From 23677bd827f6e749b4a3e2bec73eea40dece565e Mon Sep 17 00:00:00 2001 From: Juanli Shen Date: Tue, 8 Jan 2019 17:41:23 -0800 Subject: Remove subchannel args --- .../client_channel/client_channel_factory.cc | 2 +- .../client_channel/client_channel_factory.h | 4 +- .../client_channel/lb_policy/subchannel_list.h | 5 +-- src/core/ext/filters/client_channel/subchannel.cc | 11 +++--- src/core/ext/filters/client_channel/subchannel.h | 10 +---- .../ext/filters/client_channel/subchannel_index.cc | 15 ++++---- .../ext/filters/client_channel/subchannel_index.h | 3 +- .../chttp2/client/insecure/channel_create.cc | 10 ++--- .../chttp2/client/secure/secure_channel_create.cc | 44 +++++++++------------- test/cpp/microbenchmarks/bm_call_create.cc | 2 +- 10 files changed, 40 insertions(+), 66 deletions(-) diff --git a/src/core/ext/filters/client_channel/client_channel_factory.cc b/src/core/ext/filters/client_channel/client_channel_factory.cc index 172e9f03c7..130bbe0418 100644 --- a/src/core/ext/filters/client_channel/client_channel_factory.cc +++ b/src/core/ext/filters/client_channel/client_channel_factory.cc @@ -30,7 +30,7 @@ void grpc_client_channel_factory_unref(grpc_client_channel_factory* factory) { } grpc_subchannel* grpc_client_channel_factory_create_subchannel( - grpc_client_channel_factory* factory, const grpc_subchannel_args* args) { + grpc_client_channel_factory* factory, const grpc_channel_args* args) { return factory->vtable->create_subchannel(factory, args); } diff --git a/src/core/ext/filters/client_channel/client_channel_factory.h b/src/core/ext/filters/client_channel/client_channel_factory.h index 601ec46b2a..91dec12282 100644 --- a/src/core/ext/filters/client_channel/client_channel_factory.h +++ b/src/core/ext/filters/client_channel/client_channel_factory.h @@ -49,7 +49,7 @@ struct grpc_client_channel_factory_vtable { void (*ref)(grpc_client_channel_factory* factory); void (*unref)(grpc_client_channel_factory* factory); grpc_subchannel* (*create_subchannel)(grpc_client_channel_factory* factory, - const grpc_subchannel_args* args); + const grpc_channel_args* args); grpc_channel* (*create_client_channel)(grpc_client_channel_factory* factory, const char* target, grpc_client_channel_type type, @@ -61,7 +61,7 @@ void grpc_client_channel_factory_unref(grpc_client_channel_factory* factory); /** Create a new grpc_subchannel */ grpc_subchannel* grpc_client_channel_factory_create_subchannel( - grpc_client_channel_factory* factory, const grpc_subchannel_args* args); + grpc_client_channel_factory* factory, const grpc_channel_args* args); /** Create a new grpc_channel */ grpc_channel* grpc_client_channel_factory_create_channel( diff --git a/src/core/ext/filters/client_channel/lb_policy/subchannel_list.h b/src/core/ext/filters/client_channel/lb_policy/subchannel_list.h index 6f31a643c1..1d0ecbe3f6 100644 --- a/src/core/ext/filters/client_channel/lb_policy/subchannel_list.h +++ b/src/core/ext/filters/client_channel/lb_policy/subchannel_list.h @@ -509,12 +509,10 @@ SubchannelList::SubchannelList( GRPC_ARG_SERVER_ADDRESS_LIST, GRPC_ARG_INHIBIT_HEALTH_CHECKING}; // Create a subchannel for each address. - grpc_subchannel_args sc_args; for (size_t i = 0; i < addresses.size(); i++) { // If there were any balancer addresses, we would have chosen grpclb // policy, which does not use a SubchannelList. GPR_ASSERT(!addresses[i].IsBalancer()); - memset(&sc_args, 0, sizeof(grpc_subchannel_args)); InlinedVector args_to_add; args_to_add.emplace_back( grpc_create_subchannel_address_arg(&addresses[i].address())); @@ -527,9 +525,8 @@ SubchannelList::SubchannelList( &args, keys_to_remove, GPR_ARRAY_SIZE(keys_to_remove), args_to_add.data(), args_to_add.size()); gpr_free(args_to_add[0].value.string); - sc_args.args = new_args; grpc_subchannel* subchannel = grpc_client_channel_factory_create_subchannel( - client_channel_factory, &sc_args); + client_channel_factory, new_args); grpc_channel_args_destroy(new_args); if (subchannel == nullptr) { // Subchannel could not be created. diff --git a/src/core/ext/filters/client_channel/subchannel.cc b/src/core/ext/filters/client_channel/subchannel.cc