i working to develop reliable and fast connection with gateway via sockets in TCP mode but i m not able to send more than one message.
Bellow script used and attache wireshark trace.
could you help me for debbuging?
Code: Select all
import socket
import time
# Adresse du serveur
SERVER_IP = '165.100.10.100'
SERVER_PORT = 50002
# Construction avec struct
# a CAN Frame ID= 0x000C1234,Type=ext ,Length=8,Data= 8F 8E B8 0C 00 00 00 00
# See Developer Doku for Data Structure
# 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
msg_list = [0x00, 0x24, 0x00, 0x80, 0x9d, 0x7c, 0x3c,0xd5,0xf0,0x73,0xae,0x00,0x35,0xba,0x5e,0xf3,0x00,0x05,0x40,0x50,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x0D,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]
# Transform
nachricht = bytes(msg_list)
# Envoi de la trame via TCP
try:
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
print(f"Connexion à {SERVER_IP}:{SERVER_PORT}...")
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE , 1)
sock.connect((SERVER_IP, SERVER_PORT))
print("Connexion établie. Envoi de la trame...")
for i in [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]:
number_sent = sock.send(nachricht)
if number_sent == 0:
print("socket connection broken")
sock.settimeout(1.0) # 1 seconde max d’attente
try:
ack = sock.recv(1)
except socket.timeout:
pass # pas de réponse, mais on continue
print("No ack received.")
time.sleep(0.05)
time.sleep(10)
print("Trame envoyée avec succès.")
except Exception as e:
print(f"Erreur lors de l'envoi : {e}")
