Region URL Provider (#642)

* update protocol

* wip

* region provider for reconnects

* update protocol reference

* reset attempts

* move some logic into rtc engine

* remove debug logs

* move helper into utils

* remove more debug stuff

* cleanup

* Create .changeset/wild-cars-compete.md

* address comments

* reject connection promise instead of throwing error

.changeset/wild-cars-compete.md

@@ -0,0 +1,5 @@
+---
+"livekit-client": patch
+---
+
+Add Region URL Provider

src/api/SignalClient.ts

@@ -216,7 +216,7 @@ export class SignalClient {
     return new Promise<JoinResponse | ReconnectResponse | void>(async (resolve, reject) => {
       const abortHandler = async () => {
         await this.close();
-        reject(new ConnectionError('room connection has been cancelled'));
+        reject(new ConnectionError('room connection has been cancelled (signal)'));
       };
 
       if (abortSignal?.aborted) {

src/proto/google/protobuf/timestamp.ts

@@ -127,22 +127,31 @@ export const Timestamp = {
   },
 
   decode(input: _m0.Reader | Uint8Array, length?: number): Timestamp {
-    const reader = input instanceof _m0.Reader ? input : new _m0.Reader(input);
+    const reader = input instanceof _m0.Reader ? input : _m0.Reader.create(input);
     let end = length === undefined ? reader.len : reader.pos + length;
     const message = createBaseTimestamp();
     while (reader.pos < end) {
       const tag = reader.uint32();
       switch (tag >>> 3) {
         case 1:
+          if (tag != 8) {
+            break;
+          }
+
           message.seconds = longToNumber(reader.int64() as Long);
-          break;
+          continue;
         case 2:
+          if (tag != 16) {
+            break;
+          }
+
           message.nanos = reader.int32();
-          break;
-        default:
-          reader.skipType(tag & 7);
-          break;
+          continue;
+      }
+      if ((tag & 7) == 4 || tag == 0) {
+        break;
       }
+      reader.skipType(tag & 7);
     }
     return message;
   },