//AnsEntry
void ProcessCommand_AnsEntry(Message m, Host h)
{
if (h == null && (Config.IgnoreNoAddListFlag || !Consts.Check(m.Options, Consts.Cmd_Send_Option.NoAddList)))
{
h = new Host()
{
ClientVersion = string.Empty,
GroupName = m.ExtendMessage,
HasShare = false,
HostSub = new HostSub()
{
HostName = m.HostName, Ipv4Address = m.HostAddr, UserName = m.UserName
},
Index = 0,
IsEnhancedContractEnabled = Consts.Check(m.Options, Consts.Cmd_All_Option.EnableNewDataContract),
NickName = m.NormalMsg
};
if (Consts.Check(m.Options, Consts.Cmd_All_Option.Absence))
{
h.ChangeAbsenceMode(true, Resources.CommandExecutor_ProcessCommand_Br_Entry_LeaveModeText);
}
LivedHost.Add(m.HostAddr.Address.ToString(), h);
h.AbsenceModeChanged += Host_AbsendModeChanged;
//立刻查询离开消息
if (h.IsInAbsenceMode)
{
Host_AbsendModeChanged(h, null);
}
m.Host = h;
}
h.SupportEncrypt = Consts.Check(m.Options, Consts.Cmd_All_Option.Encrypt);
h.SupportFileTransport = Consts.Check(m.Options, Consts.Cmd_All_Option.FileAttach);
}
/// <summary>
/// 分析网络数据包并进行转换为信息对象
/// </summary>
/// <param name="packs">接收到的封包对象</param>
/// <returns></returns>
/// <remarks>
/// 对于分包消息，如果收到的只是片段并且尚未接收完全，则不会进行解析
/// </remarks>
public static IPMessager.Entity.Message ParseToMessage(params Entity.PackedNetworkMessage[] packs)
{
if (packs.Length == 0 || (packs[0].PackageCount > 1 && packs.Length != packs[0].PackageCount))
{
return(null);
}
//尝试解压缩，先排序
Array.Sort(packs);
//尝试解压缩
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.IO.Compression.GZipStream zip = new System.IO.Compression.GZipStream(ms, System.IO.Compression.CompressionMode.Decompress);
try
{
Array.ForEach(packs, s => zip.Write(s.Data, 0, s.Data.Length));
}
catch (Exception)
{
OnDecompressFailed(new DecomprssFailedEventArgs(packs));
return(null);
}
zip.Close();
ms.Flush();
ms.Seek(0, System.IO.SeekOrigin.Begin);
//构造读取流
System.IO.BinaryReader br = new System.IO.BinaryReader(ms, System.Text.Encoding.Unicode);
//开始读出数据
IPMessager.Entity.Message m = new FSLib.IPMessager.Entity.Message(packs[0].RemoteIP);
m.PackageNo = br.ReadUInt64(); //包编号
ulong tl = br.ReadUInt64();
m.Command = (Define.Consts.Commands)(tl & 0xFF); //命令编码
m.Options = tl & 0xFFFFFF00; //命令参数
m.UserName = br.ReadString(); //用户名
m.HostName = br.ReadString(); //主机名
int length = br.ReadInt32();
m.NormalMsgBytes = new byte[length];
br.Read(m.NormalMsgBytes, 0, length);
length = br.ReadInt32();
m.ExtendMessageBytes = new byte[length];
br.Read(m.ExtendMessageBytes, 0, length);
if (!Consts.Check(m.Options, Consts.Cmd_All_Option.BinaryMessage))
{
m.NormalMsg = System.Text.Encoding.Unicode.GetString(m.NormalMsgBytes, 0, length); //正文
m.ExtendMessage = System.Text.Encoding.Unicode.GetString(m.ExtendMessageBytes, 0, length); //扩展消息
}
return(m);
}
/// <summary>
/// 分析网络数据包并进行转换为信息对象
/// </summary>
/// <param name="packs">接收到的封包对象</param>
/// <returns></returns>
/// <remarks>
/// 对于分包消息，如果收到的只是片段并且尚未接收完全，则不会进行解析
/// </remarks>
public static IPMessager.Entity.Message ParseToMessage(params Entity.PackedNetworkMessage[] packs)
{
if (packs.Length == 0 || (packs[0].PackageCount > 1 && packs.Length != packs[0].PackageCount))
{
return(null);
}
var ms = DecompressMessagePacks(packs);
if (ms == null)
{
