public FileInfoMessage(byte[] buffer)
{
type = P2PMessageType.FILE_INFO;
var index_now = 4;
count = BitConverter.ToInt32(buffer, 0);
locateInfos = new FileLocateInfo[count];
int l_count = 0;
while(index_now < buffer.Length)
{
var locate = new byte[4];
Array.Copy(buffer, 0 + index_now, locate, 0, 4);
index_now += 4;
var countOfIndexs = 0;
countOfIndexs = BitConverter.ToInt32(buffer, index_now);
index_now += 4;
var indexs = new Int32[countOfIndexs];
var i = 0;
for(; i < countOfIndexs; ++i)
{
indexs[i] = BitConverter.ToInt32(buffer, index_now);
index_now += 4;
}
var hash = new byte[32];
_logger.Info($"i is {i}, countOfIndexs is {countOfIndexs}, index_now is {index_now}");
Array.Copy(buffer, index_now, hash, 0, 32);
index_now += 32;
locateInfos[l_count] = new FileLocateInfo(locate, hash, countOfIndexs, indexs);
l_count++;
}
length = index_now;
Debug.Assert(index_now == buffer.Length);
}
public static void Test(string[] args)
{
Int32[] temp = { 1, 2, 3, 4};
var hash = SHA256.Create().ComputeHash(new byte[1]);
GetDataMessage getData = new GetDataMessage(hash, temp);
serializeAndWrite(getData);
TestParse(getData);
GetFileInfoMessage getFileInfo = new GetFileInfoMessage(hash);
serializeAndWrite(getFileInfo);
TestParse(getFileInfo);
GetBlockInfoMessage getBlockInfo = new GetBlockInfoMessage(hash, 10);
serializeAndWrite(getBlockInfo);
TestParse(getBlockInfo);
var block = new byte[4096];
block[1] = 0; block[2] = 2;
DataMessage data = new DataMessage(block, hash, 10);
serializeAndWrite(data);
TestParse(data);
var error = new ErrorMessage(hash, 10);
serializeAndWrite(error);
TestParse(error);
IPAddress a = IPAddress.Parse("192.168.1.190");
int[] array = { 1, 3, 4 };
FileLocateInfo fileLocateInfo = new FileLocateInfo(a, hash, array);
FileLocateInfo[] fileLocateInfos = new FileLocateInfo[1];
fileLocateInfos[0] = fileLocateInfo;
var fileInfo = new FileInfoMessage(fileLocateInfos);
serializeAndWrite(fileInfo);
TestParse(fileInfo);
BlockInfoMessage blockInfo = new BlockInfoMessage(hash, 10);
serializeAndWrite(blockInfo);
TestParse(blockInfo);
OKMessage oK = new OKMessage(hash, 10);
serializeAndWrite(oK);
TestParse(oK);
}
public void SendFileInfoMessage(List <LocateInfo> fileInfos, byte[] hash, TcpClient client)
{
FileLocateInfo[] locateInfos = new FileLocateInfo[fileInfos.Count];
var count = 0;
foreach (var i in fileInfos)
{
lock (i.Indexs)
{
var array = i.Indexs.ToArray();
FileLocateInfo info = new FileLocateInfo(i.IP.GetAddressBytes(),
hash, array.Count(), array);
locateInfos[count++] = info;
}
}
var FileInfoMessage = new FileInfoMessage(locateInfos);
_logger.Info($"send FILE_INFO message, count is {count}");
send(FileInfoMessage, client);
}