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sockets: Limit SocketAddressLegacy to external interfaces

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SocketAddressLegacy is a simple union, and simple unions are awkward:
they have their variant members wrapped in a "data" object on the
wire, and require additional indirections in C.  SocketAddress is the
equivalent flat union.  Convert all users of SocketAddressLegacy to
SocketAddress, except for existing external interfaces.

See also commit fce5d53..9445673 and 85a82e8..c5f1ae3.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1493192202-3184-7-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[Minor editing accident fixed, commit message and a comment tweaked]

Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2017-04-26 09:36:41 +02:00
parent 62cf396b5d
commit bd269ebc82
24 changed files with 440 additions and 406 deletions
Download patch file Download diff file Expand all files Collapse all files

21
blockdev-nbd.c
View file

@ -99,9 +99,8 @@ static QCryptoTLSCreds *nbd_get_tls_creds(const char *id, Error **errp)
}
void qmp_nbd_server_start(SocketAddressLegacy *addr,
bool has_tls_creds, const char *tls_creds,
Error **errp)
void nbd_server_start(SocketAddress *addr, const char *tls_creds,
Error **errp)
{
if (nbd_server) {
error_setg(errp, "NBD server already running");
@ -118,14 +117,14 @@ void qmp_nbd_server_start(SocketAddressLegacy *addr,
goto error;
}
if (has_tls_creds) {
if (tls_creds) {
nbd_server->tlscreds = nbd_get_tls_creds(tls_creds, errp);
if (!nbd_server->tlscreds) {
goto error;
}
/* TODO SOCKET_ADDRESS_LEGACY_KIND_FD where fd has AF_INET or AF_INET6 */
if (addr->type != SOCKET_ADDRESS_LEGACY_KIND_INET) {
/* TODO SOCKET_ADDRESS_TYPE_FD where fd has AF_INET or AF_INET6 */
if (addr->type != SOCKET_ADDRESS_TYPE_INET) {
error_setg(errp, "TLS is only supported with IPv4/IPv6");
goto error;
}
@ -145,6 +144,16 @@ void qmp_nbd_server_start(SocketAddressLegacy *addr,
nbd_server = NULL;
}
void qmp_nbd_server_start(SocketAddressLegacy *addr,
bool has_tls_creds, const char *tls_creds,
Error **errp)
{
SocketAddress *addr_flat = socket_address_flatten(addr);
nbd_server_start(addr_flat, tls_creds, errp);
qapi_free_SocketAddress(addr_flat);
}
void qmp_nbd_server_add(const char *device, bool has_writable, bool writable,
Error **errp)
{