diff options
Diffstat (limited to 'xlators/cluster/ec/src/ec-combine.c')
-rw-r--r-- | xlators/cluster/ec/src/ec-combine.c | 252 |
1 files changed, 115 insertions, 137 deletions
diff --git a/xlators/cluster/ec/src/ec-combine.c b/xlators/cluster/ec/src/ec-combine.c index f3905ce9216..4afbc5bb2b6 100644 --- a/xlators/cluster/ec/src/ec-combine.c +++ b/xlators/cluster/ec/src/ec-combine.c @@ -291,16 +291,14 @@ int32_t ec_dict_list(data_t ** list, int32_t * count, ec_cbk_data_t * cbk, max = *count; i = 0; - for (ans = cbk; ans != NULL; ans = ans->next) - { - if (i >= max) - { + for (ans = cbk; ans != NULL; ans = ans->next) { + if (i >= max) { gf_msg (cbk->fop->xl->name, GF_LOG_ERROR, EINVAL, EC_MSG_INVALID_DICT_NUMS, "Unexpected number of " "dictionaries"); - return 0; + return -EINVAL; } dict = (which == EC_COMBINE_XDATA) ? ans->xdata : ans->dict; @@ -312,46 +310,43 @@ int32_t ec_dict_list(data_t ** list, int32_t * count, ec_cbk_data_t * cbk, *count = i; - return 1; + return 0; } -char * ec_concat_prepare(xlator_t * xl, char ** sep, char ** post, - const char * fmt, va_list args) +int32_t ec_concat_prepare(xlator_t *xl, char **str, char **sep, char **post, + const char *fmt, va_list args) { - char * str, * tmp; + char *tmp; int32_t len; - len = gf_vasprintf(&str, fmt, args); - if (len < 0) - { - return NULL; + len = gf_vasprintf(str, fmt, args); + if (len < 0) { + return -ENOMEM; } - tmp = strchr(str, '{'); - if (tmp == NULL) - { + tmp = strchr(*str, '{'); + if (tmp == NULL) { goto out; } *tmp++ = 0; *sep = tmp; tmp = strchr(tmp, '}'); - if (tmp == NULL) - { + if (tmp == NULL) { goto out; } *tmp++ = 0; *post = tmp; - return str; + return 0; out: gf_msg (xl->name, GF_LOG_ERROR, EINVAL, EC_MSG_INVALID_FORMAT, "Invalid concat format"); - GF_FREE(str); + GF_FREE(*str); - return NULL; + return -EINVAL; } int32_t ec_dict_data_concat(const char * fmt, ec_cbk_data_t * cbk, @@ -362,21 +357,20 @@ int32_t ec_dict_data_concat(const char * fmt, ec_cbk_data_t * cbk, dict_t * dict; va_list args; int32_t i, num, len, prelen, postlen, seplen, tmp; - int32_t ret = -1; + int32_t err; num = cbk->count; - if (!ec_dict_list(data, &num, cbk, which, key)) - { - return -1; + err = ec_dict_list(data, &num, cbk, which, key); + if (err != 0) { + return err; } va_start(args, key); - pre = ec_concat_prepare(cbk->fop->xl, &sep, &post, fmt, args); + err = ec_concat_prepare(cbk->fop->xl, &pre, &sep, &post, fmt, args); va_end(args); - if (pre == NULL) - { - return -1; + if (err != 0) { + return err; } prelen = strlen(pre); @@ -384,21 +378,20 @@ int32_t ec_dict_data_concat(const char * fmt, ec_cbk_data_t * cbk, postlen = strlen(post); len = prelen + (num - 1) * seplen + postlen + 1; - for (i = 0; i < num; i++) - { + for (i = 0; i < num; i++) { len += data[i]->len - 1; } + err = -ENOMEM; + str = GF_MALLOC(len, gf_common_mt_char); - if (str == NULL) - { + if (str == NULL) { goto out; } memcpy(str, pre, prelen); len = prelen; - for (i = 0; i < num; i++) - { + for (i = 0; i < num; i++) { if (i > 0) { memcpy(str + len, sep, seplen); len += seplen; @@ -410,58 +403,58 @@ int32_t ec_dict_data_concat(const char * fmt, ec_cbk_data_t * cbk, memcpy(str + len, post, postlen + 1); dict = (which == EC_COMBINE_XDATA) ? cbk->xdata : cbk->dict; - if (dict_set_dynstr(dict, key, str) != 0) - { + err = dict_set_dynstr(dict, key, str); + if (err != 0) { goto out; } str = NULL; - ret = 0; - out: GF_FREE(str); GF_FREE(pre); - return ret; + return err; } -int32_t ec_dict_data_merge(ec_cbk_data_t * cbk, int32_t