diff options
author | 2016-11-04 08:21:56 -0700 | |
---|---|---|
committer | 2016-11-04 08:21:56 -0700 | |
commit | 32df467f1189c2b1bc7010b0a99932a7a3fb2684 (patch) | |
tree | 106201276069914dcdcf2d9727047167486887a4 /src/objective-c/GRPCClient/private | |
parent | 41fd9f2343ad39fc6db1b417ee403c976fc4b00f (diff) | |
parent | 852c58e8ae64ccd7361ab0bdc36f3297960c9d5b (diff) |
Merge github.com:grpc/grpc into grpc_slice
Diffstat (limited to 'src/objective-c/GRPCClient/private')
7 files changed, 143 insertions, 187 deletions
diff --git a/src/objective-c/GRPCClient/private/GRPCCompletionQueue.h b/src/objective-c/GRPCClient/private/GRPCCompletionQueue.h index c0bbf22c74..fe3b8f39d1 100644 --- a/src/objective-c/GRPCClient/private/GRPCCompletionQueue.h +++ b/src/objective-c/GRPCClient/private/GRPCCompletionQueue.h @@ -34,19 +34,18 @@ #import <Foundation/Foundation.h> #include <grpc/grpc.h> -typedef void (^GRPCQueueCompletionHandler)(bool success); +typedef void(^GRPCQueueCompletionHandler)(bool success); /** - * This class lets one more easily use |grpc_completion_queue|. To use it, pass - * the value of the |unmanagedQueue| property of an instance of this class to - * |grpc_channel_create_call|. Then for every |grpc_call_*| method that accepts - * a tag, you can pass a block of type |GRPCQueueCompletionHandler| (remembering - * to cast it using |__bridge_retained|). The block is guaranteed to eventually - * be called, by a concurrent queue, and then released. Each such block is + * This class lets one more easily use |grpc_completion_queue|. To use it, pass the value of the + * |unmanagedQueue| property of an instance of this class to |grpc_channel_create_call|. Then for + * every |grpc_call_*| method that accepts a tag, you can pass a block of type + * |GRPCQueueCompletionHandler| (remembering to cast it using |__bridge_retained|). The block is + * guaranteed to eventually be called, by a concurrent queue, and then released. Each such block is * passed a |bool| that tells if the operation was successful. * - * Release the GRPCCompletionQueue object only after you are not going to pass - * any more blocks to the |grpc_call| that's using it. + * Release the GRPCCompletionQueue object only after you are not going to pass any more blocks to + * the |grpc_call| that's using it. */ @interface GRPCCompletionQueue : NSObject @property(nonatomic, readonly) grpc_completion_queue *unmanagedQueue; diff --git a/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.h b/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.h index 941b596d2c..e341b6ef6c 100644 --- a/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.h +++ b/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.h @@ -45,7 +45,7 @@ */ #define GRPC_XMACRO_ITEM(methodName, FlagName) \ - @property(nonatomic, readonly) BOOL methodName; +@property(nonatomic, readonly) BOOL methodName; #include "GRPCReachabilityFlagNames.xmacro.h" #undef GRPC_XMACRO_ITEM @@ -60,19 +60,18 @@ - (nonnull instancetype)init NS_UNAVAILABLE; /** - * Queue on which callbacks will be dispatched. Default is the main queue. Set - * it before calling handleLossWithHandler:. + * Queue on which callbacks will be dispatched. Default is the main queue. Set it before calling + * handleLossWithHandler:. */ // TODO(jcanizales): Default to a serial background queue instead. @property(nonatomic, strong, null_resettable) dispatch_queue_t queue; /** - * Calls handler every time the connectivity to this instance's host is lost. If - * this instance is released before that happens, the handler won't be called. - * Only one handler is active at a time, so if this method is called again - * before the previous handler has been called, it might never be called at all - * (or yes, if it has already been queued). + * Calls handler every time the connectivity to this instance's host is lost. If this instance is + * released before that happens, the handler won't be called. + * Only one handler is active at a time, so if this method