static int8_t on_post_keys_response(int8_t cid, uint16_t status_code, GSwifi::GSREQUESTSTATE state) {
    HTTPLOG_PRINT(P("< P /k ")); HTTPLOG_PRINTLN(status_code);

    if (status_code != 200) {
        gs.bufferClear();
    }

    if (state != GSwifi::GSREQUESTSTATE_RECEIVED) {
        return 0;
    }

    gs.writeHead( post_keys_cid, status_code );

    switch (status_code) {
    case 200:
        while (! gs.bufferEmpty()) {
            char letter = gs.bufferGet();
            gs.write( letter );
        }
        gs.writeEnd();
        break;
    default:
        gs.writeEnd();
        break;
    }

    ring_put( &commands, COMMAND_CLOSE );
    ring_put( &commands, cid );
    ring_put( &commands, COMMAND_CLOSE );
    if (ring_isfull( &commands )) {
        HTTPLOG_PRINTLN("!E8");
        return -1;
    }
    ring_put( &commands, post_keys_cid );

    return 0;
}
static int8_t on_get_messages_request(int8_t cid, GSwifi::GSREQUESTSTATE state) {
    if (state != GSwifi::GSREQUESTSTATE_RECEIVED) {
        return -1;
    }

    gs.writeHead(cid, 200);

    if ( (IrCtrl.len <= 0) ||
         (IrCtrl.state != IR_RECVED_IDLE) ) {
        // if no data
        gs.writeEnd();
        ring_put( &commands, COMMAND_CLOSE );
        ring_put( &commands, cid );
        return 0;
    }

    IR_state( IR_READING );

    gs.write("{\"format\":\"raw\",\"freq\":"); // format fixed to "raw" for now
    gs.write(IrCtrl.freq);
    gs.write(",\"data\":[");
    for (uint16_t i=0; i<IrCtrl.len; i++) {
        gs.write( IR_get() );
        if (i != IrCtrl.len - 1) {
            gs.write(",");
        }
    }
    gs.write("]}");
    gs.writeEnd();
    ring_put( &commands, COMMAND_CLOSE );
    ring_put( &commands, cid );

    IR_state( IR_IDLE );

#ifdef USE_INTERNET
    TIMER_START( suspend_polling_timer, SUSPEND_GET_MESSAGES_INTERVAL );
#endif

    return 0;
}