public void Test_packFileInfo()
{
byte[] test = new byte[] { 0x03, 0x00, 0x00, 0x00 };
RemoteFile.File file1 = new RemoteFile.File();
file1.name = "test.txt";
file1.length = 100;
file1.address = 10000;
List <byte> data = RemoteFileUtil.packFileInfo(file1, "<");
Assert.AreEqual(data.Count, RemoteFile.Constants.RMF_FILEINFO_BASE_LEN + file1.name.Length + 1); // +1 null termination
Assert.IsTrue(data.GetRange(0, 4).SequenceEqual(new List <byte> {
0x03, 0x00, 0x00, 0x00
}));
Assert.IsTrue(data.GetRange(4, 4).SequenceEqual(new List <byte> {
0x10, 0x27, 0x00, 0x00
}));
Assert.IsTrue(data.GetRange(8, 4).SequenceEqual(new List <byte> {
0x64, 0x00, 0x00, 0x00
}));
Assert.IsTrue(data.GetRange(12, 4).SequenceEqual(new List <byte> {
0x00, 0x00, 0x00, 0x00
}));
foreach (byte b in data.GetRange(16, 32))
{
Assert.IsTrue(b == 0);
}
byte[] bname = data.GetRange(48, data.Count - 48 - 1).ToArray(); // -1 for null termination
string fileName = System.Text.Encoding.ASCII.GetString(bname);
Assert.AreEqual("test.txt", fileName);
Assert.IsTrue(data[data.Count - 1] == 0);
}
public void Test_unPackFileClose()
{
List <byte> blist = new List <byte> {
0x0B, 0x00, 0x00, 0x00, 0x78, 0x56, 0x34, 0x12
};
uint address = RemoteFileUtil.unPackFileClose(blist, "<");
Assert.AreEqual(address, (uint)0x12345678);
try
{
List <byte> blist2 = new List <byte> {
0x0A, 0x00, 0x00, 0x00, 0x78, 0x56, 0x34, 0x12
};
address = RemoteFileUtil.unPackFileClose(blist2, "<");
Assert.Fail("An exception should have been thrown");
}
catch (ArgumentException ae)
{
Assert.AreEqual(true, (ae.Message.Length > 0));
}
catch (Exception e)
{
Assert.Fail(
string.Format("Unexpected exception of type {0} caught: {1}",
e.GetType(), e.Message)
);
}
}
protected override void _processCmd(List <byte> data)
{
if (data.Count >= 4)
{
uint cmd = BitConverter.ToUInt32(data.GetRange(0, 4).ToArray(), 0);
if (cmd == RemoteFile.Constants.RMF_CMD_FILE_INFO)
{
RemoteFile.File remoteFile = RemoteFileUtil.unPackFileInfo(data);
for (int i = 0; i < requestedFiles.Count; i++)
{
if (requestedFiles[i].name == remoteFile.name)
{
requestedFiles[i].address = remoteFile.address;
requestedFiles[i].fileType = remoteFile.fileType;
requestedFiles[i].digestType = remoteFile.digestType;
requestedFiles[i].digestData = remoteFile.digestData;
requestedFiles[i].open();
remoteFileMap.insert(requestedFiles[i]);
Msg msg = new Msg(RemoteFile.Constants.RMF_MSG_FILEOPEN, 0, 0, requestedFiles[i].address);
requestedFiles.RemoveAt(i);
msgQueue.Add(msg);
}
else
{
remoteFileMap.insert(remoteFile);
}
}
}
else if (cmd == RemoteFile.Constants.RMF_CMD_FILE_OPEN)
{
uint address = RemoteFileUtil.unPackFileOpen(data, "<");
Console.WriteLine("received open command, address: " + address);
Apx.File file = localFileMap.findByAddress(address);
if (file != null)
{
Console.WriteLine("received open command, name: " + file.name);
file.open();
List <byte> fileContent = file.read(0, (int)file.length);
if (fileContent.Count > 0)
{
Msg msg = new Msg(RemoteFile.Constants.RMF_MSG_WRITE_DATA, file.address, 0, fileContent);
msgQueue.Add(msg);
}
}
}
else if (cmd == RemoteFile.Constants.RMF_CMD_FILE_CLOSE)
{
throw new NotImplementedException();
}
else
{
throw new ArgumentException("Unknown command, cannot process");
}
}
else
{
throw new ArgumentException("too short command to proccess");
}
}
public void ping()
{
if (isConnected && tcpStream.CanWrite)
{
