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-rw-r--r--src/core/lib/security/credentials_metadata.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/src/core/lib/security/credentials_metadata.c b/src/core/lib/security/credentials_metadata.c
new file mode 100644
index 0000000000..c3bfcb11b5
--- /dev/null
+++ b/src/core/lib/security/credentials_metadata.c
@@ -0,0 +1,101 @@
+/*
+ *
+ * Copyright 2015-2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/security/credentials.h"
+
+#include <grpc/support/alloc.h>
+
+#include <string.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_malloc(sizeof(grpc_credentials_md_store));
+ memset(store, 0, 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,
+ gpr_slice key, gpr_slice value) {
+ if (store == NULL) return;
+ store_ensure_capacity(store);
+ store->entries[store->num_entries].key = gpr_slice_ref(key);
+ store->entries[store->num_entries].value = gpr_slice_ref(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 = gpr_slice_from_copied_string(key);
+ store->entries[store->num_entries].value =
+ gpr_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_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++) {
+ gpr_slice_unref(store->entries[i].key);
+ gpr_slice_unref(store->entries[i].value);
+ }
+ gpr_free(store->entries);
+ }
+ gpr_free(store);
+ }
+}