hmp: Use qapi_enum_parse() in hmp_migrate_set_parameter()

The error message on invalid parameter name changes from

    Invalid parameter "NAME"

to

    invalid parameter value: NAME

Slight degratation, perhaps.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170822132255.23945-10-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Rebased, assertion added, commit message rewritten]
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1503564371-26090-7-git-send-email-armbru@redhat.com>
This commit is contained in:
Marc-André Lureau 2017-08-24 10:46:01 +02:00 committed by Markus Armbruster
parent 8e615e34f9
commit 262517b7e0

138
hmp.c
View File

@ -1556,84 +1556,82 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict)
MigrateSetParameters *p = g_new0(MigrateSetParameters, 1);
uint64_t valuebw = 0;
Error *err = NULL;
int i, ret;
int val, ret;
for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) {
if (strcmp(param, MigrationParameter_lookup[i]) == 0) {
switch (i) {
case MIGRATION_PARAMETER_COMPRESS_LEVEL:
p->has_compress_level = true;
visit_type_int(v, param, &p->compress_level, &err);
break;
case MIGRATION_PARAMETER_COMPRESS_THREADS:
p->has_compress_threads = true;
visit_type_int(v, param, &p->compress_threads, &err);
break;
case MIGRATION_PARAMETER_DECOMPRESS_THREADS:
p->has_decompress_threads = true;
visit_type_int(v, param, &p->decompress_threads, &err);
break;
case MIGRATION_PARAMETER_CPU_THROTTLE_INITIAL:
p->has_cpu_throttle_initial = true;
visit_type_int(v, param, &p->cpu_throttle_initial, &err);
break;
case MIGRATION_PARAMETER_CPU_THROTTLE_INCREMENT:
p->has_cpu_throttle_increment = true;
visit_type_int(v, param, &p->cpu_throttle_increment, &err);
break;
case MIGRATION_PARAMETER_TLS_CREDS:
p->has_tls_creds = true;
p->tls_creds = g_new0(StrOrNull, 1);
p->tls_creds->type = QTYPE_QSTRING;
visit_type_str(v, param, &p->tls_creds->u.s, &err);
break;
case MIGRATION_PARAMETER_TLS_HOSTNAME:
p->has_tls_hostname = true;
p->tls_hostname = g_new0(StrOrNull, 1);
p->tls_hostname->type = QTYPE_QSTRING;
visit_type_str(v, param, &p->tls_hostname->u.s, &err);
break;
case MIGRATION_PARAMETER_MAX_BANDWIDTH:
p->has_max_bandwidth = true;
/*
* Can't use visit_type_size() here, because it
* defaults to Bytes rather than Mebibytes.
*/
ret = qemu_strtosz_MiB(valuestr, NULL, &valuebw);
if (ret < 0 || valuebw > INT64_MAX
|| (size_t)valuebw != valuebw) {
error_setg(&err, "Invalid size %s", valuestr);
break;
}
p->max_bandwidth = valuebw;
break;
case MIGRATION_PARAMETER_DOWNTIME_LIMIT:
p->has_downtime_limit = true;
visit_type_int(v, param, &p->downtime_limit, &err);
break;
case MIGRATION_PARAMETER_X_CHECKPOINT_DELAY:
p->has_x_checkpoint_delay = true;
visit_type_int(v, param, &p->x_checkpoint_delay, &err);
break;
case MIGRATION_PARAMETER_BLOCK_INCREMENTAL:
p->has_block_incremental = true;
visit_type_bool(v, param, &p->block_incremental, &err);
break;
}
val = qapi_enum_parse(MigrationParameter_lookup, param, -1, &err);
if (val < 0) {
goto cleanup;
}
if (err) {
goto cleanup;
}
qmp_migrate_set_parameters(p, &err);
switch (val) {
case MIGRATION_PARAMETER_COMPRESS_LEVEL:
p->has_compress_level = true;
visit_type_int(v, param, &p->compress_level, &err);
break;
case MIGRATION_PARAMETER_COMPRESS_THREADS:
p->has_compress_threads = true;
visit_type_int(v, param, &p->compress_threads, &err);
break;
case MIGRATION_PARAMETER_DECOMPRESS_THREADS:
p->has_decompress_threads = true;
visit_type_int(v, param, &p->decompress_threads, &err);
break;
case MIGRATION_PARAMETER_CPU_THROTTLE_INITIAL:
p->has_cpu_throttle_initial = true;
visit_type_int(v, param, &p->cpu_throttle_initial, &err);
break;
case MIGRATION_PARAMETER_CPU_THROTTLE_INCREMENT:
p->has_cpu_throttle_increment = true;
visit_type_int(v, param, &p->cpu_throttle_increment, &err);
break;
case MIGRATION_PARAMETER_TLS_CREDS:
p->has_tls_creds = true;
p->tls_creds = g_new0(StrOrNull, 1);
p->tls_creds->type = QTYPE_QSTRING;
visit_type_str(v, param, &p->tls_creds->u.s, &err);
break;
case MIGRATION_PARAMETER_TLS_HOSTNAME:
p->has_tls_hostname = true;
p->tls_hostname = g_new0(StrOrNull, 1);
p->tls_hostname->type = QTYPE_QSTRING;
visit_type_str(v, param, &p->tls_hostname->u.s, &err);
break;
case MIGRATION_PARAMETER_MAX_BANDWIDTH:
p->has_max_bandwidth = true;
/*
* Can't use visit_type_size() here, because it
* defaults to Bytes rather than Mebibytes.
*/
ret = qemu_strtosz_MiB(valuestr, NULL, &valuebw);
if (ret < 0 || valuebw > INT64_MAX
|| (size_t)valuebw != valuebw) {
error_setg(&err, "Invalid size %s", valuestr);
break;
}
p->max_bandwidth = valuebw;
break;
case MIGRATION_PARAMETER_DOWNTIME_LIMIT:
p->has_downtime_limit = true;
visit_type_int(v, param, &p->downtime_limit, &err);
break;
case MIGRATION_PARAMETER_X_CHECKPOINT_DELAY:
p->has_x_checkpoint_delay = true;
visit_type_int(v, param, &p->x_checkpoint_delay, &err);
break;
case MIGRATION_PARAMETER_BLOCK_INCREMENTAL:
p->has_block_incremental = true;
visit_type_bool(v, param, &p->block_incremental, &err);
break;
default:
assert(0);
}
if (i == MIGRATION_PARAMETER__MAX) {
error_setg(&err, QERR_INVALID_PARAMETER, param);
if (err) {
goto cleanup;
}
qmp_migrate_set_parameters(p, &err);
cleanup:
qapi_free_MigrateSetParameters(p);
visit_free(v);