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authorKaushik BV <kaushikbv@gluster.com>2010-10-05 07:02:07 +0000
committerVijay Bellur <vijay@dev.gluster.com>2010-10-05 05:47:38 -0700
commit6b74f3ec7b6e0fed2e253df456b067fc27049117 (patch)
treea4f51f043b8d169bf1be46e7b482fca9f3d29d77 /xlators/performance/io-cache/src/io-cache.c
parent7aec50bdad06665243a16f1ce83a03037bcd5d56 (diff)
Reply back to CLI on error, by validating each xlator's opts
Signed-off-by: Kaushik BV <kaushikbv@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1159 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1159
Diffstat (limited to 'xlators/performance/io-cache/src/io-cache.c')
-rw-r--r--xlators/performance/io-cache/src/io-cache.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/xlators/performance/io-cache/src/io-cache.c b/xlators/performance/io-cache/src/io-cache.c
index e95b5cfd2..b094f97c4 100644
--- a/xlators/performance/io-cache/src/io-cache.c
+++ b/xlators/performance/io-cache/src/io-cache.c
@@ -1476,6 +1476,143 @@ mem_acct_init (xlator_t *this)
}
int
+validate_options (xlator_t *this, dict_t *options, char **op_errstr)
+{
+ int32_t cache_timeout;
+ int64_t min_file_size = 0;
+ int64_t max_file_size = 0;
+ char *tmp = NULL;
+ uint64_t cache_size;
+ char *cache_size_string = NULL;
+ int ret = 0;
+
+
+ if (dict_get (options, "cache-timeout")) {
+ cache_timeout = data_to_uint32 (dict_get (options,
+ "cache-timeout"));
+ if (cache_timeout < 0){
+ gf_log (this->name, GF_LOG_WARNING,
+ "cache-timeout %d seconds invalid,"
+ " has to be >=0", cache_timeout);
+ *op_errstr = gf_strdup ("Error, should be >= 0");
+ ret = -1;
+ goto out;
+ }
+
+
+ if (cache_timeout > 60){
+ gf_log (this->name, GF_LOG_WARNING,
+ "cache-timeout %d seconds invalid,"
+ " has to be <=60", cache_timeout);
+ *op_errstr = gf_strdup ("Error, should be <= 60");
+ ret = -1;
+ goto out;
+ }
+
+
+
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Validated cache-timeout revalidate cache");
+ }
+
+
+ if (dict_get (options, "cache-size"))
+ cache_size_string = data_to_str (dict_get (options,
+ "cache-size"));
+ if (cache_size_string) {
+ if (gf_string2bytesize (cache_size_string,
+ &cache_size) != 0) {
+ gf_log ("io-cache", GF_LOG_ERROR,
+ "invalid number format \"%s\" of "
+ "\"option cache-size\" Defaulting"
+ "to old value", cache_size_string);
+ *op_errstr = gf_strdup ("Error, Invalid Format");
+ ret = -1;
+ goto out;
+ }
+
+ if (cache_size < ( 4 * GF_UNIT_MB)) {
+ gf_log(this->name, GF_LOG_WARNING, "Reconfiguration"
+ "'option cache-size %s' failed , Max value"
+ "can be 4MiB, Defaulting to old value (%d)"
+ , cache_size_string, cache_size);
+ *op_errstr = gf_strdup ("Error, Cannot be less than 4MB");
+ ret = -1;
+ goto out;
+ }
+
+ if (cache_size > ( 6 * GF_UNIT_GB)) {
+ gf_log(this->name, GF_LOG_WARNING, "Validation"
+ "'option cache-size %s' failed , Max value"
+ "can be 6GiB, Defaulting to old value (%d)"
+ , cache_size_string, cache_size);
+ *op_errstr = gf_strdup ("Error, Cannot be more than 6GB");
+ ret = -1;
+ goto out;
+ }
+
+
+ gf_log (this->name, GF_LOG_DEBUG, "Validated "
+ " cache-size %"PRIu64"", cache_size);
+ }
+
+
+ tmp = data_to_str (dict_get (options, "min-file-size"));
+ if (tmp != NULL) {
+ if (gf_string2bytesize (tmp,
+ (uint64_t *)&min_file_size)
+ != 0) {
+ gf_log ("io-cache", GF_LOG_WARNING,
+ "invalid number format \"%s\" of "
+ "\"option min-file-size\"", tmp);
+ *op_errstr = gf_strdup ("Error, Invalid Format");
+ ret = -1;
+ goto out;
+ }
+
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Validated min-file-size %"PRIu64"",
+ min_file_size);
+ }
+
+
+ tmp = data_to_str (dict_get (options, "max-file-size"));
+ if (tmp != NULL) {
+ if (gf_string2bytesize (tmp,
+ (uint64_t *)&max_file_size)
+ != 0) {
+ gf_log ("io-cache", GF_LOG_WARNING,
+ "invalid number format \"%s\" of "
+ "\"option max-file-size\"", tmp);
+ *op_errstr = gf_strdup ("Error, Invalid Format");
+ ret = -1;
+ goto out;
+ }
+
+
+ gf_log (this->name, GF_LOG_WARNING,
+ "Validated max-file-size %"PRIu64"",
+ max_file_size);
+ }
+
+ if ((max_file_size >= 0) & (min_file_size > max_file_size)) {
+ gf_log ("io-cache", GF_LOG_WARNING, "minimum size (%"
+ PRIu64") of a file that can be cached is "
+ "greater than maximum size (%"PRIu64"). ",
+ min_file_size, max_file_size);
+ *op_errstr = gf_strdup ("Error, min-file-size greater"
+ "than max-file-size");
+ ret = -1;
+ goto out;
+ }
+
+
+out:
+ return ret;
+
+}
+
+int
reconfigure (xlator_t *this, dict_t *options)
{
ioc_table_t *table = NULL;
@@ -1518,6 +1655,9 @@ reconfigure (xlator_t *this, dict_t *options)
"Reconfiguring %d seconds to"
" revalidate cache", table->cache_timeout);
}
+ else
+ table->cache_timeout = 1;
+
if (dict_get (options, "cache-size"))
@@ -1557,6 +1697,8 @@ reconfigure (xlator_t *this, dict_t *options)
" cache-size %"PRIu64"", table->cache_size);
table->cache_size = cache_size;
}
+ else
+ table->cache_size = IOC_CACHE_SIZE;
if (dict_get (options, "priority")) {
@@ -1626,6 +1768,10 @@ reconfigure (xlator_t *this, dict_t *options)
table->min_file_size = min_file_size;
table->max_file_size = max_file_size;
+ if (!data_to_str (dict_get (options, "min-file-size")))
+ table->min_file_size = 0;
+ if (data_to_str (dict_get (options, "max-file-size")))
+ table->max_file_size = 0;
}
ioc_table_unlock (table);