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implement getsockopt for GameCube #105

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merged 2 commits into from
Jan 22, 2023
Merged

implement getsockopt for GameCube #105

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b831c03
implement getsockopt for GameCube
bendmorris Dec 1, 2020
0c9c658
return 1 or 0 for getsockopt flags
bendmorris Dec 2, 2020
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1 change: 1 addition & 0 deletions gc/network.h
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Original file line number Diff line number Diff line change
Expand Up @@ -276,6 +276,7 @@ s32 net_recvfrom(s32 s,void *mem,s32 len,u32 flags,struct sockaddr *from,socklen
s32 net_read(s32 s,void *mem,s32 len);
s32 net_close(s32 s);
s32 net_select(s32 maxfdp1,fd_set *readset,fd_set *writeset,fd_set *exceptset,struct timeval *timeout);
s32 net_getsockopt(s32 s,u32 level,u32 optname,const void *optval,socklen_t optlen);
s32 net_setsockopt(s32 s,u32 level,u32 optname,const void *optval,socklen_t optlen);
s32 net_ioctl(s32 s, u32 cmd, void *argp);
s32 net_fcntl(s32 s, u32 cmd, u32 flags);
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111 changes: 111 additions & 0 deletions lwip/network.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2116,6 +2116,117 @@ s32 net_select(s32 maxfdp1,fd_set *readset,fd_set *writeset,fd_set *exceptset,st
return nready;
}

s32 net_getsockopt(s32 s,u32 level,u32 optname,const void *optval,socklen_t optlen)
{
s32 err = 0;
struct netsocket *sock;

sock = get_socket(s);
if(sock==NULL) return -ENOTSOCK;
if(optval==NULL) return -EINVAL;

switch(level) {
case SOL_SOCKET:
{
switch(optname) {
case SO_ERROR:
case SO_BROADCAST:
case SO_KEEPALIVE:
case SO_REUSEADDR:
case SO_REUSEPORT:
if(optlen<sizeof(u32)) err = EINVAL;
break;
default:
LWIP_DEBUGF(SOCKETS_DEBUG, ("net_getsockopt(%d, SOL_SOCKET, UNIMPL: optname=0x%x, ..)\n", s, optname));
err = ENOPROTOOPT;
}
}
break;

case IPPROTO_IP:
{
switch(optname) {
case IP_TTL:
case IP_TOS:
if(optlen<sizeof(u32)) err = EINVAL;
break;
default:
LWIP_DEBUGF(SOCKETS_DEBUG, ("net_getsockopt(%d, IPPROTO_IP, UNIMPL: optname=0x%x, ..)\n", s, optname));
err = ENOPROTOOPT;
}
}
break;

case IPPROTO_TCP:
{
if(optlen<sizeof(u32)) {
err = EINVAL;
break;
}
if(sock->conn->type!=NETCONN_TCP) return 0;
switch(optname) {
case TCP_NODELAY:
case TCP_KEEPALIVE:
break;
default:
LWIP_DEBUGF(SOCKETS_DEBUG, ("net_getsockopt(%d, IPPROTO_TCP, UNIMPL: optname=0x%x, ..)\n", s, optname));
err = ENOPROTOOPT;
}
}
break;

default:
LWIP_DEBUGF(SOCKETS_DEBUG, ("net_getsockopt(%d, level=0x%x, UNIMPL: optname=0x%x, ..)\n", s, level, optname));
err = ENOPROTOOPT;
}
if(err) return -err;

switch(level) {
case SOL_SOCKET:
{
switch(optname) {
case SO_ERROR:
(*(u32*)optval) = sock->conn->err;
sock->conn->err = 0;
break;
case SO_BROADCAST:
case SO_KEEPALIVE:
case SO_REUSEADDR:
case SO_REUSEPORT:
(*(u32*)optval) = sock->conn->pcb.tcp->so_options & optname;
break;
}
}
break;

case IPPROTO_IP:
{
switch(optname) {
case IP_TTL:
(*(u32*)optval) = sock->conn->pcb.tcp->ttl;
break;
case IP_TOS:
(*(u32*)optval) = sock->conn->pcb.tcp->tos;
break;
}
}
break;

case IPPROTO_TCP:
{
switch(optname) {
case TCP_NODELAY:
(*(u32*)optval) = sock->conn->pcb.tcp->flags & TF_NODELAY;
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break;
case TCP_KEEPALIVE:
(*(u32*)optval) = sock->conn->pcb.tcp->keepalive;
break;
}
}
}
return 0;
}

s32 net_setsockopt(s32 s,u32 level,u32 optname,const void *optval,socklen_t optlen)
{
s32 err = 0;
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