List <byte> data = RemoteFileUtil.packHeader(RemoteFile.Constants.RMF_CMD_START_ADDR, false);
List <byte> payload = BitConverter.GetBytes(Constants.RMF_CMD_FILE_HEARTBEAT_REQ).ToList();
data.AddRange(payload);
send(data);
}
}
public void Test_unpackHeader()
{
// Valid data
RemoteFileUtil.headerReturn res = RemoteFileUtil.unpackHeader(new byte[] { 0x00, 0x00 });
Assert.IsTrue((res.more_bit == false) && (res.address == 0) && (res.bytes_parsed == 2));
res = RemoteFileUtil.unpackHeader(new byte[] { 0x40, 0x00 });
Assert.IsTrue((res.more_bit == true) && (res.address == 0) && (res.bytes_parsed == 2));
res = RemoteFileUtil.unpackHeader(new byte[] { 0x44, 0xD2 });
Assert.IsTrue((res.more_bit == true) && (res.address == 1234) && (res.bytes_parsed == 2));
res = RemoteFileUtil.unpackHeader(new byte[] { 0x3F, 0xFF });
Assert.IsTrue((res.more_bit == false) && (res.address == 16383) && (res.bytes_parsed == 2));
res = RemoteFileUtil.unpackHeader(new byte[] { 0x7F, 0xFF });
Assert.IsTrue((res.more_bit == true) && (res.address == 16383) && (res.bytes_parsed == 2));
res = RemoteFileUtil.unpackHeader(new byte[] { 0x80, 0x00, 0x40, 0x00 });
Assert.IsTrue((res.more_bit == false) && (res.address == 16384) && (res.bytes_parsed == 4));
res = RemoteFileUtil.unpackHeader(new byte[] { 0xC0, 0x00, 0x40, 0x00 });
Assert.IsTrue((res.more_bit == true) && (res.address == 16384) && (res.bytes_parsed == 4));
res = RemoteFileUtil.unpackHeader(new byte[] { 0xBF, 0xFF, 0xFF, 0xFF });
Assert.IsTrue((res.more_bit == false) && (res.address == 1073741823) && (res.bytes_parsed == 4));
res = RemoteFileUtil.unpackHeader(new byte[] { 0xFF, 0xFF, 0xFF, 0xFF });
Assert.IsTrue((res.more_bit == true) && (res.address == 1073741823) && (res.bytes_parsed == 4));
// Longer data fields
res = RemoteFileUtil.unpackHeader(new byte[] { 0x00, 0x00, 0x00 });
Assert.IsTrue((res.more_bit == false) && (res.address == 0) && (res.bytes_parsed == 2));
res = RemoteFileUtil.unpackHeader(new byte[] { 0x00, 0x00, 0x00, 0x00 });
Assert.IsTrue((res.more_bit == false) && (res.address == 0) && (res.bytes_parsed == 2));
res = RemoteFileUtil.unpackHeader(new byte[] { 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF });
Assert.IsTrue((res.more_bit == true) && (res.address == 16383) && (res.bytes_parsed == 2));
res = RemoteFileUtil.unpackHeader(new byte[] { 0xBF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF });
Assert.IsTrue((res.more_bit == false) && (res.address == 1073741823) && (res.bytes_parsed == 4));
res = RemoteFileUtil.unpackHeader(new byte[] { 0xBF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF });
Assert.IsTrue((res.more_bit == false) && (res.address == 1073741823) && (res.bytes_parsed == 4));
// Too short data fields
res = RemoteFileUtil.unpackHeader(new byte[] { 0x00 });
Assert.IsTrue((res.more_bit == false) && (res.address == uint.MaxValue) && (res.bytes_parsed == 0));
res = RemoteFileUtil.unpackHeader(new byte[] { 0x4E });
Assert.IsTrue((res.more_bit == false) && (res.address == uint.MaxValue) && (res.bytes_parsed == 0));
res = RemoteFileUtil.unpackHeader(new byte[] { 0xC0 });
Assert.IsTrue((res.more_bit == false) && (res.address == uint.MaxValue) && (res.bytes_parsed == 0));
res = RemoteFileUtil.unpackHeader(new byte[] { 0xC0, 0x00 });
Assert.IsTrue((res.more_bit == false) && (res.address == uint.MaxValue) && (res.bytes_parsed == 0));
