/// <summary>
/// new command
/// </summary>
/// <param name="parameterLength"></param>
/// <param name="socket"></param>
private void NewCommand(Socket socket, byte parameterLength)
{
//Stopwatch stopwatch = null;
int commandStart = 0;
if (this.logMessage.Enable)
{
commandStart = Environment.TickCount;
//stopwatch = Stopwatch.StartNew();
}
//exec
var serverName = (string)CsSocket.Receive(socket, STRING_TYPE);
var commandName = (string)CsSocket.Receive(socket, STRING_TYPE);
//invloke
try
{
this.NewCommandInvoke(socket, parameterLength, serverName, commandName, commandStart);
}
catch (Exception exception)
{
throw new CsInvokeException(serverName, commandName, exception);
}
}
/// <summary>
/// 方法调用
/// </summary>
/// <param name="server"></param>
/// <param name="command"></param>
/// <param name="parameters"></param>
/// <returns></returns>
internal T Invoke <T>(string server, string command, params object[] parameters)
{
//仅最大支持255参数, max allow 255 parameter
var parameterLength = (byte)parameters.Length;
var value = default(T);
//send
using (var m = new MemoryStream())
{
//length
m.WriteByte(parameterLength);
//namespace
CsSocket.WriteDataItem(m, server);
//name
CsSocket.WriteDataItem(m, command);
//parameters
if (parameterLength > 0)
{
foreach (var param in parameters)
{
CsSocket.WriteDataItem(m, param);
}
}
this.socket.Send(m.GetBuffer(), 0, (int)m.Length, SocketFlags.None);
}
this.invokeCount++;
//
var result = (CsResult)(SocketHelper.Receive(this.socket, 1)[0]);
if (result == CsResult.Success)
{
//buffer parameter length , parameter index + parameter length + parameter body + bodylength + body
var outputParameterLength = (SocketHelper.Receive(this.socket, 1)[0]);
if (outputParameterLength > 0)
{
byte parameterIndex = 0;
for (byte i = 0; i < outputParameterLength; i++)
{
parameterIndex = (SocketHelper.Receive(this.socket, 1)[0]);
if (parameters[parameterIndex] == null)
{
throw new ArgumentNullException("out/ref parameter not allow is null");
}
//read parameter
parameters[parameterIndex] = CsSocket.Receive(socket, parameters[parameterIndex].GetType());
}
}
//read body
value = (T)CsSocket.Receive(this.socket, typeof(T));
}
else
{
var failureMessage = (string)CsSocket.Receive(this.socket, typeof(string));
throw new CsException(server, command, failureMessage);
}
//
return(value);
}
private void NewCommandInvoke(Socket socket, byte parameterLength, string serverName, string commandName, int commandStart)
{
object value = null;
object[] parameters = null;
var commandInfo = ServerCommand.GetCommand(serverName, commandName);
if (commandInfo == null)
{
value = string.Format("Not Find Command:{0}.{1}", serverName, commandName);
}
else if (commandInfo.Parameters.Length != parameterLength)
{
value = string.Format("{0}.{1} Client Command Parameters And Server Parameters No Match", serverName, commandName);
}
else
{
//get parameter
if (parameterLength > 0)
{
parameters = new object[parameterLength];
for (var i = 0; i < parameterLength; i++)
{
if (commandInfo.Parameters[i].IsOut)
{
CsSocket.Receive(socket);
}
else
{
parameters[i] = CsSocket.Receive(socket, commandInfo.Parameters[i].ParameterType);
}
}
}
}
//cache
byte[] cacheBuffer = null;
String cacheVersion = null, cacheKey = null;
var cacheType = ServerCacheType.NoCache;
ServerConfigItem configItem = null;
bool cacheEnable = false;
//no error & get cache
if (value == null)
{
if (ServerCache.Enable)
{
configItem = ServerConfig.GetItem(commandInfo.Server, commandInfo.Name);
cacheEnable = configItem != null && configItem.CacheExpires > 0;
}
//cache get
if (cacheEnable)
{
//mode = version
if (configItem.CacheVersion != null)
{
try
{
cacheVersion = ServerCache.Cache.Get(configItem.CacheVersion);
if (cacheVersion != null && cacheVersion != "")
{
//get cache
cacheKey = ServerCache.BuildKey(configItem.CacheKey, cacheVersion, parameters);
