diff options
Diffstat (limited to 'src/core/ext/filters/client_channel/lb_policy/subchannel_list.h')
| -rw-r--r-- | src/core/ext/filters/client_channel/lb_policy/subchannel_list.h | 53 |
1 files changed, 28 insertions, 25 deletions
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 f31401502c..6f31a643c1 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 @@ -26,6 +26,7 @@ #include <grpc/support/alloc.h> #include "src/core/ext/filters/client_channel/lb_policy_registry.h" +#include "src/core/ext/filters/client_channel/server_address.h" #include "src/core/ext/filters/client_channel/subchannel.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/debug/trace.h" @@ -141,8 +142,7 @@ class SubchannelData { protected: SubchannelData( SubchannelList<SubchannelListType, SubchannelDataType>* subchannel_list, - const grpc_lb_user_data_vtable* user_data_vtable, - const grpc_lb_address& address, grpc_subchannel* subchannel, + const ServerAddress& address, grpc_subchannel* subchannel, grpc_combiner* combiner); virtual ~SubchannelData(); @@ -156,9 +156,8 @@ class SubchannelData { grpc_connectivity_state connectivity_state, grpc_error* error) GRPC_ABSTRACT; - // Unrefs the subchannel. May be overridden by subclasses that need - // to perform extra cleanup when unreffing the subchannel. - virtual void UnrefSubchannelLocked(const char* reason); + // Unrefs the subchannel. + void UnrefSubchannelLocked(const char* reason); private: // Updates connected_subchannel_ based on pending_connectivity_state_unsafe_. @@ -232,7 +231,7 @@ class SubchannelList : public InternallyRefCounted<SubchannelListType> { protected: SubchannelList(LoadBalancingPolicy* policy, TraceFlag* tracer, - const grpc_lb_addresses* addresses, grpc_combiner* combiner, + const ServerAddressList& addresses, grpc_combiner* combiner, grpc_client_channel_factory* client_channel_factory, const grpc_channel_args& args); @@ -277,8 +276,7 @@ class SubchannelList : public InternallyRefCounted<SubchannelListType> { template <typename SubchannelListType, typename SubchannelDataType> SubchannelData<SubchannelListType, SubchannelDataType>::SubchannelData( SubchannelList<SubchannelListType, SubchannelDataType>* subchannel_list, - const grpc_lb_user_data_vtable* user_data_vtable, - const grpc_lb_address& address, grpc_subchannel* subchannel, + const ServerAddress& address, grpc_subchannel* subchannel, grpc_combiner* combiner) : subchannel_list_(subchannel_list), subchannel_(subchannel), @@ -488,7 +486,7 @@ void SubchannelData<SubchannelListType, SubchannelDataType>::ShutdownLocked() { template <typename SubchannelListType, typename SubchannelDataType> SubchannelList<SubchannelListType, SubchannelDataType>::SubchannelList( LoadBalancingPolicy* policy, TraceFlag* tracer, - const grpc_lb_addresses* addresses, grpc_combiner* combiner, + const ServerAddressList& addresses, grpc_combiner* combiner, grpc_client_channel_factory* client_channel_factory, const grpc_channel_args& args) : InternallyRefCounted<SubchannelListType>(tracer), @@ -498,9 +496,9 @@ SubchannelList<SubchannelListType, SubchannelDataType>::SubchannelList( if (tracer_->enabled()) { gpr_log(GPR_INFO, "[%s %p] Creating subchannel list %p for %" PRIuPTR " subchannels", - tracer_->name(), policy, this, addresses->num_addresses); + tracer_->name(), policy, this, addresses.size()); } - subchannels_.reserve(addresses->num_addresses); + subchannels_.reserve(addresses.size()); // We need to remove the LB addresses in order to be able to compare the // subchannel keys of subchannels from a different batch of addresses. // We also remove the inhibit-health-checking arg, since we are @@ -508,19 +506,27 @@ SubchannelList<SubchannelListType, SubchannelDataType>::SubchannelList( inhibit_health_checking_ = grpc_channel_arg_get_bool( grpc_channel_args_find(&args, GRPC_ARG_INHIBIT_HEALTH_CHECKING), false); static const char* keys_to_remove[] = {GRPC_ARG_SUBCHANNEL_ADDRESS, - GRPC_ARG_LB_ADDRESSES, + 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->num_addresses; i++) { - // If there were any balancer, we would have chosen grpclb policy instead. - GPR_ASSERT(!addresses->addresses[i].is_balancer); + 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)); - grpc_arg addr_arg = - grpc_create_subchannel_address_arg(&addresses->addresses[i].address); + InlinedVector<grpc_arg, 4> args_to_add; + args_to_add.emplace_back( + grpc_create_subchannel_address_arg(&addresses[i].address())); + if (addresses[i].args() != nullptr) { + for (size_t j = 0; j < addresses[i].args()->num_args; ++j) { + args_to_add.emplace_back(addresses[i].args()->args[j]); + } + } grpc_channel_args* new_args = grpc_channel_args_copy_and_add_and_remove( - &args, keys_to_remove, GPR_ARRAY_SIZE(keys_to_remove), &addr_arg, 1); - gpr_free(addr_arg.value.string); + &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); @@ -528,8 +534,7 @@ SubchannelList<SubchannelListType, SubchannelDataType>::SubchannelList( if (subchannel == nullptr) { // Subchannel could not be created. if (tracer_->enabled()) { - char* address_uri = - grpc_sockaddr_to_uri(&addresses->addresses[i].address); + char* address_uri = grpc_sockaddr_to_uri(&addresses[i].address()); gpr_log(GPR_INFO, "[%s %p] could not create subchannel for address uri %s, " "ignoring", @@ -539,8 +544,7 @@ SubchannelList<SubchannelListType, SubchannelDataType>::SubchannelList( continue; } if (tracer_->enabled()) { - char* address_uri = - grpc_sockaddr_to_uri(&addresses->addresses[i].address); + char* address_uri = grpc_sockaddr_to_uri(&addresses[i].address()); gpr_log(GPR_INFO, "[%s %p] subchannel list %p index %" PRIuPTR ": Created subchannel %p for address uri %s", @@ -548,8 +552,7 @@ SubchannelList<SubchannelListType, SubchannelDataType>::SubchannelList( address_uri); gpr_free(address_uri); } - subchannels_.emplace_back(this, addresses->user_data_vtable, - addresses->addresses[i], subchannel, combiner); + subchannels_.emplace_back(this, addresses[i], subchannel, combiner); } } |