diff options
Diffstat (limited to 'src/core/ext/filters/client_channel/client_channel.cc')
| -rw-r--r-- | src/core/ext/filters/client_channel/client_channel.cc | 228 |
1 files changed, 115 insertions, 113 deletions
diff --git a/src/core/ext/filters/client_channel/client_channel.cc b/src/core/ext/filters/client_channel/client_channel.cc index 584872bfc1..8b8d512432 100644 --- a/src/core/ext/filters/client_channel/client_channel.cc +++ b/src/core/ext/filters/client_channel/client_channel.cc @@ -115,7 +115,7 @@ static bool parse_timeout(grpc_json* field, grpc_millis* timeout) { buf[len - 1] = '\0'; // Remove trailing 's'. char* decimal_point = strchr(buf, '.'); int nanos = 0; - if (decimal_point != NULL) { + if (decimal_point != nullptr) { *decimal_point = '\0'; nanos = gpr_parse_nonnegative_int(decimal_point + 1); if (nanos == -1) { @@ -141,14 +141,14 @@ static bool parse_timeout(grpc_json* field, grpc_millis* timeout) { static void* method_parameters_create_from_json(const grpc_json* json) { wait_for_ready_value wait_for_ready = WAIT_FOR_READY_UNSET; grpc_millis timeout = 0; - for (grpc_json* field = json->child; field != NULL; field = field->next) { - if (field->key == NULL) continue; + for (grpc_json* field = json->child; field != nullptr; field = field->next) { + if (field->key == nullptr) continue; if (strcmp(field->key, "waitForReady") == 0) { - if (wait_for_ready != WAIT_FOR_READY_UNSET) return NULL; // Duplicate. - if (!parse_wait_for_ready(field, &wait_for_ready)) return NULL; + if (wait_for_ready != WAIT_FOR_READY_UNSET) return nullptr; // Duplicate. + if (!parse_wait_for_ready(field, &wait_for_ready)) return nullptr; } else if (strcmp(field->key, "timeout") == 0) { - if (timeout > 0) return NULL; // Duplicate. - if (!parse_timeout(field, &timeout)) return NULL; + if (timeout > 0) return nullptr; // Duplicate. + if (!parse_timeout(field, &timeout)) return nullptr; } } method_parameters* value = @@ -234,7 +234,7 @@ static void set_channel_connectivity_state_locked(grpc_exec_ctx* exec_ctx, * - Make it possible for policies to return GRPC_CHANNEL_TRANSIENT_FAILURE. * - Hand over pending picks from old policies during the switch that happens * when resolver provides an update. */ - if (chand->lb_policy != NULL) { + if (chand->lb_policy != nullptr) { if (state == GRPC_CHANNEL_TRANSIENT_FAILURE) { /* cancel picks with wait_for_ready=false */ grpc_lb_policy_cancel_picks_locked( @@ -266,11 +266,12 @@ static void on_lb_policy_state_changed_locked(grpc_exec_ctx* exec_ctx, gpr_log(GPR_DEBUG, "chand=%p: lb_policy=%p state changed to %s", w->chand, w->lb_policy, grpc_connectivity_state_name(w->state)); } - if (publish_state == GRPC_CHANNEL_SHUTDOWN && w->chand->resolver != NULL) { + if (publish_state == GRPC_CHANNEL_SHUTDOWN && + w->chand->resolver != nullptr) { publish_state = GRPC_CHANNEL_TRANSIENT_FAILURE; grpc_resolver_channel_saw_error_locked(exec_ctx, w->chand->resolver); GRPC_LB_POLICY_UNREF(exec_ctx, w->chand->lb_policy, "channel"); - w->chand->lb_policy = NULL; + w->chand->lb_policy = nullptr; } set_channel_connectivity_state_locked(exec_ctx, w->chand, publish_state, GRPC_ERROR_REF(error), "lb_changed"); @@ -318,13 +319,13 @@ static void parse_retry_throttle_params(const grpc_json* field, void* arg) { service_config_parsing_state* parsing_state = (service_config_parsing_state*)arg; if (strcmp(field->key, "retryThrottling") == 0) { - if (parsing_state->retry_throttle_data != NULL) return; // Duplicate. + if (parsing_state->retry_throttle_data != nullptr) return; // Duplicate. if (field->type != GRPC_JSON_OBJECT) return; int max_milli_tokens = 0; int milli_token_ratio = 0; - for (grpc_json* sub_field = field->child; sub_field != NULL; + for (grpc_json* sub_field = field->child; sub_field != nullptr; sub_field = sub_field->next) { - if (sub_field->key == NULL) return; + if (sub_field->key == nullptr) return; if (strcmp(sub_field->key, "maxTokens") == 0) { if (max_milli_tokens != 0) return; // Duplicate. if (sub_field->type != GRPC_JSON_NUMBER) return; @@ -339,7 +340,7 @@ static void parse_retry_throttle_params(const grpc_json* field, void* arg) { uint32_t multiplier = 1; uint32_t decimal_value = 0; const char* decimal_point = strchr(sub_field->value, '.'); - if (decimal_point != NULL) { + if (decimal_point != nullptr) { whole_len = (size_t)(decimal_point - sub_field->value); multiplier = 1000; size_t decimal_len = strlen(decimal_point + 1); @@ -378,18 +379,18 @@ static void on_resolver_result_changed_locked(grpc_exec_ctx* exec_ctx, } // Extract the following fields from the resolver result, if non-NULL. bool lb_policy_updated = false; - char* lb_policy_name_dup = NULL; + char* lb_policy_name_dup = nullptr; bool lb_policy_name_changed = false; - grpc_lb_policy* new_lb_policy = NULL; - char* service_config_json = NULL; - grpc_server_retry_throttle_data* retry_throttle_data = NULL; - grpc_slice_hash_table* method_params_table = NULL; - if (chand->resolver_result != NULL) { + grpc_lb_policy* new_lb_policy = nullptr; + char* service_config_json = nullptr; + grpc_server_retry_throttle_data* retry_throttle_data = nullptr; + grpc_slice_hash_table* method_params_table = nullptr; + if (chand->resolver_result != nullptr) { // Find LB policy name. - const char* lb_policy_name = NULL; + const char* lb_policy_name = nullptr; const grpc_arg* channel_arg = grpc_channel_args_find(chand->resolver_result, GRPC_ARG_LB_POLICY_NAME); - if (channel_arg != NULL) { + if (channel_arg != nullptr) { GPR_ASSERT(channel_arg->type == GRPC_ARG_STRING); lb_policy_name = channel_arg->value.string; } @@ -397,7 +398,7 @@ static void on_resolver_result_changed_locked(grpc_exec_ctx* exec_ctx, // the grpclb policy, regardless of what the resolver actually specified. channel_arg = grpc_channel_args_find(chand->resolver_result, GRPC_ARG_LB_ADDRESSES); - if (channel_arg != NULL && channel_arg->type == GRPC_ARG_POINTER) { + if (channel_arg != nullptr && channel_arg->type == GRPC_ARG_POINTER) { grpc_lb_addresses* addresses = (grpc_lb_addresses*)channel_arg->value.pointer.p; bool found_balancer_address = false; @@ -408,7 +409,8 @@ static void on_resolver_result_changed_locked(grpc_exec_ctx* exec_ctx, } } if (found_balancer_address) { - if (lb_policy_name != NULL && strcmp(lb_policy_name, "grpclb") != 0) { + if (lb_policy_name != nullptr && + strcmp(lb_policy_name, "grpclb") != 0) { gpr_log(GPR_INFO, "resolver requested LB policy %s but provided at least one " "balancer address -- forcing use of grpclb LB policy", @@ -419,7 +421,7 @@ static void on_resolver_result_changed_locked(grpc_exec_ctx* exec_ctx, } // Use pick_first if nothing was specified and we didn't select grpclb // above. - if (lb_policy_name == NULL) lb_policy_name = "pick_first"; + if (lb_policy_name == nullptr) lb_policy_name = "pick_first"; grpc_lb_policy_args lb_policy_args; lb_policy_args.args = chand->resolver_result; lb_policy_args.client_channel_factory = chand->client_channel_factory; @@ -430,9 +432,9 @@ static void on_resolver_result_changed_locked(grpc_exec_ctx* exec_ctx, // only thing that modifies its value, and it can only be invoked // once at any given time. lb_policy_name_changed = - chand->info_lb_policy_name == NULL || + chand->info_lb_policy_name == nullptr || strcmp(chand->info_lb_policy_name, lb_policy_name) != 0; - if (chand->lb_policy != NULL && !lb_policy_name_changed) { + if (chand->lb_policy != nullptr && !lb_policy_name_changed) { // Continue using the same LB policy. Update with new addresses. lb_policy_updated = true; grpc_lb_policy_update_locked(exec_ctx, chand->lb_policy, &lb_policy_args); @@ -440,22 +442,22 @@ static void on_resolver_result_changed_locked(grpc_exec_ctx* exec_ctx, // Instantiate new LB policy. new_lb_policy = grpc_lb_policy_create(exec_ctx, lb_policy_name, &lb_policy_args); - if (new_lb_policy == NULL) { + if (new_lb_policy == nullptr) { gpr_log(GPR_ERROR, "could