Tcp close request, 3-17 tcp close request – Omron CS1W-ETN21 User Manual
Page 205
180
Command/Response Reference
Section 7-3
Results Storage Area Response Codes
Note
These errors occur only in large multilayered networks.
7-3-17 TCP CLOSE REQUEST
Requests processing to close a TCP socket. Other processing being carried
out is forcibly ended and a code is recorded in the results storage area.
Command Block
Response Block
Results Storage Format
Parameters
Socket Option (Command)
The socket option specified as 1 byte. The setting is not valid for this com-
mand. Set to 0.
TCP Socket Number
(Command)
The TCP socket number to be closed specified as 1 byte between 1 and 8.
Response code
Description
0000
Normal
0020
Connection to the remote socket was broken during transmis-
sion (EPIPE).
003E
Internal buffer cannot be reserved due to high receive load
(ENOBUFS).
0042 (see note)
An error occurred (EMSGSIZE).
0044 (see note)
Received ICMP data (ENOPROTOOPT).
0045 (see note)
A communication error occurred with the remote node
(ECONNABORTED).
004B (see note)
A communication error occurred with the remote node
(ECONNRESET).
004E (see note)
A parameter error occurred at the remote IP address
(ENETUNREACH).
004F (see note)
Received ICMP data (EHOSTDOWN).
0051 (see note)
A parameter error occurred at the remote IP address
(EHOSTUNREACH).
0053 (see note)
A communication error occurred with the remote node
(ETIMEDOUT).
0081
The specified socket was closed during transmission.
Results storage area
Command
code
Socket option
TCP socket number
27 14
Response
code
Command
code
27 14
Response code