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qapi: Convert simple union SocketAddressLegacy to flat one

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Simple unions predate flat unions.  Having both complicates the QAPI
schema language and the QAPI generator.  We haven't been using simple
unions in new code for a long time, because they are less flexible and
somewhat awkward on the wire.

To prepare for their removal, convert simple union SocketAddressLegacy
to an equivalent flat one, with existing enum SocketAddressType
replacing implicit enum type SocketAddressLegacyKind.  Adds some
boilerplate to the schema, which is a bit ugly, but a lot easier to
maintain than the simple union feature.

Cc: "Daniel P. Berrangé" <berrange@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210917143134.412106-9-armbru@redhat.com>
This commit is contained in:
Markus Armbruster
2021-09-17 16:31:19 +02:00
parent 3218c0e91c
commit 935a867c87
5 changed files with 51 additions and 19 deletions
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chardev/char-socket.c
+3 -3
View File
@@ -1520,7 +1520,7 @@ static void qemu_chr_parse_socket(QemuOpts *opts, ChardevBackend *backend,
addr = g_new0(SocketAddressLegacy, 1);
if (path) {
UnixSocketAddress *q_unix;
addr->type = SOCKET_ADDRESS_LEGACY_KIND_UNIX;
addr->type = SOCKET_ADDRESS_TYPE_UNIX;
q_unix = addr->u.q_unix.data = g_new0(UnixSocketAddress, 1);
q_unix->path = g_strdup(path);
#ifdef CONFIG_LINUX
@@ -1530,7 +1530,7 @@ static void qemu_chr_parse_socket(QemuOpts *opts, ChardevBackend *backend,
q_unix->abstract = abstract;
#endif
} else if (host) {
addr->type = SOCKET_ADDRESS_LEGACY_KIND_INET;
addr->type = SOCKET_ADDRESS_TYPE_INET;
addr->u.inet.data = g_new(InetSocketAddress, 1);
*addr->u.inet.data = (InetSocketAddress) {
.host = g_strdup(host),
@@ -1543,7 +1543,7 @@ static void qemu_chr_parse_socket(QemuOpts *opts, ChardevBackend *backend,
.ipv6 = qemu_opt_get_bool(opts, "ipv6", 0),
};
} else if (fd) {
addr->type = SOCKET_ADDRESS_LEGACY_KIND_FD;
addr->type = SOCKET_ADDRESS_TYPE_FD;
addr->u.fd.data = g_new(String, 1);
addr->u.fd.data->str = g_strdup(fd);
} else {
chardev/char-udp.c
+2 -2
View File
@@ -165,7 +165,7 @@ static void qemu_chr_parse_udp(QemuOpts *opts, ChardevBackend *backend,
qemu_chr_parse_common(opts, qapi_ChardevUdp_base(udp));
addr = g_new0(SocketAddressLegacy, 1);
addr->type = SOCKET_ADDRESS_LEGACY_KIND_INET;
addr->type = SOCKET_ADDRESS_TYPE_INET;
addr->u.inet.data = g_new(InetSocketAddress, 1);
*addr->u.inet.data = (InetSocketAddress) {
.host = g_strdup(host),
@@ -180,7 +180,7 @@ static void qemu_chr_parse_udp(QemuOpts *opts, ChardevBackend *backend,
if (has_local) {
udp->has_local = true;
addr = g_new0(SocketAddressLegacy, 1);
addr->type = SOCKET_ADDRESS_LEGACY_KIND_INET;
addr->type = SOCKET_ADDRESS_TYPE_INET;
addr->u.inet.data = g_new(InetSocketAddress, 1);
*addr->u.inet.data = (InetSocketAddress) {
.host = g_strdup(localaddr),