not create LB policy \"%s\"", lb_policy_name); } } // Find service config. channel_arg = grpc_channel_args_find(chand->resolver_result, GRPC_ARG_SERVICE_CONFIG); - if (channel_arg != NULL) { + if (channel_arg != nullptr) { GPR_ASSERT(channel_arg->type == GRPC_ARG_STRING); service_config_json = gpr_strdup(channel_arg->value.string); grpc_service_config* service_config = grpc_service_config_create(service_config_json); - if (service_config != NULL) { + if (service_config != nullptr) { channel_arg = grpc_channel_args_find(chand->resolver_result, GRPC_ARG_SERVER_URI); - GPR_ASSERT(channel_arg != NULL); + GPR_ASSERT(channel_arg != nullptr); GPR_ASSERT(channel_arg->type == GRPC_ARG_STRING); grpc_uri* uri = grpc_uri_parse(exec_ctx, channel_arg->value.string, true); @@ -479,7 +481,7 @@ static void on_resolver_result_changed_locked(grpc_exec_ctx* exec_ctx, // The copy will be saved in chand->lb_policy_name below. lb_policy_name_dup = gpr_strdup(lb_policy_name); grpc_channel_args_destroy(exec_ctx, chand->resolver_result); - chand->resolver_result = NULL; + chand->resolver_result = nullptr; } if (GRPC_TRACER_ON(grpc_client_channel_trace)) { gpr_log(GPR_DEBUG, @@ -494,22 +496,22 @@ static void on_resolver_result_changed_locked(grpc_exec_ctx* exec_ctx, // // First, swap out the data used by cc_get_channel_info(). gpr_mu_lock(&chand->info_mu); - if (lb_policy_name_dup != NULL) { + if (lb_policy_name_dup != nullptr) { gpr_free(chand->info_lb_policy_name); chand->info_lb_policy_name = lb_policy_name_dup; } - if (service_config_json != NULL) { + if (service_config_json != nullptr) { gpr_free(chand->info_service_config_json); chand->info_service_config_json = service_config_json; } gpr_mu_unlock(&chand->info_mu); // Swap out the retry throttle data. - if (chand->retry_throttle_data != NULL) { + if (chand->retry_throttle_data != nullptr) { grpc_server_retry_throttle_data_unref(chand->retry_throttle_data); } chand->retry_throttle_data = retry_throttle_data; // Swap out the method params table. - if (chand->method_params_table != NULL) { + if (chand->method_params_table != nullptr) { grpc_slice_hash_table_unref(exec_ctx, chand->method_params_table); } chand->method_params_table = method_params_table; @@ -519,9 +521,9 @@ static void on_resolver_result_changed_locked(grpc_exec_ctx* exec_ctx, // Note that we do NOT do this if either (a) we updated the existing // LB policy above or (b) we failed to create the new LB policy (in // which case we want to continue using the most recent one we had). - if (new_lb_policy != NULL || error != GRPC_ERROR_NONE || - chand->resolver == NULL) { - if (chand->lb_policy != NULL) { + if (new_lb_policy != nullptr || error != GRPC_ERROR_NONE || + chand->resolver == nullptr) { + if (chand->lb_policy != nullptr) { if (GRPC_TRACER_ON(grpc_client_channel_trace)) { gpr_log(GPR_DEBUG, "chand=%p: unreffing lb_policy=%p", chand, chand->lb_policy); @@ -535,17 +537,17 @@ static void on_resolver_result_changed_locked(grpc_exec_ctx* exec_ctx, } // Now that we've swapped out the relevant fields of chand, check for // error or shutdown. - if (error != GRPC_ERROR_NONE || chand->resolver == NULL) { + if (error != GRPC_ERROR_NONE || chand->resolver == nullptr) { if (GRPC_TRACER_ON(grpc_client_channel_trace)) { gpr_log(GPR_DEBUG, "chand=%p: shutting down", chand); } - if (chand->resolver != NULL) { + if (chand->resolver != nullptr) { if (GRPC_TRACER_ON(grpc_client_channel_trace)) { gpr_log(GPR_DEBUG, "chand=%p: shutting down resolver", chand); } grpc_resolver_shutdown_locked(exec_ctx, chand->resolver); GRPC_RESOLVER_UNREF(exec_ctx, chand->resolver, "channel"); - chand->resolver = NULL; + chand->resolver = nullptr; } set_channel_connectivity_state_locked( exec_ctx, chand, GRPC_CHANNEL_SHUTDOWN, @@ -562,7 +564,7 @@ static void on_resolver_result_changed_locked(grpc_exec_ctx* exec_ctx, grpc_connectivity_state state = GRPC_CHANNEL_TRANSIENT_FAILURE; grpc_error* state_error = GRPC_ERROR_CREATE_FROM_STATIC_STRING("No load balancing policy"); - if (new_lb_policy != NULL) { + if (new_lb_policy != nullptr) { if (GRPC_TRACER_ON(grpc_client_channel_trace)) { gpr_log(GPR_DEBUG, "chand=%p: initializing new LB policy", chand); } @@ -599,46 +601,46 @@ static void start_transport_op_locked(grpc_exec_ctx* exec_ctx, void* arg, (grpc_channel_element*)op->handler_private.extra_arg; channel_data* chand = (channel_data*)elem->channel_data; - if (op->on_connectivity_state_change != NULL) { + if (op->on_connectivity_state_change != nullptr) { grpc_connectivity_state_notify_on_state_change( exec_ctx, &chand->state_tracker, op->connectivity_state, op->on_connectivity_state_change); - op->on_connectivity_state_change = NULL; - op->connectivity_state = NULL; + op->on_connectivity_state_change = nullptr; + op->connectivity_state = nullptr; } - if (op->send_ping != NULL) { - if (chand->lb_policy == NULL) { + if (op->send_ping != nullptr) { + if (chand->lb_policy == nullptr) { GRPC_CLOSURE_SCHED( exec_ctx, op->send_ping, GRPC_ERROR_CREATE_FROM_STATIC_STRING("Ping with no load balancing")); } else { grpc_lb_policy_ping_one_locked(exec_ctx, chand->lb_policy, op->send_ping); - op->bind_pollset = NULL; + op->bind_pollset = nullptr; } - op->send_ping = NULL; + op->send_ping = nullptr; } if (op->disconnect_with_error != GRPC_ERROR_NONE) { - if (chand->resolver != NULL) { + if (chand->resolver != nullptr) { set_channel_connectivity_state_locked( exec_ctx, chand, GRPC_CHANNEL_SHUTDOWN, GRPC_ERROR_REF(op->disconnect_with_error), "disconnect"); grpc_resolver_shutdown_locked(exec_ctx, chand->resolver); GRPC_RESOLVER_UNREF(exec_ctx, chand->resolver, "channel"); - chand->resolver = NULL; + chand->resolver = nullptr; if (!chand->started_resolving) { grpc_closure_list_fail_all(&chand->waiting_for_resolver_result_closures, GRPC_ERROR_REF(op->disconnect_with_error)); GRPC_CLOSURE_LIST_SCHED(exec_ctx, &chand->waiting_for_resolver_result_closures); } - if (chand->lb_policy != NULL) { + if (chand->lb_policy != nullptr) { grpc_pollset_set_del_pollset_set(exec_ctx, chand->lb_policy->interested_parties, chand->interested_parties); GRPC_LB_POLICY_UNREF(exec_ctx, chand->lb_policy, "channel"); - chand->lb_policy = NULL; + chand->lb_policy = nullptr; } } GRPC_ERROR_UNREF(op->disconnect_with_error); @@ -654,7 +656,7 @@ static void cc_start_transport_op(grpc_exec_ctx* exec_ctx, channel_data* chand = (channel_data*)elem->channel_data; GPR_ASSERT(op->set_accept_stream == false); - if (op->bind_pollset != NULL) { + if (op->bind_pollset != nullptr) { grpc_pollset_set_add_pollset(exec_ctx, chand->interested_parties, op->bind_pollset); } @@ -673,15 +675,15 @@ static void cc_get_channel_info(grpc_exec_ctx* exec_ctx, const grpc_channel_info* info) { channel_data* chand = (channel_data*)elem->channel_data; gpr_mu_lock(&chand->info_mu); - if (info->lb_policy_name != NULL) { - *info->lb_policy_name = chand->info_lb_policy_name == NULL - ? NULL + if (info->lb_policy_name != nullptr) { + *info->lb_policy_name = chand->info_lb_policy_name == nullptr + ? nullptr : gpr_strdup(chand->info_lb_policy_name); } - if (info->service_config_json != NULL) { + if (info->service_config_json != nullptr) { *info->service_config_json = - chand->info_service_config_json == NULL - ? NULL + chand->info_service_config_json == nullptr + ? nullptr : gpr_strdup(chand->info_service_config_json); } gpr_mu_unlock(&chand->info_mu); @@ -700,7 +702,7 @@ static grpc_error* cc_init_channel_elem(grpc_exec_ctx* exec_ctx, gpr_mu_init(&chand->external_connectivity_watcher_list_mu); gpr_mu_lock(&chand->external_connectivity_watcher_list_mu); - chand->external_connectivity_watcher_list_head = NULL; + chand->external_connectivity_watcher_list_head = nullptr; gpr_mu_unlock(&chand->external_connectivity_watcher_list_mu); chand->owning_stack = args->channel_stack; @@ -714,7 +716,7 @@ static grpc_error* cc_init_channel_elem(grpc_exec_ctx* exec_ctx, // Record