src/adaptation/AccessCheck.h

   1 #ifndef SQUID_ADAPTATION__ACCESS_CHECK_H
   2 #define SQUID_ADAPTATION__ACCESS_CHECK_H
   3
   4 #include "ICAP/AsyncJob.h"
   5 #include "adaptation/Elements.h"
   6 #include "adaptation/forward.h"
   7
   8 class HttpRequest;
   9 class HttpReply;
  10
  11 namespace Adaptation {
  12
  13 class AccessRule;
  14
  15 // checks adaptation_access rules to find a matching adaptation service
  16 class AccessCheck: public virtual AsyncJob
  17 {
  18
  19 public:
  20     typedef void AccessCheckCallback(ServicePointer match, void *data);
  21     AccessCheck(Method, VectPoint, HttpRequest *, HttpReply *, AccessCheckCallback *, void *);
  22     ~AccessCheck();
  23
  24 private:
  25     Method method;
  26     VectPoint point;
  27     HttpRequest *req;
  28     HttpReply *rep;
  29     AccessCheckCallback *callback;
  30     void *callback_data;
  31     ACLChecklist *acl_checklist;
  32
  33     typedef int Candidate;
  34     typedef Vector<Candidate> Candidates;
  35     Candidates candidates;
  36     Candidate topCandidate() { return *candidates.begin(); }
  37
  38     void do_callback();
  39     ServicePointer findBestService(AccessRule &r, bool preferUp);
  40     bool done;
  41
  42 public:
  43     void check();
  44     void checkCandidates();
  45     static void AccessCheckCallbackWrapper(int, void*);
  46 #if 0
  47     static EVH AccessCheckCallbackEvent;
  48 #endif
  49     void noteAnswer(int answer);
  50
  51 //AsyncJob virtual methods
  52     virtual bool doneAll() const { return AsyncJob::doneAll() && done;}
  53
  54 private:
  55     CBDATA_CLASS2(AccessCheck);
  56 };
  57
  58 } // namespace Adaptation
  59
  60 #endif /* SQUID_ADAPTATION__ACCESS_CHECK_H */