index dff213efc6..640a052e91 100644 --- a/src/core/ext/filters/client_channel/subchannel.cc +++ b/src/core/ext/filters/client_channel/subchannel.cc @@ -537,7 +537,7 @@ struct HealthCheckParams { } // namespace grpc_core grpc_subchannel* grpc_subchannel_create(grpc_connector* connector, - const grpc_subchannel_args* args) { + const grpc_channel_args* args) { grpc_subchannel_key* key = grpc_subchannel_key_create(args); grpc_subchannel* c = grpc_subchannel_index_find(key); if (c) { @@ -554,11 +554,10 @@ grpc_subchannel* grpc_subchannel_create(grpc_connector* connector, c->pollset_set = grpc_pollset_set_create(); grpc_resolved_address* addr = static_cast(gpr_malloc(sizeof(*addr))); - grpc_get_subchannel_address_arg(args->args, addr); + grpc_get_subchannel_address_arg(args, addr); grpc_resolved_address* new_address = nullptr; grpc_channel_args* new_args = nullptr; - if (grpc_proxy_mappers_map_address(addr, args->args, &new_address, - &new_args)) { + if (grpc_proxy_mappers_map_address(addr, args, &new_address, &new_args)) { GPR_ASSERT(new_address != nullptr); gpr_free(addr); addr = new_address; @@ -567,7 +566,7 @@ grpc_subchannel* grpc_subchannel_create(grpc_connector* connector, grpc_arg new_arg = grpc_create_subchannel_address_arg(addr); gpr_free(addr); c->args = grpc_channel_args_copy_and_add_and_remove( - new_args != nullptr ? new_args : args->args, keys_to_remove, + new_args != nullptr ? new_args : args, keys_to_remove, GPR_ARRAY_SIZE(keys_to_remove), &new_arg, 1); gpr_free(new_arg.value.string); if (new_args != nullptr) grpc_channel_args_destroy(new_args); @@ -580,7 +579,7 @@ grpc_subchannel* grpc_subchannel_create(grpc_connector* connector, grpc_connectivity_state_init(&c->state_and_health_tracker, GRPC_CHANNEL_IDLE, "subchannel"); grpc_core::BackOff::Options backoff_options; - parse_args_for_backoff_values(args->args, &backoff_options, + parse_args_for_backoff_values(args, &backoff_options, &c->min_connect_timeout_ms); c->backoff.Init(backoff_options); gpr_mu_init(&c->mu); diff --git a/src/core/ext/filters/client_channel/subchannel.h b/src/core/ext/filters/client_channel/subchannel.h index d0c0a672fa..8c994c64f5 100644 --- a/src/core/ext/filters/client_channel/subchannel.h +++ b/src/core/ext/filters/client_channel/subchannel.h @@ -38,7 +38,6 @@ address. Provides a target for load balancing. */ typedef struct grpc_subchannel grpc_subchannel; typedef struct grpc_subchannel_call grpc_subchannel_call; -typedef struct grpc_subchannel_args grpc_subchannel_args; typedef struct grpc_subchannel_key grpc_subchannel_key; #ifndef NDEBUG @@ -186,16 +185,9 @@ void grpc_subchannel_call_set_cleanup_closure( grpc_call_stack* grpc_subchannel_call_get_call_stack( grpc_subchannel_call* subchannel_call); -struct grpc_subchannel_args { - /* When updating this struct, also update subchannel_index.c */ - - /** Channel arguments to be supplied to the newly created channel */ - const grpc_channel_args* args; -}; - /** create a subchannel given a connector */ grpc_subchannel* grpc_subchannel_create(grpc_connector* connector, - const grpc_subchannel_args* args); + const grpc_channel_args* args); /// Sets \a addr from \a args. void grpc_get_subchannel_address_arg(const grpc_channel_args* args, diff --git a/src/core/ext/filters/client_channel/subchannel_index.cc b/src/core/ext/filters/client_channel/subchannel_index.cc index 0ae7898c5a..d0ceda8312 100644 --- a/src/core/ext/filters/client_channel/subchannel_index.cc +++ b/src/core/ext/filters/client_channel/subchannel_index.cc @@ -39,38 +39,37 @@ static gpr_mu g_mu; static gpr_refcount g_refcount; struct grpc_subchannel_key { - grpc_subchannel_args args; + grpc_channel_args* args; }; static bool g_force_creation = false; static grpc_subchannel_key* create_key( - const grpc_subchannel_args* args, + const grpc_channel_args* args, grpc_channel_args* (*copy_channel_args)(const grpc_channel_args* args)) { grpc_subchannel_key* k = static_cast(gpr_malloc(sizeof(*k))); - k->args.args = copy_channel_args(args->args); + k->args = copy_channel_args(args); return k; } -grpc_subchannel_key* grpc_subchannel_key_create( - const