Microros client stops receiving data

Hey @pablogs9 ,
I am facing some sort of communication issue as follows....
**Problem Description:**
I am facing difficulties when attempting to run three ESP32 devices simultaneously, each connecting to a MicroROS agent and publishing twist data to three separate bots. Despite having a strong WiFi signal and utilizing the UDP4 protocol on different ports for each ESP32 device (port 8888 and others), we encounter a recurring problem. Initially, when each ESP32 device is started individually, communication runs smoothly. However, after a short period, all three ESP32 devices cease to receive data.

**Key Details:**
- WiFi Signal Strength: Strong
- Protocol: UDP4
- Port Configuration: Each ESP32 device uses a unique port for communication

**Efforts Made:**
- Ensured strong WiFi signal.
- Configured each ESP32 device to use a unique port for communication.
- Verified that communication functions correctly when bots are started individually.

**Code on each ESP32(changing the node and topic names as well as ports accordingly):**
#include
#include
#include
#include
#include
#include
#include
#include
#include // Include Bool message type

rcl_subscription_t subscriber_cmd_vel;
geometry_msgs__msg__Twist msg;
rcl_subscription_t subscriber_pen_down;
std_msgs__msg__Bool pen_msg;
rclc_executor_t executor;
rclc_support_t support;
rcl_allocator_t allocator;
rcl_node_t node;
rcl_timer_t timer;

Servo servo1;
Servo servo2;
Servo servo3;
Servo servo_pen;

#define servo1_pin 25
#define servo2_pin 26
#define servo3_pin 27
#define servo_pen_pin 19
#define LED_PIN LED_BUILTIN
#define RCCHECK(fn) { rcl_ret_t temp_rc = fn; if((temp_rc != RCL_RET_OK)){error_loop();}}
#define RCSOFTCHECK(fn) { rcl_ret_t temp_rc = fn; if((temp_rc != RCL_RET_OK)){}}

void error_loop(){
while(1){
digitalWrite(LED_PIN, !digitalRead(LED_PIN));
delay(100);
}
}

void cmd_vel_callback(const void * msgin)
{
const geometry_msgs__msg__Twist * msg = (const geometry_msgs__msg__Twist *)msgin;
// Your processing logic for Twist messages goes here
}

void pen_down_callback(const void * msgin)
{
const std_msgs__msg__Bool * pen_msg = (const std_msgs__msg__Bool *)msgin;
// Your processing logic for Bool messages goes here
}

void setup() {
set_microros_wifi_transports("wifi", "password", "192.168.**.**", 8888);
// set_microros_tcp_transports("192.168.65.44", 8892);
Serial.begin(9600);
servo1.attach(servo1_pin);
servo2.attach(servo2_pin);
servo3.attach(servo3_pin);
servo_pen.attach(servo_pen_pin);
pinMode(LED_PIN, OUTPUT);
digitalWrite(LED_PIN, HIGH);
delay(2000);

allocator = rcl_get_default_allocator();

RCCHECK(rclc_support_init(&support, 0, NULL, &allocator));
RCCHECK(rclc_node_init_default(&node, "subscriber_node_3", "", &support));

RCCHECK(rclc_subscription_init_default(
&subscriber_cmd_vel,
&node,
ROSIDL_GET_MSG_TYPE_SUPPORT(geometry_msgs, msg, Twist),
"/cmd_vel/bot3"));

RCCHECK(rclc_subscription_init_default(
&subscriber_pen_down,
&node,
ROSIDL_GET_MSG_TYPE_SUPPORT(std_msgs, msg, Bool),
"/pen3_down"));

RCCHECK(rclc_executor_init(&executor, &support.context, 2, &allocator));
RCCHECK(rclc_executor_add_subscription(&executor, &subscriber_cmd_vel, &msg, &cmd_vel_callback, ON_NEW_DATA));
RCCHECK(rclc_executor_add_subscription(&executor, &subscriber_pen_down, &pen_msg, &pen_down_callback, ON_NEW_DATA));
}

void loop() {
RCCHECK(rclc_executor_spin_some(&executor, RCL_MS_TO_NS(1)));

servo1.write(msg.linear.x + 90);
servo2.write(msg.linear.y + 90);
servo3.write(msg.linear.z + 90);
// Process msg_pen_down (bool) if needed
if (pen_msg.data) {
servo_pen.write(95);
} else {
servo_pen.write(90);
}
}

Bắt đầu bằng cách tái hiện thiết lập với ba thiết bị ESP32 bằng cách sử dụng set_microros_wifi_transports và các cổng UDP4 khác nhau. Kiểm tra thiết lập transport và vòng lặp rclc_executor_spin_some trong khi so sánh hành vi của một thiết bị với hành vi của ba thiết bị. Hoàn thành khi tất cả các thiết bị vẫn tiếp tục nhận dữ liệu mà chúng đã subscribe khi chạy đồng thời.

Do mô hình lập chỉ mục viết ra từ nội dung của issue.