McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Chapter 16 Socket Interface

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 CONTENTS SOME DEFINITIONS SOCKETS BYTE ORDERING ADDRESS TRANSFORMATION BYTE MANIPULATION FUNCTIONS INFORMATION ABOUT REMOTE HOST SOCKET SYSTEM CALLS CONNECTIONLESS ITERATIVE SERVER

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 CONTENTS (continued) UDP CLIENT-SERVER PROGRAMS CONNECTION-ORIENTED CONCURRENT SERVER TCP CLIENT-SERVER PROGRAMS

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 SOME DEFINITIONS 16.1

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 16-1 Data types

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 16-2 Internet address structure

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 SOCKETS 16.2

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 16-3 Socket address

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 16-4 Socket structure

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 16-5 Socket types

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 BYTE ORDERING 16.3

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 16-6 Big-endian byte order

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 16-7 Little-endian byte order

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 The byte order for the TCP/IP protocol suite is big endian.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 16-8 Bite-order transformation

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 16-9 Declarations for byte-order transformation

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 ADDRESS TRANSFORMATION 16.4

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Address transformation

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Declarations for address transformation functions

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 BYTE MANIPULATION FUNCTIONS 16.5

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Declarations for byte-manipulation functions

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 INFORMATION ABOUT REMOTE HOST 16.6

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Declaration for gethostbyname

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Hostent structure

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 SOCKET SYSTEM CALLS 16.7

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Declaration for socket function

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Declaration for bind function

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Declaration for connect function

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Declaration for listen function

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Declaration for accept function

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Declaration for sendto function

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Declaration for recvfrom function

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Declaration for read function

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Declaration for write function

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Declaration for close function

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 CONNECTIONLESS ITERATIVE SERVER 16.8

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Socket interface for connectionless iterative server

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 UDP CLIENT-SERVER PROGRAMS 16.9

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 CONNECTION-ORIENTED CONCURRENT SERVER 16.10

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure Socket interface for connection-oriented concurrent server

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure (repeated), Part I

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure (repeated), Part II

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 16-27, Part I Client and Server

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Figure 16-27, Part II