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3a71748e5d
This was done with CLion's automatic rename feature and with:
find . -name ClientConnection.h
| rename 's/ClientConnection\.h/ConnectionFromClient.h/'
find . -name ClientConnection.cpp
| rename 's/ClientConnection\.cpp/ConnectionFromClient.cpp/'
87 lines
3.4 KiB
C++
87 lines
3.4 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/LexicalPath.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, NonnullRefPtr<DatabaseConnection>> s_connections;
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RefPtr<DatabaseConnection> DatabaseConnection::connection_for(int connection_id)
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{
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if (s_connections.contains(connection_id))
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return *s_connections.get(connection_id).value();
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dbgln_if(SQLSERVER_DEBUG, "Invalid connection_id {}", connection_id);
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return nullptr;
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}
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static int s_next_connection_id = 0;
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DatabaseConnection::DatabaseConnection(String database_name, int client_id)
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: Object()
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, m_database_name(move(database_name))
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, m_connection_id(s_next_connection_id++)
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, m_client_id(client_id)
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{
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if (LexicalPath path(m_database_name); (path.title() != m_database_name) || (path.dirname() != ".")) {
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auto client_connection = ConnectionFromClient::client_connection_for(m_client_id);
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client_connection->async_connection_error(m_connection_id, (int)SQL::SQLErrorCode::InvalidDatabaseName, m_database_name);
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return;
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}
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dbgln_if(SQLSERVER_DEBUG, "DatabaseConnection {} initiating connection with database '{}'", connection_id(), m_database_name);
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s_connections.set(m_connection_id, *this);
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deferred_invoke([this]() {
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m_database = SQL::Database::construct(String::formatted("/home/anon/sql/{}.db", m_database_name));
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auto client_connection = ConnectionFromClient::client_connection_for(m_client_id);
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if (auto maybe_error = m_database->open(); maybe_error.is_error()) {
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client_connection->async_connection_error(m_connection_id, (int)SQL::SQLErrorCode::InternalError, maybe_error.error().string_literal());
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return;
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}
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m_accept_statements = true;
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if (client_connection)
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client_connection->async_connected(m_connection_id, m_database_name);
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else
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warnln("Cannot notify client of database connection. Client disconnected");
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});
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}
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void DatabaseConnection::disconnect()
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{
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dbgln_if(SQLSERVER_DEBUG, "DatabaseConnection::disconnect(connection_id {}, database '{}'", connection_id(), m_database_name);
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m_accept_statements = false;
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deferred_invoke([this]() {
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m_database = nullptr;
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s_connections.remove(m_connection_id);
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auto client_connection = ConnectionFromClient::client_connection_for(client_id());
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if (client_connection)
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client_connection->async_disconnected(m_connection_id);
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else
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warnln("Cannot notify client of database disconnection. Client disconnected");
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});
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}
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int DatabaseConnection::sql_statement(String const& sql)
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{
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dbgln_if(SQLSERVER_DEBUG, "DatabaseConnection::sql_statement(connection_id {}, database '{}', sql '{}'", connection_id(), m_database_name, sql);
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auto client_connection = ConnectionFromClient::client_connection_for(client_id());
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if (!client_connection) {
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warnln("Cannot notify client of database disconnection. Client disconnected");
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return -1;
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}
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if (!m_accept_statements) {
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client_connection->async_execution_error(-1, (int)SQL::SQLErrorCode::DatabaseUnavailable, m_database_name);
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return -1;
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}
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auto statement = SQLStatement::construct(*this, sql);
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return statement->statement_id();
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}
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}
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