From 36968bf3f13378c5d5fbb9882401a16a627aeaab Mon Sep 17 00:00:00 2001
From: Vegard Storheil Eriksen <zyp@jvnv.net>
Date: Mon, 1 Nov 2010 17:10:45 +0100
Subject: Boost.Asio demo.

---
 server/SConstruct |  2 ++
 server/main.cpp   | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 71 insertions(+), 1 deletion(-)

diff --git a/server/SConstruct b/server/SConstruct
index b8329cd..d1def28 100644
--- a/server/SConstruct
+++ b/server/SConstruct
@@ -7,6 +7,8 @@ env = Environment(
 AddOption('--release', action = 'store_true')
 AddOption('--profiling', action = 'store_true')
 
+env.Append(LIBS = ['boost_system', 'pthread'])
+
 if not GetOption('release'):
         env.Append(CPPFLAGS = ['-Wall', '-g'])
 
diff --git a/server/main.cpp b/server/main.cpp
index 443bd82..9341623 100644
--- a/server/main.cpp
+++ b/server/main.cpp
@@ -1,5 +1,73 @@
+#include <iostream>
+#include <boost/bind.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/enable_shared_from_this.hpp>
+#include <boost/asio.hpp>
 
+using boost::asio::ip::tcp;
 
-int main() {
+class tcp_connection : public boost::enable_shared_from_this<tcp_connection> {
+	public:
+		typedef boost::shared_ptr<tcp_connection> pointer;
+		
+		static pointer create(boost::asio::io_service& io_service) {
+			return pointer(new tcp_connection(io_service));
+		}
+		
+		tcp::socket& socket() {
+			return socket_;
+		}
+		
+		void start() {
+			boost::asio::async_write(socket_, boost::asio::buffer("Hei!\n"),
+				boost::bind(&tcp_connection::handle_write, shared_from_this()));
+		}
 	
+	private:
+		tcp::socket socket_;
+		
+		tcp_connection(boost::asio::io_service& io_service) : socket_(io_service) {
+		}
+		
+		void handle_write() {
+		}
+};
+
+class tcp_server {
+	public:
+		tcp_server(boost::asio::io_service& io_service)
+			: acceptor_(io_service, tcp::endpoint(tcp::v4(), 12345)) {
+			start_accept();
+		}
+		
+	private:
+		tcp::acceptor acceptor_;
+		
+		void start_accept() {
+			tcp_connection::pointer new_connection = tcp_connection::create(acceptor_.io_service());
+			
+			acceptor_.async_accept(new_connection->socket(), boost::bind(&tcp_server::handle_accept, this, new_connection, boost::asio::placeholders::error));
+		}
+		
+		void handle_accept(tcp_connection::pointer new_connection, const boost::system::error_code& error) {
+			if(!error) {
+				new_connection->start();
+				start_accept();
+			}
+		}
+};
+
+int main() {
+	try {
+		boost::asio::io_service io_service;
+		
+		tcp_server server(io_service);
+		
+		std::cout << "Listening to port 12345" << std::endl;
+		
+		io_service.run();
+		
+	} catch(std::exception& e) {
+		std::cerr << "Exception caught: " << e.what() << std::endl;
+	}
 }
-- 
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