Enterprise Curl

HTTPCommunication

In Chapter 3, we saw how the HTTPCommunication class is used to control all access to and from a network. Now, we will revisit that class to create a method that determines whether a PC has a working network connection. The code required is shown in Figure 22-7.

The {has-connection} method first creates an instance of the Curl system class DataTCPSocket and stores this in the local socket variable. The {constructor} for DataTCPSocket has many settings that affect the type of socket it will manage, and as you can see in Figure 22-7, we only specify a few configuration parameters.

remote-address specifies which remote address to connect to, and we define this using the SocketInetAddress class, which is a Curl system class that ...