104 lines
2.8 KiB
Objective-C
104 lines
2.8 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "RCTPackagerClient.h"
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#import <React/RCTConvert.h>
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#import <React/RCTDefines.h>
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#import <React/RCTLog.h>
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#import <React/RCTReconnectingWebSocket.h>
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#import <React/RCTSRWebSocket.h>
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#import <React/RCTUtils.h>
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#import "RCTPackagerClientResponder.h"
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#if RCT_DEV // Only supported in dev mode
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@interface RCTPackagerClient () <RCTWebSocketProtocolDelegate>
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@end
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@implementation RCTPackagerClient {
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RCTReconnectingWebSocket *_socket;
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NSMutableDictionary<NSString *, id<RCTPackagerClientMethod>> *_handlers;
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}
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- (instancetype)initWithURL:(NSURL *)url
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{
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if (self = [super init]) {
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_socket = [[RCTReconnectingWebSocket alloc] initWithURL:url];
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_socket.delegate = self;
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_handlers = [NSMutableDictionary new];
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}
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return self;
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}
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- (void)addHandler:(id<RCTPackagerClientMethod>)handler forMethod:(NSString *)name
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{
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_handlers[name] = handler;
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}
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- (void)start
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{
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_socket.delegate = self;
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[_socket start];
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}
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- (void)stop
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{
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[_socket stop];
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}
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- (BOOL)isSupportedVersion:(NSNumber *)version
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{
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NSArray<NSNumber *> *const kSupportedVersions = @[ @(RCT_PACKAGER_CLIENT_PROTOCOL_VERSION) ];
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return [kSupportedVersions containsObject:version];
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}
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- (void)webSocket:(RCTSRWebSocket *)webSocket didReceiveMessage:(id)message
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{
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if (!_handlers) {
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return;
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}
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NSError *error = nil;
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NSDictionary<NSString *, id> *msg = RCTJSONParse(message, &error);
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if (error) {
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RCTLogError(@"%@ failed to parse message with error %@\n<message>\n%@\n</message>", [self class], error, msg);
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return;
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}
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if (![self isSupportedVersion:msg[@"version"]]) {
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RCTLogError(@"%@ received message with not supported version %@", [self class], msg[@"version"]);
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return;
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}
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id<RCTPackagerClientMethod> methodHandler = _handlers[msg[@"method"]];
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if (!methodHandler) {
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if (msg[@"id"]) {
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NSString *errorMsg = [NSString stringWithFormat:@"%@ no handler found for method %@", [self class], msg[@"method"]];
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RCTLogError(errorMsg, msg[@"method"]);
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[[[RCTPackagerClientResponder alloc] initWithId:msg[@"id"]
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socket:webSocket] respondWithError:errorMsg];
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}
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return; // If it was a broadcast then we ignore it gracefully
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}
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if (msg[@"id"]) {
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[methodHandler handleRequest:msg[@"params"]
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withResponder:[[RCTPackagerClientResponder alloc] initWithId:msg[@"id"]
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socket:webSocket]];
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} else {
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[methodHandler handleNotification:msg[@"params"]];
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}
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}
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@end
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#endif
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