grpc_subchannel_args* args) { +grpc_subchannel_key* grpc_subchannel_key_create(const grpc_channel_args* args) { return create_key(args, grpc_channel_args_normalize); } static grpc_subchannel_key* subchannel_key_copy(grpc_subchannel_key* k) { - return create_key(&k->args, grpc_channel_args_copy); + return create_key(k->args, grpc_channel_args_copy); } int grpc_subchannel_key_compare(const grpc_subchannel_key* a, const grpc_subchannel_key* b) { // To pretend the keys are different, return a non-zero value. if (GPR_UNLIKELY(g_force_creation)) return 1; - return grpc_channel_args_compare(a->args.args, b->args.args); + return grpc_channel_args_compare(a->args, b->args); } void grpc_subchannel_key_destroy(grpc_subchannel_key* k) { - grpc_channel_args_destroy(const_cast(k->args.args)); + grpc_channel_args_destroy(k->args); gpr_free(k); } diff --git a/src/core/ext/filters/client_channel/subchannel_index.h b/src/core/ext/filters/client_channel/subchannel_index.h index c135613d26..429634bd54 100644 --- a/src/core/ext/filters/client_channel/subchannel_index.h +++ b/src/core/ext/filters/client_channel/subchannel_index.h @@ -27,8 +27,7 @@ shared amongst channels */ /** Create a key that can be used to uniquely identify a subchannel */ -grpc_subchannel_key* grpc_subchannel_key_create( - const grpc_subchannel_args* args); +grpc_subchannel_key* grpc_subchannel_key_create(const grpc_channel_args* args); /** Destroy a subchannel key */ void grpc_subchannel_key_destroy(grpc_subchannel_key* key); diff --git a/src/core/ext/transport/chttp2/client/insecure/channel_create.cc b/src/core/ext/transport/chttp2/client/insecure/channel_create.cc index e6c8c38260..a5bf1bf21d 100644 --- a/src/core/ext/transport/chttp2/client/insecure/channel_create.cc +++ b/src/core/ext/transport/chttp2/client/insecure/channel_create.cc @@ -40,14 +40,12 @@ static void client_channel_factory_unref( grpc_client_channel_factory* cc_factory) {} static grpc_subchannel* client_channel_factory_create_subchannel( - grpc_client_channel_factory* cc_factory, const grpc_subchannel_args* args) { - grpc_subchannel_args final_sc_args; - memcpy(&final_sc_args, args, sizeof(*args)); - final_sc_args.args = grpc_default_authority_add_if_not_present(args->args); + grpc_client_channel_factory* cc_factory, const grpc_channel_args* args) { + grpc_channel_args* new_args = grpc_default_authority_add_if_not_present(args); grpc_connector* connector = grpc_chttp2_connector_create(); - grpc_subchannel* s = grpc_subchannel_create(connector, &final_sc_args); + grpc_subchannel* s = grpc_subchannel_create(connector, new_args); grpc_connector_unref(connector); - grpc_channel_args_destroy(const_cast(final_sc_args.args)); + grpc_channel_args_destroy(new_args); return s; } diff --git a/src/core/ext/transport/chttp2/client/secure/secure_channel_create.cc b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.cc index 9612698e96..ddd538faa8 100644 --- a/src/core/ext/transport/chttp2/client/secure/secure_channel_create.cc +++ b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.cc @@ -46,10 +46,10 @@ static void client_channel_factory_ref( static void client_channel_factory_unref( grpc_client_channel_factory* cc_factory) {} -static grpc_subchannel_args* get_secure_naming_subchannel_args( - const grpc_subchannel_args* args) { +static grpc_channel_args* get_secure_naming_channel_args( + const grpc_channel_args* args) { grpc_channel_credentials* channel_credentials = - grpc_channel_credentials_find_in_args(args->args); + grpc_channel_credentials_find_in_args(args); if (channel_credentials == nullptr) { gpr_log(GPR_ERROR, "Can't create subchannel: channel credentials missing for secure " @@ -57,7 +57,7 @@ static grpc_subchannel_args* get_secure_naming_subchannel_args( return nullptr; } // Make sure security connector does not already exist in args. - if (grpc_security_connector_find_in_args(args->args) != nullptr) { + if (grpc_security_connector_find_in_args(args) != nullptr) { gpr_log(GPR_ERROR, "Can't create subchannel: security connector already present in " "channel args."); @@ -65,19 +65,18 @@ static grpc_subchannel_args* get_secure_naming_subchannel_args( } // To which address are we connecting? By default, use the server URI. const grpc_arg* server_uri_arg = - grpc_channel_args_find(args->args, GRPC_ARG_SERVER_URI); + grpc_channel_args_find(args, GRPC_ARG_SERVER_URI); const char* server_uri_str = grpc_channel_arg_get_string(server_uri_arg); GPR_ASSERT(server_uri_str != nullptr); grpc_uri* server_uri = grpc_uri_parse(server_uri_str, true /* supress errors */); GPR_ASSERT(server_uri != nullptr); const grpc_core::TargetAuthorityTable* target_authority_table = - grpc_core::FindTargetAuthorityTableInArgs(args->args); + grpc_core::FindTargetAuthorityTableInArgs(args); grpc_core::UniquePtr authority; if (target_authority_table != nullptr) { // Find the authority for the target. - const char* target_uri_str = - grpc_get_subchannel_address_uri_arg(args->args); + const char* target_uri_str = grpc_get_subchannel_address_uri_arg(args); grpc_uri* target_uri = grpc_uri_parse(target_uri_str, false /* suppress errors */); GPR_ASSERT(target_uri != nullptr); @@ -100,15 +99,14 @@ static grpc_subchannel_args* get_secure_naming_subchannel_args( } grpc_arg args_to_add[2]; size_t num_args_to_add = 0; - if (grpc_channel_args_find(args->args, GRPC_ARG_DEFAULT_AUTHORITY) == - nullptr) { + if (grpc_channel_args_find(args, GRPC_ARG_DEFAULT_AUTHORITY) == nullptr) { // If the channel args don't already contain GRPC_ARG_DEFAULT_AUTHORITY, add // the arg, setting it to the value just obtained. args_to_add[num_args_to_add++] = grpc_channel_arg_string_create( const_cast(GRPC_ARG_DEFAULT_AUTHORITY), authority.get()); } grpc_channel_args* args_with_authority = - grpc_channel_args_copy_and_add(args->args, args_to_add, num_args_to_add); + grpc_channel_args_copy_and_add(args, args_to_add, num_args_to_add); grpc_uri_destroy(server_uri); // Create the security connector using the credentials and target name. grpc_channel_args* new_args_from_connector = nullptr; @@ -137,29 +135,21 @@ static grpc_subchannel_args* get_secure_naming_subchannel_args( grpc_channel_args_destroy(new_args_from_connector); } grpc_channel_args_destroy(args_with_authority); - grpc_subchannel_args* final_sc_args = - static_cast(gpr_malloc(sizeof(*final_sc_args))); - memcpy(final_sc_args, args, sizeof(*args)); - final_sc_args->args = new_args; - return final_sc_args; + return new_args; } static grpc_subchannel* client_channel_factory_create_subchannel( - grpc_client_channel_factory* cc_factory, const grpc_subchannel_args* args) { - grpc_subchannel_args* subchannel_args = - get_secure_naming_subchannel_args(args); - if (subchannel_args == nullptr) { - gpr_log( - GPR_ERROR, - "Failed to create subchannel arguments during subchannel creation."); + grpc_client_channel_factory* cc_factory, const grpc_channel_args* args) { + grpc_channel_args* new_args = get_secure_naming_channel_args(args); + if (new_args == nullptr) { + gpr_log(GPR_ERROR, + "Failed to create channel args during subchannel creation."); return nullptr; } grpc_connector* connector = grpc_chttp2_connector_create(); - grpc_subchannel* s = grpc_subchannel_create(connector, subchannel_args); + grpc_subchannel* s = grpc_subchannel_create(connector, new_args); grpc_connector_unref(connector); - grpc_channel_args_destroy( - const_cast(subchannel_args->args)); - gpr_free(subchannel_args); + grpc_channel_args_destroy(new_args); return s; } diff --git a/test/cpp/microbenchmarks/bm_call_create.cc b/test/cpp/microbenchmarks/bm_call_create.cc index 8d12606434..125b1ce5c4 100644 --- a/test/cpp/microbenchmarks/bm_call_create.cc +++ b/test/cpp/microbenchmarks/bm_call_create.cc @@ -326,7 +326,7 @@ class FakeClientChannelFactory : public grpc_client_channel_factory { static void NoRef(grpc_client_channel_factory* factory) {} static void NoUnref(grpc_client_channel_factory* factory) {} static grpc_subchannel* CreateSubchannel(grpc_client_channel_factory* factory, - const grpc_subchannel_args* args) { + const grpc_channel_args* args) { return nullptr; } static grpc_channel* CreateClientChannel(grpc_client_channel_factory* factory, -- cgit v1.2.3