This directory contains groups of client and server test programs that exercise the various C++ wrappers for sockets. In general, the test programs do more or less the same thing -- the client establishes a connection with the server and then transfers data to the server, which keeps printing the data until EOF is reached (e.g., user types ^D). Unless noted differently, the server is implemented as an "iterative server," i.e., it only deals with one client at a time. The following describes each set of tests in more detail: . C-{inclient,inserver}.cpp -- This is basically a C code implementation that opens a connection to the server and sends all the data from the stdin using Internet domain sockets (i.e., TCP). . CPP-{inclient,inserver}.cpp -- This test is a more sophisticated C++ wrapper version of the preceeding "C" test using Internet domain sockets (i.e., TCP). It allows you to test oneway and twoway socket communication latency and throughput between two processes on the same machine or on different machines. . CPP-inserver-fancy.cpp -- This program is a more glitzy version of CPP-inserver.cpp that illustrates additional features of ACE, such as ACE_Svc_Handler. . CPP-inserver-poll.cpp -- This test illustrates how to write single-threaded concurrent servers using UNIX SVR4 poll(). You can run this test using the CPP-inclient.cpp program as the oneway client. . CPP-{unclient,unserver}.cpp -- This test is basically a C++ wrapper version of the preceeding "C++" test using UNIX domain sockets. Note that this test only works between a client and server process on the same machine. . FD-{unclient,inclient}.cpp -- This test illustrates how to pass file descriptors between a client and a concurrent server process on the same machine using the ACE C++ wrappers for UNIX domain sockets. For examples of the ACE SOCK_{Dgram,CODgram} and SOCK_Dgram_{Mcast,Bcast} wrappers, please take a look in the ./examples/Reactor/{Dgram,Multicast,Ntalker} directories.