From 0ebea1150578ffbc56b438ae2f85c6dc86153ed3 Mon Sep 17 00:00:00 2001
From: brain <brain@e03df62e-2008-0410-955e-edbf42e46eb7>
Date: Tue, 7 Feb 2006 16:55:02 +0000
Subject: Slightly more efficient write buffers

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@3125 e03df62e-2008-0410-955e-edbf42e46eb7
---
 src/socket.cpp | 28 +++++++++++++++++++++++-----
 1 file changed, 23 insertions(+), 5 deletions(-)

(limited to 'src/socket.cpp')

diff --git a/src/socket.cpp b/src/socket.cpp
index 7b85f7f6b..15a076273 100644
--- a/src/socket.cpp
+++ b/src/socket.cpp
@@ -114,6 +114,15 @@ InspSocket::InspSocket(std::string host, int port, bool listening, unsigned long
 	}
 }
 
+void InspSocket::SetQueues(int nfd)
+{
+        // attempt to increase socket sendq and recvq as high as its possible
+	int sendbuf = 32768;
+	int recvbuf = 32768;
+	setsockopt(nfd,SOL_SOCKET,SO_SNDBUF,(const void *)&sendbuf,sizeof(sendbuf));
+	setsockopt(nfd,SOL_SOCKET,SO_RCVBUF,(const void *)&recvbuf,sizeof(sendbuf));
+}
+
 bool InspSocket::DoResolve()
 {
 	log(DEBUG,"In DoResolve(), trying to resolve IP");
@@ -176,6 +185,7 @@ bool InspSocket::DoConnect()
 	this->state = I_CONNECTING;
 	ServerInstance->SE->AddFd(this->fd,false,X_ESTAB_MODULE);
 	socket_ref[this->fd] = this;
+	this->SetQueues(this->fd);
 	return true;
 }
 
@@ -225,7 +235,7 @@ char* InspSocket::Read()
 // and should be aborted.
 int InspSocket::Write(std::string data)
 {
-	this->Buffer = this->Buffer + data;
+	this->Buffer.append(data);
 	this->FlushWriteBuffer();
 	return data.length();
 }
@@ -238,10 +248,17 @@ void InspSocket::FlushWriteBuffer()
 		result = send(this->fd,this->Buffer.c_str(),this->Buffer.length(),0);
 		if (result > 0)
 		{
-			/* If we wrote some, advance the buffer forwards */
-			char* n = (char*)this->Buffer.c_str();
-			n += result;
-			this->Buffer = n;
+			if (result == (int)this->Buffer.length())
+			{
+				this->Buffer = "";
+			}
+			else
+			{
+				/* If we wrote some, advance the buffer forwards */
+				char* n = (char*)this->Buffer.c_str();
+				n += result;
+				this->Buffer = n;
+			}
 		}
 	}
 }
@@ -288,6 +305,7 @@ bool InspSocket::Poll()
 		case I_LISTENING:
 			length = sizeof (client);
 			incoming = accept (this->fd, (sockaddr*)&client,&length);
+			this->SetQueues(incoming);
 			this->OnIncomingConnection(incoming,inet_ntoa(client.sin_addr));
 			return true;
 		break;
-- 
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