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-rw-r--r--src/objective-c/GRPCClient/GRPCCall.h4
-rw-r--r--src/objective-c/GRPCClient/GRPCCall.m10
-rw-r--r--src/objective-c/GRPCClient/private/GRPCMethodName+HTTP2Encoding.h40
-rw-r--r--src/objective-c/GRPCClient/private/GRPCMethodName+HTTP2Encoding.m44
-rw-r--r--src/objective-c/GRPCClient/private/GRPCWrappedCall.h2
-rw-r--r--src/objective-c/GRPCClient/private/GRPCWrappedCall.m8
-rw-r--r--src/objective-c/ProtoRPC/ProtoMethod.h (renamed from src/objective-c/GRPCClient/GRPCMethodName.h)17
-rw-r--r--src/objective-c/ProtoRPC/ProtoMethod.m (renamed from src/objective-c/GRPCClient/GRPCMethodName.m)16
-rw-r--r--src/objective-c/ProtoRPC/ProtoRPC.h4
-rw-r--r--src/objective-c/ProtoRPC/ProtoRPC.m17
-rw-r--r--src/objective-c/ProtoRPC/ProtoService.m8
-rw-r--r--src/objective-c/tests/GRPCClientTests.m34
-rw-r--r--src/objective-c/tests/LocalClearTextTests.m18
13 files changed, 72 insertions, 150 deletions
diff --git a/src/objective-c/GRPCClient/GRPCCall.h b/src/objective-c/GRPCClient/GRPCCall.h
index 33aae10747..cba53fa2f6 100644
--- a/src/objective-c/GRPCClient/GRPCCall.h
+++ b/src/objective-c/GRPCClient/GRPCCall.h
@@ -48,8 +48,6 @@
#import <Foundation/Foundation.h>
#import <RxLibrary/GRXWriter.h>
-@class GRPCMethodName;
-
// Key used in |NSError|'s |userInfo| dictionary to store the response metadata sent by the server.
extern id const kGRPCStatusMetadataKey;
@@ -90,7 +88,7 @@ extern id const kGRPCStatusMetadataKey;
// the specific remote method called).
// To finish a call right away, invoke cancel.
- (instancetype)initWithHost:(NSString *)host
- method:(GRPCMethodName *)method
+ path:(NSString *)path
requestsWriter:(id<GRXWriter>)requestsWriter NS_DESIGNATED_INITIALIZER;
// Finishes the request side of this call, notifies the server that the RPC
diff --git a/src/objective-c/GRPCClient/GRPCCall.m b/src/objective-c/GRPCClient/GRPCCall.m
index 77eebeff76..4ac4e4d37f 100644
--- a/src/objective-c/GRPCClient/GRPCCall.m
+++ b/src/objective-c/GRPCClient/GRPCCall.m
@@ -36,11 +36,9 @@
#include <grpc/grpc.h>
#include <grpc/support/time.h>
-#import "GRPCMethodName.h"
#import "private/GRPCChannel.h"
#import "private/GRPCCompletionQueue.h"
#import "private/GRPCDelegateWrapper.h"
-#import "private/GRPCMethodName+HTTP2Encoding.h"
#import "private/GRPCWrappedCall.h"
#import "private/NSData+GRPC.h"
#import "private/NSDictionary+GRPC.h"
@@ -90,14 +88,14 @@ NSString * const kGRPCStatusMetadataKey = @"io.grpc.StatusMetadataKey";
@synthesize state = _state;
- (instancetype)init {
- return [self initWithHost:nil method:nil requestsWriter:nil];
+ return [self initWithHost:nil path:nil requestsWriter:nil];
}
// Designated initializer
- (instancetype)initWithHost:(NSString *)host
- method:(GRPCMethodName *)method
+ path:(NSString *)path
requestsWriter:(id<GRXWriter>)requestWriter {
- if (!host || !method) {
+ if (!host || !path) {
[NSException raise:NSInvalidArgumentException format:@"Neither host nor method can be nil."];
}
if (requestWriter.state != GRXWriterStateNotStarted) {
@@ -114,7 +112,7 @@ NSString * const kGRPCStatusMetadataKey = @"io.grpc.StatusMetadataKey";
_channel = [GRPCChannel channelToHost:host];
_wrappedCall = [[GRPCWrappedCall alloc] initWithChannel:_channel
- method:method.HTTP2Path
+ path:path
host:host];
// Serial queue to invoke the non-reentrant methods of the grpc_call object.
