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Make Socket and Plug into structs.

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I think that means that _every_ one of my traitoids is now a struct
containing a vtable pointer as one of its fields (albeit sometimes the
only field), and never just a bare pointer.
This commit is contained in:
Simon Tatham
2018-10-05 07:24:16 +01:00
parent b798230844
commit 884a7df94b
20 changed files with 222 additions and 209 deletions
Download Patch File Download Diff File Expand all files Collapse all files

62
unix/uxnet.c
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@ -89,7 +89,7 @@ struct NetSocket {
*/
NetSocket *parent, *child;
const SocketVtable *sockvt;
Socket sock;
};
struct SockAddr {
@ -484,7 +484,7 @@ SockAddr *sk_addr_dup(SockAddr *addr)
static Plug *sk_net_plug(Socket *sock, Plug *p)
{
NetSocket *s = FROMFIELD(sock, NetSocket, sockvt);
NetSocket *s = FROMFIELD(sock, NetSocket, sock);
Plug *ret = s->plug;
if (p)
s->plug = p;
@ -528,7 +528,7 @@ static Socket *sk_net_accept(accept_ctx_t ctx, Plug *plug)
* Create NetSocket structure.
*/
ret = snew(NetSocket);
ret->sockvt = &NetSocket_sockvt;
ret->sock.vt = &NetSocket_sockvt;
ret->error = NULL;
ret->plug = plug;
bufchain_init(&ret->output_data);
@ -549,7 +549,7 @@ static Socket *sk_net_accept(accept_ctx_t ctx, Plug *plug)
if (ret->s < 0) {
ret->error = strerror(errno);
return &ret->sockvt;
return &ret->sock;
}
ret->oobinline = 0;
@ -557,7 +557,7 @@ static Socket *sk_net_accept(accept_ctx_t ctx, Plug *plug)
uxsel_tell(ret);
add234(sktree, ret);
return &ret->sockvt;
return &ret->sock;
}
static int try_connect(NetSocket *sock)
@ -769,7 +769,7 @@ Socket *sk_new(SockAddr *addr, int port, int privport, int oobinline,
* Create NetSocket structure.
*/
ret = snew(NetSocket);
ret->sockvt = &NetSocket_sockvt;
ret->sock.vt = &NetSocket_sockvt;
ret->error = NULL;
ret->plug = plug;
bufchain_init(&ret->output_data);
@ -801,7 +801,7 @@ Socket *sk_new(SockAddr *addr, int port, int privport, int oobinline,
if (err)
ret->error = strerror(err);
return &ret->sockvt;
return &ret->sock;
}
Socket *sk_newlistener(const char *srcaddr, int port, Plug *plug,
@ -824,7 +824,7 @@ Socket *sk_newlistener(const char *srcaddr, int port, Plug *plug,
* Create NetSocket structure.
*/
ret = snew(NetSocket);
ret->sockvt = &NetSocket_sockvt;
ret->sock.vt = &NetSocket_sockvt;
ret->error = NULL;
ret->plug = plug;
bufchain_init(&ret->output_data);
@ -875,7 +875,7 @@ Socket *sk_newlistener(const char *srcaddr, int port, Plug *plug,
if (s < 0) {
ret->error = strerror(errno);
return &ret->sockvt;
return &ret->sock;
}
cloexec(s);
@ -886,7 +886,7 @@ Socket *sk_newlistener(const char *srcaddr, int port, Plug *plug,
(const char *)&on, sizeof(on)) < 0) {
ret->error = strerror(errno);
close(s);
return &ret->sockvt;
return &ret->sock;
}
retcode = -1;
@ -964,13 +964,13 @@ Socket *sk_newlistener(const char *srcaddr, int port, Plug *plug,
if (retcode < 0) {
close(s);
ret->error = strerror(errno);
return &ret->sockvt;
return &ret->sock;
}
if (listen(s, SOMAXCONN) < 0) {
close(s);
ret->error = strerror(errno);
return &ret->sockvt;
return &ret->sock;
}
#ifndef NO_IPV6
@ -984,7 +984,7 @@ Socket *sk_newlistener(const char *srcaddr, int port, Plug *plug,
other = FROMFIELD(
sk_newlistener(srcaddr, port, plug,
local_host_only, ADDRTYPE_IPV4),
NetSocket, sockvt);
NetSocket, sock);
if (other) {
if (!other->error) {
@ -995,7 +995,7 @@ Socket *sk_newlistener(const char *srcaddr, int port, Plug *plug,
* as IPv6, we must return an error overall. */
close(s);
sfree(ret);
return &other->sockvt;
return &other->sock;
}
}
}
@ -1006,15 +1006,15 @@ Socket *sk_newlistener(const char *srcaddr, int port, Plug *plug,
uxsel_tell(ret);
add234(sktree, ret);
return &ret->sockvt;
return &ret->sock;
}
static void sk_net_close(Socket *sock)
{
NetSocket *s = FROMFIELD(sock, NetSocket, sockvt);
NetSocket *s = FROMFIELD(sock, NetSocket, sock);
if (s->child)
sk_net_close(&s->child->sockvt);
sk_net_close(&s->child->sock);
del234(sktree, s);
if (s->s >= 0) {
@ -1038,9 +1038,9 @@ void *sk_getxdmdata(Socket *sock, int *lenp)
* We must check that this socket really _is_ a NetSocket before
* downcasting it.
