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搭建PVB架构，实现前端的基础布局、菜单、表格、图示等功能

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lixiaoyuan
2025-08-20 19:00:22 +08:00
parent 5de7687bcc
commit 7e965b6fb4
142 changed files with 28270 additions and 411 deletions
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libs/pvb/include/rllib/rldataprovider.h Normal file
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/***************************************************************************
rldataprovider.h - description
-------------------
begin : Fri Dec 20 2002
copyright : (C) 2002 by R. Lehrig
email : lehrig@t-online.de
***************************************************************************/
/***************************************************************************
* *
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE as *
* published by the Free Software Foundation *
* *
***************************************************************************/
#ifndef _RL_DATA_PROVIDER_H_
#define _RL_DATA_PROVIDER_H_
#include "rldefine.h"
#include "rlsocket.h"
#include "rlthread.h"
#include "rlinterpreter.h"
/*! <pre>
This class is a container for data.
You can get/set the data identified by id.
The run method starts a separate thread that makes rlDataProvider available over TCP.
</pre> */
class rlDataProvider
{
public:
rlDataProvider(int numInteger, int numFloat=0, int numString=0);
virtual ~rlDataProvider();
int getInt (int id);
float getFloat (int id);
int getIntArray (int id, int *i, int nmax);
int getFloatArray (int id, float *f, int nmax);
const char *getString(int id);
int setInt (int id, int i);
int setFloat (int id, float f);
int setIntArray (int id, int *i, int num);
int setFloatArray (int id, float *f, int num);
int setString(int id, const char *str);
int getIntAndReset(int id);
int setIntAndWaitForReset(int id, int i);
int setInt0Semaphore(int i);
int getInt0Semaphore();
int run(rlSocket *socket);
private:
typedef char* CHARPTR;
int *ints;
float *floats;
char **strings;
int num_integer, num_float, num_string;
rlMutex mutex;
rlSemaphore int0semaphore;
};
/*! <pre>
This class is a client that can access rlDataProvider over TCP.
</pre> */
class rlDataProviderClient
{
public:
rlDataProviderClient();
virtual ~rlDataProviderClient();
int getInt (rlSocket *socket, int id, int *status);
float getFloat (rlSocket *socket, int id, int *status);
int getIntArray (rlSocket *socket, int id, int *array, int nmax);
int getFloatArray (rlSocket *socket, int id, float *array, int nmax);
const char *getString (rlSocket *socket, int id, int *status);
int setInt (rlSocket *socket, int id, int i);
int setFloat (rlSocket *socket, int id, float f);
int setIntArray (rlSocket *socket, int id, int *i, int num);
int setFloatArray (rlSocket *socket, int id, float *f, int num);
int setString (rlSocket *socket, int id, const char *str);
int getIntAndReset (rlSocket *socket, int id, int *status);
int setIntAndWaitForReset(rlSocket *socket, int id, int i);
int getInt0Semaphore (rlSocket *socket, int *status);
private:
rlInterpreter interpreter;
char cret[rl_PRINTF_LENGTH];
};
/*! <pre>
This class starts a separate thread.
The thread is accepting clients, that want access to rlDataProvider.
</pre> */
class rlDataProviderThreads
{
public:
rlDataProviderThreads(int Port, rlDataProvider *Provider);
virtual ~rlDataProviderThreads();
void start();
rlDataProvider *provider;
rlThread thread;
int port;
};
#endif