APPRTCDemo(objc): Remove regex parsing in favor of JSON struct.
Also some cleanup/refactoring of APPRTCAppClient. R=fischman@webrtc.org, glaznev@webrtc.org BUG=3407 Review URL: https://webrtc-codereview.appspot.com/18499004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@6362 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
parent
24c1778651
commit
013bdf802a
@ -48,20 +48,20 @@
|
||||
// call connectToRoom(). apprtc.appspot.com will signal that is successful via
|
||||
// onOpen through the browser channel. Then you should call sendData() and wait
|
||||
// for the registered handler to be called with received messages.
|
||||
@interface APPRTCAppClient : NSObject<NSURLConnectionDataDelegate>
|
||||
@interface APPRTCAppClient : NSObject
|
||||
|
||||
@property(nonatomic) BOOL initiator;
|
||||
@property(nonatomic, copy, readonly) RTCMediaConstraints* videoConstraints;
|
||||
@property(nonatomic, weak) id<APPRTCAppClientDelegate> delegate;
|
||||
|
||||
- (id)initWithDelegate:(id<APPRTCAppClientDelegate>)delegate
|
||||
messageHandler:(id<GAEMessageHandler>)handler;
|
||||
- (instancetype)initWithDelegate:(id<APPRTCAppClientDelegate>)delegate
|
||||
messageHandler:(id<GAEMessageHandler>)handler;
|
||||
- (void)connectToRoom:(NSURL*)room;
|
||||
- (void)sendData:(NSData*)data;
|
||||
|
||||
#ifndef DOXYGEN_SHOULD_SKIP_THIS
|
||||
// Disallow init and don't add to documentation
|
||||
- (id)init __attribute__((
|
||||
- (instancetype)init __attribute__((
|
||||
unavailable("init is not a supported initializer for this class.")));
|
||||
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
|
||||
|
||||
|
@ -38,290 +38,184 @@
|
||||
#import "RTCMediaConstraints.h"
|
||||
#import "RTCPair.h"
|
||||
|
||||
@interface APPRTCAppClient ()
|
||||
|
||||
@property(nonatomic, weak, readonly) id<GAEMessageHandler> messageHandler;
|
||||
@property(nonatomic, copy) NSString* baseURL;
|
||||
@property(nonatomic, strong) GAEChannelClient* gaeChannel;
|
||||
@property(nonatomic, copy) NSString* postMessageUrl;
|
||||
@property(nonatomic, copy) NSString* pcConfig;
|
||||
@property(nonatomic, strong) NSMutableString* roomHtml;
|
||||
@property(atomic, strong) NSMutableArray* sendQueue;
|
||||
@property(nonatomic, copy) NSString* token;
|
||||
|
||||
@property(nonatomic, assign) BOOL verboseLogging;
|
||||
|
||||
@end
|
||||
|
||||
@implementation APPRTCAppClient {
|
||||
dispatch_queue_t _backgroundQueue;
|
||||
GAEChannelClient* _gaeChannel;
|
||||
NSURL* _postMessageURL;
|
||||
BOOL _verboseLogging;
|
||||
__weak id<GAEMessageHandler> _messageHandler;
|
||||
}
|
||||
|
||||
- (id)initWithDelegate:(id<APPRTCAppClientDelegate>)delegate
|
||||
messageHandler:(id<GAEMessageHandler>)handler {
|
||||
- (instancetype)initWithDelegate:(id<APPRTCAppClientDelegate>)delegate
|
||||
messageHandler:(id<GAEMessageHandler>)handler {
|
||||
if (self = [super init]) {
|
||||
_delegate = delegate;
|
||||
_messageHandler = handler;
|
||||
_backgroundQueue = dispatch_queue_create("RTCBackgroundQueue",
|
||||
DISPATCH_QUEUE_SERIAL);
|
||||
_sendQueue = [NSMutableArray array];
|
||||
// Uncomment to see Request/Response logging.
