/*
* Copyright (c) 2011, Kustaa Nyholm / SpareTimeLabs
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* Neither the name of the Kustaa Nyholm or SpareTimeLabs nor the names of its
* contributors may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
package jtermios.windows.testsuite;
import static jtermios.windows.WinAPI.CBR_1200;
import static jtermios.windows.WinAPI.CloseHandle;
import static jtermios.windows.WinAPI.CreateEventA;
import static jtermios.windows.WinAPI.CreateFileA;
import static jtermios.windows.WinAPI.ERROR_IO_INCOMPLETE;
import static jtermios.windows.WinAPI.ERROR_IO_PENDING;
import static jtermios.windows.WinAPI.FILE_FLAG_OVERLAPPED;
import static jtermios.windows.WinAPI.GENERIC_READ;
import static jtermios.windows.WinAPI.GENERIC_WRITE;
import static jtermios.windows.WinAPI.GetLastError;
import static jtermios.windows.WinAPI.GetOverlappedResult;
import static jtermios.windows.WinAPI.INVALID_HANDLE_VALUE;
import static jtermios.windows.WinAPI.NOPARITY;
import static jtermios.windows.WinAPI.ONESTOPBIT;
import static jtermios.windows.WinAPI.OPEN_EXISTING;
import static jtermios.windows.WinAPI.ReadFile;
import static jtermios.windows.WinAPI.ResetEvent;
import static jtermios.windows.WinAPI.SetCommState;
import static jtermios.windows.WinAPI.SetCommTimeouts;
import static jtermios.windows.WinAPI.SetupComm;
import static jtermios.windows.WinAPI.WAIT_OBJECT_0;
import static jtermios.windows.WinAPI.WAIT_TIMEOUT;
import static jtermios.windows.WinAPI.WaitForSingleObject;
import static jtermios.windows.WinAPI.WriteFile;
import jtermios.windows.WinAPI.COMMTIMEOUTS;
import jtermios.windows.WinAPI.DCB;
import jtermios.windows.WinAPI.HANDLE;
import jtermios.windows.WinAPI.OVERLAPPED;
import com.sun.jna.Memory;
public class TestSuite {
private void check(boolean ok, String what) {
if (!ok) {
System.err.println(what + " failed, error " + GetLastError());
System.exit(0);
}
}
public void test1() {
System.out.println("A contorted loopback test with overlapped IO for WinAPI");
String COM = "COM5:";
HANDLE hComm = CreateFileA(COM, GENERIC_READ | GENERIC_WRITE, 0, null, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, null);
check(SetupComm(hComm, 2048, 2048), "SetupComm ");
DCB dcb = new DCB();
dcb.DCBlength = dcb.size();
dcb.BaudRate = CBR_1200;
dcb.ByteSize = 8;
dcb.fFlags = 0;
dcb.Parity = NOPARITY;
dcb.XonChar = 0x11;
dcb.StopBits = ONESTOPBIT;
dcb.XonChar = 0x13;
check(SetCommState(hComm, dcb), "SetCommState ");
COMMTIMEOUTS touts = new COMMTIMEOUTS();
check(SetCommTimeouts(hComm, touts), "SetCommTimeouts ");
check(!INVALID_HANDLE_VALUE.equals(hComm), "CreateFile " + COM);
String send = "Hello World";
int tlen = send.getBytes().length;
int[] txn = { 0 };
Memory txm = new Memory(tlen + 1);
txm.clear();
txm.write(0, send.getBytes(), 0, tlen);
int[] rxn = { 0 };
Memory rxm = new Memory(tlen);
OVERLAPPED osReader = new OVERLAPPED();
osReader.writeField("hEvent", CreateEventA(null, true, false, null));
check(osReader.hEvent != null, "CreateEvent/osReader");
OVERLAPPED osWriter = new OVERLAPPED();
osWriter.writeField("hEvent", CreateEventA(null, true, false, null));
check(osWriter.hEvent != null, "CreateEvent/osWriter");
boolean first = true;
// First time through here send some stuff
first = false;
check(ResetEvent(osWriter.hEvent), "ResetEvent/osWriter.hEvent");
boolean write = WriteFile(hComm, txm, tlen, txn, osWriter);
if (!write) {
check(GetLastError() == ERROR_IO_PENDING, "WriteFile");
System.out.println("Write pending");
}
while (!write) {
System.out.println("WaitForSingleObject/write");
int dwRes = WaitForSingleObject(osWriter.hEvent, 1000);
switch (dwRes) {
case WAIT_OBJECT_0:
if (!GetOverlappedResult(hComm, osWriter, txn, true))
check(GetLastError() == ERROR_IO_INCOMPLETE, "GetOverlappedResult/osWriter");
else
write = true;
break;
case WAIT_TIMEOUT:
System.out.println("write TIMEOT");
break;
default:
check(false, "WaitForSingleObject/write");
break;
}
}
System.out.println("Transmit: '" + txm.getString(0) + "' , len=" + txn[0]);
// First set up the read so that we actually get some overlap
check(ResetEvent(osReader.hEvent), "ResetEvent/osReader.hEvent ");
boolean read = ReadFile(hComm, rxm, tlen, rxn, osReader);
if (!read) {
check(GetLastError() == ERROR_IO_PENDING, "ReadFile");
System.out.println("Read pending");
}
while (!read) {
if (first) {
}
System.out.println("WaitForSingleObject/read");
check(ResetEvent(osReader.hEvent), "ResetEvent/osReader.hEvent");
int dwRes = WaitForSingleObject(osReader.hEvent, 1000);
switch (dwRes) {
case WAIT_OBJECT_0:
if (!GetOverlappedResult(hComm, osReader, rxn, false))
check(GetLastError() == ERROR_IO_INCOMPLETE, "GetOverlappedResult/osReader");
else
read = true;
break;
case WAIT_TIMEOUT:
System.out.println("WAIT_TIMEOUT");
break;
default:
check(false, "WaitForSingleObject/osReader.hEvent");
break;
}
}
System.out.println("Received: '" + rxm.getString(0) + "' , len=" + rxn[0]);
check(CloseHandle(osWriter.hEvent), "CloseHandle/osWriter.hEvent");
check(CloseHandle(osReader.hEvent), "CloseHandle/osReader.hEvent");
check(CloseHandle(hComm), "CloseHandle/hComm");
System.out.println("All done");
}
private void run() {
test1();
}
public static void main(String[] args) {
TestSuite ts = new TestSuite();
ts.run();
}
}