res = RemoteFileUtil.unpackHeader(new byte[] { 0x80, 0x00, 0x40 });
Assert.IsTrue((res.more_bit == false) && (res.address == uint.MaxValue) && (res.bytes_parsed == 0));
res = RemoteFileUtil.unpackHeader(new byte[] { 0x80, 0x00 });
Assert.IsTrue((res.more_bit == false) && (res.address == uint.MaxValue) && (res.bytes_parsed == 0));
}
protected override void processMessage(Msg msg)
{
if (msg.msgType == RemoteFile.Constants.RMF_MSG_CONNECT)
{
throw new System.ArgumentException("Not applicable for c# version (handled in onConnected)");
}
else if (msg.msgType == RemoteFile.Constants.RMF_MSG_FILEINFO)
{
Apx.File file = (Apx.File)msg.msgData3;
Console.WriteLine("processMessage, Name of file: " + file.name);
List <byte> data = RemoteFileUtil.packHeader(RemoteFile.Constants.RMF_CMD_START_ADDR, false);
List <byte> payload = RemoteFileUtil.packFileInfo(file, "<");
data.AddRange(payload);
if (transmitHandler != null)
{
transmitHandler.send(data);
}
}
else if (msg.msgType == RemoteFile.Constants.RMF_MSG_WRITE_DATA)
{
uint address = msg.msgData1;
List <byte> data = RemoteFileUtil.packHeader(address);
List <byte> payload = (List <byte>)msg.msgData3;
data.AddRange(payload);
if (transmitHandler != null)
{
transmitHandler.send(data);
}
}
else if (msg.msgType == RemoteFile.Constants.RMF_MSG_FILEOPEN)
{
List <byte> data = RemoteFileUtil.packHeader(RemoteFile.Constants.RMF_CMD_START_ADDR);
List <byte> payload = RemoteFileUtil.packFileOpen(msg.msgData1);
data.AddRange(payload);
if (transmitHandler != null)
{
transmitHandler.send(data);
}
}
else
{
throw new System.ArgumentException("Unknown msgType");
}
}
public void Test_packFileClose()
{
List <byte> blist = new List <byte>();
blist = RemoteFileUtil.packFileClose(0x12345678, "<");
// Address
Assert.AreEqual(blist[7], (byte)0x12);
Assert.AreEqual(blist[6], (byte)0x34);
Assert.AreEqual(blist[5], (byte)0x56);
Assert.AreEqual(blist[4], (byte)0x78);
// Command (RMF_CMD_FILE_CLOSE == 11 / 0x0B)
Assert.AreEqual(blist[3], (byte)0x00);
Assert.AreEqual(blist[2], (byte)0x00);
Assert.AreEqual(blist[1], (byte)0x00);
Assert.AreEqual(blist[0], (byte)0x0B);
}
public override void onMsgReceived(List <byte> msg)
{
RemoteFileUtil.headerReturn header = RemoteFileUtil.unpackHeader(msg.ToArray());
if (header.bytes_parsed > 0)
{
if (header.address == Constants.RMF_CMD_START_ADDR)
{
_processCmd(msg.GetRange(header.bytes_parsed, msg.Count - header.bytes_parsed));
}
else if (header.address < Constants.RMF_CMD_START_ADDR)
{
_processFileWrite(header.address, header.more_bit, msg.GetRange(header.bytes_parsed, msg.Count - header.bytes_parsed));
}
else
{
throw new ArgumentException("invalid address: " + header.address.ToString());
}
}
// else do nothing
}
public void Test_unPackFileInfo()
{
// Header content
List <byte> data = new List <byte> {
0x03, 0x00, 0x00, 0x00, 0x10, 0x27, 0x00, 0x00, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
// Digest data
List <byte> ddata = Enumerable.Repeat((byte)0, 32).ToList();
data.AddRange(ddata);
// Name
List <byte> ndata = ASCIIEncoding.ASCII.GetBytes("test.txt").ToList();
data.AddRange(ndata);
// Null termination
data.Add(0);
RemoteFile.File file = RemoteFileUtil.unPackFileInfo(data, "<");
Assert.AreEqual(file.address, (uint)10000);
Assert.IsTrue(file.digestData.SequenceEqual(ddata));
Assert.AreEqual(file.digestType, RemoteFile.Constants.RMF_DIGEST_TYPE_NONE);
Assert.AreEqual(file.name, "test.txt");
}
