From cb16da88946f7f75a438b471734fa22c33f94461 Mon Sep 17 00:00:00 2001
From: brain <brain@e03df62e-2008-0410-955e-edbf42e46eb7>
Date: Thu, 2 Feb 2006 17:24:15 +0000
Subject: More nonblocking dns stuffs

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@3020 e03df62e-2008-0410-955e-edbf42e46eb7
---
 src/modules/m_ident.cpp |  5 +++++
 src/socket.cpp          | 23 +++++++++++++++++++----
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/src/modules/m_ident.cpp b/src/modules/m_ident.cpp
index 1b92b07db..93fe115a2 100644
--- a/src/modules/m_ident.cpp
+++ b/src/modules/m_ident.cpp
@@ -98,6 +98,11 @@ class RFC1413 : public InspSocket
 		u->Shrink("ident_data");
 	}
 
+	virtual void OnError(InspSocketError e)
+	{
+		u->Shrink("ident_data");
+	}
+
 	virtual bool OnConnected()
 	{
 		uslen = sizeof(sock_us);
diff --git a/src/socket.cpp b/src/socket.cpp
index f42a4691f..7b85f7f6b 100644
--- a/src/socket.cpp
+++ b/src/socket.cpp
@@ -92,18 +92,22 @@ InspSocket::InspSocket(std::string host, int port, bool listening, unsigned long
 	else
 	{
 		this->host = host;
+		this->port = port;
 
 		if (!inet_aton(host.c_str(),&addy))
 		{
+			log(DEBUG,"Attempting to resolve %s",this->host.c_str());
 			/* Its not an ip, spawn the resolver */
 			this->dns.SetNS(std::string(Config->DNSServer));
 			this->dns.ForwardLookupWithFD(host,fd);
-	                timeout_end = time(NULL)+maxtime;
+			timeout_end = time(NULL)+maxtime;
 	                timeout = false;
 			this->state = I_RESOLVING;
+			socket_ref[this->fd] = this;
 		}
 		else
 		{
+			log(DEBUG,"No need to resolve %s",this->host.c_str());
 			this->IP = host;
 			this->DoConnect();
 		}
@@ -112,15 +116,20 @@ InspSocket::InspSocket(std::string host, int port, bool listening, unsigned long
 
 bool InspSocket::DoResolve()
 {
+	log(DEBUG,"In DoResolve(), trying to resolve IP");
 	if (this->dns.HasResult())
 	{
+		log(DEBUG,"Socket has result");
 		std::string res_ip = dns.GetResultIP();
 		if (res_ip != "")
 		{
+			log(DEBUG,"Socket result set to %s",res_ip.c_str());
 			this->IP = res_ip;
+			socket_ref[this->fd] = NULL;
 		}
 		else
 		{
+			log(DEBUG,"Socket DNS failure");
 			this->Close();
 			this->state = I_ERROR;
 			this->OnError(I_ERR_RESOLVE);
@@ -128,19 +137,22 @@ bool InspSocket::DoResolve()
 		}
 		return this->DoConnect();
 	}
-	else return true;
+	log(DEBUG,"No result for socket yet!");
+	return true;
 }
 
 bool InspSocket::DoConnect()
 {
+	log(DEBUG,"In DoConnect()");
 	if ((this->fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
 	{
+		log(DEBUG,"Cant socket()");
 		this->state = I_ERROR;
 		this->OnError(I_ERR_SOCKET);
 		return false;
 	}
 
-	this->port = port;
+	log(DEBUG,"Part 2 DoConnect() %s",this->IP.c_str());
 	inet_aton(this->IP.c_str(),&addy);
 	addr.sin_family = AF_INET;
 	addr.sin_addr = addy;
@@ -154,9 +166,10 @@ bool InspSocket::DoConnect()
 	{
 		if (errno != EINPROGRESS)
 		{
-			this->Close();
+			log(DEBUG,"Error connect() %d: %s",this->fd,strerror(errno));
 			this->OnError(I_ERR_CONNECT);
 			this->state = I_ERROR;
+			this->Close();
 			return false;
 		}
 	}
@@ -259,9 +272,11 @@ bool InspSocket::Poll()
 	switch (this->state)
 	{
 		case I_RESOLVING:
+			log(DEBUG,"State = I_RESOLVING, calling DoResolve()");
 			return this->DoResolve();
 		break;
 		case I_CONNECTING:
+			log(DEBUG,"State = I_CONNECTED");
 			this->SetState(I_CONNECTED);
 			/* Our socket was in write-state, so delete it and re-add it
 			 * in read-state.
-- 
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