void
fetchtask(void *v)
{
int fd, n;
char buf[512];
struct timeval stTv;
//fprintf(stderr, "starting...\n");
for(;;){
if((fd = netdial(TCP, server, 80)) < 0){
fprintf(stderr, "dial %s: %s (%s)\n", server, strerror(errno), taskgetstate());
continue;
}
stTv.tv_sec = 60;
stTv.tv_usec = 0;
setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, (const char*)&stTv, sizeof(stTv));
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)
;
if (n < 0)
{
fail++;
}else{
sucess++;
}
close(fd);
}
}
void
fetchtask(ltctx *lt, void *v)
{
int fd, n;
char buf[512];
fprintf(stderr, "starting...\n");
for(;;) {
if((fd = netdial(lt, TCP, server, 80)) < 0) {
fprintf(stderr, "dial %s: %s (%s)\n", server, strerror(errno), taskgetstate(lt));
continue;
}
snprintf(buf, sizeof buf, "GET %s HTTP/1.0\r\nHost: %s\r\n\r\n", url, server);
fdwrite(lt, fd, buf, strlen(buf));
while((n = fdread(lt, fd, buf, sizeof buf)) > 0)
;
close(fd);
write(1, ".", 1);
}
}
void fetchtask(void *v)
{
int fd, n;
char buf[512];
fprintf(stderr, "starting...\n");
for (; ;) {
if ((fd = netdial(TCP, server, 80)) < 0) { // 异步连接服务器, 会造成协程切换
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)); // 异步数据读写, 这里可能会造成协程切换, 因为一定有阻塞操作
while ((n = fdread(&fd, buf, sizeof buf)) > 0) { // 异步读取
buf[n] = '\0';
printf("buf:%s", buf);
}
close(fd);
write(1, ".", 1);
}
}