diff options
author | Anton Nefedov <anton.nefedov@virtuozzo.com> | 2017-07-06 15:08:48 +0300 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-07-14 11:04:33 +0200 |
commit | 313e45b5fe45542602bfa801db7a13d485c29b04 (patch) | |
tree | a52bf6d27c84cae4a8223b8518716f6b6d0de2d9 /chardev | |
parent | bcdeb9be566ded2eb35233aaccf38742a21e5daa (diff) |
char: move QemuOpts->ChardevBackend translation to a separate func
parse function will be used by the following patch
Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
Message-Id: <1499342940-56739-2-git-send-email-anton.nefedov@virtuozzo.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'chardev')
-rw-r--r-- | chardev/char.c | 81 |
1 files changed, 51 insertions, 30 deletions
diff --git a/chardev/char.c b/chardev/char.c index 2b679a2295..839eff6afd 100644 --- a/chardev/char.c +++ b/chardev/char.c @@ -556,17 +556,23 @@ help_string_append(const char *name, void *opaque) g_string_append_printf(str, "\n%s", name); } -Chardev *qemu_chr_new_from_opts(QemuOpts *opts, - Error **errp) +static const char *chardev_alias_translate(const char *name) +{ + int i; + for (i = 0; i < (int)ARRAY_SIZE(chardev_alias_table); i++) { + if (g_strcmp0(chardev_alias_table[i].alias, name) == 0) { + return chardev_alias_table[i].typename; + } + } + return name; +} + +static ChardevBackend *qemu_chr_parse_opts(QemuOpts *opts, Error **errp) { Error *local_err = NULL; const ChardevClass *cc; - Chardev *chr; - int i; ChardevBackend *backend = NULL; - const char *name = qemu_opt_get(opts, "backend"); - const char *id = qemu_opts_id(opts); - char *bid = NULL; + const char *name = chardev_alias_translate(qemu_opt_get(opts, "backend")); if (name == NULL) { error_setg(errp, "chardev: \"%s\" missing backend", @@ -574,7 +580,40 @@ Chardev *qemu_chr_new_from_opts(QemuOpts *opts, return NULL; } - if (is_help_option(name)) { + cc = char_get_class(name, errp); + if (cc == NULL) { + return NULL; + } + + backend = g_new0(ChardevBackend, 1); + backend->type = CHARDEV_BACKEND_KIND_NULL; + + if (cc->parse) { + cc->parse(opts, backend, &local_err); + if (local_err) { + error_propagate(errp, local_err); + qapi_free_ChardevBackend(backend); + return NULL; + } + } else { + ChardevCommon *ccom = g_new0(ChardevCommon, 1); + qemu_chr_parse_common(opts, ccom); + backend->u.null.data = ccom; /* Any ChardevCommon member would work */ + } + + return backend; +} + +Chardev *qemu_chr_new_from_opts(QemuOpts *opts, Error **errp) +{ + const ChardevClass *cc; + Chardev *chr = NULL; + ChardevBackend *backend = NULL; + const char *name = chardev_alias_translate(qemu_opt_get(opts, "backend")); + const char *id = qemu_opts_id(opts); + char *bid = NULL; + + if (name && is_help_option(name)) { GString *str = g_string_new(""); chardev_name_foreach(help_string_append, str); @@ -589,38 +628,20 @@ Chardev *qemu_chr_new_from_opts(QemuOpts *opts, return NULL; } - for (i = 0; i < (int)ARRAY_SIZE(chardev_alias_table); i++) { - if (g_strcmp0(chardev_alias_table[i].alias, name) == 0) { - name = chardev_alias_table[i].typename; - break; - } + backend = qemu_chr_parse_opts(opts, errp); + if (backend == NULL) { + return NULL; } cc = char_get_class(name, errp); if (cc == NULL) { - return NULL; + goto out; } - backend = g_new0(ChardevBackend, 1); - backend->type = CHARDEV_BACKEND_KIND_NULL; - if (qemu_opt_get_bool(opts, "mux", 0)) { bid = g_strdup_printf("%s-base", id); } - chr = NULL; - if (cc->parse) { - cc->parse(opts, backend, &local_err); - if (local_err) { - error_propagate(errp, local_err); - goto out; - } - } else { - ChardevCommon *ccom = g_new0(ChardevCommon, 1); - qemu_chr_parse_common(opts, ccom); - backend->u.null.data = ccom; /* Any ChardevCommon member would work */ - } - chr = qemu_chardev_new(bid ? bid : id, object_class_get_name(OBJECT_CLASS(cc)), backend, errp); |