NetSock_OptSet
Set the specified socket option to the sock_id socket.
Files
net_sock.h/net_sock.c
Prototype
NET_SOCK_RTN_CODE_ID NetSock_OptSet(NET_SOCK_ID sock_id,
NET_SOCK_PROTOCOL level,
NET_SOCK_OPT_NAME opt_name,
void *p_opt_val,
NET_SOCK_OPT_LEN opt_len,
NET_ERR *p_err);
Arguments
sock_id
This is the socket ID returned by NetSock_Open()/socket() when the socket was created or by NetSock_Accept()/accept() when a connection was accepted.
level
Protocol level from which to set the socket option.
opt_name
Name of the option to set.
p_opt_val
Pointer to the value to set the socket option.
opt_len
Option length.
p_err
Pointer to variable that will receive the return error code from this function:
NET_SOCK_ERR_NONENET_SOCK_ERR_INVALID_DATA_SIZENET_SOCK_ERR_NULL_PTRNET_SOCK_ERR_INVALID_OPT
Returned Value
NET_SOCK_BSD_ERR_NONE/0, if successful;
NET_SOCK_BSD_ERR_OPT_SET/-1, otherwise.
Required Configuration
None.
Notes / Warnings
The supported options are:
- Protocol level
NET_SOCK_PROTOCOL_SO:NET_SOCK_OPT_SOCK_KEEP_ALIVENET_SOCK_OPT_SOCK_TX_BUF_SIZE / NET_SOCK_OPT_SOCK_RX_BUF_SIZENET_SOCK_OPT_SOCK_TX_TIMEOUT / NET_SOCK_OPT_SOCK_RX_TIMEOUT
- Protocol level
NET_SOCK_PROTOCOL_IP:NET_SOCK_OPT_IP_TOSNET_SOCK_OPT_IP_TTL
- Protocol level
NET_SOCK_PROTOCOL_TCP:NET_SOCK_OPT_TCP_NO_DELAYNET_SOCK_OPT_TCP_KEEP_CNTNET_SOCK_OPT_TCP_KEEP_IDLENET_SOCK_OPT_TCP_KEEP_INTVL
This function must be called after either listen() (in the server case) or connect() (in the client case) have been called.