is called again before the previous + * handler has been called, it might never be called at all (or yes, if it has already been queued). */ -- (void)handleLossWithHandler:(nonnull void (^)())handler - wifiStatusChangeHandler:(nonnull void (^)())wifiStatusChangeHandler; +- (void)handleLossWithHandler:(nullable void (^)())lossHandler + wifiStatusChangeHandler:(nullable void (^)())wifiStatusChangeHandler; @end diff --git a/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m b/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m index fec6391d39..40afca2d3d 100644 --- a/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m +++ b/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m @@ -58,20 +58,19 @@ } */ -#define GRPC_XMACRO_ITEM(methodName, FlagName) \ - -(BOOL)methodName { \ - return !!(_flags & kSCNetworkReachabilityFlags##FlagName); \ - } +#define GRPC_XMACRO_ITEM(methodName, FlagName) \ +- (BOOL)methodName { \ + return !!(_flags & kSCNetworkReachabilityFlags ## FlagName); \ +} #include "GRPCReachabilityFlagNames.xmacro.h" #undef GRPC_XMACRO_ITEM - (BOOL)isHostReachable { - // Note: connectionOnDemand means it'll be reachable only if using the - // CFSocketStream API or APIs on top of it. - // connectionRequired means we can't tell until a connection is attempted - // (e.g. for VPN on demand). - return self.reachable && !self.interventionRequired && - !self.connectionOnDemand; + // Note: connectionOnDemand means it'll be reachable only if using the CFSocketStream API or APIs + // on top of it. + // connectionRequired means we can't tell until a connection is attempted (e.g. for VPN on + // demand). + return self.reachable && !self.interventionRequired && !self.connectionOnDemand; } - (NSString *)description { @@ -80,9 +79,9 @@ /* * For each flag, add its name to the array if it's ON. Example: - if (self.isCell) { - [activeOptions addObject:@"isCell"]; - } + if (self.isCell) { + [activeOptions addObject:@"isCell"]; + } */ #define GRPC_XMACRO_ITEM(methodName, FlagName) \ @@ -92,14 +91,12 @@ #include "GRPCReachabilityFlagNames.xmacro.h" #undef GRPC_XMACRO_ITEM - return activeOptions.count == 0 - ? @"(none)" - : [activeOptions componentsJoinedByString:@", "]; + return activeOptions.count == 0 ? @"(none)" : [activeOptions componentsJoinedByString:@", "]; } - (BOOL)isEqual:(id)object { return [object isKindOfClass:[GRPCReachabilityFlags class]] && - _flags == ((GRPCReachabilityFlags *)object)->_flags; + _flags == ((GRPCReachabilityFlags *)object)->_flags; } - (NSUInteger)hash { @@ -109,16 +106,15 @@ #pragma mark Connectivity Monitor -// Assumes the third argument is a block that accepts a GRPCReachabilityFlags -// object, and passes the received ones to it. +// Assumes the third argument is a block that accepts a GRPCReachabilityFlags object, and passes the +// received ones to it. static void PassFlagsToContextInfoBlock(SCNetworkReachabilityRef target, SCNetworkReachabilityFlags flags, void *info) { -#pragma unused(target) - // This can be called many times with the same info. The info is retained by - // SCNetworkReachability while this function is being executed. - void (^handler)(GRPCReachabilityFlags *) = - (__bridge void (^)(GRPCReachabilityFlags *))info; + #pragma unused (target) + // This can be called many times with the same info. The info is retained by SCNetworkReachability + // while this function is being executed. + void (^handler)(GRPCReachabilityFlags *) = (__bridge void (^)(GRPCReachabilityFlags *))info; handler([[GRPCReachabilityFlags alloc] initWithFlags:flags]); } @@ -127,8 +123,7 @@ static void PassFlagsToContextInfoBlock(SCNetworkReachabilityRef target, GRPCReachabilityFlags *_previousReachabilityFlags; } -- (nullable instancetype)initWithReachability: - (nullable SCNetworkReachabilityRef)reachability { +- (nullable instancetype)initWithReachability:(nullable SCNetworkReachabilityRef)reachability { if (!reachability) { return nil; } @@ -149,23 +144,23 @@ static void PassFlagsToContextInfoBlock(SCNetworkReachabilityRef