UNIX System V Network Programming (Addison-Wesley Professional Computing Series)

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About UNIX System V Network Programming

Product Description Finally, with UNIX® System V Network Programming, an authoritative reference is available for programmers and system architects interested in building networked and distributed applications for UNIX System V. Even if you currently use a different version of the UNIX system, such as the latest release of 4.3BSD or SunOS, this book is valuable to you because it is centered around UNIX System V Release 4, the version of the UNIX system that unified many of the divergent UNIX implementations. For those professionals new to networking and UNIX system programming, two introductory chapters are provided. The author then presents the programming interfaces most important to building communication software in System V, including STREAMS, the Transport Layer Interface library, Sockets, and Remote Procedure Calls. So that your designs are not limited to user-level, the author also explains how to write kernel-level communication software, including STREAMS drivers, modules, and multiplexors. Many examples are provided, including an Ethernet driver and a transport-level multiplexing driver. In the final chapter, the author brings the material from previous chapters together, presenting the design of a SLIP communication package. From the Inside Flap This book is for programmers who are interested in learning how to use the networking interfaces in UNIX System V Release 4 (SVR4). We use real-life examples to demonstrate how interfaces are used and techniques are applied. All too often in the workplace we find ourselves faced with new assignments for which we have little background. In these situations, we must educate ourselves as quickly as possible so that we can competently undertake the task at hand. Although technical manuals usually provide the information necessary to complete a task, they often lack the background, motivation, and explanation that help us to understand more clearly what we're doing and why we're doing it. Intended as a practical reference, this book contains very little coverage of theory, and details better dealt with through manual pages are omitted, although references are used liberally. It could, however, be used to complement a graduate or advanced undergraduate course in networking. As a prerequisite to reading this book, you should be familiar with the UNIX environment and the C programming language so that the examples can be understood. Some background in data structures and algorithms would be helpful, but is not required. References to SVR4 manual pages are in the running text, appearing as the command name or function name, followed by the section of the manual in which the page is found, as in open (2). Here, we are referring to the open manual page in Section 2 of the system manuals. Originally, there was only one manual for the system. With the introduction of each new release of the system, the manual grew in size until it had to be split up into separate manuals. In UNIX System V Release 3, there was one manual for users, one manual for programmers, and one manual for system administrators. In SVR4, however, the manual pages were redistributed by functional area. The user commands are no longer in a single manual, nor can you find all the programming interfaces in one place. This new organization has proven difficult to navigate by novices and experts alike. The following summary should aid in the process of locating the desired manual pages. Programmer's Reference Manual(1) Commands relating to source code management, compilation, and loading(2) System calls(3, 3C, 3S, 3E, 3G, 3M, 3X) Most library routines(4) File formats(5) Miscellany (commonly used constants, data structures, and macros) Programmer's Guide: Networking Interfaces(1, 1M) Networking commands(3, 3C, 3N) Network-related library routines(4) Network-related file formats(5) Miscellany, including network-related environment variables(7) Networking drivers and modules Programmer's Guide: STREAMS(1, 1M) ST