ACE/apps/drwho/Protocol_Manager.cpp

   1 #include "ace/config-all.h"
   2 #include "ace/Log_Msg.h"
   3 #include "ace/OS_Memory.h"
   4 #include "ace/OS_NS_string.h"
   5
   6 #include "Options.h"
   7 #include "Protocol_Manager.h"
   8
   9 // Returns a pointer to the Drwho_Node associated with HOST_NAME (if
  10 // it exists, otherwise a new node is created.  Note that if a
  11 // Drwho_Node is found it is moved to the front of the list so that
  12 // subsequent finds are faster (i.e., self-organizing!)
  13
  14 Drwho_Node *
  15 Protocol_Manager::get_drwho_node (char *key_name, Drwho_Node *&head)
  16 {
  17   Drwho_Node **temp = &head;
  18   for (; *temp != 0; temp = &(*temp)->next_)
  19     if (ACE_OS::strcmp (key_name,
  20                         (*temp)->get_login_name ()) == 0)
  21       break;
  22
  23   if (*temp == 0)
  24     ACE_NEW_RETURN (head,
  25                     Drwho_Node (key_name, head),
  26                     0);
  27   else
  28     {
  29       Drwho_Node *t = *temp;
  30
  31       *temp = (*temp)->next_;
  32       t->next_ = head;
  33
  34       head = t;
  35     }
  36
  37   return head;
  38 }
  39
  40 Protocol_Manager::Protocol_Manager ()
  41   : total_users (0)
  42 {
  43 }
  44
  45 Protocol_Manager::~Protocol_Manager ()
  46 {
  47   if (Options::get_opt (Options::DEBUGGING))
  48     ACE_DEBUG ((LM_DEBUG,
  49                 "disposing Protocol_Manager\n"));
  50 }
  51
  52 // Returns the next friend in the sequence of sorted friends.
  53
  54 Protocol_Record *
  55 Protocol_Manager::get_next_friend ()
  56 {
  57   return this->ss->get_next_entry ();
  58 }
  59
  60 Protocol_Record *
  61 Protocol_Manager::get_each_friend ()
  62 {
  63   return this->ss->get_each_entry ();
  64 }
  65
  66 // Returns the number of friends.
  67
  68 int
  69 Protocol_Manager::friend_count ()
  70 {
  71   return this->ss->n_elems ();
  72 }
  73
  74 // Returns total number of users logged in throughout the system.
  75
  76 int
  77 Protocol_Manager::get_total_users ()
  78 {
  79   return Protocol_Manager::total_users;
  80 }
  81
  82 void
  83 Protocol_Manager::increment_total_users (int remote_users)
  84 {
  85   Protocol_Manager::total_users += remote_users;
  86 }