|
||||
// _verboseLogging = YES;
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
#pragma mark - Public methods
|
||||
|
||||
- (void)connectToRoom:(NSURL*)url {
|
||||
self.roomHtml = [NSMutableString stringWithCapacity:20000];
|
||||
NSURLRequest* request = [NSURLRequest requestWithURL:url];
|
||||
[NSURLConnection connectionWithRequest:request delegate:self];
|
||||
NSString* urlString =
|
||||
[[url absoluteString] stringByAppendingString:@"&t=json"];
|
||||
NSURL* requestURL = [NSURL URLWithString:urlString];
|
||||
NSURLRequest* request = [NSURLRequest requestWithURL:requestURL];
|
||||
[self sendURLRequest:request
|
||||
completionHandler:^(NSError* error,
|
||||
NSHTTPURLResponse* httpResponse,
|
||||
NSData* responseData) {
|
||||
int statusCode = [httpResponse statusCode];
|
||||
[self logVerbose:[NSString stringWithFormat:
|
||||
@"Response received\nURL\n%@\nStatus [%d]\nHeaders\n%@",
|
||||
[httpResponse URL],
|
||||
statusCode,
|
||||
[httpResponse allHeaderFields]]];
|
||||
NSAssert(statusCode == 200,
|
||||
@"Invalid response of %d received while connecting to: %@",
|
||||
statusCode,
|
||||
urlString);
|
||||
if (statusCode != 200) {
|
||||
return;
|
||||
}
|
||||
[self handleResponseData:responseData
|
||||
forRoomRequest:request];
|
||||
}];
|
||||
}
|
||||
|
||||
- (void)sendData:(NSData*)data {
|
||||
[self maybeLogMessage:@"Send message"];
|
||||
|
||||
dispatch_async(_backgroundQueue, ^{
|
||||
[self.sendQueue addObject:[data copy]];
|
||||
|
||||
if ([self.postMessageUrl length] < 1) {
|
||||
return;
|
||||
}
|
||||
for (NSData* data in self.sendQueue) {
|
||||
NSString* url =
|
||||
[NSString stringWithFormat:@"%@/%@",
|
||||
self.baseURL, self.postMessageUrl];
|
||||
[self sendData:data withUrl:url];
|
||||
}
|
||||
[self.sendQueue removeAllObjects];
|
||||
});
|
||||
NSParameterAssert([data length] > 0);
|
||||
NSString* message = [NSString stringWithUTF8String:[data bytes]];
|
||||
[self logVerbose:[NSString stringWithFormat:@"Send message:\n%@", message]];
|
||||
if (!_postMessageURL) {
|
||||
return;
|
||||
}
|
||||
NSMutableURLRequest* request =
|
||||
[NSMutableURLRequest requestWithURL:_postMessageURL];
|
||||
request.HTTPMethod = @"POST";
|
||||
[request setHTTPBody:data];
|
||||
[self sendURLRequest:request
|
||||
completionHandler:^(NSError* error,
|
||||
NSHTTPURLResponse* httpResponse,
|
||||
NSData* responseData) {
|
||||
int status = [httpResponse statusCode];
|
||||
NSString* response = [responseData length] > 0 ?
