| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #include <string.h> |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/string_util.h> |
| |
| #include "src/core/ext/client_config/lb_policy_factory.h" |
| |
| grpc_lb_addresses* grpc_lb_addresses_create(size_t num_addresses) { |
| grpc_lb_addresses* addresses = gpr_malloc(sizeof(grpc_lb_addresses)); |
| addresses->num_addresses = num_addresses; |
| const size_t addresses_size = sizeof(grpc_lb_address) * num_addresses; |
| addresses->addresses = gpr_malloc(addresses_size); |
| memset(addresses->addresses, 0, addresses_size); |
| return addresses; |
| } |
| |
| grpc_lb_addresses* grpc_lb_addresses_copy(grpc_lb_addresses* addresses, |
| void* (*user_data_copy)(void*)) { |
| grpc_lb_addresses* new_addresses = |
| grpc_lb_addresses_create(addresses->num_addresses); |
| memcpy(new_addresses->addresses, addresses->addresses, |
| sizeof(grpc_lb_address) * addresses->num_addresses); |
| for (size_t i = 0; i < addresses->num_addresses; ++i) { |
| if (new_addresses->addresses[i].balancer_name != NULL) { |
| new_addresses->addresses[i].balancer_name = |
| gpr_strdup(new_addresses->addresses[i].balancer_name); |
| } |
| if (user_data_copy != NULL) { |
| new_addresses->addresses[i].user_data = |
| user_data_copy(new_addresses->addresses[i].user_data); |
| } |
| } |
| return new_addresses; |
| } |
| |
| void grpc_lb_addresses_set_address(grpc_lb_addresses* addresses, size_t index, |
| void* address, size_t address_len, |
| bool is_balancer, char* balancer_name, |
| void* user_data) { |
| GPR_ASSERT(index < addresses->num_addresses); |
| grpc_lb_address* target = &addresses->addresses[index]; |
| memcpy(target->address.addr, address, address_len); |
| target->address.len = address_len; |
| target->is_balancer = is_balancer; |
| target->balancer_name = balancer_name; |
| target->user_data = user_data; |
| } |
| |
| void grpc_lb_addresses_destroy(grpc_lb_addresses* addresses, |
| void (*user_data_destroy)(void*)) { |
| for (size_t i = 0; i < addresses->num_addresses; ++i) { |
| gpr_free(addresses->addresses[i].balancer_name); |
| if (user_data_destroy != NULL) { |
| user_data_destroy(addresses->addresses[i].user_data); |
| } |
| } |
| gpr_free(addresses->addresses); |
| gpr_free(addresses); |
| } |
| |
| void grpc_lb_policy_factory_ref(grpc_lb_policy_factory* factory) { |
| factory->vtable->ref(factory); |
| } |
| |
| void grpc_lb_policy_factory_unref(grpc_lb_policy_factory* factory) { |
| factory->vtable->unref(factory); |
| } |
| |
| grpc_lb_policy* grpc_lb_policy_factory_create_lb_policy( |
| grpc_exec_ctx* exec_ctx, grpc_lb_policy_factory* factory, |
| grpc_lb_policy_args* args) { |
| if (factory == NULL) return NULL; |
| return factory->vtable->create_lb_policy(exec_ctx, factory, args); |
| } |