[thirdparty/squid.git] / src / LoadableModule.h

#ifndef SQUID_LOADABLE_MODULE_H
#define SQUID_LOADABLE_MODULE_H

#include "SquidString.h"

// wrapper for dlopen(3), libltdl, and friends
class LoadableModule
{
public:
    enum LoadMode { lmNow, lmLazy };

public:
    LoadableModule(const String &aName);
    ~LoadableModule();           // unloads if loaded

    bool loaded() const;
    const String &name() const { return theName; }
    const String &error() const { return theError; }

    void load(int mode = lmNow); // throws Texc
    void unload(); // throws Texc

protected:
    String theName;
    String theError;
    void *theHandle;

private:
    void *openModule(int mode);
    bool closeModule();
    const char *errorMsg();
};

#endif
Commit	Line	Data
57afc994 AR	1	#ifndef SQUID_LOADABLE_MODULE_H
	2	#define SQUID_LOADABLE_MODULE_H
	3
	4	#include "SquidString.h"
	5
	6	// wrapper for dlopen(3), libltdl, and friends
26ac0430 AJ	7	class LoadableModule
26ac0430 AJ	8	{
57afc994 AR	9	public:
	10	enum LoadMode { lmNow, lmLazy };
	11
	12	public:
	13	LoadableModule(const String &aName);
	14	~LoadableModule(); // unloads if loaded
	15
	16	bool loaded() const;
	17	const String &name() const { return theName; }
	18	const String &error() const { return theError; }
	19
	20	void load(int mode = lmNow); // throws Texc
	21	void unload(); // throws Texc
	22
	23	protected:
	24	String theName;
	25	String theError;
	26	void *theHandle;
	27
	28	private:
	29	void *openModule(int mode);
	30	bool closeModule();
	31	const char *errorMsg();
	32	};
	33
	34	#endif