|
||||
[NSString stringWithUTF8String:[responseData bytes]] :
|
||||
nil;
|
||||
NSAssert(status == 200,
|
||||
@"Bad response [%d] to message: %@\n\n%@",
|
||||
status,
|
||||
message,
|
||||
response);
|
||||
}];
|
||||
}
|
||||
|
||||
#pragma mark - Internal methods
|
||||
#pragma mark - Private
|
||||
|
||||
- (NSString*)findVar:(NSString*)name strippingQuotes:(BOOL)strippingQuotes {
|
||||
NSError* error;
|
||||
NSString* pattern =
|
||||
[NSString stringWithFormat:@".*\n *var %@ = ([^\n]*);\n.*", name];
|
||||
NSRegularExpression* regexp =
|
||||
[NSRegularExpression regularExpressionWithPattern:pattern
|
||||
options:0
|
||||
error:&error];
|
||||
NSAssert(!error,
|
||||
@"Unexpected error compiling regex: ",
|
||||
error.localizedDescription);
|
||||
|
||||
NSRange fullRange = NSMakeRange(0, [self.roomHtml length]);
|
||||
NSArray* matches =
|
||||
[regexp matchesInString:self.roomHtml options:0 range:fullRange];
|
||||
if ([matches count] != 1) {
|
||||
NSString* format = @"%lu matches for %@ in %@";
|
||||
NSString* message = [NSString stringWithFormat:format,
|
||||
(unsigned long)[matches count], name, self.roomHtml];
|
||||
[self.delegate appClient:self didErrorWithMessage:message];
|
||||
return nil;
|
||||
}
|
||||
NSRange matchRange = [matches[0] rangeAtIndex:1];
|
||||
NSString* value = [self.roomHtml substringWithRange:matchRange];
|
||||
if (strippingQuotes) {
|
||||
NSAssert([value length] > 2,
|
||||
@"Can't strip quotes from short string: [%@]",
|
||||
value);
|
||||
NSAssert(([value characterAtIndex:0] == '\'' &&
|
||||
[value characterAtIndex:[value length] - 1] == '\''),
|
||||
@"Can't strip quotes from unquoted string: [%@]",
|
||||
value);
|
||||
value = [value substringWithRange:NSMakeRange(1, [value length] - 2)];
|
||||
}
|
||||
return value;
|
||||
}
|
||||
|
||||
- (void)maybeLogMessage:(NSString*)message {
|
||||
if (self.verboseLogging) {
|
||||
- (void)logVerbose:(NSString*)message {
|
||||
if (_verboseLogging) {
|
||||
NSLog(@"%@", message);
|
||||
}
|
||||
}
|
||||
|
||||
- (void)sendData:(NSData*)data withUrl:(NSString*)url {
|
||||
NSMutableURLRequest* request =
|
||||
[NSMutableURLRequest requestWithURL:[NSURL URLWithString:url]];
|
||||
request.HTTPMethod = @"POST";
|
||||
[request setHTTPBody:data];
|
||||
NSURLResponse* response;
|
||||
NSError* error;
|
||||
NSData* responseData = [NSURLConnection sendSynchronousRequest:request
|
||||
returningResponse:&response
|
||||
error:&error];
|
||||
NSHTTPURLResponse* httpResponse = (NSHTTPURLResponse*)response;
|
||||
int status = [httpResponse statusCode];
|
||||
NSAssert(status == 200,
|
||||
@"Bad response [%d] to message: %@\n\n%@",
|
||||
status,
|
||||
[NSString stringWithUTF8String:[data bytes]],
|
||||
[NSString stringWithUTF8String:[responseData bytes]]);
|
||||
}
|
||||
|
||||
- (void)updateICEServers:(NSMutableArray*)ICEServers
|
||||
withTurnServer:(NSString*)turnServerUrl {
|
||||
if ([turnServerUrl length] < 1) {
|
||||
[self.delegate appClient:self didReceiveICEServers:ICEServers];
|
||||
return;
|
||||
}
|
||||
dispatch_async(_backgroundQueue, ^(void) {
