[thirdparty/squid.git] / src / ipc / Messages.h

/*
 * $Id$
 *
 * DEBUG: section 54    Interprocess Communication
 *
 */

#ifndef SQUID_IPC_MESSAGES_H
#define SQUID_IPC_MESSAGES_H

#include <sys/types.h>

/** Declarations used by varios IPC messages */

namespace Ipc
{

class TypedMsgHdr;

/// message class identifier
typedef enum { mtNone = 0, mtRegistration,
    mtSharedListenRequest, mtSharedListenResponse } MessageType;

/// Strand location details
class StrandCoord {
public:
    StrandCoord(); ///< unknown location
    StrandCoord(int akidId, pid_t aPid); ///< from registrant
    explicit StrandCoord(const TypedMsgHdr &hdrMsg); ///< from recvmsg()
    void pack(TypedMsgHdr &hdrMsg) const; ///< prepare for sendmsg()

public:
    int kidId; ///< internal Squid process number
    pid_t pid; ///< OS process or thread identifier
};

} // namespace Ipc;


#endif /* SQUID_IPC_MESSAGES_H */
Commit	Line	Data
1bac0258 AR	1	/*
	2	* $Id$
	3	*
	4	* DEBUG: section 54 Interprocess Communication
	5	*
	6	*/
	7
	8	#ifndef SQUID_IPC_MESSAGES_H
	9	#define SQUID_IPC_MESSAGES_H
	10
	11	#include <sys/types.h>
1bac0258	12
f9b9f3bc	13	/** Declarations used by varios IPC messages */
1bac0258 AR	14
	15	namespace Ipc
	16	{
	17
	18	class TypedMsgHdr;
	19
f9b9f3bc	20	/// message class identifier
7230e9c7	21	typedef enum { mtNone = 0, mtRegistration,
f9b9f3bc	22	mtSharedListenRequest, mtSharedListenResponse } MessageType;
1bac0258 AR	23
	24	/// Strand location details
	25	class StrandCoord {
	26	public:
7230e9c7 AR	27	StrandCoord(); ///< unknown location
	28	StrandCoord(int akidId, pid_t aPid); ///< from registrant
	29	explicit StrandCoord(const TypedMsgHdr &hdrMsg); ///< from recvmsg()
	30	void pack(TypedMsgHdr &hdrMsg) const; ///< prepare for sendmsg()
1bac0258 AR	31
	32	public:
	33	int kidId; ///< internal Squid process number
	34	pid_t pid; ///< OS process or thread identifier
	35	};
	36
1bac0258 AR	37	} // namespace Ipc;
	38
	39
	40	#endif /* SQUID_IPC_MESSAGES_H */