What methods are in the Berkeley socket API?

Contents

Table of Contents

3.1 socket.
3.2 bind.
3.3 listen.
3.4 accept.
3.5 connect.
3.6 gethostbyname and gethostbyaddr.

What is socket API in networking?

The socket API is a collection of socket calls that enable you to perform the following primary communication functions between application programs: Set up and establish connections to other users on the network. Send and receive data to and from other users.

What is an overview socket?

A socket has a type and an associated process. Sockets were designed to implement the client-server model for interprocess communication where: The interface to network protocols needs to accommodate multiple communication protocols, such as TCP/IP, Xerox internet protocols (XNS), and the UNIX family.

What is BSD socket interface?

BSD Socket. The BSD sockets application programming interface (API) is a set of standard function calls that can be used in an application. They allow programmers to add Internet communication to their products. A client/server architecture is mandatory for BSD sockets.

What is the BSD socket interface?

What is socket and its types?

There are two types of Sockets: the datagram socket and the stream socket. Datagram Socket : This is a type of network which has connection less point for sending and receiving packets. It is similar to mailbox.

What is the purpose of socket?

Sockets allow you to exchange information between processes on the same machine or across a network, distribute work to the most efficient machine, and they easily allow access to centralized data. Socket application program interfaces (APIs) are the network standard for TCP/IP.

What does a socket consist of?

A socket has three parts: protocol, local-address, local-port. Figure 1 illustrates the concept of a socket. The term association is used to specify completely the two processes that comprise a connection: (protocol,local-address,local-port,foreign-address,foreign-port).

What is a socket interface in Unix?

The “socket” interface, first introduced in the Berkeley versions of Unix, forms the basis for most network programming in Unix systems. Sockets are a generalization of the Unix file access mechanism that provides an endpoint for communication either across a network or within a single computer.

When was the socket interface first used?

The original socket interface was developed for the 1982 version of the Berkeley Systems Distribution of Unix (BSD 4.1c). It was designed at the time to be used with a number of network protocol architectures, not just TCP/IP alone.

What is the difference between socket_sendto () and socket_shutdown ()?

socket_sendto()returns the amount of data which was written. If there is an error, -1 is returned and GetMITLibError()can be called to get the error code. int socket_shutdown(int sockFD, int howTo); socket_shutdown()closes one or both directions of a connected socket. howTocan be SHUT_RD, SHUT_WRor SHUT_RDWR.

What does socket_bind () actually do?

Note that the second argument to socket_bind()is actually a struct sockaddr_in*which is cast to the more general struct sockaddr*because internet addresses are used by the Socket Library. Also, it is not necessary to bind a socket prior to connecting it. If a socket is not bound the library will choose the local port and IP.