|
||||
NSMutableURLRequest* request = [NSMutableURLRequest
|
||||
requestWithURL:[NSURL URLWithString:turnServerUrl]];
|
||||
[request addValue:@"Mozilla/5.0" forHTTPHeaderField:@"user-agent"];
|
||||
[request addValue:@"https://apprtc.appspot.com"
|
||||
forHTTPHeaderField:@"origin"];
|
||||
NSURLResponse* response;
|
||||
NSError* error;
|
||||
NSData* responseData = [NSURLConnection sendSynchronousRequest:request
|
||||
returningResponse:&response
|
||||
error:&error];
|
||||
if (!error) {
|
||||
NSDictionary* json =
|
||||
[NSJSONSerialization JSONObjectWithData:responseData
|
||||
options:0
|
||||
error:&error];
|
||||
NSAssert(!error, @"Unable to parse. %@", error.localizedDescription);
|
||||
NSString* username = json[@"username"];
|
||||
NSString* password = json[@"password"];
|
||||
NSArray* uris = json[@"uris"];
|
||||
for (int i = 0; i < [uris count]; ++i) {
|
||||
NSString* turnServer = [uris objectAtIndex:i];
|
||||
RTCICEServer* ICEServer =
|
||||
[[RTCICEServer alloc] initWithURI:[NSURL URLWithString:turnServer]
|
||||
username:username
|
||||
password:password];
|
||||
NSLog(@"Added ICE Server: %@", ICEServer);
|
||||
[ICEServers addObject:ICEServer];
|
||||
}
|
||||
} else {
|
||||
NSLog(@"Unable to get TURN server. Error: %@", error.description);
|
||||
}
|
||||
|
||||
dispatch_async(dispatch_get_main_queue(), ^(void) {
|
||||
[self.delegate appClient:self didReceiveICEServers:ICEServers];
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
#pragma mark - NSURLConnectionDataDelegate methods
|
||||
|
||||
- (void)connection:(NSURLConnection*)connection didReceiveData:(NSData*)data {
|
||||
NSString* roomHtml = [NSString stringWithUTF8String:[data bytes]];
|
||||
NSString* message =
|
||||
[NSString stringWithFormat:@"Received %lu chars",
|
||||
(unsigned long)[roomHtml length]];
|
||||
[self maybeLogMessage:message];
|
||||
[self.roomHtml appendString:roomHtml];
|
||||
}
|
||||
|
||||
- (void)connection:(NSURLConnection*)connection
|
||||
didReceiveResponse:(NSURLResponse*)response {
|
||||
NSHTTPURLResponse* httpResponse = (NSHTTPURLResponse*)response;
|
||||
int statusCode = [httpResponse statusCode];
|
||||
[self
|
||||
maybeLogMessage:
|
||||
[NSString stringWithFormat:
|
||||
@"Response received\nURL\n%@\nStatus [%d]\nHeaders\n%@",
|
||||
[httpResponse URL],
|
||||
statusCode,
|
||||
[httpResponse allHeaderFields]]];
|
||||
NSAssert(statusCode == 200, @"Invalid response of %d received.", statusCode);
|
||||
}
|
||||
|
||||
- (void)connectionDidFinishLoading:(NSURLConnection*)connection {
|
||||
NSString* message =
|
||||
[NSString stringWithFormat:@"finished loading %lu chars",
|
||||
(unsigned long)[self.roomHtml length]];
|
||||
[self maybeLogMessage:message];
|
||||
NSRegularExpression* fullRegex =
|
||||
[NSRegularExpression regularExpressionWithPattern:@"room is full"
|
||||
options:0
|
||||
error:nil];
|
||||
if ([fullRegex
|
||||
numberOfMatchesInString:self.roomHtml
|
||||
options:0
|
||||
range:NSMakeRange(0, [self.roomHtml length])]) {
|
||||
NSString* message = @"Room full, dropping peerconnection.";