OnDecompressFailed(new DecomprssFailedEventArgs(packs));
return(null);
}
//构造读取流
var br = new System.IO.BinaryReader(ms, System.Text.Encoding.Unicode);
//开始读出数据
var m = new FSLib.IPMessager.Entity.Message(packs[0].RemoteIP);
m.PackageNo = br.ReadUInt64(); //包编号
var tl = br.ReadUInt64();
m.Command = (Define.Consts.Commands)(tl & 0xFF); //命令编码
m.Options = tl & 0xFFFFFF00; //命令参数
m.UserName = br.ReadString(); //用户名
m.HostName = br.ReadString(); //主机名
var length = br.ReadInt32();
m.NormalMsgBytes = new byte[length];
br.Read(m.NormalMsgBytes, 0, length);
length = br.ReadInt32();
m.ExtendMessageBytes = new byte[length];
br.Read(m.ExtendMessageBytes, 0, length);
if (!Consts.Check(m.Options, Consts.Cmd_All_Option.BinaryMessage))
{
m.NormalMsg = System.Text.Encoding.Unicode.GetString(m.NormalMsgBytes, 0, length); //正文
m.ExtendMessage = System.Text.Encoding.Unicode.GetString(m.ExtendMessageBytes, 0, length); //扩展消息
}
return(m);
}
//离开状态或昵称更改
private void ProcessCommand_BrAbsence(Message message, Host host)
{
if (host == null)
{
return;
}
host.ChangeAbsenceMode(Consts.Check(message.Options, Consts.Cmd_All_Option.Absence), "");
if (!string.IsNullOrEmpty(message.NormalMsg))
{
host.NickName = message.NormalMsg;
}
if (!string.IsNullOrEmpty(message.ExtendMessage))
{
host.GroupName = message.ExtendMessage;
}
host.HostFeature = message.Options;
}
//Br_Entry
void ProcessCommand_Br_Entry(Message m, Host h)
{
if (h == null && (Config.IgnoreNoAddListFlag || !Consts.Check(m.Options, Consts.Cmd_Send_Option.NoAddList)))
{
h = new Host()
{
ClientVersion = string.Empty,
GroupName = m.ExtendMessage,
HasShare = false,
HostSub = new HostSub()
{
HostName = m.HostName, Ipv4Address = m.HostAddr, UserName = m.UserName
},
Index = 0,
IsEnhancedContractEnabled = Consts.Check(m.Options, Consts.Cmd_All_Option.EnableNewDataContract),
NickName = m.NormalMsg,
HostFeature = m.Options
};
if (Consts.Check(m.Options, Consts.Cmd_All_Option.Absence))
{
h.ChangeAbsenceMode(true, Resources.CommandExecutor_ProcessCommand_Br_Entry_LeaveModeText);
}
h.SupportEncrypt = Consts.Check(m.Options, Consts.Cmd_All_Option.Encrypt);
h.SupportFileTransport = Consts.Check(m.Options, Consts.Cmd_All_Option.FileAttach);
LivedHost.Add(m.HostAddr.Address.ToString(), h);
h.AbsenceModeChanged += Host_AbsendModeChanged;
//立刻查询离开消息
if (h.IsInAbsenceMode)
{
Host_AbsendModeChanged(h, null);
}
m.Host = h;
}
ulong opt = 0ul;
if (Config.IsInAbsenceMode)
{
opt |= (ulong)Consts.Cmd_All_Option.Absence;
}
if (Config.EnableFileTransfer)
{
opt |= (ulong)Consts.Cmd_All_Option.FileAttach;
}
//插件
if (Config.Services != null)
{
Config.Services.ProviderExecute(s => opt |= s.GenerateClientFeatures());
}
//回复证明自己在线
MessageProxy.SendWithNoCheck(h, Consts.Commands.AnsEntry, opt, Config.NickName, Config.GroupName);
//如果开启了通知功能，则告知非本网段主机
if (h != null && Config.EnableHostNotifyBroadcast && !Config.ForceOldContract)
{
Host[] list = LivedHost.Values.Where(s => s.HostSub.IPHeader != h.HostSub.IPHeader && h.IsEnhancedContractEnabled).Distinct(Helper.HostSubEqualityCompare.StaticObj).ToArray();
Array.ForEach(list, s => MessageProxy.SendWithNoCheck(s, Consts.Commands.Br_Entry_Forward, 0, s.HostSub.Ipv4Address.Address.GetAddressBytes(), BitConverter.GetBytes(s.HostSub.PortNo)));
}
}