which, char * key) +int32_t ec_dict_data_merge(ec_cbk_data_t *cbk, int32_t which, char *key) { - data_t * data[cbk->count]; - dict_t * dict, * lockinfo, * tmp; - char * ptr = NULL; + data_t *data[cbk->count]; + dict_t *dict, *lockinfo, *tmp = NULL; + char *ptr = NULL; int32_t i, num, len; - int32_t ret = -1; + int32_t err; num = cbk->count; - if (!ec_dict_list(data, &num, cbk, which, key)) - { - return -1; + err = ec_dict_list(data, &num, cbk, which, key); + if (err != 0) { + return err; } lockinfo = dict_new(); - if (lockinfo == NULL) - { - return -1; + if (lockinfo == NULL) { + return -ENOMEM; } - if (dict_unserialize(data[0]->data, data[0]->len, &lockinfo) != 0) - { + err = dict_unserialize(data[0]->data, data[0]->len, &lockinfo); + if (err != 0) { goto out; } for (i = 1; i < num; i++) { tmp = dict_new(); - if (tmp == NULL) - { + if (tmp == NULL) { + err = -ENOMEM; + goto out; } - if ((dict_unserialize(data[i]->data, data[i]->len, &tmp) != 0) || - (dict_copy(tmp, lockinfo) == NULL)) - { - dict_unref(tmp); + err = dict_unserialize(data[i]->data, data[i]->len, &tmp); + if (err != 0) { + goto out; + } + if (dict_copy(tmp, lockinfo) == NULL) { + err = -ENOMEM; goto out; } @@ -469,35 +462,40 @@ int32_t ec_dict_data_merge(ec_cbk_data_t * cbk, int32_t which, char * key) dict_unref(tmp); } + tmp = NULL; + len = dict_serialized_length(lockinfo); - if (len < 0) - { + if (len < 0) { + err = len; + goto out; } ptr = GF_MALLOC(len, gf_common_mt_char); - if (ptr == NULL) - { + if (ptr == NULL) { + err = -ENOMEM; + goto out; } - if (dict_serialize(lockinfo, ptr) != 0) - { + err = dict_serialize(lockinfo, ptr); + if (err != 0) { goto out; } dict = (which == EC_COMBINE_XDATA) ? cbk->xdata : cbk->dict; - if (dict_set_dynptr(dict, key, ptr, len) != 0) - { + err = dict_set_dynptr(dict, key, ptr, len); + if (err != 0) { goto out; } ptr = NULL; - ret = 0; - out: GF_FREE(ptr); dict_unref(lockinfo); + if (tmp != NULL) { + dict_unref(tmp); + } - return ret; + return err; } int32_t ec_dict_data_uuid(ec_cbk_data_t * cbk, int32_t which, char * key) @@ -507,27 +505,22 @@ int32_t ec_dict_data_uuid(ec_cbk_data_t * cbk, int32_t which, char * key) data_t * data; min = cbk; - for (ans = cbk->next; ans != NULL; ans = ans->next) - { - if (ans->idx < min->idx) - { + for (ans = cbk->next; ans != NULL; ans = ans->next) { + if (ans->idx < min->idx) { min = ans; } } - if (min != cbk) - { + if (min != cbk) { src = (which == EC_COMBINE_XDATA) ? min->xdata : min->dict; dst = (which == EC_COMBINE_XDATA) ? cbk->xdata : cbk->dict; data = dict_get(src, key); - if (data == NULL) - { - return -1; + if (data == NULL) { + return -ENOENT; } - if (dict_set(dst, key, data) != 0) - { - return -1; + if (dict_set(dst, key, data) != 0) { + return -ENOMEM; } } @@ -538,44 +531,38 @@ int32_t ec_dict_data_max32(ec_cbk_data_t *cbk, int32_t which, char *key) { data_t * data[cbk->count]; dict_t * dict; - int32_t i, num; + int32_t i, num, err; uint32_t max, tmp; num = cbk->count; - if (!ec_dict_list(data, &num, cbk, which, key)) - { - return -1; + err = ec_dict_list(data, &num, cbk, which, key); + if (err != 0) { + return err; } max = data_to_uint32(data[0]); - for (i = 1; i < num; i++) - { + for (i = 1; i < num; i++) { tmp = data_to_uint32(data[i]); - if (max < tmp) - { + if (max < tmp) { max = tmp; } } dict = (which == EC_COMBINE_XDATA) ? cbk->xdata : cbk->dict; - if (dict_set_uint32(dict, key, max) != 0) - { - return -1; - } - - return 0; + return dict_set_uint32(dict, key, max); } int32_t