|
||||
- (void)handleResponseData:(NSData*)responseData
|
||||
forRoomRequest:(NSURLRequest*)request {
|
||||
NSDictionary* roomJSON = [self parseJSONData:responseData];
|
||||
[self logVerbose:[NSString stringWithFormat:@"Room JSON:\n%@", roomJSON]];
|
||||
NSParameterAssert(roomJSON);
|
||||
if (roomJSON[@"error"]) {
|
||||
NSArray* errorMessages = roomJSON[@"error_messages"];
|
||||
NSMutableString* message = [NSMutableString string];
|
||||
for (NSString* errorMessage in errorMessages) {
|
||||
[message appendFormat:@"%@\n", errorMessage];
|
||||
}
|
||||
[self.delegate appClient:self didErrorWithMessage:message];
|
||||
return;
|
||||
}
|
||||
NSString* pcConfig = roomJSON[@"pc_config"];
|
||||
NSData* pcConfigData = [pcConfig dataUsingEncoding:NSUTF8StringEncoding];
|
||||
NSDictionary* pcConfigJSON = [self parseJSONData:pcConfigData];
|
||||
[self logVerbose:[NSString stringWithFormat:@"PCConfig JSON:\n%@",
|
||||
pcConfigJSON]];
|
||||
NSParameterAssert(pcConfigJSON);
|
||||
|
||||
NSString* fullUrl = [[[connection originalRequest] URL] absoluteString];
|
||||
NSRange queryRange = [fullUrl rangeOfString:@"?"];
|
||||
self.baseURL = [fullUrl substringToIndex:queryRange.location];
|
||||
[self maybeLogMessage:[NSString
|
||||
stringWithFormat:@"Base URL: %@", self.baseURL]];
|
||||
NSArray* iceServers = [self parseICEServersForPCConfigJSON:pcConfigJSON];
|
||||
[self requestTURNServerForICEServers:iceServers
|
||||
turnServerUrl:roomJSON[@"turn_url"]];
|
||||
|
||||
self.initiator = [[self findVar:@"initiator" strippingQuotes:NO] boolValue];
|
||||
self.token = [self findVar:@"channelToken" strippingQuotes:YES];
|
||||
if (!self.token)
|
||||
return;
|
||||
[self maybeLogMessage:[NSString stringWithFormat:@"Token: %@", self.token]];
|
||||
_initiator = [roomJSON[@"initiator"] boolValue];
|
||||
[self logVerbose:[NSString stringWithFormat:@"Initiator: %d", _initiator]];
|
||||
_postMessageURL = [self parsePostMessageURLForRoomJSON:roomJSON
|
||||
request:request];
|
||||
[self logVerbose:[NSString stringWithFormat:@"POST message URL:\n%@",
|
||||
_postMessageURL]];
|
||||
_videoConstraints = [self parseVideoConstraintsForRoomJSON:roomJSON];
|
||||
[self logVerbose:[NSString stringWithFormat:@"Media constraints:\n%@",
|
||||
_videoConstraints]];
|
||||
NSString* token = roomJSON[@"token"];
|
||||
[self logVerbose:
|
||||
[NSString stringWithFormat:@"About to open GAE with token: %@",
|
||||
token]];
|
||||
_gaeChannel =
|
||||
[[GAEChannelClient alloc] initWithToken:token
|
||||
delegate:_messageHandler];
|
||||
}
|
||||
|
||||
NSString* roomKey = [self findVar:@"roomKey" strippingQuotes:YES];
|
||||
NSString* me = [self findVar:@"me" strippingQuotes:YES];
|
||||
if (!roomKey || !me)
|
||||
return;
|
||||
self.postMessageUrl =
|
||||
[NSString stringWithFormat:@"/message?r=%@&u=%@", roomKey, me];
|
||||
[self maybeLogMessage:[NSString stringWithFormat:@"POST message URL: %@",
|
||||
self.postMessageUrl]];
|
||||
|
||||
NSString* pcConfig = [self findVar:@"pcConfig" strippingQuotes:NO];
|
||||
if (!pcConfig)
|
