chore: import upstream snapshot with attribution

2026-07-13 13:29:29 +08:00
commit f52cf32e56
1718 changed files with 366293 additions and 0 deletions
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+// A brpc based mysql transaction example
+#include <gflags/gflags.h>
+#include <butil/logging.h>
+#include <brpc/channel.h>
+#include "brpc/policy/mysql/mysql.h"
+#include "brpc/policy/mysql/mysql_authenticator.h"
+
+DEFINE_string(connection_type, "pooled", "Connection type. Available values: pooled, short");
+DEFINE_string(server, "127.0.0.1", "IP Address of server");
+DEFINE_int32(port, 3306, "Port of server");
+DEFINE_string(user, "brpcuser", "user name");
+DEFINE_string(password, "12345678", "password");
+DEFINE_string(schema, "brpc_test", "schema");
+DEFINE_string(params, "", "params");
+DEFINE_string(collation, "utf8mb4_general_ci", "collation");
+DEFINE_int32(timeout_ms, 5000, "RPC timeout in milliseconds");
+DEFINE_int32(connect_timeout_ms, 5000, "RPC timeout in milliseconds");
+DEFINE_int32(max_retry, 0, "Max retries(not including the first RPC)");
+DEFINE_bool(readonly, false, "readonly transaction");
+DEFINE_int32(isolation_level, 0, "transaction isolation level");
+
+namespace brpc {
+const char* logo();
+}
+
+// Send `command' to mysql-server via `channel'
+static bool access_mysql(brpc::Channel& channel, const std::vector<std::string>& commands) {
+    brpc::MysqlTransactionOptions options;
+    options.readonly = FLAGS_readonly;
+    options.isolation_level = brpc::MysqlIsolationLevel(FLAGS_isolation_level);
+    auto tx(brpc::NewMysqlTransaction(channel, options));
+    if (tx == NULL) {
+        LOG(ERROR) << "Fail to create transaction";
+        return false;
+    }
+
+    for (auto it = commands.begin(); it != commands.end(); ++it) {
+        brpc::MysqlRequest request(tx.get());
+        if (!request.Query(*it)) {
+            LOG(ERROR) << "Fail to add command";
+            tx->rollback();
+            return false;
+        }
+        brpc::MysqlResponse response;
+        brpc::Controller cntl;
+        channel.CallMethod(NULL, &cntl, &request, &response, NULL);
+        if (cntl.Failed()) {
+            LOG(ERROR) << "Fail to access mysql, " << cntl.ErrorText();
+            tx->rollback();
+            return false;
+        }
+        // check response
+        std::cout << response << std::endl;
+        for (size_t i = 0; i < response.reply_size(); ++i) {
+            if (response.reply(i).is_error()) {
+                tx->rollback();
+                return false;
+            }
+        }
+    }
+    tx->commit();
+    return true;
+}
+
+int main(int argc, char* argv[]) {
+    // Parse gflags. We recommend you to use gflags as well.
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
+
+    // A Channel represents a communication line to a Server. Notice that
+    // Channel is thread-safe and can be shared by all threads in your program.
+    brpc::Channel channel;
+
+    // Initialize the channel, NULL means using default options.
+    brpc::ChannelOptions options;
+    options.protocol = brpc::PROTOCOL_MYSQL;
+    options.connection_type = FLAGS_connection_type;
+    options.timeout_ms = FLAGS_timeout_ms /*milliseconds*/;
+    options.connect_timeout_ms = FLAGS_connect_timeout_ms;
+    options.max_retry = FLAGS_max_retry;
+    options.auth = new brpc::policy::MysqlAuthenticator(
+        FLAGS_user, FLAGS_password, FLAGS_schema, FLAGS_params, FLAGS_collation);
+    if (channel.Init(FLAGS_server.c_str(), FLAGS_port, &options) != 0) {
+        LOG(ERROR) << "Fail to initialize channel";
+        return -1;
+    }
+
+    if (argc <= 1) {
+        LOG(ERROR) << "No sql statement args";
+    } else {
+        std::vector<std::string> commands;
+        commands.reserve(argc * 16);
+        for (int i = 1; i < argc; ++i) {
+            commands.push_back(argv[i]);
+        }
+        if (!access_mysql(channel, commands)) {
+            return -1;
+        }
+    }
+    return 0;
+}
+
+/* vim: set expandtab ts=4 sw=4 sts=4 tw=100: */