private static int PackSort(PacketWrapper x, PacketWrapper y)
{
if (x.tcpPacket.SequenceNumber > y.tcpPacket.SequenceNumber)
{
return(1);
}
else
{
return(-1);
}
}
/// <summary>
/// Prints the time and length of each received packet
/// </summary>
private void device_OnPacketArrival(object sender, CaptureEventArgs e)
{
// 抓取 http 包并在控制台显示，https 有加密不行
PacketWrapper packetWrapper = new PacketWrapper(packetId++, e.Packet);
uint ackn = packetWrapper.tcpPacket.AcknowledgmentNumber;
if (!packDic.ContainsKey(ackn))
{
packDic.Add(ackn, new List <PacketWrapper>());
packTimeRest.Add(ackn, new int[] { packTimeMax });
}
packDic[ackn].Add(packetWrapper);
List <uint> nd = new List <uint>();
foreach (var p in packTimeRest)
{
packTimeRest[p.Key][0]--;
if (packTimeRest[p.Key][0] <= 0)
{
nd.Add(p.Key);
}
}
foreach (var p in nd)
{
packTimeRest.Remove(p);
packDic.Remove(p);
}
if (!packetWrapper.tcpPacket.Push)
{
return;
}
byte[] data = CombinePacket(packDic, ackn);
if (data == null)
{
return;
}
string s = Encoding.GetEncoding("GB18030").GetString(data);
int index = s.IndexOf("\r\n\r\n");
if (index < 0)
{
return;
}
index += 4;
string header = s.Substring(0, index);
if (!HttpCheck(header))
{
return;
}
Console.WriteLine(header);
Console.WriteLine("datalen" + data.Length);
//string body = s.Substring(index);
//Console.WriteLine(body);
byte[] bodyBytes = null;
for (int i = 0; i < data.Length - 1; i++)
{
if (data[i] == 13 && data[i + 2] == 13 && data[i + 1] == 10 && data[i + 3] == 10)
{
i += 4;
bodyBytes = new byte[data.Length - i];
for (int t = 0; t < bodyBytes.Length; t++, i++)
{
bodyBytes[t] = data[i];
}
break;
}
}
if (bodyBytes == null)
{
return;
}
byte[] bodyUncompressedBytes = Decompress(bodyBytes);
if (bodyUncompressedBytes == null)
{
return;
}
string json = Encoding.GetEncoding("GB18030").GetString(bodyUncompressedBytes);
Console.WriteLine(json);
}
