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migration: introduce migrate_params_check() 

Helper to check the parameters. Abstracted from
qmp_migrate_set_parameters().

Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <1500349150-13240-5-git-send-email-peterx@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Peter Xu 2017-07-18 11:39:04 +08:00 committed by Juan Quintela
parent 2081475841
commit 16d063bc2a
1 changed files with 32 additions and 10 deletions
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42
migration/migration.c
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@ -644,64 +644,86 @@ void qmp_migrate_set_capabilities(MigrationCapabilityStatusList *params,
}
}
void qmp_migrate_set_parameters(MigrationParameters *params, Error **errp)
/*
* Check whether the parameters are valid. Error will be put into errp
* (if provided). Return true if valid, otherwise false.
*/
static bool migrate_params_check(MigrationParameters *params, Error **errp)
{
MigrationState *s = migrate_get_current();
if (params->has_compress_level &&
(params->compress_level < 0 || params->compress_level > 9)) {
error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "compress_level",
"is invalid, it should be in the range of 0 to 9");
return;
return false;
}
if (params->has_compress_threads &&
(params->compress_threads < 1 || params->compress_threads > 255)) {
error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
"compress_threads",
"is invalid, it should be in the range of 1 to 255");
return;
return false;
}
if (params->has_decompress_threads &&
(params->decompress_threads < 1 || params->decompress_threads > 255)) {
error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
"decompress_threads",
"is invalid, it should be in the range of 1 to 255");
return;
return false;
}
if (params->has_cpu_throttle_initial &&
(params->cpu_throttle_initial < 1 ||
params->cpu_throttle_initial > 99)) {
error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
"cpu_throttle_initial",
"an integer in the range of 1 to 99");
return;
return false;
}
if (params->has_cpu_throttle_increment &&
(params->cpu_throttle_increment < 1 ||
params->cpu_throttle_increment > 99)) {
error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
"cpu_throttle_increment",
"an integer in the range of 1 to 99");
return;
return false;
}
if (params->has_max_bandwidth &&
(params->max_bandwidth < 0 || params->max_bandwidth > SIZE_MAX)) {
error_setg(errp, "Parameter 'max_bandwidth' expects an integer in the"
" range of 0 to %zu bytes/second", SIZE_MAX);
return;
return false;
}
if (params->has_downtime_limit &&
(params->downtime_limit < 0 ||
params->downtime_limit > MAX_MIGRATE_DOWNTIME)) {
error_setg(errp, "Parameter 'downtime_limit' expects an integer in "
"the range of 0 to %d milliseconds",
MAX_MIGRATE_DOWNTIME);
return;
return false;
}
if (params->has_x_checkpoint_delay && (params->x_checkpoint_delay < 0)) {
error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
"x_checkpoint_delay",
"is invalid, it should be positive");
return false;
}
return true;
}
void qmp_migrate_set_parameters(MigrationParameters *params, Error **errp)
{
MigrationState *s = migrate_get_current();
if (!migrate_params_check(params, errp)) {
/* Invalid parameter */
return;
}
if (params->has_compress_level) {