//value = ServerCache.Cache.Get(cacheKey, commandInfo.Method.ReturnType);
cacheBuffer = ServerCache.Cache.Get <byte[]>(cacheKey);
cacheType = cacheBuffer != null ? ServerCacheType.Cached : ServerCacheType.NoCache;
}
else
{
//no version , set no cache
cacheEnable = false;
}
}
catch (Exception e)
{
this.logManager.Exception(e);
}
}
else
{
//get cache
cacheKey = ServerCache.BuildKey(configItem.CacheKey, null, parameters);
try
{
//value = ServerCache.Cache.Get(cacheKey, commandInfo.Method.ReturnType);
cacheBuffer = ServerCache.Cache.Get <byte[]>(cacheKey);
cacheType = cacheBuffer != null ? ServerCacheType.Cached : ServerCacheType.NoCache;
}
catch (Exception e)
{
this.logManager.Exception(e);
}
}
}
}
var result = false;
//cached
if (cacheType == ServerCacheType.Cached)
{
socket.Send(cacheBuffer);
result = true;
}
//no error ,invoke
else if (value == null)
{
//var invokeStart = DateTime.Now;
try
{
value = commandInfo.Method.Invoke(commandInfo.Instance, parameters);
result = true;
}
catch (TargetInvocationException exception)
{
result = false;
this.logManager.Exception(exception.GetBaseException());
value = exception.GetBaseException().Message;
}
catch (Exception exception)
{
result = false;
this.logManager.Exception(exception);
value = exception.Message;
}
//invokeSeconds = DateTime.Now.Subtract(invokeStart).TotalSeconds;
//build value Buffer
if (result)
{
using (var m = new MemoryStream())
{
//write result
m.WriteByte((byte)CsResult.Success);
//send out parameter length
//buffer parameter length , parameter index + parameter length + parameter body + bodylength + body
//parameter count writer
m.WriteByte(commandInfo.OutsIndexLength);
//parameter write
if (commandInfo.OutsIndexLength > 0)
{
for (byte i = 0, l = commandInfo.OutsIndexLength; i < l; i++)
{
//write index
m.WriteByte(commandInfo.OutsIndex[i]);
//write parameter
CsSocket.WriteDataItem(m, parameters[commandInfo.OutsIndex[i]]);
}
}
//body
CsSocket.WriteDataItem(m, value);
//build value buffer completed
//svae value buffer to cache
//if (result == CsResult.Success && cacheType == CacheType.NoCache && hasContent && commandInfo.CacheExpires > 0)
if (cacheEnable && cacheType == ServerCacheType.NoCache)
{
cacheBuffer = m.ToArray();
try
{
//set cache
ServerCache.Cache.Set(cacheKey, cacheBuffer, configItem.CacheExpires);
cacheType = ServerCacheType.NewCache;
}
catch (Exception e)
{
this.logManager.Exception(e);
}
}
//delete cache
if (ServerCache.Enable && cacheEnable && configItem.CacheDeletes != null)
{
this.DeleteCache(commandInfo, configItem, parameters);
}
//send value
if (cacheType == ServerCacheType.NewCache)
{
socket.Send(cacheBuffer);
}
else
{
socket.Send(m.GetBuffer(), 0, (int)m.Length, SocketFlags.None);
}
}
}
}
else
{
//parameter error
result = false;
//value = "parameter error";
}
//send error
if (result == false)
{
using (var m = new MemoryStream())
{
m.WriteByte((byte)CsResult.Fail);
//write failure message
CsSocket.WriteDataItem(m, (string)value);
//
socket.Send(m.GetBuffer(), 0, (int)m.Length, SocketFlags.None);
}
}
//
if (this.logMessage.Enable)
{
//this.logMessage.WriteTimeLine("{0}: {1}.{2}:{3}, Cache:{4}, InvokeSeconds:{5},Seconds:{6}",
// this.id, serverName, commandName, result ? "Success" : "Failure", cacheType, invokeSeconds, DateTime.Now.Subtract(start).TotalSeconds);
//stopwatch.Stop();
//var elapsedMilliseconds = stopwatch.ElapsedMilliseconds;
var elapsedMilliseconds = Environment.TickCount - commandStart;
//this.logMessage.WriteTimeLine("{0}: {1}.{2}:{3}, Cache:{4}, Elapsed:{5}",
// this.id, serverName, commandName, result ? "Success" : "Failure", cacheType, stopwatch.Elapsed.TotalSeconds);
this.logMessage.WriteTimeLine("{0}\t{1}\t{2}.{3}\t{4}\t{5}",
this.id
, cacheType
, serverName
, commandName
, elapsedMilliseconds
, (result ? "OK" : (string)value));
}
}
