 0; loop < 3; loop++) {
DWORD err;
trace("Client connecting...\n");
/* Connect to the server */
hFile = CreateFileA(pipename, GENERIC_READ | GENERIC_WRITE, 0,
NULL, OPEN_EXISTING, 0, 0);
if (hFile != INVALID_HANDLE_VALUE)
break;
err = GetLastError();
if (loop == 0)
ok(err == ERROR_PIPE_BUSY || err == ERROR_FILE_NOT_FOUND, "connecting to pipe\n");
else
ok(err == ERROR_PIPE_BUSY, "connecting to pipe\n");
trace("connect failed, retrying\n");
Sleep(200);
}
ok(hFile != INVALID_HANDLE_VALUE, "client opening named pipe\n");
/* Make sure it can echo */
memset(ibuf, 0, sizeof(ibuf));
trace("Client writing...\n");
ok(WriteFile(hFile, obuf, sizeof(obuf), &written, NULL), "WriteFile to client end of pipe\n");
ok(written == sizeof(obuf), "write file len\n");
trace("Client reading...\n");
ok(ReadFile(hFile, ibuf, sizeof(obuf), &readden, NULL), "ReadFile from client end of pipe\n");
ok(readden == sizeof(obuf), "read file len\n");
ok(memcmp(obuf, ibuf, written) == 0, "content check\n");
trace("Client closing...\n");
ok(CloseHandle(hFile), "CloseHandle\n");
}
ok(WaitForSingleObject(serverThread,INFINITE) == WAIT_OBJECT_0, "WaitForSingleObject\n");
CloseHandle(hnp);
trace("exercizeServer returning\n");
}
static void test_NamedPipe_2(void)
{
HANDLE serverThread;
DWORD serverThreadId;
HANDLE alarmThread;
DWORD alarmThreadId;
trace("test_NamedPipe_2 starting\n");
/* Set up a ten second timeout */
alarm_event = CreateEvent( NULL, TRUE, FALSE, NULL );
alarmThread = CreateThread(NULL, 0, alarmThreadMain, (void *) 10000, 0, &alarmThreadId);
/* The servers we're about to exercize do try to clean up carefully,
* but to reduce the change of a test failure due to a pipe handle
* leak in the test code, we'll use a different pipe name for each server.
*/
/* Try server #1 */
serverThread = CreateThread(NULL, 0, serverThreadMain1, (void *)8, 0, &serverThreadId);
ok(serverThread != INVALID_HANDLE_VALUE, "CreateThread\n");
exercizeServer(PIPENAME "serverThreadMain1", serverThread);
/* Try server #2 */
serverThread = CreateThread(NULL, 0, serverThreadMain2, 0, 0, &serverThreadId);
ok(serverThread != INVALID_HANDLE_VALUE, "CreateThread\n");
exercizeServer(PIPENAME "serverThreadMain2", serverThread);
if( 0 ) /* overlapped pipe server doesn't work yet - it randomly fails */
{
/* Try server #3 */
serverThread = CreateThread(NULL, 0, serverThreadMain3, 0, 0, &serverThreadId);
ok(serverThread != INVALID_HANDLE_VALUE, "CreateThread\n");
exercizeServer(PIPENAME "serverThreadMain3", serverThread);
}
ok(SetEvent( alarm_event ), "SetEvent\n");
CloseHandle( alarm_event );
trace("test_NamedPipe_2 returning\n");
}
static int test_DisconnectNamedPipe(void)
{
HANDLE hnp;
HANDLE hFile;
static const char obuf[] = "Bit Bucket";
char ibuf[32];
DWORD written;
DWORD readden;
hnp = CreateNamedPipe(PIPENAME, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_WAIT,
/* nMaxInstances */ 1,
/* nOutBufSize */ 1024,
/* nInBufSize */ 1024,
/* nDefaultWait */ NMPWAIT_USE_DEFAULT_WAIT,
/* lpSecurityAttrib */ NULL);
if (INVALID_HANDLE_VALUE == hnp) {
trace ("Seems we have no named pipes.\n");
return 1;
}
ok(WriteFile(hnp, obuf, sizeof(obuf), &written, NULL) == 0
&& GetLastError() == ERROR_PIPE_LISTENING, "WriteFile to not-yet-connected pipe\n");
ok(ReadFile(hnp, ibuf, sizeof(ibuf), &readden, NULL) == 0
&& GetLastError() == ERROR_PIPE_LISTENING, "ReadFile from not-yet-connected pipe\n");
hFile = CreateFileA(PIPENAME, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);
ok(hFile != INVALID_HANDLE_VALUE, "CreateFile failed\n");
/* don't try to do i/o if one side couldn't be opened, as it hangs */
if (hFile != INVALID_HANDLE_VALUE) {
/* see what happens if server calls DisconnectNamedPipe
* when there are bytes in the pipe
*/
ok(WriteFile(hFile, obuf, sizeof(obuf), &written, NULL), "WriteFile\n");
