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Re: [Qemu-devel] [PATCH v2 09/54] hmp: use qapi_enum_parse() in hmp_migr
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PATCH v2 09/54] hmp: use qapi_enum_parse() in hmp_migrate_set_parameter |
Date: |
Wed, 23 Aug 2017 11:43:11 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) |
Marc-André Lureau <address@hidden> writes:
> Signed-off-by: Marc-André Lureau <address@hidden>
> ---
> hmp.c | 139
> ++++++++++++++++++++++++++++++++----------------------------------
> 1 file changed, 68 insertions(+), 71 deletions(-)
>
> diff --git a/hmp.c b/hmp.c
> index 4ba50e8e26..ccc58e6d88 100644
> --- a/hmp.c
> +++ b/hmp.c
> @@ -1574,84 +1574,81 @@ 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;
> -
> - 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;
> - }
> + int val, ret;
>
> - if (err) {
> - goto cleanup;
> - }
> -
> - qmp_migrate_set_parameters(p, &err);
> + val = qapi_enum_parse(MigrationParameter_lookup, param,
> + MIGRATION_PARAMETER__MAX, -1, &err);
> + if (val < 0) {
> + goto cleanup;
> + }
> +
> + 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;
> }
>
> - 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);
Easier to review with space change ignored:
diff --git a/hmp.c b/hmp.c
index 4ba50e8..ccc58e6 100644
--- a/hmp.c
+++ b/hmp.c
@@ -1574,11 +1574,15 @@
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) {
+ val = qapi_enum_parse(MigrationParameter_lookup, param,
+ MIGRATION_PARAMETER__MAX, -1, &err);
+ if (val < 0) {
+ goto cleanup;
+ }
+
+ switch (val) {
case MIGRATION_PARAMETER_COMPRESS_LEVEL:
p->has_compress_level = true;
visit_type_int(v, param, &p->compress_level, &err);
@@ -1644,13 +1648,6 @@
}
qmp_migrate_set_parameters(p, &err);
- break;
- }
- }
-
- if (i == MIGRATION_PARAMETER__MAX) {
- error_setg(&err, QERR_INVALID_PARAMETER, param);
- }
cleanup:
qapi_free_MigrateSetParameters(p);
--
2.7.5
Looks good, although a default: abort() wouldn't hurt.
Reviewed-by: Markus Armbruster <address@hidden>
[Qemu-devel] [PATCH v2 25/54] qapi-visit: add #if conditions to visitors, Marc-André Lureau, 2017/08/22
[Qemu-devel] [PATCH v2 48/54] tests/qmp-test: add query-qmp-schema test, Marc-André Lureau, 2017/08/22
[Qemu-devel] [PATCH v2 09/54] hmp: use qapi_enum_parse() in hmp_migrate_set_parameter, Marc-André Lureau, 2017/08/22
- Re: [Qemu-devel] [PATCH v2 09/54] hmp: use qapi_enum_parse() in hmp_migrate_set_parameter,
Markus Armbruster <=
[Qemu-devel] [PATCH v2 22/54] qapi-introspect: add preprocessor conditions to generated QLit, Marc-André Lureau, 2017/08/22
[Qemu-devel] [PATCH v2 13/54] qapi: drop the sentinel in enum array, Marc-André Lureau, 2017/08/22
[Qemu-devel] [PATCH v2 06/54] qapi: introduce qapi_enum_lookup(), Marc-André Lureau, 2017/08/22
[Qemu-devel] [PATCH v2 12/54] qapi: change enum lookup structure, Marc-André Lureau, 2017/08/22