1 /* 2 * Copyright (C) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #include "connection_retry_policy.h" 17 18 #include "telephony_log_wrapper.h" 19 20 namespace OHOS { 21 namespace Telephony { 22 constexpr static const int64_t DEFAULT_DELAY_FOR_NEXT_APN = 2 * 1000; 23 24 ConnectionRetryPolicy::ConnectionRetryPolicy() = default; 25 26 ConnectionRetryPolicy::~ConnectionRetryPolicy() = default; 27 GetNextRetryApnItem() const28sptr<ApnItem> ConnectionRetryPolicy::GetNextRetryApnItem() const 29 { 30 if (matchedApns_.empty()) { 31 TELEPHONY_LOGE("matchedApns is null"); 32 return nullptr; 33 } 34 if (currentApnIndex_ >= static_cast<int32_t>(matchedApns_.size()) || currentApnIndex_ < 0) { 35 currentApnIndex_ = 0; 36 return matchedApns_[currentApnIndex_]; 37 } 38 sptr<ApnItem> apnItem = matchedApns_[currentApnIndex_]; 39 tryCount_++; 40 if ((apnItem != nullptr && apnItem->IsBadApn()) || (tryCount_ > maxCount_)) { 41 tryCount_ = 0; 42 currentApnIndex_++; 43 return GetNextRetryApnItem(); 44 } 45 return apnItem; 46 } 47 SetMatchedApns(std::vector<sptr<ApnItem>> & apns)48void ConnectionRetryPolicy::SetMatchedApns(std::vector<sptr<ApnItem>> &apns) 49 { 50 matchedApns_ = apns; 51 } 52 ClearRetryApns()53void ConnectionRetryPolicy::ClearRetryApns() 54 { 55 matchedApns_.clear(); 56 } 57 MarkBadApn(ApnItem & apn)58void ConnectionRetryPolicy::MarkBadApn(ApnItem &apn) 59 { 60 // The APN that fails after multiple retries is true 61 apn.MarkBadApn(true); 62 } 63 GetNextRetryDelay() const64int64_t ConnectionRetryPolicy::GetNextRetryDelay() const 65 { 66 return DEFAULT_DELAY_FOR_NEXT_APN; 67 } 68 InitialRetryCountValue()69void ConnectionRetryPolicy::InitialRetryCountValue() 70 { 71 tryCount_ = 0; 72 TELEPHONY_LOGI("tryCount_ is %{public}d", tryCount_); 73 } 74 } // namespace Telephony 75 } // namespace OHOS