[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v2 09/54] hmp: use qapi_enum_parse() in hmp_migr
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] [PATCH v2 09/54] hmp: use qapi_enum_parse() in hmp_migrate_set_parameter |
Date: |
Thu, 24 Aug 2017 14:16:04 +0100 |
User-agent: |
Mutt/1.8.3 (2017-05-23) |
* Markus Armbruster (address@hidden) wrote:
> 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>
Reviewed-by: Dr. David Alan Gilbert <address@hidden>
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
[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
[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