src/ssl/context_storage.h

   1 #ifndef SQUID_SSL_CONTEXT_STORAGE_H
   2 #define SQUID_SSL_CONTEXT_STORAGE_H
   3
   4 #if USE_SSL
   5
   6 #include "base/LruMap.h"
   7 #include "CacheManager.h"
   8 #include "ip/Address.h"
   9 #include "mgr/Action.h"
  10 #include "mgr/Command.h"
  11 #include "SquidTime.h"
  12 #include "ssl/gadgets.h"
  13 #if HAVE_MAP
  14 #include <map>
  15 #endif
  16 #if HAVE_LIST
  17 #include <list>
  18 #endif
  19 #include <openssl/ssl.h>
  20
  21 /// TODO: Replace on real size.
  22 #define SSL_CTX_SIZE 1024
  23
  24 namespace  Ssl
  25 {
  26
  27 /** Reports cached SSL certificate stats to Cache Manager.
  28  * TODO: Use "Report" functions instead friend class.
  29  */
  30 class CertificateStorageAction : public Mgr::Action
  31 {
  32 public:
  33     CertificateStorageAction(const Mgr::Command::Pointer &cmd);
  34     static Pointer Create(const Mgr::Command::Pointer &cmd);
  35     virtual void dump (StoreEntry *sentry);
  36     /**
  37      * We do not support aggregation of information across workers
  38      * TODO: aggregate these stats
  39      */
  40     virtual bool aggregatable() const { return false; }
  41 };
  42
  43 typedef LruMap<SSL_CTX_Pointer, SSL_CTX_SIZE> LocalContextStorage;
  44
  45 /// Class for storing/manipulating LocalContextStorage per local listening address/port.
  46 class GlobalContextStorage
  47 {
  48     friend class CertificateStorageAction;
  49 public:
  50     GlobalContextStorage();
  51     ~GlobalContextStorage();
  52     /// Create new SSL context storage for the local listening address/port.
  53     void addLocalStorage(Ip::Address const & address, size_t size_of_store);
  54     /// Return the local storage for the given listening address/port.
  55     LocalContextStorage & getLocalStorage(Ip::Address const & address);
  56     /// When reconfigring should be called this method.
  57     void reconfigureStart();
  58 private:
  59     /// Called by getLocalStorage method
  60     void reconfigureFinish();
  61     bool reconfiguring; ///< True if system reconfiguring now.
  62     /// Storage used on configure or reconfigure.
  63     std::map<Ip::Address, size_t> configureStorage;
  64     /// Map for storing all local ip address and their local storages.
  65     std::map<Ip::Address, LocalContextStorage *> storage;
  66 };
  67
  68 /// Global cache for store all SSL server certificates.
  69 extern GlobalContextStorage TheGlobalContextStorage;
  70 } //namespace Ssl
  71 #endif // USE_SSL
  72
  73 #endif // SQUID_SSL_CONTEXT_STORAGE_H