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0b7baa7e5a
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
/*
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* Copyright (c) 2021, Jan de Visser <jan@de-visser.net>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/String.h>
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#include <AK/Vector.h>
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#include <LibSQL/Result.h>
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#include <SQLServer/ConnectionFromClient.h>
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#include <SQLServer/DatabaseConnection.h>
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#include <SQLServer/SQLStatement.h>
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namespace SQLServer {
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static HashMap<int, RefPtr<ConnectionFromClient>> s_connections;
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RefPtr<ConnectionFromClient> ConnectionFromClient::client_connection_for(int client_id)
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{
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if (s_connections.contains(client_id))
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return *s_connections.get(client_id).value();
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dbgln_if(SQLSERVER_DEBUG, "Invalid client_id {}", client_id);
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return nullptr;
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}
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ConnectionFromClient::ConnectionFromClient(NonnullOwnPtr<Core::Stream::LocalSocket> socket, int client_id)
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: IPC::ConnectionFromClient<SQLClientEndpoint, SQLServerEndpoint>(*this, move(socket), client_id)
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{
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s_connections.set(client_id, *this);
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}
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void ConnectionFromClient::die()
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{
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s_connections.remove(client_id());
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}
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Messages::SQLServer::ConnectResponse ConnectionFromClient::connect(String const& database_name)
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{
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dbgln_if(SQLSERVER_DEBUG, "ConnectionFromClient::connect(database_name: {})", database_name);
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auto database_connection = DatabaseConnection::construct(database_name, client_id());
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return { database_connection->connection_id() };
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}
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void ConnectionFromClient::disconnect(int connection_id)
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{
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dbgln_if(SQLSERVER_DEBUG, "ConnectionFromClient::disconnect(connection_id: {})", connection_id);
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auto database_connection = DatabaseConnection::connection_for(connection_id);
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if (database_connection)
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database_connection->disconnect();
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else
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dbgln("Database connection has disappeared");
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}
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Messages::SQLServer::SqlStatementResponse ConnectionFromClient::sql_statement(int connection_id, String const& sql)
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{
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dbgln_if(SQLSERVER_DEBUG, "ConnectionFromClient::sql_statement(connection_id: {}, sql: '{}')", connection_id, sql);
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auto database_connection = DatabaseConnection::connection_for(connection_id);
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if (database_connection) {
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auto statement_id = database_connection->sql_statement(sql);
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dbgln_if(SQLSERVER_DEBUG, "ConnectionFromClient::sql_statement -> statement_id = {}", statement_id);
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return { statement_id };
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} else {
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dbgln("Database connection has disappeared");
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return { -1 };
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}
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}
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void ConnectionFromClient::statement_execute(int statement_id)
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{
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dbgln_if(SQLSERVER_DEBUG, "ConnectionFromClient::statement_execute_query(statement_id: {})", statement_id);
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auto statement = SQLStatement::statement_for(statement_id);
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if (statement && statement->connection()->client_id() == client_id()) {
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statement->execute();
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} else {
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dbgln_if(SQLSERVER_DEBUG, "Statement has disappeared");
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async_execution_error(statement_id, (int)SQL::SQLErrorCode::StatementUnavailable, String::formatted("{}", statement_id));
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}
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}
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}
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