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#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <task.h>
#include <stdlib.h>
enum
{
STACK = 32768
};
char *server;
char *url;
void fetchtask(void*);
void
taskmain(int argc, char **argv)
{
int i, n;
if(argc != 4){
fprintf(stderr, "usage: httpload n server url\n");
taskexitall(1);
}
n = atoi(argv[1]);
server = argv[2];
url = argv[3];
for(i=0; i<n; i++){
taskcreate(fetchtask, 0, STACK);
while(taskyield() > 1)
;
sleep(1);
}
}
void
fetchtask(void *v)
{
int fd, n;
char buf[512];
fprintf(stderr, "starting...\n");
for(;;){
if((fd = netdial(TCP, server, 80)) < 0){
fprintf(stderr, "dial %s: %s (%s)\n", server, strerror(errno), taskgetstate());
continue;
}
snprintf(buf, sizeof buf, "GET %s HTTP/1.0\r\nHost: %s\r\n\r\n", url, server);
fdwrite(fd, buf, strlen(buf));
while((n = fdread(fd, buf, sizeof buf)) > 0)
;
close(fd);
write(1, ".", 1);
}
}
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