syscalls/send.c

61 lines
1.3 KiB
C

#include <arpa/inet.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <unistd.h>
#define MAX 80
#define PORT 8080
#define SA struct sockaddr
void func(int sockfd, int n, char *text)
{
char buff[MAX];
int i;
struct timeval stop, start;
gettimeofday(&start, NULL);
for (i = 0; i < n; i++) {
bzero(buff, sizeof(buff));
strcpy(buff,text);
send(sockfd, buff, sizeof(buff), 0);
}
strcpy(buff,"exit");
send(sockfd, buff, sizeof(buff), 0);
gettimeofday(&stop, NULL);
printf("send %d %s %luus\n", n, text, (stop.tv_sec - start.tv_sec) * 1000000 + stop.tv_usec - start.tv_usec);
}
int main(int argc, char ** argv)
{
int sockfd, connfd;
struct sockaddr_in servaddr, cli;
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd == -1) {
printf("socket creation failed...\n");
exit(0);
}
bzero(&servaddr, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = inet_addr("127.0.0.1");
servaddr.sin_port = htons(PORT);
if (connect(sockfd, (SA*)&servaddr, sizeof(servaddr)) != 0) {
printf("connection with the server failed...\n");
exit(0);
}
int n = atoi(argv[1]);
char *text = argv[2];
func(sockfd, n, text);
close(sockfd);
}