||||
return;
|
||||
[self maybeLogMessage:[NSString
|
||||
stringWithFormat:@"PC Config JSON: %@", pcConfig]];
|
||||
|
||||
NSString* turnServerUrl = [self findVar:@"turnUrl" strippingQuotes:YES];
|
||||
if (turnServerUrl) {
|
||||
[self maybeLogMessage:[NSString
|
||||
stringWithFormat:@"TURN server request URL: %@",
|
||||
turnServerUrl]];
|
||||
}
|
||||
|
||||
NSError* error;
|
||||
NSData* pcData = [pcConfig dataUsingEncoding:NSUTF8StringEncoding];
|
||||
- (NSDictionary*)parseJSONData:(NSData*)data {
|
||||
NSError* error = nil;
|
||||
NSDictionary* json =
|
||||
[NSJSONSerialization JSONObjectWithData:pcData options:0 error:&error];
|
||||
[NSJSONSerialization JSONObjectWithData:data options:0 error:&error];
|
||||
NSAssert(!error, @"Unable to parse. %@", error.localizedDescription);
|
||||
NSArray* servers = [json objectForKey:@"iceServers"];
|
||||
NSMutableArray* ICEServers = [NSMutableArray array];
|
||||
for (NSDictionary* server in servers) {
|
||||
NSString* url = [server objectForKey:@"urls"];
|
||||
NSString* username = json[@"username"];
|
||||
NSString* credential = [server objectForKey:@"credential"];
|
||||
if (!username) {
|
||||
username = @"";
|
||||
}
|
||||
if (!credential) {
|
||||
credential = @"";
|
||||
}
|
||||
[self maybeLogMessage:[NSString
|
||||
stringWithFormat:@"url [%@] - credential [%@]",
|
||||
url,
|
||||
credential]];
|
||||
RTCICEServer* ICEServer =
|
||||
return json;
|
||||
}
|
||||
|
||||
- (NSArray*)parseICEServersForPCConfigJSON:(NSDictionary*)pcConfigJSON {
|
||||
NSMutableArray* result = [NSMutableArray array];
|
||||
NSArray* iceServers = pcConfigJSON[@"iceServers"];
|
||||
for (NSDictionary* iceServer in iceServers) {
|
||||
NSString* url = iceServer[@"urls"];
|
||||
NSString* username = pcConfigJSON[@"username"];
|
||||
NSString* credential = iceServer[@"credential"];
|
||||
username = username ? username : @"";
|
||||
credential = credential ? credential : @"";
|
||||
[self logVerbose:[NSString stringWithFormat:@"url [%@] - credential [%@]",
|
||||
url,
|
||||
credential]];
|
||||
RTCICEServer* server =
|
||||
[[RTCICEServer alloc] initWithURI:[NSURL URLWithString:url]
|
||||
username:username
|
||||
password:credential];
|
||||
NSLog(@"Added ICE Server: %@", ICEServer);
|
||||
[ICEServers addObject:ICEServer];
|
||||
[result addObject:server];
|
||||
}
|
||||
[self updateICEServers:ICEServers withTurnServer:turnServerUrl];
|
||||
return result;
|
||||
}
|
||||
|
||||
NSString* mc = [self findVar:@"mediaConstraints" strippingQuotes:NO];
|
||||
if (mc) {
|
||||
error = nil;
|
||||
NSData* mcData = [mc dataUsingEncoding:NSUTF8StringEncoding];
|
||||
json =
|
||||
[NSJSONSerialization JSONObjectWithData:mcData options:0 error:&error];
|
||||
NSAssert(!error, @"Unable to parse. %@", error.localizedDescription);
|
||||
id video = json[@"video"];
|
||||
- (NSURL*)parsePostMessageURLForRoomJSON:(NSDictionary*)roomJSON
|
||||
request:(NSURLRequest*)request {
|
||||
NSString* requestUrl = [[request URL] absoluteString];
|
||||
NSRange queryRange = [requestUrl rangeOfString:@"?"];
|
||||
