6-2SectionUsing Socket Services with Socket Service Request Switches
100
UDP Socket Close Request
Response
code
Meaning
0000 Normal end
0302 CPU Unit error; cannot execute.
2210 The specified socket is not open.
2211 Unit is busy; cannot execute.
2607 Specified Socket Service Parameter Area is already being used
for another socket.
TCP Socket Passive Open Request
Response
code
Meaning
0000 Normal end
0105 Local IP address setting error.
0302 CPU Unit error; cannot execute.
1100 TCP socket number is not 1 to 8 or local TCP port number is 0.
110C Request Switch turned ON during other processing.
220F Specified socket is already open or already processing an open
request.
2211 Unit is busy; cannot execute.
2606 Specified socket is already open as UDP socket; cannot open
TCP socket.
2607 Specified Socket Service Parameter Area is already being used
for another socket.
003E Internal buffer cannot be obtained due to high reception traffic
(ENOBUFS).
0042
(See note.)
The remote IP address is a broadcast address and the number of
bytes to send is greater than 1,472 bytes (EMSGSIZE).
0045 Error in communications with remote node (ECONNABORTED).
0049 The same TCP port number has been specified more than once
(EADDRINUSE).
004A
(See note.)
Error (ECONNREFUSED).
004B
(See note.)
Error in communications with remote node (ECONNRESET).
004E
(See note.)
Remote IP address parameter error (ENETUNREACH).
0051
(See note.)
Remote IP address parameter error (EHOSTUNREACH).
0053 Error in communications with remote node (ETIMEDOUT) or
remote node does not exist.
0066 Internal memory cannot be obtained; cannot execute.
0080 Open request timed out.
0081 The specified socket was closed during open processing.
0082 Connection could not be established with specified remote node.
Note These response codes will be returned only on large, multilevel networks.
TCP Socket Active Open Request
Response
code
Meaning
0000 Normal end
0105 Local IP address setting error.
0302 CPU Unit error; cannot execute.
1100 TCP socket number is not 1 to 8 or local TCP port number is 0.
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