client channel factory. const grpc_arg* arg = grpc_channel_args_find(args->channel_args, GRPC_ARG_CLIENT_CHANNEL_FACTORY); - if (arg == NULL) { + if (arg == nullptr) { return GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Missing client channel factory in args for client channel filter"); } @@ -728,7 +730,7 @@ static grpc_error* cc_init_channel_elem(grpc_exec_ctx* exec_ctx, (grpc_client_channel_factory*)arg->value.pointer.p; // Get server name to resolve, using proxy mapper if needed. arg = grpc_channel_args_find(args->channel_args, GRPC_ARG_SERVER_URI); - if (arg == NULL) { + if (arg == nullptr) { return GRPC_ERROR_CREATE_FROM_STATIC_STRING( "Missing server uri in args for client channel filter"); } @@ -736,18 +738,18 @@ static grpc_error* cc_init_channel_elem(grpc_exec_ctx* exec_ctx, return GRPC_ERROR_CREATE_FROM_STATIC_STRING( "server uri arg must be a string"); } - char* proxy_name = NULL; - grpc_channel_args* new_args = NULL; + char* proxy_name = nullptr; + grpc_channel_args* new_args = nullptr; grpc_proxy_mappers_map_name(exec_ctx, arg->value.string, args->channel_args, &proxy_name, &new_args); // Instantiate resolver. chand->resolver = grpc_resolver_create( - exec_ctx, proxy_name != NULL ? proxy_name : arg->value.string, - new_args != NULL ? new_args : args->channel_args, + exec_ctx, proxy_name != nullptr ? proxy_name : arg->value.string, + new_args != nullptr ? new_args : args->channel_args, chand->interested_parties, chand->combiner); - if (proxy_name != NULL) gpr_free(proxy_name); - if (new_args != NULL) grpc_channel_args_destroy(exec_ctx, new_args); - if (chand->resolver == NULL) { + if (proxy_name != nullptr) gpr_free(proxy_name); + if (new_args != nullptr) grpc_channel_args_destroy(exec_ctx, new_args); + if (chand->resolver == nullptr) { return GRPC_ERROR_CREATE_FROM_STATIC_STRING("resolver creation failed"); } chand->deadline_checking_enabled = @@ -766,17 +768,17 @@ static void shutdown_resolver_locked(grpc_exec_ctx* exec_ctx, void* arg, static void cc_destroy_channel_elem(grpc_exec_ctx* exec_ctx, grpc_channel_element* elem) { channel_data* chand = (channel_data*)elem->channel_data; - if (chand->resolver != NULL) { + if (chand->resolver != nullptr) { GRPC_CLOSURE_SCHED( exec_ctx, GRPC_CLOSURE_CREATE(shutdown_resolver_locked, chand->resolver, grpc_combiner_scheduler(chand->combiner)), GRPC_ERROR_NONE); } - if (chand->client_channel_factory != NULL) { + if (chand->client_channel_factory != nullptr) { grpc_client_channel_factory_unref(exec_ctx, chand->client_channel_factory); } - if (chand->lb_policy != NULL) { + if (chand->lb_policy != nullptr) { grpc_pollset_set_del_pollset_set(exec_ctx, chand->lb_policy->interested_parties, chand->interested_parties); @@ -784,10 +786,10 @@ static void cc_destroy_channel_elem(grpc_exec_ctx* exec_ctx, } gpr_free(chand->info_lb_policy_name); gpr_free(chand->info_service_config_json); - if (chand->retry_throttle_data != NULL) { + if (chand->retry_throttle_data != nullptr) { grpc_server_retry_throttle_data_unref(chand->retry_throttle_data); } - if (chand->method_params_table != NULL) { + if (chand->method_params_table != nullptr) { grpc_slice_hash_table_unref(exec_ctx, chand->method_params_table); } grpc_client_channel_stop_backup_polling(exec_ctx, chand->interested_parties); @@ -870,7 +872,7 @@ grpc_subchannel_call* grpc_client_channel_get_subchannel_call( static void waiting_for_pick_batches_add( call_data* calld, grpc_transport_stream_op_batch* batch) { if (batch->send_initial_metadata) { - GPR_ASSERT(calld->initial_metadata_batch == NULL); + GPR_ASSERT(calld->initial_metadata_batch == nullptr); calld->initial_metadata_batch = batch; } else { GPR_ASSERT(calld->waiting_for_pick_batches_count < MAX_WAITING_BATCHES); @@ -912,7 +914,7 @@ static void waiting_for_pick_batches_fail(grpc_exec_ctx* exec_ctx, GRPC_ERROR_REF(error), "waiting_for_pick_batches_fail"); } - if (calld->initial_metadata_batch != NULL) { + if (calld->initial_metadata_batch != nullptr) { grpc_transport_stream_op_batch_finish_with_failure( exec_ctx, calld->initial_metadata_batch, GRPC_ERROR_REF(error), calld->call_combiner); @@ -956,7 +958,7 @@ static void waiting_for_pick_batches_resume(grpc_exec_ctx* exec_ctx, GRPC_ERROR_NONE, "waiting_for_pick_batches_resume"); } - GPR_ASSERT(calld->initial_metadata_batch != NULL); + GPR_ASSERT(calld->initial_metadata_batch != nullptr); grpc_subchannel_call_process_op(exec_ctx, calld->subchannel_call, calld->initial_metadata_batch); } @@ -971,14 +973,14 @@ static void apply_service_config_to_call_locked(grpc_exec_ctx* exec_ctx, gpr_log(GPR_DEBUG, "chand=%p calld=%p: applying service config to call", chand, calld); } - if (chand->retry_throttle_data != NULL) { + if (chand->retry_throttle_data != nullptr) { calld->retry_throttle_data = grpc_server_retry_throttle_data_ref(chand->retry_throttle_data); } - if (chand->method_params_table != NULL) { + if (chand->method_params_table != nullptr) { calld->method_params = (method_parameters*)grpc_method_config_table_get( exec_ctx, chand->method_params_table, calld->path); - if (calld->method_params != NULL) { + if (calld->method_params != nullptr) { method_parameters_ref(calld->method_params); // If the deadline from the service config is shorter than the one // from the client API, reset the deadline timer. @@ -1031,7 +1033,7 @@ static void pick_done_locked(grpc_exec_ctx* exec_ctx, grpc_call_element* elem, grpc_error* error) { call_data* calld = (call_data*)elem->call_data; channel_data* chand = (channel_data*)elem->channel_data; - if (calld->connected_subchannel == NULL) { + if (calld->connected_subchannel == nullptr) { // Failed to create subchannel. GRPC_ERROR_UNREF(calld->error); calld->error = error == GRPC_ERROR_NONE @@ -1072,7 +1074,7 @@ static void pick_callback_cancel_locked(grpc_exec_ctx* exec_ctx, void* arg, grpc_call_element* elem = (grpc_call_element*)arg; channel_data* chand = (channel_data*)elem->channel_data; call_data* calld = (call_data*)elem->call_data; - if (calld->lb_policy != NULL) { + if (calld->lb_policy != nullptr) { if (GRPC_TRACER_ON(grpc_client_channel_trace)) { gpr_log(GPR_DEBUG, "chand=%p calld=%p: cancelling pick from LB policy %p", chand, calld, calld->lb_policy); @@ -1095,9 +1097,9 @@ static void pick_callback_done_locked(grpc_exec_ctx* exec_ctx, void* arg, gpr_log(GPR_DEBUG, "chand=%p calld=%p: pick completed asynchronously", chand, calld); } - GPR_ASSERT(calld->lb_policy != NULL); + GPR_ASSERT(calld->lb_policy != nullptr); GRPC_LB_POLICY_UNREF(exec_ctx, calld->lb_policy, "pick_subchannel"); - calld->lb_policy = NULL; + calld->lb_policy = nullptr; async_pick_done_locked(exec_ctx, elem, GRPC_ERROR_REF(error)); } @@ -1123,7 +1125,7 @@ static bool pick_callback_start_locked(grpc_exec_ctx* exec_ctx, initial_metadata_flags & GRPC_INITIAL_METADATA_WAIT_FOR_READY_EXPLICITLY_SET; const bool wait_for_ready_set_from_service_config = - calld->method_params != NULL && + calld->method_params != nullptr && calld->method_params->wait_for_ready != WAIT_FOR_READY_UNSET; if (!wait_for_ready_set_from_api && wait_for_ready_set_from_service_config) { if (calld->method_params->wait_for_ready == WAIT_FOR_READY_TRUE) { @@ -1143,7 +1145,7 @@ static bool pick_callback_start_locked(grpc_exec_ctx* exec_ctx, grpc_combiner_scheduler(chand->combiner)); const bool pick_done = grpc_lb_policy_pick_locked( exec_ctx, chand->lb_policy, &inputs, &calld->connected_subchannel, - calld->subchannel_call_context, NULL, &calld->lb_pick_closure); + calld->subchannel_call_context, nullptr, &calld->lb_pick_closure); if (pick_done) { /* synchronous grpc_lb_policy_pick call. Unref the LB policy. */ if (GRPC_TRACER_ON(grpc_client_channel_trace)) { @@ -1151,7 +1153,7 @@ static bool pick_callback_start_locked(grpc_exec_ctx* exec_ctx, chand, calld); } GRPC_LB_POLICY_UNREF(exec_ctx, calld->lb_policy, "pick_subchannel"); - calld->lb_policy = NULL; + calld->lb_policy = nullptr; } else { GRPC_CALL_STACK_REF(calld->owning_call, "pick_callback_cancel"); grpc_call_combiner_set_notify_on_cancel( @@ -1231,7 +1233,7 @@ static void pick_after_resolver_result_done_locked(grpc_exec_ctx* exec_ctx, chand, calld); } async_pick_done_locked(exec_ctx, elem, GRPC_ERROR_REF(error)); - } else if (chand->lb_policy != NULL) { + } else if (chand->lb_policy != nullptr) { if (GRPC_TRACER_ON(grpc_client_channel_trace)) { gpr_log(GPR_DEBUG, "chand=%p calld=%p: resolver returned, doing pick", chand, calld); @@ -1252,7 +1254,7 @@ static void pick_after_resolver_result_done_locked(grpc_exec_ctx* exec_ctx, // removed in https://github.com/grpc/grpc/pull/12297. Need to figure // out what is actually causing this to occur and then figure out the // right way to deal with it. - else if (chand->resolver != NULL) { + else if (chand->resolver != nullptr) { // No LB policy, so try again. if (GRPC_TRACER_ON(grpc_client_channel_trace)) { gpr_log(GPR_DEBUG, @@ -1299,8 +1301,8 @@ static void start_pick_locked(grpc_exec_ctx* exec_ctx, void* arg, grpc_call_element* elem = (grpc_call_element*)arg; call_data* calld = (call_data*)elem->call_data; channel_data* chand = (channel_data*)elem->channel_data; - GPR_ASSERT(calld->connected_subchannel == NULL); - if (chand->lb_policy != NULL) { + GPR_ASSERT(calld->connected_subchannel == nullptr); + if (chand->lb_policy != nullptr) { // We already have an LB policy, so ask it for a pick. if (pick_callback_start_locked(exec_ctx, elem)) { // Pick completed synchronously. @@ -1309,7 +1311,7 @@ static void start_pick_locked(grpc_exec_ctx* exec_ctx, void* arg, } } else { // We do not yet have an LB policy, so wait for a resolver result. - if (chand->resolver == NULL) { + if (chand->resolver == nullptr) { pick_done_locked(exec_ctx, elem, GRPC_ERROR_CREATE_FROM_STATIC_STRING("Disconnected")); return; @@ -1331,7 +1333,7 @@ static void start_pick_locked(grpc_exec_ctx* exec_ctx, void* arg, static void on_complete(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error) { grpc_call_element* elem = (grpc_call_element*)arg; call_data* calld = (call_data*)elem->call_data; - if (calld->retry_throttle_data != NULL) { + if (calld->retry_throttle_data != nullptr) { if (error == GRPC_ERROR_NONE) { grpc_server_retry_throttle_data_record_success( calld->retry_throttle_data); @@ -1382,7 +1384,7 @@ static void cc_start_transport_stream_op_batch( } // If we have a subchannel call, send the cancellation batch down. // Otherwise, fail all pending batches. - if (calld->subchannel_call != NULL) { + if (calld->subchannel_call != nullptr) { grpc_subchannel_call_process_op(exec_ctx, calld->subchannel_call, batch); } else { waiting_for_pick_batches_add(calld, batch); @@ -1394,7 +1396,7 @@ static void cc_start_transport_stream_op_batch( // Intercept on_complete for recv_trailing_metadata so that we can // check retry throttle status. if (batch->recv_trailing_metadata) { - GPR_ASSERT(batch->on_complete != NULL); + GPR_ASSERT(batch->on_complete != nullptr); calld->original_on_complete = batch->on_complete; GRPC_CLOSURE_INIT(&calld->on_complete, on_complete, elem, grpc_schedule_on_exec_ctx); @@ -1404,7 +1406,7 @@ static void cc_start_transport_stream_op_batch( // Note that once we have completed the pick, we do not need to enter // the channel combiner, which is more efficient (especially for // streaming calls). - if (calld->subchannel_call != NULL) { + if (calld->subchannel_call != nullptr) { if (GRPC_TRACER_ON(grpc_client_channel_trace)) { gpr_log(GPR_DEBUG, "chand=%p calld=%p: sending batch to subchannel_call=%p", chand, @@ -1473,25 +1475,25 @@ static void cc_destroy_call_elem(grpc_exec_ctx* exec_ctx, grpc_deadline_state_destroy(exec_ctx, elem); } grpc_slice_unref_internal(exec_ctx, calld->path); - if (calld->method_params != NULL) { + if (calld->method_params != nullptr) { method_parameters_unref(calld->method_params); } GRPC_ERROR_UNREF(calld->error); - if (calld->subchannel_call != NULL) { + if (calld->subchannel_call != nullptr) { grpc_subchannel_call_set_cleanup_closure(calld->subchannel_call, then_schedule_closure); - then_schedule_closure = NULL; + then_schedule_closure = nullptr; GRPC_SUBCHANNEL_CALL_UNREF(exec_ctx, calld->subchannel_call, "client_channel_destroy_call"); } - GPR_ASSERT(calld->lb_policy == NULL); + GPR_ASSERT(calld->lb_policy == nullptr); GPR_ASSERT(calld->waiting_for_pick_batches_count == 0); - if (calld->connected_subchannel != NULL) { + if (calld->connected_subchannel != nullptr) { GRPC_CONNECTED_SUBCHANNEL_UNREF(exec_ctx, calld->connected_subchannel, "picked"); } for (size_t i = 0; i < GRPC_CONTEXT_COUNT; ++i) { - if (calld->subchannel_call_context[i].value != NULL) { + if (calld->subchannel_call_context[i].value != nullptr) { calld->subchannel_call_context[i].destroy( calld->subchannel_call_context[i].value); } @@ -1527,11 +1529,11 @@ const grpc_channel_filter grpc_client_channel_filter = { static void try_to_connect_locked(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error_ignored) { channel_data* chand = (channel_data*)arg; - if (chand->lb_policy != NULL) { + if (chand->lb_policy != nullptr) { grpc_lb_policy_exit_idle_locked(exec_ctx, chand->lb_policy); } else { chand->exit_idle_when_lb_policy_arrives = true; - if (!chand->started_resolving && chand->resolver != NULL) { + if (!chand->started_resolving && chand->resolver != nullptr) { start_resolving_locked(exec_ctx, chand); } } @@ -1569,7 +1571,7 @@ static external_connectivity_watcher* lookup_external_connectivity_watcher( gpr_mu_lock(&chand->external_connectivity_watcher_list_mu); external_connectivity_watcher* w = chand->external_connectivity_watcher_list_head; - while (w != NULL && w->on_complete != on_complete) { + while (w != nullptr && w->on_complete != on_complete) { w = w->next; } gpr_mu_unlock(&chand->external_connectivity_watcher_list_mu); @@ -1599,7 +1601,7 @@ static void external_connectivity_watcher_list_remove( } external_connectivity_watcher* w = chand->external_connectivity_watcher_list_head; - while (w != NULL) { + while (w != nullptr) { if (w->next == too_remove) { w->next = w->next->next; gpr_mu_unlock(&chand->external_connectivity_watcher_list_mu); @@ -1618,7 +1620,7 @@ int grpc_client_channel_num_external_connectivity_watchers( gpr_mu_lock(&chand->external_connectivity_watcher_list_mu); external_connectivity_watcher* w = chand->external_connectivity_watcher_list_head; - while (w != NULL) { + while (w != nullptr) { count++; w = w->next; } @@ -1643,8 +1645,8 @@ static void on_external_watch_complete_locked(grpc_exec_ctx* exec_ctx, static void watch_connectivity_state_locked(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error_ignored) { external_connectivity_watcher* w = (external_connectivity_watcher*)arg; - external_connectivity_watcher* found = NULL; - if (w->state != NULL) { + external_connectivity_watcher* found = nullptr; + if (w->state != nullptr) { external_connectivity_watcher_list_append(w->chand, w); GRPC_CLOSURE_RUN(exec_ctx, w->watcher_timer_init, GRPC_ERROR_NONE); GRPC_CLOSURE_INIT(&w->my_closure, on_external_watch_complete_locked, w, @@ -1652,12 +1654,12 @@ static void watch_connectivity_state_locked(grpc_exec_ctx* exec_ctx, void* arg, grpc_connectivity_state_notify_on_state_change( exec_ctx, &w->chand->state_tracker, w->state, &w->my_closure); } else { - GPR_ASSERT(w->watcher_timer_init == NULL); + GPR_ASSERT(w->watcher_timer_init == nullptr); found = lookup_external_connectivity_watcher(w->chand, w->on_complete); if (found) { GPR_ASSERT(found->on_complete == w->on_complete); grpc_connectivity_state_notify_on_state_change( - exec_ctx, &found->chand->state_tracker, NULL, &found->my_closure); + exec_ctx, &found->chand->state_tracker, nullptr, &found->my_closure); } grpc_polling_entity_del_from_pollset_set(exec_ctx, &w->pollent, w->chand->interested_parties); |