iOS: split EnvoyEngine.h into multiple header files

mobile/library/objective-c/BUILD

@@ -7,18 +7,30 @@ exports_files([
 objc_library(
     name = "envoy_engine_objc_lib",
     srcs = [
+        "EnvoyAliases.h",
+        "EnvoyConfiguration.h",
         "EnvoyConfiguration.m",
         "EnvoyEngineImpl.m",
+        "EnvoyEventTracker.h",
         "EnvoyEventTracker.m",
+        "EnvoyHTTPCallbacks.h",
         "EnvoyHTTPCallbacks.m",
+        "EnvoyHTTPFilter.h",
         "EnvoyHTTPFilter.m",
         "EnvoyHTTPFilterCallbacksImpl.h",
         "EnvoyHTTPFilterCallbacksImpl.m",
+        "EnvoyHTTPFilterFactory.h",
         "EnvoyHTTPFilterFactory.m",
+        "EnvoyHTTPStream.h",
         "EnvoyHTTPStreamImpl.m",
+        "EnvoyKeyValueStore.h",
+        "EnvoyLogger.h",
         "EnvoyLogger.m",
+        "EnvoyNativeFilterConfig.h",
         "EnvoyNativeFilterConfig.m",
+        "EnvoyNetworkMonitor.h",
         "EnvoyNetworkMonitor.m",
+        "EnvoyStringAccessor.h",
         "EnvoyStringAccessor.m",
     ],
     hdrs = [

mobile/library/objective-c/EnvoyAliases.h

@@ -0,0 +1,25 @@
+#import <Foundation/Foundation.h>
+
+#import "library/common/types/c_types.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+/// Return codes for Engine interface. @see /library/common/types/c_types.h
+extern const int kEnvoySuccess;
+extern const int kEnvoyFailure;
+
+/// A set of headers that may be passed to/from an Envoy stream.
+typedef NSDictionary<NSString *, NSArray<NSString *> *> EnvoyHeaders;
+
+typedef NSDictionary<NSString *, NSString *> EnvoyTags;
+
+/// A set of key-value pairs describing an event.
+typedef NSDictionary<NSString *, NSString *> EnvoyEvent;
+
+/// Contains internal HTTP stream metrics, context, and other details.
+typedef envoy_stream_intel EnvoyStreamIntel;
+
+// Contains one time HTTP stream metrics, context, and other details.
+typedef envoy_final_stream_intel EnvoyFinalStreamIntel;
+
+NS_ASSUME_NONNULL_END

