server.c

Ep9315 arm ep9315 以太网测试程序

/*
 *
 *		server.c
 *		CopyRight cEnZmin	[e-mail]
 *
 *
 *		use tcp test ethernet
 */


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

int port = 8308;

int main(void)
{
	struct sockaddr_in sin;
	struct sockaddr_in pin;
	int sock_descriptor;
	int temp_sock_descriptor;
	int address_size;
	char buf[16384];
	int i, len, n;

	sock_descriptor = socket(AF_INET, SOCK_STREAM, 0);
	if(sock_descriptor == -1)
		{
		perror("call to socket.\n");
		exit(1);
		}

	bzero(&sin, sizeof(sin));
	sin.sin_family = AF_INET;
	sin.sin_addr.s_addr = INADDR_ANY;
	sin.sin_port = htons(port);

	if(bind(sock_descriptor, (struct sockaddr *)&sin, sizeof(sin)) == -1)
		{
		perror("call to bind.\n");
		exit(1);
		}

	if(listen(sock_descriptor, 20) == -1)
		{
		perror("call to listen.\n");
		exit(1);
		}

	printf("Accepting connections ...\n");

	while(1)
		{
		temp_sock_descriptor = accept(sock_descriptor, (struct sockaddr *)&pin, &address_size);
		if(temp_sock_descriptor == -1)
			{
			perror("call to accept.\n");
			exit(1);			
			}

		if((n = recv(temp_sock_descriptor, buf, 16384, 0)) == -1)
			{
			perror("call to recv.\n");
			exit(1);
			}

		printf("receive from client:%s\n", buf);

		buf[n] = '\0';
		len = strlen(buf);
		printf("--receive %s : %d\n", buf, len);
		for(i=0; i<len; i++)
			{
			buf[i] = toupper(buf[i]);
			}

		if(send(temp_sock_descriptor, buf, len, 0) == -1)
			{
			perror("call to send.\n");
			exit(1);
			}

		close(temp_sock_descriptor);

		if(strcmp(buf, "QUIT") == 0)
			{
			break;
			}
		}
	
	close(sock_descriptor);

	return 0;
}