TCP/IP Application Development

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(Examples)
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==Examples==
==Examples==
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<nowiki>
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<code><pre>
#include <string.h>
#include <string.h>
#include <sys/types.h>
#include <sys/types.h>
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return 1;
return 1;
}
}
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</nowiki>
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</pre></code>
==References==
==References==

Revision as of 02:33, 8 April 2008

Contents


Introduction

TCP/IP Applications are Applications based on the TCP/IP protocol suite. It is part of the Application Layer of the Layered Network Model also known as OSI.

Client/Server Model

Best Practices

Security Issues

Examples

#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>

#define SERVERPORT 8888
#define SERVERADDRESS "192.168.1.105"

int main()
{
	int servSock, bytes_sent, sin_size;
	
	char msg[10];
	
	struct sockaddr_in serverAddress; // server's address and port information
	
	struct hostent *host; //host information
	
	
	if ((servSock = socket(PF_INET, SOCK_STREAM, 0)) < 0)
		printf("socket() FAILED");
		
	serverAddress.sin_family = AF_INET;
	serverAddress.sin_port = htons(SERVERPORT);
	serverAddress.sin_addr.s_addr = inet_addr(SERVERADDRESS);
	memset(serverAddress.sin_zero, '\0', sizeof serverAddress.sin_zero);
	
	connect(servSock, (struct sockaddr *)&serverAddress, sizeof serverAddress);
	
	while(1)
	{
		scanf("%s", msg);
		send(servSock, msg, sizeof (msg), 0);
		if(strcmp(msg, "exit") == 0)
			break;
	}
	close(servSock);
	
	return 1;
}

References

See also

External links

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