NSString* baseUrl = [requestUrl substringToIndex:queryRange.location];
|
||||
NSString* roomKey = roomJSON[@"room_key"];
|
||||
NSParameterAssert([roomKey length] > 0);
|
||||
NSString* me = roomJSON[@"me"];
|
||||
NSParameterAssert([me length] > 0);
|
||||
NSString* postMessageUrl =
|
||||
[NSString stringWithFormat:@"%@/message?r=%@&u=%@", baseUrl, roomKey, me];
|
||||
return [NSURL URLWithString:postMessageUrl];
|
||||
}
|
||||
|
||||
- (RTCMediaConstraints*)parseVideoConstraintsForRoomJSON:
|
||||
(NSDictionary*)roomJSON {
|
||||
NSString* mediaConstraints = roomJSON[@"media_constraints"];
|
||||
RTCMediaConstraints* constraints = nil;
|
||||
if ([mediaConstraints length] > 0) {
|
||||
NSData* constraintsData =
|
||||
[mediaConstraints dataUsingEncoding:NSUTF8StringEncoding];
|
||||
NSDictionary* constraintsJSON = [self parseJSONData:constraintsData];
|
||||
id video = constraintsJSON[@"video"];
|
||||
if ([video isKindOfClass:[NSDictionary class]]) {
|
||||
NSDictionary* mandatory = video[@"mandatory"];
|
||||
NSMutableArray* mandatoryContraints =
|
||||
@ -332,22 +226,95 @@
|
||||
value:obj]];
|
||||
}];
|
||||
// TODO(tkchin): figure out json formats for optional constraints.
|
||||
_videoConstraints =
|
||||
constraints =
|
||||
[[RTCMediaConstraints alloc]
|
||||
initWithMandatoryConstraints:mandatoryContraints
|
||||
optionalConstraints:nil];
|
||||
} else if ([video isKindOfClass:[NSNumber class]] && [video boolValue]) {
|
||||
_videoConstraints = [[RTCMediaConstraints alloc] init];
|
||||
constraints = [[RTCMediaConstraints alloc] init];
|
||||
}
|
||||
}
|
||||
return constraints;
|
||||
}
|
||||
|
||||
[self
|
||||
maybeLogMessage:[NSString
|
||||
stringWithFormat:@"About to open GAE with token: %@",
|
||||
self.token]];
|
||||
self.gaeChannel =
|
||||
[[GAEChannelClient alloc] initWithToken:self.token
|
||||
delegate:self.messageHandler];
|
||||
- (void)requestTURNServerWithUrl:(NSString*)turnServerUrl
|
||||
completionHandler:
|
||||
(void (^)(RTCICEServer* turnServer))completionHandler {
|
||||
NSURL* turnServerURL = [NSURL URLWithString:turnServerUrl];
|
||||
NSMutableURLRequest* request =
|
||||
[NSMutableURLRequest requestWithURL:turnServerURL];
|
||||
[request addValue:@"Mozilla/5.0" forHTTPHeaderField:@"user-agent"];
|
||||
[request addValue:@"https://apprtc.appspot.com"
|
||||
forHTTPHeaderField:@"origin"];
|
||||
[self sendURLRequest:request
|
||||
completionHandler:^(NSError* error,
|
||||
NSHTTPURLResponse* response,
|
||||
NSData* responseData) {
|
||||
if (error) {
|
||||
NSLog(@"Unable to get TURN server.");
|
||||
completionHandler(nil);
|
||||
return;
|
||||
}
|
||||
NSDictionary* json = [self parseJSONData:responseData];
|
||||
NSString* username = json[@"username"];
|
||||
NSString* password = json[@"password"];
|
||||
NSArray* uris = json[@"uris"];
|
||||
NSParameterAssert([uris count] > 0);
|
||||
RTCICEServer* turnServer =
|
||||
[[RTCICEServer alloc] initWithURI:[NSURL URLWithString:uris[0]]
|
||||
username:username
|
||||
password:password];
|
||||
completionHandler(turnServer);
|
||||
}];
|
||||
}
|