*/
if (*sock != &NetSocket_sockvt)
if (sock->vt != &NetSocket_sockvt)
return NULL; /* failure */
s = FROMFIELD(sock, NetSocket, sockvt);
s = FROMFIELD(sock, NetSocket, sock);
addrlen = sizeof(u);
if (getsockname(s->s, &u.sa, &addrlen) < 0)
@ -1186,7 +1186,7 @@ void try_send(NetSocket *s)
static int sk_net_write(Socket *sock, const void *buf, int len)
{
NetSocket *s = FROMFIELD(sock, NetSocket, sockvt);
NetSocket *s = FROMFIELD(sock, NetSocket, sock);
assert(s->outgoingeof == EOF_NO);
@ -1212,7 +1212,7 @@ static int sk_net_write(Socket *sock, const void *buf, int len)
static int sk_net_write_oob(Socket *sock, const void *buf, int len)
{
NetSocket *s = FROMFIELD(sock, NetSocket, sockvt);
NetSocket *s = FROMFIELD(sock, NetSocket, sock);
assert(s->outgoingeof == EOF_NO);
@ -1241,7 +1241,7 @@ static int sk_net_write_oob(Socket *sock, const void *buf, int len)
static void sk_net_write_eof(Socket *sock)
{
NetSocket *s = FROMFIELD(sock, NetSocket, sockvt);
NetSocket *s = FROMFIELD(sock, NetSocket, sock);
assert(s->outgoingeof == EOF_NO);
@ -1468,13 +1468,13 @@ const char *sk_addr_error(SockAddr *addr)
}
static const char *sk_net_socket_error(Socket *sock)
{
NetSocket *s = FROMFIELD(sock, NetSocket, sockvt);
NetSocket *s = FROMFIELD(sock, NetSocket, sock);
return s->error;
}
static void sk_net_set_frozen(Socket *sock, int is_frozen)
{
NetSocket *s = FROMFIELD(sock, NetSocket, sockvt);
NetSocket *s = FROMFIELD(sock, NetSocket, sock);
if (s->frozen == is_frozen)
return;
s->frozen = is_frozen;
@ -1483,7 +1483,7 @@ static void sk_net_set_frozen(Socket *sock, int is_frozen)
static char *sk_net_peer_info(Socket *sock)
{
NetSocket *s = FROMFIELD(sock, NetSocket, sockvt);
NetSocket *s = FROMFIELD(sock, NetSocket, sock);
union sockaddr_union addr;
socklen_t addrlen = sizeof(addr);
#ifndef NO_IPV6
@ -1644,7 +1644,7 @@ Socket *new_unix_listener(SockAddr *listenaddr, Plug *plug)
* Create NetSocket structure.
*/
ret = snew(NetSocket);
ret->sockvt = &NetSocket_sockvt;
ret->sock.vt = &NetSocket_sockvt;
ret->error = NULL;
ret->plug = plug;
bufchain_init(&ret->output_data);
@ -1669,7 +1669,7 @@ Socket *new_unix_listener(SockAddr *listenaddr, Plug *plug)
s = socket(AF_UNIX, SOCK_STREAM, 0);
if (s < 0) {
ret->error = strerror(errno);
return &ret->sockvt;
return &ret->sock;
}
cloexec(s);
@ -1692,20 +1692,20 @@ Socket *new_unix_listener(SockAddr *listenaddr, Plug *plug)
if (unlink(u.su.sun_path) < 0 && errno != ENOENT) {
close(s);
ret->error = strerror(errno);
return &ret->sockvt;
return &ret->sock;
}
retcode = bind(s, &addr->sa, addrlen);
if (retcode < 0) {
close(s);
ret->error = strerror(errno);
return &ret->sockvt;
return &ret->sock;
}
if (listen(s, SOMAXCONN) < 0) {
close(s);
ret->error = strerror(errno);
return &ret->sockvt;
return &ret->sock;
}
ret->s = s;
@ -1713,5 +1713,5 @@ Socket *new_unix_listener(SockAddr *listenaddr, Plug *plug)
uxsel_tell(ret);
add234(sktree, ret);
return &ret->sockvt;
return &ret->sock;
}