Squashed 'third_party/rawrtc/rawrtc/' content from commit aa3ae4b24
Change-Id: I38a655a4259b62f591334e90a1315bd4e7e4d8ec
git-subtree-dir: third_party/rawrtc/rawrtc
git-subtree-split: aa3ae4b247275cc6e69c30613b3a4ba7fdc82d1b
diff --git a/src/ice_transport/utils.c b/src/ice_transport/utils.c
new file mode 100644
index 0000000..32969d8
--- /dev/null
+++ b/src/ice_transport/utils.c
@@ -0,0 +1,114 @@
+#include "transport.h"
+#include <rawrtc/ice_transport.h>
+#include <rawrtcc/code.h>
+#include <re.h>
+#include <rew.h>
+
+/*
+ * Get the corresponding name for an ICE transport state.
+ */
+char const* rawrtc_ice_transport_state_to_name(enum rawrtc_ice_transport_state const state) {
+ switch (state) {
+ case RAWRTC_ICE_TRANSPORT_STATE_NEW:
+ return "new";
+ case RAWRTC_ICE_TRANSPORT_STATE_CHECKING:
+ return "checking";
+ case RAWRTC_ICE_TRANSPORT_STATE_CONNECTED:
+ return "connected";
+ case RAWRTC_ICE_TRANSPORT_STATE_COMPLETED:
+ return "completed";
+ case RAWRTC_ICE_TRANSPORT_STATE_DISCONNECTED:
+ return "disconnected";
+ case RAWRTC_ICE_TRANSPORT_STATE_FAILED:
+ return "failed";
+ case RAWRTC_ICE_TRANSPORT_STATE_CLOSED:
+ return "closed";
+ default:
+ return "???";
+ }
+}
+
+static enum rawrtc_ice_role const map_enum_ice_role[] = {
+ RAWRTC_ICE_ROLE_CONTROLLING,
+ RAWRTC_ICE_ROLE_CONTROLLED,
+};
+
+static char const* const map_str_ice_role[] = {
+ "controlling",
+ "controlled",
+};
+
+static size_t const map_ice_role_length = ARRAY_SIZE(map_enum_ice_role);
+
+/*
+ * Translate an ICE role to str.
+ */
+char const* rawrtc_ice_role_to_str(enum rawrtc_ice_role const role) {
+ size_t i;
+
+ for (i = 0; i < map_ice_role_length; ++i) {
+ if (map_enum_ice_role[i] == role) {
+ return map_str_ice_role[i];
+ }
+ }
+
+ return "???";
+}
+
+/*
+ * Translate a str to an ICE role (case-insensitive).
+ */
+enum rawrtc_code rawrtc_str_to_ice_role(
+ enum rawrtc_ice_role* const rolep, // de-referenced
+ char const* const str) {
+ size_t i;
+
+ // Check arguments
+ if (!rolep || !str) {
+ return RAWRTC_CODE_INVALID_ARGUMENT;
+ }
+
+ for (i = 0; i < map_ice_role_length; ++i) {
+ if (str_casecmp(map_str_ice_role[i], str) == 0) {
+ *rolep = map_enum_ice_role[i];
+ return RAWRTC_CODE_SUCCESS;
+ }
+ }
+
+ return RAWRTC_CODE_NO_VALUE;
+}
+
+/*
+ * Translate an ICE role to the corresponding re type.
+ */
+enum ice_role rawrtc_ice_role_to_re_ice_role(enum rawrtc_ice_role const role) {
+ // No conversion needed
+ return (enum ice_role) role;
+}
+
+/*
+ * Translate a re ICE role to the corresponding rawrtc role.
+ */
+enum rawrtc_code rawrtc_re_ice_role_to_ice_role(
+ enum rawrtc_ice_role* const rolep, // de-referenced
+ enum ice_role const re_role) {
+ // Check arguments
+ if (!rolep) {
+ return RAWRTC_CODE_INVALID_ARGUMENT;
+ }
+
+ // Translate role
+ switch (re_role) {
+ case ICE_ROLE_CONTROLLING:
+ *rolep = RAWRTC_ICE_ROLE_CONTROLLING;
+ return RAWRTC_CODE_SUCCESS;
+ case ICE_ROLE_CONTROLLED:
+ *rolep = RAWRTC_ICE_ROLE_CONTROLLED;
+ return RAWRTC_CODE_SUCCESS;
+ case ICE_ROLE_UNKNOWN:
+ *rolep = RAWRTC_ICE_ROLE_UNKNOWN;
+ return RAWRTC_CODE_SUCCESS;
+ default:
+ return RAWRTC_CODE_INVALID_ARGUMENT;
+ }
+}