Denso BHT-BASIC 100 SERIES, Programmer'S Manual

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486
Syntax: CALL "SOCKET.FN3" .fcSSckOpt SOCKFD%, OPTNAME%,
option
where option is OPTION% or OPTION
Description: This function sets the specified option for the specified socket to the new
value.
BSD4.4 socket API equivalent: This function is equivalent to the BSD4.4
socket API setsockopt() function.
Parameters: SOCKFD% Socket identifier
OPTNAME% Option name
OPTION%/OPTION New setting for socket option of type integer/real
Return value: (None)
Correspondence tables:
*To be set in units of 100.
Run-time errors:
.fcSSckOpt
Set socket options
Option Number
(
OPTNAME%
)
Description Values for Option (
OPTION%
)
.soKepAliv 2
Keep-alive timer enable/disable
.soDisable 0
Disabled
.soEnable 1
Enabled
Option Number
(
OPTNAME%
)
Description
Values for Option
(
OPTION
)
Initial
values
.soSndBuff 8
Transmit buffer size (byte) 1 to 8192 8192
.soRcvBuff 9
Receive buffer size (byte) 1 to 8192 8192
.soMaxRT 26
Retry count 0 to 32 12
.soTIMEWAIT 29
Status retaining period after clos-
ing TCP socket (seconds) 0 to 60 60
.soRTODef 30
Initial round trip time (ms)* 100 to 3000 3000
.soRTOMin 31
Minimum round trip time (ms)* 100 to 1000 100
.soRTOMax 32
Maximum round trip time (ms)* 100 to 60000 60000
Error code Meaning
106h
An internal error has occurred in the TCP/IP module during data
transmission.
107h
The TCP/IP module has not been initiated.
108h
The memory for the TCP/IP module has became insufficient dur-
ing data transmission.
201h
Cannot set option after connection established
209h
Socket identifier is invalid.
216h
A parameter is invalid.