diff --git a/src/objective-c/GRPCClient/private/GRPCMethodName+HTTP2Encoding.h b/src/objective-c/GRPCClient/private/GRPCMethodName+HTTP2Encoding.h
deleted file mode 100644
index 81c80f2a49..0000000000
--- a/src/objective-c/GRPCClient/private/GRPCMethodName+HTTP2Encoding.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- *
- * Copyright 2015, 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.
- *
- */
-
-#import <Foundation/Foundation.h>
-
-#import "GRPCClient/GRPCMethodName.h"
-
-@interface GRPCMethodName (HTTP2Encoding)
-- (NSString *)HTTP2Path;
-@end
diff --git a/src/objective-c/GRPCClient/private/GRPCMethodName+HTTP2Encoding.m b/src/objective-c/GRPCClient/private/GRPCMethodName+HTTP2Encoding.m
deleted file mode 100644
index 3ad757fb29..0000000000
--- a/src/objective-c/GRPCClient/private/GRPCMethodName+HTTP2Encoding.m
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- *
- * Copyright 2015, 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.
- *
- */
-
-#import "GRPCMethodName+HTTP2Encoding.h"
-
-@implementation GRPCMethodName (HTTP2Encoding)
-- (NSString *)HTTP2Path {
- if (self.package) {
- return [NSString stringWithFormat:@"/%@.%@/%@", self.package, self.interface, self.method];
- } else {
- return [NSString stringWithFormat:@"/%@/%@", self.interface, self.method];
- }
-}
-@end
diff --git a/src/objective-c/GRPCClient/private/GRPCWrappedCall.h b/src/objective-c/GRPCClient/private/GRPCWrappedCall.h
index c08aefc6a8..18f8bb5531 100644
--- a/src/objective-c/GRPCClient/private/GRPCWrappedCall.h
+++ b/src/objective-c/GRPCClient/private/GRPCWrappedCall.h
@@ -84,7 +84,7 @@
@interface GRPCWrappedCall : NSObject
- (instancetype)initWithChannel:(GRPCChannel *)channel
- method:(NSString *)method
+ path:(NSString *)path
host:(NSString *)host NS_DESIGNATED_INITIALIZER;
- (void)startBatchWithOperations:(NSArray *)ops errorHandler:(void(^)())errorHandler;
diff --git a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
index d94b25091e..45f10f5d63 100644
--- a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
+++ b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
@@ -225,13 +225,13 @@
}
- (instancetype)init {
- return [self initWithChannel:nil method:nil host:nil];
+ return [self initWithChannel:nil path:nil host:nil];
}
- (instancetype)initWithChannel:(GRPCChannel *)channel
- method:(NSString *)method
+ path:(NSString *)path
host:(NSString *)host {
- if (!channel || !method || !host) {
+ if (!channel || !path || !host) {
[NSException raise:NSInvalidArgumentException
format:@"channel, method, and host cannot be nil."];
}
@@ -247,7 +247,7 @@
return nil;
}
_call = grpc_channel_create_call(channel.unmanagedChannel, _queue.unmanagedQueue,
- method.UTF8String, host.UTF8String, gpr_inf_future);
+ path.UTF8String, host.UTF8String, gpr_inf_future);
if (_call == NULL) {
return nil;
}
diff --git a/src/objective-c/GRPCClient/GRPCMethodName.h b/src/objective-c/ProtoRPC/ProtoMethod.h
index fe153dd478..8f554a0483 100644
--- a/src/objective-c/GRPCClient/GRPCMethodName.h
+++ b/src/objective-c/ProtoRPC/ProtoMethod.h
@@ -33,17 +33,16 @@
#import <Foundation/Foundation.h>
-// See the README file for an introduction to this library.
-
-// A fully-qualified gRPC method name. Full qualification is needed because a gRPC endpoint can
-// implement multiple interfaces.
