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#include <libtf/tf.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <arpa/inet.h>
struct ctx {
char *hostname;
};
static void ping_fiber(void *ptr)
{
struct ctx *ctx = (struct ctx*) ptr;
struct tf_sockaddr host;
struct tf_fd fd;
char buf[128];
int bytes = 0, r;
const char *req = "GET / HTTP/1.0\r\n\r\n";
printf("Lookup %s\n", ctx->hostname);
host.u.in.sin_family = AF_INET;
host.u.in.sin_addr.s_addr = inet_addr(ctx->hostname);
host.u.in.sin_port = htons(80);
r = tf_socket(&fd, AF_INET, SOCK_STREAM, 0);
if (r < 0)
goto err;
r = tf_timed(tf_connect(&fd, &host), 10000);
if (r < 0)
goto err_close;
r = tf_write_fully(&fd, req, strlen(req));
if (r < 0)
goto err_close;
while ((r = tf_read(&fd, buf, sizeof(buf))) > 0)
bytes += r;
err_close:
tf_close(&fd);
err:
printf("Host: %s, received %d bytes (r=%d, %s)\n",
ctx->hostname, bytes, -r, strerror(-r));
}
int main(int argc, char **argv)
{
struct ctx *c;
int i;
tf_scheduler_enable(NULL);
for (i = 1; i < argc; i++) {
c = tf_fiber_create(ping_fiber, sizeof(struct ctx));
c->hostname = argv[i];
tf_fiber_put(c);
}
tf_scheduler_disable();
}
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