Started removal of server linking code from core and implementation of socket API

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@1930 e03df62e-2008-0410-955e-edbf42e46eb7

1 files changed, 92 insertions, 19 deletions

diff --git a/src/socket.cpp b/src/socket.cpp
index 2b6f84cd3..cb019a3c2 100644
--- a/src/socket.cpp
+++ b/src/socket.cpp
@@ -25,6 +25,7 @@ using namespace std;
 #include <string>
 #include <unistd.h>
 #include <fcntl.h>
+#include <poll.h>
 #include <sstream>
 #include <iostream>
 #include <fstream>
@@ -66,6 +67,7 @@ InspSocket::InspSocket(std::string host, int port, bool listening, unsigned long
                 if ((this->fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
 		{
 			this->state = I_ERROR;
+			this->OnError(I_ERR_SOCKET);
                         return;
 		}
 		this->port = port;
@@ -82,9 +84,8 @@ InspSocket::InspSocket(std::string host, int port, bool listening, unsigned long
                 {
                         if (errno != EINPROGRESS)
                         {
-                                shutdown(this->fd,2);
-                                close(this->fd);
-                                this->fd = -1;
+				this->Close();
+				this->OnError(I_ERR_CONNECT);
 				this->state = I_ERROR;
                                 return;
                         }
@@ -94,37 +95,109 @@ InspSocket::InspSocket(std::string host, int port, bool listening, unsigned long
 	}
 }
 
-void InspSocket::EngineTrigger()
+void InspSocket::Close()
 {
-	switch (this->state)
+	if (this->fd != -1)
 	{
-		case I_CONNECTING:
-			this->OnConnected();
-		break;
-		case I_LISTENING:
-			this->OnIncomingConnection();
-		break;
-		case I_CONNECTED:
-			this->OnDataReady();
-		break;
-		default:
-		break;
+		this->OnClose();
+	        shutdown(this->fd,2);
+	        close(this->fd);
+	        this->fd = -1;
 	}
 }
 
+char* InspSocket::Read()
+{
+	int n = recv(this->fd,this->ibuf,sizeof(this->ibuf),0);
+	if (n > 0)
+	{
+		return ibuf;
+	}
+	else
+	{
+		return NULL;
+	}
+}
+
+// There are two possible outcomes to this function.
+// It will either write all of the data, or an undefined amount.
+// If an undefined amount is written the connection has failed
+// and should be aborted.
+int InspSocket::Write(std::string data)
+{
+	char* d = (char*)data.c_str();
+	unsigned int written = 0;
+	int n = 0;
+	int s = data.length();
+	while ((written < data.length()) && (n >= 0))
+	{
+		n = send(this->fd,d,s,0);
+		if (n > 0)
+		{
+			// If we didnt write everything, advance
+			// the pointers so that when we retry
+			// the next time around the loop, we try
+			// to write what we failed to write before.
+			written += n;
+			s -= n;
+			d += n;
+		}
+	}
+	return written;
+}
+
+bool InspSocket::Poll()
+{
+	if (time(NULL) > timeout_end)
+	{
+		this->OnTimeout();
+		this->Close();
+		this->OnError(I_ERR_TIMEOUT);
+        	timeout = true;
+		this->state = I_ERROR;
+	        return false;
+	}
+        polls.fd = this->fd;
+	state == I_CONNECTING ? polls.events = POLLOUT : polls.events = POLLIN;
+	int ret = poll(&polls,1,1);
+
+        if (ret > 0)
+	{
+		switch (this->state)
+		{
+			case I_CONNECTING:
+				return this->OnConnected();
+			break;
+			case I_LISTENING:
+				this->OnIncomingConnection();
+			break;
+			case I_CONNECTED:
+				return this->OnDataReady();
+			break;
+			default:
+			break;
+		}
+	}
+
+	return true;
+}
+
 void InspSocket::SetState(InspSocketState s)
 {
 	this->state = s;
 }
 
-int InspSocket::OnConnected() { return 0; }
-int InspSocket::OnError() { return 0; }
+bool InspSocket::OnConnected() { return true; }
+void InspSocket::OnError(InspSocketError e) { return; }
 int InspSocket::OnDisconnect() { return 0; }
 int InspSocket::OnIncomingConnection() { return 0; }
-int InspSocket::OnDataReady() { return 0; }
+bool InspSocket::OnDataReady() { return true; }
+void InspSocket::OnTimeout() { return; }
+void InspSocket::OnClose() { return; }
 
 InspSocket::~InspSocket()
 {
+	this->Close();
 }
 
 /*