ok(written == sizeof(obuf), "write file len\n");
ok(DisconnectNamedPipe(hnp), "DisconnectNamedPipe while messages waiting\n");
ok(WriteFile(hFile, obuf, sizeof(obuf), &written, NULL) == 0
&& GetLastError() == ERROR_PIPE_NOT_CONNECTED, "WriteFile to disconnected pipe\n");
ok(ReadFile(hnp, ibuf, sizeof(ibuf), &readden, NULL) == 0
&& GetLastError() == ERROR_PIPE_NOT_CONNECTED,
"ReadFile from disconnected pipe with bytes waiting\n");
ok(CloseHandle(hFile), "CloseHandle\n");
}
ok(CloseHandle(hnp), "CloseHandle\n");
return 0;
}
static void test_CreatePipe(void)
{
SECURITY_ATTRIBUTES pipe_attr;
HANDLE piperead, pipewrite;
DWORD written;
DWORD read;
DWORD i, size;
BYTE *buffer;
char readbuf[32];
pipe_attr.nLength = sizeof(SECURITY_ATTRIBUTES);
pipe_attr.bInheritHandle = TRUE;
pipe_attr.lpSecurityDescriptor = NULL;
ok(CreatePipe(&piperead, &pipewrite, &pipe_attr, 0) != 0, "CreatePipe failed\n");
ok(WriteFile(pipewrite,PIPENAME,sizeof(PIPENAME), &written, NULL), "Write to anonymous pipe failed\n");
ok(written == sizeof(PIPENAME), "Write to anonymous pipe wrote %d bytes\n", written);
ok(ReadFile(piperead,readbuf,sizeof(readbuf),&read, NULL), "Read from non empty pipe failed\n");
ok(read == sizeof(PIPENAME), "Read from anonymous pipe got %d bytes\n", read);
ok(CloseHandle(pipewrite), "CloseHandle for the write pipe failed\n");
ok(CloseHandle(piperead), "CloseHandle for the read pipe failed\n");
/* Now write another chunk*/
ok(CreatePipe(&piperead, &pipewrite, &pipe_attr, 0) != 0, "CreatePipe failed\n");
ok(WriteFile(pipewrite,PIPENAME,sizeof(PIPENAME), &written, NULL), "Write to anonymous pipe failed\n");
ok(written == sizeof(PIPENAME), "Write to anonymous pipe wrote %d bytes\n", written);
/* and close the write end, read should still succeed*/
ok(CloseHandle(pipewrite), "CloseHandle for the Write Pipe failed\n");
ok(ReadFile(piperead,readbuf,sizeof(readbuf),&read, NULL), "Read from broken pipe withe with pending data failed\n");
ok(read == sizeof(PIPENAME), "Read from anonymous pipe got %d bytes\n", read);
/* But now we need to get informed that the pipe is closed */
ok(ReadFile(piperead,readbuf,sizeof(readbuf),&read, NULL) == 0, "Broken pipe not detected\n");
ok(CloseHandle(piperead), "CloseHandle for the read pipe failed\n");
/* Try bigger chunks */
size = 32768;
buffer = HeapAlloc( GetProcessHeap(), 0, size );
for (i = 0; i < size; i++) buffer[i] = i;
ok(CreatePipe(&piperead, &pipewrite, &pipe_attr, size) != 0, "CreatePipe failed\n");
ok(WriteFile(pipewrite, buffer, size, &written, NULL), "Write to anonymous pipe failed\n");
ok(written == size, "Write to anonymous pipe wrote %d bytes\n", written);
/* and close the write end, read should still succeed*/
ok(CloseHandle(pipewrite), "CloseHandle for the Write Pipe failed\n");
memset( buffer, 0, size );
ok(ReadFile(piperead, buffer, size, &read, NULL), "Read from broken pipe withe with pending data failed\n");
ok(read == size, "Read from anonymous pipe got %d bytes\n", read);
for (i = 0; i < size; i++) ok( buffer[i] == (BYTE)i, "invalid data %x at %x\n", buffer[i], i );
/* But now we need to get informed that the pipe is closed */
ok(ReadFile(piperead,readbuf,sizeof(readbuf),&read, NULL) == 0, "Broken pipe not detected\n");
ok(CloseHandle(piperead), "CloseHandle for the read pipe failed\n");
}
START_TEST(pipe)
{
trace("test 1 of 6:\n");
if (test_DisconnectNamedPipe())
return;
trace("test 2 of 6:\n");
test_CreateNamedPipe_instances_must_match();
trace("test 3 of 6:\n");
test_NamedPipe_2();
trace("test 4 of 6:\n");
test_CreateNamedPipe(PIPE_TYPE_BYTE);
trace("test 5 of 6\n");
test_CreateNamedPipe(PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE);
trace("test 6 of 6\n");
test_CreatePipe();
trace("all tests done\n");
}
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