refactor sls client manager

本次代码评审主要增加了对企业配置提供者中区域端点的支持，引入了新的类和方法来管理端点信息，并优化了一些现有功能以提高性能和可靠性。
Link: https://code.alibaba-inc.com/sls/ilogtail/codereview/19609308

core/common/EnterpriseEndpointUtil.cpp

@@ -0,0 +1,81 @@
+// Copyright 2024 iLogtail Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "common/EnterpriseEndpointUtil.h"
+
+#include "common/EndpointUtil.h"
+#include "common/StringTools.h"
+#include "logger/Logger.h"
+
+using namespace std;
+
+namespace logtail {
+
+const string kLogEndpointSuffix = ".log.aliyuncs.com";
+const string kAccelerationDataEndpoint = "log-global.aliyuncs.com";
+
+bool IsCustomEndpoint(const string& endpoint) {
+    if (StartWith(endpoint, "log.") || StartWith(endpoint, "log-intranet.") || StartWith(endpoint, "log-internal.")
+        || EndWith(endpoint, ".aliyuncs.com") || EndWith(endpoint, ".aliyun-inc.com")) {
+        return false;
+    }
+    return true;
+}
+
+EndpointAddressType GetEndpointAddressType(const string& address) {
+    // 一国一云 OXS区访问 & VPC访问
+    if (StartWith(address, "log-intranet.") || StartWith(address, "log-internal.")) {
+        return EndpointAddressType::INTRANET;
+    }
+    // 一国一云 公网访问
+    if (StartWith(address, "log.")) {
+        return EndpointAddressType::PUBLIC;
+    }
+    if (EndWith(address, "-intranet" + kLogEndpointSuffix) || EndWith(address, "-internal" + kLogEndpointSuffix)) {
+        return EndpointAddressType::INTRANET;
+    }
+    if (!EndWith(address, "-share" + kLogEndpointSuffix) && EndWith(address, kLogEndpointSuffix)) {
+        return EndpointAddressType::PUBLIC;
+    }
+    return EndpointAddressType::INNER;
+}
+
+string CheckAddress(const string& definedAddress, const string& defaultAddress) {
+    // Domain name aliyun.com is going done, do not use it any more.
+    // Aone: https://aone.alibaba-inc.com/req/24401254.
+    if (definedAddress.find(".aliyun.com") != string::npos) {
+        const char* recommendedAddress = "http://cn-hangzhou-corp.sls.aliyuncs.com";
+        LOG_INFO(sLogger, ("*.aliyun.com is deprecated", definedAddress)("new", recommendedAddress));
+        return recommendedAddress;
+    }
+
+    return StandardizeHost(definedAddress, defaultAddress);
+}
+
+string CheckDataServerEndpoint(const string& endpoint) {
+    constexpr size_t logtailPrefixLen = sizeof("logtail.") - 1;
+    constexpr size_t configPrefixLen = sizeof("config.") - 1;
+
+    size_t index = endpoint.find("logtail.");
+    if (index == 0) {
+        return endpoint.substr(logtailPrefixLen);
+    }
+    index = endpoint.find("config.");
+    if (index == 0) {
+        return endpoint.substr(configPrefixLen);
+    }
+    return endpoint;
+}
+
+} // namespace logtail

core/common/EnterpriseEndpointUtil.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2024 iLogtail Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <string>
+
+namespace logtail {
+
+enum class EndpointAddressType { INNER, INTRANET, PUBLIC };
+
+extern const std::string kLogEndpointSuffix;
+extern const std::string kAccelerationDataEndpoint;
+
+bool IsCustomEndpoint(const std::string& endpoint);
+EndpointAddressType GetEndpointAddressType(const std::string& address);
+std::string CheckAddress(const std::string& definedAddress, const std::string& defaultAddress);
+std::string CheckDataServerEndpoint(const std::string& definedAddress);
+
+} // namespace logtail