src/ipc/StrandCoord.h

   1 /*
   2  * $Id$
   3  *
   4  */
   5
   6 #ifndef SQUID_IPC_STRAND_COORD_H
   7 #define SQUID_IPC_STRAND_COORD_H
   8
   9 #include "ipc/forward.h"
  10 #include "SquidString.h"
  11
  12 namespace Ipc
  13 {
  14
  15 /// Strand location details
  16 class StrandCoord
  17 {
  18 public:
  19     StrandCoord(); ///< unknown location
  20     StrandCoord(int akidId, pid_t aPid);
  21
  22     void pack(TypedMsgHdr &hdrMsg) const; ///< prepare for sendmsg()
  23     void unpack(const TypedMsgHdr &hdrMsg); ///< from recvmsg()
  24
  25 public:
  26     int kidId; ///< internal Squid process number
  27     pid_t pid; ///< OS process or thread identifier
  28
  29     String tag; ///< optional unique well-known key (e.g., cache_dir path)
  30 };
  31
  32 /// strand registration with Coordinator (also used as an ACK)
  33 class HereIamMessage
  34 {
  35 public:
  36     explicit HereIamMessage(const StrandCoord &strand); ///< from registrant
  37     explicit HereIamMessage(const TypedMsgHdr &hdrMsg); ///< from recvmsg()
  38     void pack(TypedMsgHdr &hdrMsg) const; ///< prepare for sendmsg()
  39
  40 public:
  41     StrandCoord strand; ///< registrant coordinates and related details
  42 };
  43
  44 } // namespace Ipc;
  45
  46 #endif /* SQUID_IPC_STRAND_COORD_H */