client.c

Ep9315 arm ep9315 以太网测试程序

/*
 *
 *		client.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>

char *host_name = "192.168.1.141";
int port = 8308;

int main(int argc, char *argv[])
{
	char buf[8192];
	char message[256];
	int socket_descriptor;
	struct sockaddr_in pin;
	struct hostent *server_host_name;
	int n;

	char *str = "A default test string";

	if(argc < 2)
		{
		printf("Usage:'test \"Any test string\"\n");
		printf("Wd will send a default test string.\n");
		}
	else
		{
		str = argv[1];
		}

	if((server_host_name = gethostbyname(host_name)) == 0)
		{
		perror("Error resolving local host.\n");
		exit(1);
		}

	bzero(&pin, sizeof(pin));
	pin.sin_family = AF_INET;
	pin.sin_addr.s_addr = htonl(INADDR_ANY);
//	pin.sin_addr.s_addr = ((struct sockaddr *)(server_host_name->h_addr))->s_addr;
	memcpy(&pin.sin_addr, server_host_name->h_addr, server_host_name->h_length);
	pin.sin_port = htons(port);

	if((socket_descriptor = socket(AF_INET, SOCK_STREAM, 0)) == -1)
		{
		perror("Error open socket.\n");
		exit(1);
		}

	if(connect(socket_descriptor, (void *)&pin, sizeof(pin)) == -1)
		{
		perror("Error connecting to socket.\n");
		exit(1);
		}

	printf("Send message %s to server...\n", str);

	if(send(socket_descriptor, str, strlen(str), 0) == -1)
		{
		perror("Error in send.\n");
		exit(1);
		}

	printf("...sent message.. wait for response...\n");

	if(recv(socket_descriptor, buf, 8129, 0) == -1)
		{
		perror("Error in receiving response from server\n");
		exit(1);
		}

	printf("\nResponse from server:\n\n%s\n", buf);

	close(socket_descriptor);
}