void onConnection(const TcpConnectionPtr& conn){
LOG_INFO << "FileServer - " << conn->peerAddress().toIpPort() << " -> "
<< conn->localAddress().toIpPort() << " is "
<< (conn->connected() ? "UP" : "DOWN");
if(conn->connected()){
LOG_INFO << "FileServer - Sending file " << g_file
<< " to " << conn->peerAddress().toIpPort();
conn->setHighWaterMarkCallback(onHighWaterMark, 64*1024);
string fileContent = readFile(g_file);
conn->send(fileContent);
conn->shutdown();
LOG_INFO << "FileServer - done";
}
}