target, SCNetworkReachabilityRef reachability = SCNetworkReachabilityCreateWithName(NULL, hostName); - GRPCConnectivityMonitor *returnValue = - [[self alloc] initWithReachability:reachability]; + GRPCConnectivityMonitor *returnValue = [[self alloc] initWithReachability:reachability]; if (reachability) { CFRelease(reachability); } return returnValue; } -- (void)handleLossWithHandler:(void (^)())handler - wifiStatusChangeHandler:(nonnull void (^)())wifiStatusChangeHandler { +- (void)handleLossWithHandler:(nullable void (^)())lossHandler + wifiStatusChangeHandler:(nullable void (^)())wifiStatusChangeHandler { __weak typeof(self) weakSelf = self; [self startListeningWithHandler:^(GRPCReachabilityFlags *flags) { typeof(self) strongSelf = weakSelf; if (strongSelf) { - if (!flags.reachable) { - handler(); - } else if (strongSelf->_previousReachabilityFlags && + if (lossHandler && !flags.reachable) { + lossHandler(); + } else if (wifiStatusChangeHandler && + strongSelf->_previousReachabilityFlags && (flags.isWWAN ^ strongSelf->_previousReachabilityFlags.isWWAN)) { wifiStatusChangeHandler(); @@ -176,19 +171,17 @@ static void PassFlagsToContextInfoBlock(SCNetworkReachabilityRef target, } - (void)startListeningWithHandler:(void (^)(GRPCReachabilityFlags *))handler { - // Copy to ensure the handler block is in the heap (and so can't be - // deallocated when this method returns). + // Copy to ensure the handler block is in the heap (and so can't be deallocated when this method + // returns). void (^copiedHandler)(GRPCReachabilityFlags *) = [handler copy]; SCNetworkReachabilityContext context = { - .version = 0, - .info = (__bridge void *)copiedHandler, - .retain = CFRetain, - .release = CFRelease, + .version = 0, + .info = (__bridge void *)copiedHandler, + .retain = CFRetain, + .release = CFRelease, }; - // The following will retain context.info, and release it when the callback is - // set to NULL. - SCNetworkReachabilitySetCallback(_reachabilityRef, - PassFlagsToContextInfoBlock, &context); + // The following will retain context.info, and release it when the callback is set to NULL. + SCNetworkReachabilitySetCallback(_reachabilityRef, PassFlagsToContextInfoBlock, &context); SCNetworkReachabilitySetDispatchQueue(_reachabilityRef, _queue); } diff --git a/src/objective-c/GRPCClient/private/GRPCHost.m b/src/objective-c/GRPCClient/private/GRPCHost.m index dd0479083d..31065cbf01 100644 --- a/src/objective-c/GRPCClient/private/GRPCHost.m +++ b/src/objective-c/GRPCClient/private/GRPCHost.m @@ -33,9 +33,9 @@ #import "GRPCHost.h" -#import <GRPCClient/GRPCCall.h> #include <grpc/grpc.h> #include <grpc/grpc_security.h> +#import <GRPCClient/GRPCCall.h> #ifdef GRPC_COMPILE_WITH_CRONET #import <GRPCClient/GRPCCall+ChannelArg.h> #import <GRPCClient/GRPCCall+Cronet.h> @@ -48,8 +48,7 @@ NS_ASSUME_NONNULL_BEGIN -// TODO(jcanizales): Generate the version in a standalone header, from -// templates. Like +// TODO(jcanizales): Generate the version in a standalone header, from templates. Like // templates/src/core/surface/version.c.template . #define GRPC_OBJC_VERSION_STRING @"1.0.1" @@ -62,8 +61,7 @@ static NSMutableDictionary *kHostCache; static GRPCConnectivityMonitor *connectivityMonitor = nil; @implementation GRPCHost { - // TODO(mlumish): Investigate whether caching channels with strong links is a - // good idea. + // TODO(mlumish): Investigate whether caching channels with strong links is a good idea. GRPCChannel *_channel; } @@ -83,13 +81,11 @@ static GRPCConnectivityMonitor *connectivityMonitor = nil; return nil; } - // To provide a default port, we try to interpret the address. If it's just a - // host name without scheme and without port, we'll use port 443. If it has a - // scheme, we pass it untouched to the C gRPC library. - // TODO(jcanizales): Add unit tests for the types of addresses we want to let - // pass untouched. - NSURL *hostURL = - [NSURL URLWithString:[@"https://" stringByAppendingString:address]]; + // To