/// <summary>
/// 创建指标
/// </summary>
/// <param name="native">方法库</param>
/// <param name="script">脚本</param>
/// <param name="xml">XML</param>
/// <returns>指标</returns>
public static CIndicator CreateIndicator(String script, INativeBase native)
{
CIndicator indicator = native.CreateIndicator();
CTable table = native.CreateTable();
indicator.DataSource = table;
CFunctionBase.AddFunctions(indicator);
CFunctionHttp.AddFunctions(indicator);
int index = STARTINDEX;
string[] functions = FUNCTIONS.Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries);
int functionsSize = functions.Length;
for (int i = 0; i < functionsSize; i++)
{
indicator.AddFunction(new CFunctionEx(indicator, index + i, functions[i], native));
}
indicator.Script = script;
table.AddColumn(0);
table.Set(0, 0, 0);
indicator.OnCalculate(0);
return(indicator);
}
/// <summary>
/// 接受请求
/// </summary>
/// <param name="param">参数</param>
private static void ReadData(object param)
{
Socket socket = (Socket)param;
NodeService nodeService = DataCenter.NodeService;
int newSocketID = (int)socket.Handle;
try
{
byte[] buffer = new byte[102400];
int len = socket.Receive(buffer);
MemoryStream memoryStream = new MemoryStream(buffer);
StreamReader reader = new StreamReader(memoryStream);
HttpData data = new HttpData();
data.m_remoteIP = ((IPEndPoint)socket.RemoteEndPoint).Address.ToString();
data.m_remotePort = ((IPEndPoint)socket.RemoteEndPoint).Port;
String requestHeader;
int contentLength = 0;
string parameters = "";
while ((requestHeader = reader.ReadLine()) != null && !String.IsNullOrEmpty(requestHeader))
{
String lowerHeader = requestHeader.ToLower();
if (lowerHeader.IndexOf("get") == 0)
{
int end = lowerHeader.IndexOf("http/");
data.m_method = "GET";
parameters = requestHeader.Substring(5, end - 6);
}
else if (lowerHeader.IndexOf("post") == 0)
{
int end = lowerHeader.IndexOf("http/");
data.m_method = "POST";
parameters = requestHeader.Substring(5, end - 6);
}
else if (lowerHeader.IndexOf("accept: ") == 0)
{
try
{
data.m_contentType = requestHeader.Substring(8, requestHeader.IndexOf(',') - 8);
}
catch { }
}
else if (lowerHeader.IndexOf("content-type:") == 0)
{
data.m_contentType = requestHeader.Substring(14);
}
else if (lowerHeader.IndexOf("host:") == 0)
{
data.m_url = requestHeader.Substring(requestHeader.IndexOf(':') + 2);
}
else if (lowerHeader.IndexOf("content-length") == 0)
{
int begin = lowerHeader.IndexOf("content-length:") + "content-length:".Length;
String postParamterLength = requestHeader.Substring(begin).Trim();
contentLength = Convert.ToInt32(postParamterLength);
}
}
if (contentLength > 0)
{
if (data.m_contentType != null && data.m_contentType == "application/octet-stream(test)")
{
HttpFileData fileHttpData = new HttpFileData();
int recvLength = 0;
while (recvLength < contentLength)
{
byte[] bytes = new byte[10240];
recvLength += socket.Receive(bytes);
fileHttpData.m_recvLength = recvLength;
fileHttpData.m_totalLength = contentLength;
fileHttpData.m_buffer = bytes;
FileTransferService.OnReceive(data, fileHttpData);
}
}
else
{
int idx = 0, ide = 0;
data.m_body = new byte[contentLength];
while (idx < contentLength)
{
int recvData = reader.Read();
if (recvData != -1)
{
if (recvData != 0)
{
ide++;
}
idx++;
}
else
{
break;
}
}
reader.Close();
memoryStream.Dispose();
if (ide == 0)
{
socket.Receive(data.m_body);
}
else
{
for (int i = 0; i < contentLength; i++)
{
data.m_body[i] = buffer[len - contentLength + i];
}
}
}
data.m_contentLength = contentLength;
}
else
{
reader.Close();
memoryStream.Dispose();
}
if (data.m_method.Length == 0)
{
return;
}
int cindex = parameters.IndexOf('?');
if (cindex != -1)
{
data.m_url = data.m_url + "/" + parameters;
parameters = parameters.Substring(cindex + 1);
String[] strs = parameters.Split(new string[] { "&" }, StringSplitOptions.RemoveEmptyEntries);
int strsSize = strs.Length;
for (int i = 0; i < strsSize; i++)
{
String[] subStrs = strs[i].Split(new string[] { "=" }, StringSplitOptions.RemoveEmptyEntries);
data.m_parameters[subStrs[0].ToLower()] = subStrs[1];
}
}
else
{
data.m_url += "/" + parameters;
}
CIndicator indicator = null;
if (nodeService.UseScript)
{
try
{
lock (nodeService.m_indicators)
{
indicator = nodeService.m_indicators.Pop();
}
}
catch
{
indicator = CFunctionEx.CreateIndicator(nodeService.Script, nodeService.Native);
}
List <CFunction> functions = indicator.GetFunctions();
int functionsSize = functions.Count;
for (int i = 0; i < functionsSize; i++)
{
CFunctionHttp function = functions[i] as CFunctionHttp;
if (function != null)
{
function.m_data = data;
}
}
}
data.m_socketID = newSocketID;
lock (nodeService.m_httpDatas)
{
nodeService.m_httpDatas[newSocketID] = data;
}
if (indicator != null)
{
indicator.CallFunction("ONHTTPREQUEST();");
}
if (data.m_close)
{
return;
}
int resContentLength = 0;
if (data.m_resBytes != null)
{
resContentLength = data.m_resBytes.Length;
}
else
{
if (data.m_resStr != null)
{
resContentLength = Encoding.Default.GetBytes(data.m_resStr).Length;
}
}
StringBuilder bld = new StringBuilder();
bld.Append("HTTP/1.0 " + data.m_statusCode.ToString() + " OK\r\n");
bld.Append(String.Format("Content-Length: {0}\r\n", resContentLength));
bld.Append("Connection: close\r\n\r\n");
if (data.m_resBytes != null)
{
socket.Send(Encoding.Default.GetBytes(bld.ToString()));
socket.Send(data.m_resBytes);
}
else
{
bld.Append(data.m_resStr);
socket.Send(Encoding.Default.GetBytes(bld.ToString()));
}
if (indicator != null)
{
lock (nodeService.m_indicators)
{
nodeService.m_indicators.Push(indicator);
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + "\r\n" + ex.StackTrace);
}
finally
{
lock (nodeService.m_httpDatas)
{
nodeService.m_httpDatas.Remove(newSocketID);
}
socket.Close();
}
}