mobile/library/objective-c/EnvoyConfiguration.h

@@ -0,0 +1,101 @@
+#import <Foundation/Foundation.h>
+
+@class EnvoyHTTPFilterFactory;
+@class EnvoyNativeFilterConfig;
+@class EnvoyStringAccessor;
+@protocol EnvoyKeyValueStore;
+
+NS_ASSUME_NONNULL_BEGIN
+
+/// Typed configuration that may be used for starting Envoy.
+@interface EnvoyConfiguration : NSObject
+
+@property (nonatomic, assign) BOOL adminInterfaceEnabled;
+@property (nonatomic, strong, nullable) NSString *grpcStatsDomain;
+@property (nonatomic, assign) UInt32 connectTimeoutSeconds;
+@property (nonatomic, assign) UInt32 dnsFailureRefreshSecondsBase;
+@property (nonatomic, assign) UInt32 dnsFailureRefreshSecondsMax;
+@property (nonatomic, assign) UInt32 dnsQueryTimeoutSeconds;
+@property (nonatomic, assign) UInt32 dnsMinRefreshSeconds;
+@property (nonatomic, strong) NSString *dnsPreresolveHostnames;
+@property (nonatomic, assign) UInt32 dnsRefreshSeconds;
+@property (nonatomic, assign) BOOL enableHappyEyeballs;
+@property (nonatomic, assign) BOOL enableGzip;
+@property (nonatomic, assign) BOOL enableBrotli;
+@property (nonatomic, assign) BOOL enableInterfaceBinding;
+@property (nonatomic, assign) BOOL enableDrainPostDnsRefresh;
+@property (nonatomic, assign) BOOL enforceTrustChainVerification;
+@property (nonatomic, assign) BOOL enablePlatformCertificateValidation;
+@property (nonatomic, assign) UInt32 h2ConnectionKeepaliveIdleIntervalMilliseconds;
+@property (nonatomic, assign) UInt32 h2ConnectionKeepaliveTimeoutSeconds;
+@property (nonatomic, assign) BOOL h2ExtendKeepaliveTimeout;
+@property (nonatomic, assign) UInt32 maxConnectionsPerHost;
+@property (nonatomic, assign) UInt32 statsFlushSeconds;
+@property (nonatomic, assign) UInt32 streamIdleTimeoutSeconds;
+@property (nonatomic, assign) UInt32 perTryIdleTimeoutSeconds;
+@property (nonatomic, strong) NSString *appVersion;
+@property (nonatomic, strong) NSString *appId;
+@property (nonatomic, strong) NSString *virtualClusters;
+@property (nonatomic, strong) NSString *directResponseMatchers;
+@property (nonatomic, strong) NSString *directResponses;
+@property (nonatomic, strong) NSArray<EnvoyNativeFilterConfig *> *nativeFilterChain;
+@property (nonatomic, strong) NSArray<EnvoyHTTPFilterFactory *> *httpPlatformFilterFactories;
+@property (nonatomic, strong) NSDictionary<NSString *, EnvoyStringAccessor *> *stringAccessors;
+@property (nonatomic, strong) NSDictionary<NSString *, id<EnvoyKeyValueStore>> *keyValueStores;
+@property (nonatomic, strong) NSArray<NSString *> *statsSinks;
+
+/**
+ Create a new instance of the configuration.
+ */
+- (instancetype)initWithAdminInterfaceEnabled:(BOOL)adminInterfaceEnabled
+                                  GrpcStatsDomain:(nullable NSString *)grpcStatsDomain
+                            connectTimeoutSeconds:(UInt32)connectTimeoutSeconds
+                                dnsRefreshSeconds:(UInt32)dnsRefreshSeconds
+                     dnsFailureRefreshSecondsBase:(UInt32)dnsFailureRefreshSecondsBase
+                      dnsFailureRefreshSecondsMax:(UInt32)dnsFailureRefreshSecondsMax
+                           dnsQueryTimeoutSeconds:(UInt32)dnsQueryTimeoutSeconds
+                             dnsMinRefreshSeconds:(UInt32)dnsMinRefreshSeconds
+                           dnsPreresolveHostnames:(NSString *)dnsPreresolveHostnames
+                              enableHappyEyeballs:(BOOL)enableHappyEyeballs
+                                       enableGzip:(BOOL)enableGzip
+                                     enableBrotli:(BOOL)enableBrotli
+                           enableInterfaceBinding:(BOOL)enableInterfaceBinding
+                        enableDrainPostDnsRefresh:(BOOL)enableDrainPostDnsRefresh
+                    enforceTrustChainVerification:(BOOL)enforceTrustChainVerification
+              enablePlatformCertificateValidation:(BOOL)enablePlatformCertificateValidation
+    h2ConnectionKeepaliveIdleIntervalMilliseconds:
+        (UInt32)h2ConnectionKeepaliveIdleIntervalMilliseconds
+              h2ConnectionKeepaliveTimeoutSeconds:(UInt32)h2ConnectionKeepaliveTimeoutSeconds
+                         h2ExtendKeepaliveTimeout:(BOOL)h2ExtendKeepaliveTimeout
+                            maxConnectionsPerHost:(UInt32)maxConnectionsPerHost
+                                statsFlushSeconds:(UInt32)statsFlushSeconds
+                         streamIdleTimeoutSeconds:(UInt32)streamIdleTimeoutSeconds
+                         perTryIdleTimeoutSeconds:(UInt32)perTryIdleTimeoutSeconds
+                                       appVersion:(NSString *)appVersion
+                                            appId:(NSString *)appId
+                                  virtualClusters:(NSString *)virtualClusters
+                           directResponseMatchers:(NSString *)directResponseMatchers
+                                  directResponses:(NSString *)directResponses
+                                nativeFilterChain:
+                                    (NSArray<EnvoyNativeFilterConfig *> *)nativeFilterChain
+                              platformFilterChain:
+                                  (NSArray<EnvoyHTTPFilterFactory *> *)httpPlatformFilterFactories
+                                  stringAccessors:
+                                      (NSDictionary<NSString *, EnvoyStringAccessor *> *)
+                                          stringAccessors
+                                   keyValueStores:
+                                       (NSDictionary<NSString *, id<EnvoyKeyValueStore>> *)
+                                           keyValueStores
+                                       statsSinks:(NSArray<NSString *> *)statsSinks;
+
+/**
+ Resolves the provided configuration template using properties on this configuration.
+
+ @param templateYAML The template configuration to resolve.
+ @return The resolved template. Nil if the template fails to fully resolve.
+ */
+- (nullable NSString *)resolveTemplate:(NSString *)templateYAML;
+
+@end
+
+NS_ASSUME_NONNULL_END