libtask/tcpload.c
David du Colombier 798c8c6df8 fix warnings reported by Coverity
fd.c:230 negative_returns: fd is passed to a parameter that cannot be negative.
net.c:65 check_return: Calling setsockopt(fd, 1, 2, (char *)&n, 4U) without checking return value.
net.c:77 check_return: Calling fdnoblock(fd) without checking return value.
net.c:112 check_return: Calling fdnoblock(cfd) without checking return value.
net.c:114 check_return: Calling setsockopt(cfd, IPPROTO_TCP, 1, (char *)&one, 4U) without checking return value.
net.c:144 leaked_storage: Variable result going out of scope leaks the storage it points to.
net.c:168 check_return: Calling fdnoblock(fd) without checking return value.
net.c:173 check_return: Calling setsockopt(fd, 1, 6, &n, 4U) without checking return value.
net.c:206 check_return: Calling getsockopt(fd, 1, 4, (void *)&n, &sn) without checking return value.
task.c:59 negative_returns: fd is passed to a parameter that cannot be negative.
tcpload.c:50 Calling fdread without checking return value (as is done elsewhere 4 out of 5 times).
tcpproxy.c:51 check_return: Calling fdnoblock(fd) without checking return value.
2015-06-24 23:16:58 +02:00

53 lines
784 B
C

#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <task.h>
#include <stdlib.h>
enum
{
STACK = 32768
};
char *server;
int port;
void fetchtask(void*);
void
taskmain(int argc, char **argv)
{
int i, n;
if(argc != 4){
fprintf(stderr, "usage: httpload n server port\n");
taskexitall(1);
}
n = atoi(argv[1]);
server = argv[2];
port = atoi(argv[3]);
for(i=0; i<n; i++)
taskcreate(fetchtask, 0, STACK);
}
void
fetchtask(void *v)
{
int fd, i;
char buf[512];
(void)v;
for(i=0; i<1000; i++){
if((fd = netdial(TCP, server, port)) < 0){
fprintf(stderr, "dial %s: %s (%s)\n", server, strerror(errno), taskgetstate());
continue;
}
snprintf(buf, sizeof buf, "xxxxxxxxxx");
fdwrite(fd, buf, strlen(buf));
close(fd);
}
}