ec_dict_data_max64(ec_cbk_data_t *cbk, int32_t which, char *key) { data_t *data[cbk->count]; dict_t *dict; - int32_t i, num; + int32_t i, num, err; uint64_t max, tmp; num = cbk->count; - if (!ec_dict_list(data, &num, cbk, which, key)) { - return -1; + err = ec_dict_list(data, &num, cbk, which, key); + if (err != 0) { + return err; } max = data_to_uint64(data[0]); @@ -587,11 +574,7 @@ int32_t ec_dict_data_max64(ec_cbk_data_t *cbk, int32_t which, char *key) } dict = (which == EC_COMBINE_XDATA) ? cbk->xdata : cbk->dict; - if (dict_set_uint64(dict, key, max) != 0) { - return -1; - } - - return 0; + return dict_set_uint64(dict, key, max); } int32_t ec_dict_data_quota(ec_cbk_data_t *cbk, int32_t which, char *key) @@ -601,13 +584,14 @@ int32_t ec_dict_data_quota(ec_cbk_data_t *cbk, int32_t which, char *key) ec_t *ec = NULL; int32_t i = 0; int32_t num = 0; - int32_t ret = -1; + int32_t err = 0; quota_meta_t size = {0, }; quota_meta_t max_size = {0, }; num = cbk->count; - if (!ec_dict_list(data, &num, cbk, which, key)) { - return -1; + err = ec_dict_list(data, &num, cbk, which, key); + if (err != 0) { + return err; } if (num == 0) { @@ -620,9 +604,9 @@ int32_t ec_dict_data_quota(ec_cbk_data_t *cbk, int32_t which, char *key) * case, we take the maximum of all received values. */ for (i = 0; i < num; i++) { - ret = quota_data_to_meta (data[i], QUOTA_SIZE_KEY, &size); - if (ret == -1) + if (quota_data_to_meta (data[i], QUOTA_SIZE_KEY, &size) < 0) { continue; + } if (size.size > max_size.size) max_size.size = size.size; @@ -636,36 +620,29 @@ int32_t ec_dict_data_quota(ec_cbk_data_t *cbk, int32_t which, char *key) max_size.size *= ec->fragments; dict = (which == EC_COMBINE_XDATA) ? cbk->xdata : cbk->dict; - if (quota_dict_set_meta (dict, key, &max_size, IA_IFDIR) != 0) { - return -1; - } - - return 0; + return quota_dict_set_meta (dict, key, &max_size, IA_IFDIR); } int32_t ec_dict_data_stime(ec_cbk_data_t * cbk, int32_t which, char * key) { data_t * data[cbk->count]; dict_t * dict; - int32_t i, num; + int32_t i, num, err; num = cbk->count; - if (!ec_dict_list(data, &num, cbk, which, key)) - { - return -1; + err = ec_dict_list(data, &num, cbk, which, key); + if (err != 0) { + return err; } dict = (which == EC_COMBINE_XDATA) ? cbk->xdata : cbk->dict; - for (i = 1; i < num; i++) - { - if (gf_get_max_stime(cbk->fop->xl, dict, key, data[i]) != 0) - { - gf_msg (cbk->fop->xl->name, GF_LOG_ERROR, 0, - EC_MSG_STIME_COMBINE_FAIL, - "STIME combination " - "failed"); + for (i = 1; i < num; i++) { + err = gf_get_max_stime(cbk->fop->xl, dict, key, data[i]); + if (err != 0) { + gf_msg (cbk->fop->xl->name, GF_LOG_ERROR, -err, + EC_MSG_STIME_COMBINE_FAIL, "STIME combination failed"); - return -1; + return err; } } @@ -733,23 +710,24 @@ int32_t ec_dict_combine(ec_cbk_data_t * cbk, int32_t which) { dict_t * dict; ec_dict_combine_t data; + int32_t err = 0; data.cbk = cbk; data.which = which; dict = (which == EC_COMBINE_XDATA) ? cbk->xdata : cbk->dict; - if ((dict != NULL) && - (dict_foreach(dict, ec_dict_data_combine, &data) != 0)) - { - gf_msg (cbk->fop->xl->name, GF_LOG_ERROR, 0, - EC_MSG_DICT_COMBINE_FAIL, - "Dictionary combination " - "failed"); - - return 0; + if (dict != NULL) { + err = dict_foreach(dict, ec_dict_data_combine, &data); + if (err != 0) { + gf_msg (cbk->fop->xl->name, GF_LOG_ERROR, -err, + EC_MSG_DICT_COMBINE_FAIL, + "Dictionary combination failed"); + + return err; + } } - return 1; + return 0; } int32_t ec_vector_compare(struct iovec * dst_vector, int32_t dst_count, |