/*----< start a send source file and request files by each sender >----------*/
private void startsend(List <string> requestFiles, int port, int numofProcess, Sender send)
{
Sender sndr = send;
sndr.WritePath_ = "..\\..\\..\\ProcessPool\\Build" + (port - numofProcess);
sndr.postFile(requestFiles[requestFiles.Count() - 1]);
sendSourceToChild(sndr, requestFiles[requestFiles.Count() - 1]);
string fileSendToChild = requestFiles[requestFiles.Count() - 1];
requestFiles.RemoveAt(requestFiles.Count() - 1);
CommMessage sndMsg = new CommMessage(CommMessage.MessageType.request);
sndMsg.command = "sendfile";
sndMsg.author = "Quanfeng Du";
sndMsg.to = "http://localhost:" + (port - numofProcess).ToString() + "/Ibuilder";
sndMsg.from = "http://localhost:" + (port - numofProcess).ToString() + "/Ibuilder";
sndMsg.filename = fileSendToChild;
sndr.postMessage(sndMsg);
}