||||
|
||||
- (void)requestTURNServerForICEServers:(NSArray*)iceServers
|
||||
turnServerUrl:(NSString*)turnServerUrl {
|
||||
BOOL isTurnPresent = NO;
|
||||
for (RTCICEServer* iceServer in iceServers) {
|
||||
if ([[iceServer.URI scheme] isEqualToString:@"turn"]) {
|
||||
isTurnPresent = YES;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!isTurnPresent) {
|
||||
[self requestTURNServerWithUrl:turnServerUrl
|
||||
completionHandler:^(RTCICEServer* turnServer) {
|
||||
NSArray* servers = iceServers;
|
||||
if (turnServer) {
|
||||
servers = [servers arrayByAddingObject:turnServer];
|
||||
}
|
||||
NSLog(@"ICE servers:\n%@", servers);
|
||||
[self.delegate appClient:self didReceiveICEServers:servers];
|
||||
}];
|
||||
} else {
|
||||
NSLog(@"ICE servers:\n%@", iceServers);
|
||||
dispatch_async(dispatch_get_main_queue(), ^{
|
||||
[self.delegate appClient:self didReceiveICEServers:iceServers];
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
- (void)sendURLRequest:(NSURLRequest*)request
|
||||
completionHandler:(void (^)(NSError* error,
|
||||
NSHTTPURLResponse* httpResponse,
|
||||
NSData* responseData))completionHandler {
|
||||
dispatch_async(_backgroundQueue, ^{
|
||||
NSError* error = nil;
|
||||
NSURLResponse* response = nil;
|
||||
NSData* responseData = [NSURLConnection sendSynchronousRequest:request
|
||||
returningResponse:&response
|
||||
error:&error];
|
||||
NSParameterAssert(!response ||
|
||||
[response isKindOfClass:[NSHTTPURLResponse class]]);
|
||||
if (error) {
|
||||
NSLog(@"Failed URL request for:%@\nError:%@", request, error);
|
||||
}
|
||||
dispatch_async(dispatch_get_main_queue(), ^{
|
||||
NSHTTPURLResponse* httpResponse = (NSHTTPURLResponse*)response;
|
||||
completionHandler(error, httpResponse, responseData);
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
@end
|
||||
|
@ -44,6 +44,9 @@
|
||||
// application and AppEngine.
|
||||
@interface GAEChannelClient : NSObject
|
||||
|
||||
- (id)initWithToken:(NSString*)token delegate:(id<GAEMessageHandler>)delegate;
|
||||
@property(nonatomic, weak) id<GAEMessageHandler> delegate;
|
||||
|
||||
- (instancetype)initWithToken:(NSString*)token
|
||||
delegate:(id<GAEMessageHandler>)delegate;
|
||||
|
||||
@end
|
||||
|
@ -47,13 +47,14 @@
|
||||
|
||||
#endif
|
||||
|
||||
@property(nonatomic, assign) id<GAEMessageHandler> delegate;
|
||||
|
||||
@end
|
||||
|
||||
@implementation GAEChannelClient
|
||||
|
||||
- (id)initWithToken:(NSString*)token delegate:(id<GAEMessageHandler>)delegate {
|
||||
- (instancetype)initWithToken:(NSString*)token
|
||||
delegate:(id<GAEMessageHandler>)delegate {
|
||||
NSParameterAssert([token length] > 0);
|
||||
NSParameterAssert(delegate);
|
||||
self = [super init];
|
||||
if (self) {
|
||||
#if TARGET_OS_IPHONE
|
||||
@ -69,7 +70,6 @@
|
||||
NSURL* htmlUrl = [NSURL fileURLWithPath:htmlPath];
|
||||
NSString* path = [NSString
|
||||
stringWithFormat:@"%@?token=%@", [htmlUrl absoluteString], token];
|
||||
|
||||
#if TARGET_OS_IPHONE
|
||||
[_webView
|
||||
#else
|
||||
|
Loading…
x
Reference in New Issue
Block a user