'Int sockfd' presentation slideshows

Network Programming Using Internet Sockets

Network Programming Using Internet Sockets. Wu Xuanxuan Lai Xinyu ??? ??? xuan_tju@126.com 15122211137@163.com. Agenda. Basic Socket Programming Understanding Sockets Socket API Structs and Data Handling A simple example Assignment References. Basic Socket Programming.

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TCP Sockets

TCP Sockets. Computer Network Programming. TCP Echo Server. We will write a simple echo server and client client read a line of text from standard input and wii send it to the server server will read the line from network and will write it back to client

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UDP Sockets

UDP Sockets. UDP: unreliable delivery, no connection DNS, NFS, SNMP. r ecvfrom and sento. #include <sys/socket.h> ssize_t recvfrom(int sockfd, void *buff, size_t nbytes, int flags, struct sockaddr *from, socklen_t *addrlen);

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Socket Programming

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Introduction to Computer Networks

Introduction to Computer Networks. Polly Huang EE NTU http://cc.ee.ntu.edu.tw/~phuang phuang@cc.ee.ntu.edu.tw. Unix Network Programming. The socket struct and data handling System calls Based on Beej's Guide to Network Programming. The Unix Socket. A file descriptor really

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CMPT 471 Networking II

CMPT 471 Networking II. Network Programming. Transfer of Data. The following functions all allow the transfer of data through the socket. #include <sys/socket.h> int read( int socketfd , void *buffer, int maxbuflen) int write ( int socketfd , void *buffer, int maxbuflen)

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Sockets

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CS 4700 / CS 5700 Network Fundamentals

Lecture 4: Crash Course in C Sockets (Prepare yourself for Project 1). CS 4700 / CS 5700 Network Fundamentals. Revised 9/3/ 14. Socket Programming. Goal: familiarize yourself with socket programming Why am I presenting C sockets?

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Socket Programming Part 1

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Socket Programming: a Primer

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UNIX Sockets

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TDC561 Network Programming

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TDC561 Network Programming

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Advanced I/O Functions

Advanced I/O Functions. Outline. Socket Timeouts recv and send Functions readv and writev Functions recvmsg and sendmsg Function Ancillary Data How much Data is Queued? Sockets and Standard I/O. Socket Timeouts. Three ways to place a timeout on an I/O operation involving a socket

477 views • 22 slides

Chapter 13. Advanced I / O Functions

Chapter 13. Advanced I / O Functions. 13.1 Introduction. Socket Timeouts recv and send Functions readv and writev Functions recvmsg and sendmsg Function Ancillary Data How much Data is Queued? Sockets and Standard I/O T/TCP. 13.2 Socket Timeouts.

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ADVANCED NETWORK PROGRAMMING

ADVANCED NETWORK PROGRAMMING. ADVANCED SOCKET OPTIONS IPv4&IPv6 Interoperability IOCTL Options Advanced I/O Functions Nonblocking I/O Functions Thrads Client&Server Design Alternatives. B?LG?N MET?N. IPv4&IPv6 Interoperability.

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Ports

Ports. Port - A 16-bit number that identifies the application process that receives an incoming message. Reserved ports or well-known ports ( 0 to 1023 ) Standard ports for well-known applications. Telnet (23), ftp(21), http (80).

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An example for getenv and environ. See example0.c

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Review: UDP: What is the difference between UDP and TCP? Why UDP? UDP service interface?

Review: UDP: What is the difference between UDP and TCP? Why UDP? UDP service interface?. #include <sys/socket.h> ssize_t recvfrom(int sockfd, void *buff, size_t nbytes, int flags, struct sockaddr *from, socklen_t *addrlen);

215 views • 7 slides