-// TODO(jcanizales): Move to ProtoRPC package.
-// TODO(jcanizales): Rename interface -> service.
-@interface GRPCMethodName : NSObject
+// A fully-qualified proto service method name. Full qualification is needed because a gRPC endpoint
+// can implement multiple services.
+@interface ProtoMethod : NSObject
@property(nonatomic, readonly) NSString *package;
-@property(nonatomic, readonly) NSString *interface;
+@property(nonatomic, readonly) NSString *service;
@property(nonatomic, readonly) NSString *method;
+
+@property(nonatomic, readonly) NSString *HTTPPath;
+
- (instancetype)initWithPackage:(NSString *)package
- interface:(NSString *)interface
+ service:(NSString *)service
method:(NSString *)method;
@end
diff --git a/src/objective-c/GRPCClient/GRPCMethodName.m b/src/objective-c/ProtoRPC/ProtoMethod.m
index 96724073a5..1113b4fbaa 100644
--- a/src/objective-c/GRPCClient/GRPCMethodName.m
+++ b/src/objective-c/ProtoRPC/ProtoMethod.m
@@ -31,17 +31,25 @@
*
*/
-#import "GRPCMethodName.h"
+#import "ProtoMethod.h"
-@implementation GRPCMethodName
+@implementation ProtoMethod
- (instancetype)initWithPackage:(NSString *)package
- interface:(NSString *)interface
+ service:(NSString *)service
method:(NSString *)method {
if ((self = [super init])) {
_package = [package copy];
- _interface = [interface copy];
+ _service = [service copy];
_method = [method copy];
}
return self;
}
+
+- (NSString *)HTTPPath {
+ if (_package) {
+ return [NSString stringWithFormat:@"/%@.%@/%@", _package, _service, _method];
+ } else {
+ return [NSString stringWithFormat:@"/%@/%@", _service, _method];
+ }
+}
@end
diff --git a/src/objective-c/ProtoRPC/ProtoRPC.h b/src/objective-c/ProtoRPC/ProtoRPC.h
index a383310619..fcc0a507fe 100644
--- a/src/objective-c/ProtoRPC/ProtoRPC.h
+++ b/src/objective-c/ProtoRPC/ProtoRPC.h
@@ -34,10 +34,12 @@
#import <Foundation/Foundation.h>
#import <GRPCClient/GRPCCall.h>
+#import "ProtoMethod.h"
+
@interface ProtoRPC : GRPCCall
- (instancetype)initWithHost:(NSString *)host
- method:(GRPCMethodName *)method
+ method:(ProtoMethod *)method
requestsWriter:(id<GRXWriter>)requestsWriter
responseClass:(Class)responseClass
responsesWriteable:(id<GRXWriteable>)responsesWriteable NS_DESIGNATED_INITIALIZER;
diff --git a/src/objective-c/ProtoRPC/ProtoRPC.m b/src/objective-c/ProtoRPC/ProtoRPC.m
index 4da646d7b4..fe3ccf0541 100644
--- a/src/objective-c/ProtoRPC/ProtoRPC.m
+++ b/src/objective-c/ProtoRPC/ProtoRPC.m
@@ -42,19 +42,20 @@
id<GRXWriteable> _responseWriteable;
}
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wobjc-designated-initializers"
- (instancetype)initWithHost:(NSString *)host
- method:(GRPCMethodName *)method
+ path:(NSString *)path
requestsWriter:(id<GRXWriter>)requestsWriter {
- return [self initWithHost:host
- method:method
- requestsWriter:requestsWriter
- responseClass:nil
- responsesWriteable:nil];
+ [NSException raise:NSInvalidArgumentException
+ format:@"Please use ProtoRPC's designated initializer instead."];
+ return nil;
}
+#pragma clang diagnostic pop
// Designated initializer
- (instancetype)initWithHost:(NSString *)host
- method:(GRPCMethodName *)method
+ method:(ProtoMethod *)method
requestsWriter:(id<GRXWriter>)requestsWriter
responseClass:(Class)responseClass
responsesWriteable:(id<GRXWriteable>)responsesWriteable {
@@ -70,7 +71,7 @@
// sending GPBMessages.
return [proto data];
}];
- if ((self = [super initWithHost:host method:method requestsWriter:bytesWriter])) {
+ if ((self = [super initWithHost:host path:method.HTTPPath requestsWriter:bytesWriter])) {
// A writeable that parses the proto messages received.
_responseWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
[responsesWriteable writeValue:[responseClass parseFromData:value error:NULL]];
diff --git a/src/objective-c/ProtoRPC/ProtoService.m b/src/objective-c/ProtoRPC/ProtoService.m
index 47bdb5dc6e..d7c5b6a850 100644
--- a/src/objective-c/ProtoRPC/ProtoService.m
+++ b/src/objective-c/ProtoRPC/ProtoService.m
@@ -33,10 +33,10 @@
#import "ProtoService.h"
-#import <GRPCClient/GRPCMethodName.h>
#import <RxLibrary/GRXWriteable.h>
#import <RxLibrary/GRXWriter.h>
+#import "ProtoMethod.h"
#import "ProtoRPC.h"
@implementation ProtoService {
@@ -69,9 +69,9 @@
requestsWriter:(id<GRXWriter>)requestsWriter
responseClass:(Class)responseClass
responsesWriteable:(id<GRXWriteable>)responsesWriteable {
- GRPCMethodName *methodName = [[GRPCMethodName alloc] initWithPackage:_packageName
- interface:_serviceName
- method:method];
+ ProtoMethod *methodName = [[ProtoMethod alloc] initWithPackage:_packageName
+ service:_serviceName
+ method:method];
return [[ProtoRPC alloc] initWithHost:_host
method:methodName
requestsWriter:requestsWriter
diff --git a/src/objective-c/tests/GRPCClientTests.m b/src/objective-c/tests/GRPCClientTests.m
index e421127ea1..f9c2d5d8d6 100644
--- a/src/objective-c/tests/GRPCClientTests.m
+++ b/src/objective-c/tests/GRPCClientTests.m
@@ -35,7 +35,7 @@
#import <XCTest/XCTest.h>
#import <GRPCClient/GRPCCall.h>
-#import <GRPCClient/GRPCMethodName.h>
+#import <ProtoRPC/ProtoMethod.h>
#import <RemoteTest/Messages.pbobjc.h>
#import <RxLibrary/GRXWriteable.h>
#import <RxLibrary/GRXWriter+Immediate.h>
@@ -47,9 +47,9 @@ static NSString * const kHostAddress = @"grpc-test.sandbox.google.com";
static NSString * const kPackage = @"grpc.testing";
static NSString * const kService = @"TestService";
-static GRPCMethodName *kInexistentMethod;
-static GRPCMethodName *kEmptyCallMethod;
-static GRPCMethodName *kUnaryCallMethod;
+static ProtoMethod *kInexistentMethod;
+static ProtoMethod *kEmptyCallMethod;
+static ProtoMethod *kUnaryCallMethod;
@interface GRPCClientTests : XCTestCase
@end
@@ -58,22 +58,22 @@ static GRPCMethodName *kUnaryCallMethod;
- (void)setUp {
// This method isn't implemented by the remote server.
