CommandInterpreter.hpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:3k
源码类别:
MySQL数据库
开发平台:
Visual C++
- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #ifndef CommandInterpreter_H
- #define CommandInterpreter_H
- #include <ndb_global.h>
- #include <Vector.hpp>
- #include <BaseString.hpp>
- class MgmtSrvr;
- class CommandInterpreter {
- public:
- CommandInterpreter(MgmtSrvr& mgmtSrvr);
- int readAndExecute();
- private:
- char m_err_str[1024];
- const char *get_error_text(int err_no);
- char *readline_gets ()
- {
- static char linebuffer[254];
- static char *line_read = (char *)NULL;
- /* If the buffer has already been allocated, return the memory
- to the free pool. */
- if (line_read)
- {
- free (line_read);
- line_read = (char *)NULL;
- }
- /* Get a line from the user. */
- fputs("ndb_mgmd> ", stdout);
- linebuffer[sizeof(linebuffer)-1]=0;
- line_read = fgets(linebuffer, sizeof(linebuffer)-1, stdin);
- if (line_read == linebuffer) {
- char *q=linebuffer;
- while (*q > 31) q++;
- *q=0;
- line_read= strdup(linebuffer);
- }
- return (line_read);
- }
- void analyseAfterFirstToken(int processId, char* allAfterFirstTokenCstr);
- bool parseBlockSpecification(const char* allAfterLog,
- Vector<BaseString>& blocks);
- public:
- void executeTrace(int processId, const char* parameters, bool all);
- void executeLogIn(int processId, const char* parameters, bool all);
- void executeLogOut(int processId, const char* parameters, bool all);
- void executeLogOff(int processId, const char* parameters, bool all);
- public:
- typedef void (CommandInterpreter::* ExecuteFunction)(int processId,
- const char * param,
- bool all);
- struct CommandFunctionPair {
- const char * command;
- ExecuteFunction executeFunction;
- };
- private:
- /**
- *
- */
- void executeForAll(const char * cmd, ExecuteFunction fun, const char * param);
- /**
- * Management server to use when executing commands
- */
- MgmtSrvr& _mgmtSrvr;
- };
- #endif // CommandInterpreter_H