provide a default port, we try to interpret the address. If it's just a host name without + // scheme and without port, we'll use port 443. If it has a scheme, we pass it untouched to the C + // gRPC library. + // TODO(jcanizales): Add unit tests for the types of addresses we want to let pass untouched. + NSURL *hostURL = [NSURL URLWithString:[@"https://" stringByAppendingString:address]]; if (hostURL.host && !hostURL.port) { address = [hostURL.host stringByAppendingString:@":443"]; } @@ -99,7 +95,6 @@ static GRPCConnectivityMonitor *connectivityMonitor = nil; dispatch_once(&cacheInitialization, ^{ kHostCache = [NSMutableDictionary dictionary]; }); - @synchronized(kHostCache) { GRPCHost *cachedHost = kHostCache[address]; if (cachedHost) { @@ -137,7 +132,7 @@ static GRPCConnectivityMonitor *connectivityMonitor = nil; } + (void)resetAllHostSettings { - @synchronized(kHostCache) { + @synchronized (kHostCache) { kHostCache = [NSMutableDictionary dictionary]; } } @@ -163,19 +158,16 @@ static GRPCConnectivityMonitor *connectivityMonitor = nil; static NSError *kDefaultRootsError; static dispatch_once_t loading; dispatch_once(&loading, ^{ - NSString *defaultPath = @"gRPCCertificates.bundle/roots"; // .pem - // Do not use NSBundle.mainBundle, as it's nil for tests of library - // projects. + NSString *defaultPath = @"gRPCCertificates.bundle/roots"; // .pem + // Do not use NSBundle.mainBundle, as it's nil for tests of library projects. NSBundle *bundle = [NSBundle bundleForClass:self.class]; NSString *path = [bundle pathForResource:defaultPath ofType:@"pem"]; NSError *error; - // Files in PEM format can have non-ASCII characters in their comments (e.g. - // for the name of the issuer). Load them as UTF8 and produce an ASCII - // equivalent. - NSString *contentInUTF8 = - [NSString stringWithContentsOfFile:path - encoding:NSUTF8StringEncoding - error:&error]; + // Files in PEM format can have non-ASCII characters in their comments (e.g. for the name of the + // issuer). Load them as UTF8 and produce an ASCII equivalent. + NSString *contentInUTF8 = [NSString stringWithContentsOfFile:path + encoding:NSUTF8StringEncoding + error:&error]; if (contentInUTF8 == nil) { kDefaultRootsError = error; return; @@ -193,15 +185,11 @@ static GRPCConnectivityMonitor *connectivityMonitor = nil; if (errorPtr) { *errorPtr = kDefaultRootsError; } - NSAssert(kDefaultRootsASCII, - @"Could not read gRPCCertificates.bundle/roots.pem. This file, " - "with the root certificates, is needed to establish secure " - "(TLS) connections. " - "Because the file is distributed with the gRPC library, this " - "error is usually a sign " - "that the library wasn't configured correctly for your " - "project. Error: %@", - kDefaultRootsError); + NSAssert(kDefaultRootsASCII, @"Could not read gRPCCertificates.bundle/roots.pem. This file, " + "with the root certificates, is needed to establish secure (TLS) connections. " + "Because the file is distributed with the gRPC library, this error is usually a sign " + "that the library wasn't configured correctly for your project. Error: %@", + kDefaultRootsError); return NO; } rootsASCII = kDefaultRootsASCII; @@ -212,12 +200,10 @@ static GRPCConnectivityMonitor *connectivityMonitor = nil; creds = grpc_ssl_credentials_create(rootsASCII.bytes, NULL, NULL); } else { grpc_ssl_pem_key_cert_pair key_cert_pair; - NSData *privateKeyASCII = - [pemPrivateKey dataUsingEncoding:NSASCIIStringEncoding - allowLossyConversion:YES]; - NSData *certChainASCII = - [pemCertChain dataUsingEncoding:NSASCIIStringEncoding - allowLossyConversion:YES]; + NSData *privateKeyASCII = [pemPrivateKey dataUsingEncoding:NSASCIIStringEncoding + allowLossyConversion:YES]; + NSData *certChainASCII = [pemCertChain dataUsingEncoding:NSASCIIStringEncoding + allowLossyConversion:YES]; key_cert_pair.private_key = privateKeyASCII.bytes; key_cert_pair.cert_chain = certChainASCII.bytes; creds = grpc_ssl_credentials_create(rootsASCII.bytes, &key_cert_pair, NULL); @@ -237,8 +223,7 @@ static GRPCConnectivityMonitor *connectivityMonitor = nil; NSMutableDictionary *args = [NSMutableDictionary dictionary]; // TODO(jcanizales): Add OS and device information (see - // https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#user-agents - // ). + // https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#user-agents ). NSString *userAgent = @"grpc-objc/" GRPC_OBJC_VERSION_STRING; if (_userAgentPrefix) { userAgent = [_userAgentPrefix stringByAppendingFormat:@" %@", userAgent]; @@ -252,7 +237,7 @@ static GRPCConnectivityMonitor *connectivityMonitor = nil; if (_responseSizeLimitOverride) { args[@GRPC_ARG_MAX_RECEIVE_MESSAGE_LENGTH] = _responseSizeLimitOverride; } - // Use 10000ms initial backoff time for correct behavior on bad/slow networks + // Use 10000ms initial backoff time for correct behavior on bad/slow networks args[@GRPC_ARG_INITIAL_RECONNECT_BACKOFF_MS] = @10000; return args; } @@ -266,15 +251,12 @@ static GRPCConnectivityMonitor *connectivityMonitor = nil; GRPCChannel *channel; @synchronized(self) { if (_channelCreds == nil) { - [self setTLSPEMRootCerts:nil - withPrivateKey:nil - withCertChain:nil - error:nil]; + [self setTLSPEMRootCerts:nil withPrivateKey:nil withCertChain:nil error:nil]; } #ifdef GRPC_COMPILE_WITH_CRONET if (useCronet) { - channel = - [GRPCChannel secureCronetChannelWithHost:_address channelArgs:args]; + channel = [GRPCChannel secureCronetChannelWithHost:_address + channelArgs:args]; } else #endif { @@ -290,8 +272,7 @@ static GRPCConnectivityMonitor *connectivityMonitor = nil; } - (NSString *)hostName { - // TODO(jcanizales): Default to nil instead of _address when Issue #2635 is - // clarified. + // TODO(jcanizales): Default to nil instead of _address when Issue #2635 is clarified. return _hostNameOverride ?: _address; } diff --git a/src/objective-c/GRPCClient/private/GRPCRequestHeaders.m b/src/objective-c/GRPCClient/private/GRPCRequestHeaders.m index 58c6032e80..c6a03c145e 100644 --- a/src/objective-c/GRPCClient/private/GRPCRequestHeaders.m +++ b/src/objective-c/GRPCClient/private/GRPCRequestHeaders.m @@ -38,10 +38,9 @@ #import "NSDictionary+GRPC.h" // Used by the setter. -static void CheckIsNonNilASCII(NSString *name, NSString *value) { +static void CheckIsNonNilASCII(NSString *name, NSString* value) { if (!value) { - [NSException raise:NSInvalidArgumentException - format:@"%@ cannot be nil", name]; + [NSException raise:NSInvalidArgumentException format:@"%@ cannot be nil", name]; } if (![value canBeConvertedToEncoding:NSASCIIStringEncoding]) { [NSException raise:NSInvalidArgumentException @@ -53,20 +52,15 @@ static void CheckIsNonNilASCII(NSString *name, NSString *value) { static void CheckKeyValuePairIsValid(NSString *key, id value) { if ([key hasSuffix:@"-bin"]) { if (![value isKindOfClass:NSData.class]) { - [NSException - raise:NSInvalidArgumentException - format:@"Expected NSData value for header %@ ending in \"-bin\", " - @"instead got %@", - key, value]; + [NSException raise:NSInvalidArgumentException + format:@"Expected NSData value for header %@ ending in \"-bin\", " + @"instead got %@", key, value]; } } else { if (![value isKindOfClass:NSString.class]) { - [NSException - raise:NSInvalidArgumentException - format: - @"Expected NSString value for header %@ not ending in \"-bin\", " - @"instead got %@", - key, value]; + [NSException raise:NSInvalidArgumentException + format:@"Expected NSString value for header %@ not ending in \"-bin\", " + @"instead got %@", key, value]; } CheckIsNonNilASCII(@"Text header value", (NSString *)value); } @@ -74,10 +68,9 @@ static void CheckKeyValuePairIsValid(NSString *key, id value) { @implementation GRPCRequestHeaders { __weak GRPCCall *_call; - // The NSMutableDictionary superclass doesn't hold any storage (so that people - // can implement their own in subclasses). As that's not the reason we're - // subclassing, we just delegate storage to the default NSMutableDictionary - // subclass returned by the cluster (e.g. __NSDictionaryM