- kInexistentMethod = [[GRPCMethodName alloc] initWithPackage:kPackage
- interface:kService
- method:@"Inexistent"];
- kEmptyCallMethod = [[GRPCMethodName alloc] initWithPackage:kPackage
- interface:kService
- method:@"EmptyCall"];
- kUnaryCallMethod = [[GRPCMethodName alloc] initWithPackage:kPackage
- interface:kService
- method:@"UnaryCall"];
+ kInexistentMethod = [[ProtoMethod alloc] initWithPackage:kPackage
+ service:kService
+ method:@"Inexistent"];
+ kEmptyCallMethod = [[ProtoMethod alloc] initWithPackage:kPackage
+ service:kService
+ method:@"EmptyCall"];
+ kUnaryCallMethod = [[ProtoMethod alloc] initWithPackage:kPackage
+ service:kService
+ method:@"UnaryCall"];
}
- (void)testConnectionToRemoteServer {
__weak XCTestExpectation *expectation = [self expectationWithDescription:@"Server reachable."];
GRPCCall *call = [[GRPCCall alloc] initWithHost:kHostAddress
- method:kInexistentMethod
+ path:kInexistentMethod.HTTPPath
requestsWriter:[GRXWriter writerWithValue:[NSData data]]];
id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
@@ -95,7 +95,7 @@ static GRPCMethodName *kUnaryCallMethod;
__weak XCTestExpectation *completion = [self expectationWithDescription:@"Empty RPC completed."];
GRPCCall *call = [[GRPCCall alloc] initWithHost:kHostAddress
- method:kEmptyCallMethod
+ path:kEmptyCallMethod.HTTPPath
requestsWriter:[GRXWriter writerWithValue:[NSData data]]];
id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
@@ -123,7 +123,7 @@ static GRPCMethodName *kUnaryCallMethod;
id<GRXWriter> requestsWriter = [GRXWriter writerWithValue:[request data]];
GRPCCall *call = [[GRPCCall alloc] initWithHost:kHostAddress
- method:kUnaryCallMethod
+ path:kUnaryCallMethod.HTTPPath
requestsWriter:requestsWriter];
id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
@@ -153,7 +153,7 @@ static GRPCMethodName *kUnaryCallMethod;
id<GRXWriter> requestsWriter = [GRXWriter writerWithValue:[request data]];
GRPCCall *call = [[GRPCCall alloc] initWithHost:kHostAddress
- method:kUnaryCallMethod
+ path:kUnaryCallMethod.HTTPPath
requestsWriter:requestsWriter];
call.requestMetadata[@"Authorization"] = @"Bearer bogusToken";
diff --git a/src/objective-c/tests/LocalClearTextTests.m b/src/objective-c/tests/LocalClearTextTests.m
index 05cc10410a..10c9f13ea3 100644
--- a/src/objective-c/tests/LocalClearTextTests.m
+++ b/src/objective-c/tests/LocalClearTextTests.m
@@ -35,7 +35,7 @@
#import <XCTest/XCTest.h>
#import <GRPCClient/GRPCCall.h>
-#import <GRPCClient/GRPCMethodName.h>
+#import <ProtoRPC/ProtoMethod.h>
#import <RouteGuide/RouteGuide.pbobjc.h>
#import <RouteGuide/RouteGuide.pbrpc.h>
#import <RxLibrary/GRXWriteable.h>
@@ -87,14 +87,14 @@ static NSString * const kService = @"RouteGuide";
__weak XCTestExpectation *response = [self expectationWithDescription:@"Empty response received."];
__weak XCTestExpectation *completion = [self expectationWithDescription:@"Empty RPC completed."];
- GRPCMethodName *method = [[GRPCMethodName alloc] initWithPackage:kPackage
- interface:kService
- method:@"RecordRoute"];
+ ProtoMethod *method = [[ProtoMethod alloc] initWithPackage:kPackage
+ service:kService
+ method:@"RecordRoute"];
id<GRXWriter> requestsWriter = [GRXWriter emptyWriter];
GRPCCall *call = [[GRPCCall alloc] initWithHost:kRouteGuideHost
- method:method
+ path:method.HTTPPath
requestsWriter:requestsWriter];
id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {
@@ -115,9 +115,9 @@ static NSString * const kService = @"RouteGuide";
__weak XCTestExpectation *response = [self expectationWithDescription:@"Response received."];
__weak XCTestExpectation *completion = [self expectationWithDescription:@"RPC completed."];
- GRPCMethodName *method = [[GRPCMethodName alloc] initWithPackage:kPackage
- interface:kService
- method:@"GetFeature"];
+ ProtoMethod *method = [[ProtoMethod alloc] initWithPackage:kPackage
+ service:kService
+ method:@"GetFeature"];
RGDPoint *point = [RGDPoint message];
point.latitude = 28E7;
@@ -125,7 +125,7 @@ static NSString * const kService = @"RouteGuide";
id<GRXWriter> requestsWriter = [GRXWriter writerWithValue:[point data]];
GRPCCall *call = [[GRPCCall alloc] initWithHost:kRouteGuideHost
- method:method
+ path:method.HTTPPath
requestsWriter:requestsWriter];
id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {