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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "src/core/lib/security/credentials/credentials.h"
#include <grpc/support/alloc.h>
#include <string.h>
#include "src/core/lib/slice/slice_internal.h"
static void store_ensure_capacity(grpc_credentials_md_store *store) {
if (store->num_entries == store->allocated) {
store->allocated = (store->allocated == 0) ? 1 : store->allocated * 2;
store->entries = gpr_realloc(
store->entries, store->allocated * sizeof(grpc_credentials_md));
}
}
grpc_credentials_md_store *grpc_credentials_md_store_create(
size_t initial_capacity) {
grpc_credentials_md_store *store =
gpr_zalloc(sizeof(grpc_credentials_md_store));
if (initial_capacity > 0) {
store->entries = gpr_malloc(initial_capacity * sizeof(grpc_credentials_md));
store->allocated = initial_capacity;
}
gpr_ref_init(&store->refcount, 1);
return store;
}
void grpc_credentials_md_store_add(grpc_credentials_md_store *store,
grpc_slice key, grpc_slice value) {
if (store == NULL) return;
store_ensure_capacity(store);
store->entries[store->num_entries].key = grpc_slice_ref_internal(key);
store->entries[store->num_entries].value = grpc_slice_ref_internal(value);
store->num_entries++;
}
void grpc_credentials_md_store_add_cstrings(grpc_credentials_md_store *store,
const char *key,
const char *value) {
if (store == NULL) return;
store_ensure_capacity(store);
store->entries[store->num_entries].key = grpc_slice_from_copied_string(key);
store->entries[store->num_entries].value =
grpc_slice_from_copied_string(value);
store->num_entries++;
}
grpc_credentials_md_store *grpc_credentials_md_store_ref(
grpc_credentials_md_store *store) {
if (store == NULL) return NULL;
gpr_ref(&store->refcount);
return store;
}
void grpc_credentials_md_store_unref(grpc_exec_ctx *exec_ctx,
grpc_credentials_md_store *store) {
if (store == NULL) return;
if (gpr_unref(&store->refcount)) {
if (store->entries != NULL) {
size_t i;
for (i = 0; i < store->num_entries; i++) {
grpc_slice_unref_internal(exec_ctx, store->entries[i].key);
grpc_slice_unref_internal(exec_ctx, store->entries[i].value);
}
gpr_free(store->entries);
}
gpr_free(store);
}
}
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