on iOS 9). + // The NSMutableDictionary superclass doesn't hold any storage (so that people can implement their + // own in subclasses). As that's not the reason we're subclassing, we just delegate storage to the + // default NSMutableDictionary subclass returned by the cluster (e.g. __NSDictionaryM on iOS 9). NSMutableDictionary *_delegate; } @@ -98,8 +91,7 @@ static void CheckKeyValuePairIsValid(NSString *key, id value) { } // Designated initializer -- (instancetype)initWithCall:(GRPCCall *)call - storage:(NSMutableDictionary *)storage { +- (instancetype)initWithCall:(GRPCCall *)call storage:(NSMutableDictionary *)storage { // TODO(jcanizales): Throw if call or storage are nil. if ((self = [super init])) { _call = call; @@ -108,10 +100,9 @@ static void CheckKeyValuePairIsValid(NSString *key, id value) { return self; } -- (instancetype) -initWithObjects:(const id _Nonnull __unsafe_unretained *)objects - forKeys:(const id<NSCopying> _Nonnull __unsafe_unretained *)keys - count:(NSUInteger)cnt { +- (instancetype)initWithObjects:(const id _Nonnull __unsafe_unretained *)objects + forKeys:(const id<NSCopying> _Nonnull __unsafe_unretained *)keys + count:(NSUInteger)cnt { return [self init]; } @@ -143,7 +134,7 @@ initWithObjects:(const id _Nonnull __unsafe_unretained *)objects return _delegate.count; } -- (NSEnumerator *_Nonnull)keyEnumerator { +- (NSEnumerator * _Nonnull)keyEnumerator { return [_delegate keyEnumerator]; } diff --git a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m index bbda9f2f64..627b6aa86d 100644 --- a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m +++ b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m @@ -34,27 +34,27 @@ #import "GRPCWrappedCall.h" #import <Foundation/Foundation.h> -#include <grpc/byte_buffer.h> #include <grpc/grpc.h> +#include <grpc/byte_buffer.h> #include <grpc/support/alloc.h> #import "GRPCCompletionQueue.h" #import "GRPCHost.h" -#import "NSData+GRPC.h" #import "NSDictionary+GRPC.h" +#import "NSData+GRPC.h" #import "NSError+GRPC.h" @implementation GRPCOperation { - @protected - // Most operation subclasses don't set any flags in the grpc_op, and rely on - // the flag member being initialized to zero. +@protected + // Most operation subclasses don't set any flags in the grpc_op, and rely on the flag member being + // initialized to zero. grpc_op _op; - void (^_handler)(); + void(^_handler)(); } - (void)finish { if (_handler) { - void (^handler)() = _handler; + void(^handler)() = _handler; _handler = nil; handler(); } @@ -101,8 +101,7 @@ - (instancetype)initWithMessage:(NSData *)message handler:(void (^)())handler { if (!message) { - [NSException raise:NSInvalidArgumentException - format:@"message cannot be nil"]; + [NSException raise:NSInvalidArgumentException format:@"message cannot be nil"]; } if (self = [super init]) { _op.op = GRPC_OP_SEND_MESSAGE; @@ -138,11 +137,11 @@ grpc_metadata_array _headers; } -- (instancetype)init { +- (instancetype) init { return [self initWithHandler:nil]; } -- (instancetype)initWithHandler:(void (^)(NSDictionary *))handler { +- (instancetype) initWithHandler:(void (^)(NSDictionary *))handler { if (self = [super init]) { _op.op = GRPC_OP_RECV_INITIAL_METADATA; grpc_metadata_array_init(&_headers); @@ -153,7 +152,7 @@ _handler = ^{ __strong typeof(self) strongSelf = weakSelf; NSDictionary *metadata = [NSDictionary - grpc_dictionaryFromMetadataArray:strongSelf->_headers]; + grpc_dictionaryFromMetadataArray:strongSelf->_headers]; handler(metadata); }; } @@ -167,7 +166,7 @@ @end -@implementation GRPCOpRecvMessage { +@implementation GRPCOpRecvMessage{ grpc_byte_buffer *_receivedMessage; } @@ -193,18 +192,18 @@ @end -@implementation GRPCOpRecvStatus { +@implementation GRPCOpRecvStatus{ grpc_status_code _statusCode; char *_details; size_t _detailsCapacity; grpc_metadata_array _trailers; } -- (instancetype)init { +- (instancetype) init { return [self initWithHandler:nil]; } -- (instancetype)initWithHandler:(void (^)(NSError *, NSDictionary *))handler { +- (instancetype) initWithHandler:(void (^)(NSError *, NSDictionary *))handler { if (self = [super init]) { _op.op = GRPC_OP_RECV_STATUS_ON_CLIENT; _op.data.recv_status_on_client.status = &_statusCode; @@ -217,11 +216,10 @@ __weak typeof(self) weakSelf = self; _handler = ^{ __strong typeof(self) strongSelf = weakSelf; - NSError *error = - [NSError grpc_errorFromStatusCode:strongSelf->_statusCode - details:strongSelf->_details]; + NSError *error = [NSError grpc_errorFromStatusCode:strongSelf->_statusCode + details:strongSelf->_details]; NSDictionary *trailers = [NSDictionary - grpc_dictionaryFromMetadataArray:strongSelf->_trailers]; + grpc_dictionaryFromMetadataArray:strongSelf->_trailers]; handler(error, trailers); }; } @@ -247,21 +245,20 @@ return [self initWithHost:nil path:nil]; } -- (instancetype)initWithHost:(NSString *)host path:(NSString *)path { +- (instancetype)initWithHost:(NSString *)host + path:(NSString *)path { if (!path || !host) { [NSException raise:NSInvalidArgumentException format:@"path and host cannot be nil."]; } if (self = [super init]) { - // Each completion queue consumes one thread. There's a trade to be made - // between creating and consuming too many threads and having contention of - // multiple calls in a single completion queue. Currently we use a singleton - // queue. + // Each completion queue consumes one thread. There's a trade to be made between creating and + // consuming too many threads and having contention of multiple calls in a single completion + // queue. Currently we use a singleton queue. _queue = [GRPCCompletionQueue completionQueue]; - _call = [[GRPCHost hostWithAddress:host] unmanagedCallWithPath:path - completionQueue:_queue]; + _call = [[GRPCHost hostWithAddress:host] unmanagedCallWithPath:path completionQueue:_queue]; if (_call == NULL) { return nil; } @@ -273,35 +270,32 @@ [self startBatchWithOperations:operations errorHandler:nil]; } -- (void)startBatchWithOperations:(NSArray *)operations - errorHandler:(void (^)())errorHandler { +- (void)startBatchWithOperations:(NSArray *)operations errorHandler:(void (^)())errorHandler { size_t nops = operations.count; grpc_op *ops_array = gpr_malloc(nops * sizeof(grpc_op)); size_t i = 0; for (GRPCOperation *operation in operations) { ops_array[i++] = operation.op; } - grpc_call_error error = grpc_call_start_batch( - _call, ops_array, nops, (__bridge_retained void *)(^(bool success) { - if (!success) { - if (errorHandler) { - errorHandler(); - } else { - return; - } - } - for (GRPCOperation *operation in operations) { - [operation finish]; - } - }), - NULL); + grpc_call_error error = grpc_call_start_batch(_call, ops_array, nops, + (__bridge_retained void *)(^(bool success){ + if (!success) { + if (errorHandler) { + errorHandler(); + } else { + return; + } + } + for (GRPCOperation *operation in operations) { + [operation finish]; + } + }), NULL); gpr_free(ops_array); if (error != GRPC_CALL_OK) { [NSException raise:NSInternalInconsistencyException - format:@"A precondition for calling grpc_call_start_batch " - @"wasn't met. Error %i", - error]; + format:@"A precondition for calling grpc_call_start_batch wasn't met. Error %i", + error]; } } diff --git a/src/objective-c/GRPCClient/private/NSError+GRPC.h b/src/objective-c/GRPCClient/private/NSError+GRPC.h index a9a321470c..e0c1efc1f9 100644 --- a/src/objective-c/GRPCClient/private/NSError+GRPC.h +++ b/src/objective-c/GRPCClient/private/NSError+GRPC.h @@ -36,9 +36,8 @@ @interface NSError (GRPC) /** - * Returns nil if the status code is OK. Otherwise, a NSError whose code is one - * of |GRPCErrorCode| and whose domain is |kGRPCErrorDomain|. + * Returns nil if the status code is OK. Otherwise, a NSError whose code is one of |GRPCErrorCode| + * and whose domain is |kGRPCErrorDomain|. */ -+ (instancetype)grpc_errorFromStatusCode:(grpc_status_code)statusCode - details:(char *)details; ++ (instancetype)grpc_errorFromStatusCode:(grpc_status_code)statusCode details:(char *)details; @end |