diff options
Diffstat (limited to 'apps/drwho/Multicast_Manager.cpp')
| -rw-r--r-- | apps/drwho/Multicast_Manager.cpp | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/apps/drwho/Multicast_Manager.cpp b/apps/drwho/Multicast_Manager.cpp deleted file mode 100644 index bd96e00310a..00000000000 --- a/apps/drwho/Multicast_Manager.cpp +++ /dev/null @@ -1,178 +0,0 @@ -// $Id$ - -#include "Multicast_Manager.h" -#include "ace/Mem_Map.h" -#include "ace/Log_Msg.h" - -// Initialize all the static member vars. -int Multicast_Manager::received_host_count = 0; -Host_Elem *Multicast_Manager::drwho_list = 0; -Host_Elem *Multicast_Manager::current_ptr = 0; - -// Names of hosts to query for friend info. -char *Multicast_Manager::host_names[] = -{ - "tango.cs.wustl.edu", - 0 // The NULL entry... -}; - -void -Multicast_Manager::insert_default_hosts (void) -{ - // Enter the static list of hosts into the dynamic table! - - for (char **np = host_names; - *np != 0; - np++) - Multicast_Manager::add_host (*np); -} - -// Inserts all the names in FILENAME into the list of hosts to -// contact. - -int -Multicast_Manager::insert_hosts_from_file (const char *filename) -{ - ACE_Mem_Map mmap (filename); - char *host_ptr = (char *) mmap.addr (); - - if (host_ptr == 0) - return -1; - else - { - for (char *end_ptr = host_ptr + mmap.size (); - host_ptr < end_ptr; - ) - { - Multicast_Manager::add_host (host_ptr); - - while (*host_ptr != '\n') - host_ptr++; - - *host_ptr++ = '\0'; - } - - return 0; - } -} - -// Returns the IP host address for the next unexamined host in the -// list. If no more unexamined hosts remain a 0 is returned, else a -// 1. - -int -Multicast_Manager::get_next_host_addr (in_addr &host_addr) -{ - for (Multicast_Manager::current_ptr = Multicast_Manager::current_ptr == 0 ? Multicast_Manager::drwho_list : Multicast_Manager::current_ptr->next; - - Multicast_Manager::current_ptr != 0; - Multicast_Manager::current_ptr = Multicast_Manager::current_ptr->next) - { - const char *host_name = Multicast_Manager::current_ptr->host_name; - hostent *hp = Multicast_Manager::get_host_entry (host_name); - - if (hp == 0) - { - ACE_ERROR ((LM_ERROR, - "%s: host unknown.\n", - host_name)); - continue; - } - - Multicast_Manager::received_host_count++; - ACE_OS::memcpy (&host_addr, - hp->h_addr, - sizeof host_addr); - ACE_OS::memcpy (&Multicast_Manager::current_ptr->host_addr, - hp->h_addr, - sizeof host_addr); - return 1; - } - - return 0; -} - -// This function attempts to get the internet address for either a -// hostname or hostnumber. The function makes the simplifying -// assumption that hostnames begin with an alphabetic character! - -hostent * -Multicast_Manager::get_host_entry (const char *host) -{ - static hostent host_entry; - hostent *hp; - - if (isdigit (*host)) // IP address. - { - u_long ia = ACE_OS::inet_addr (host); - - if (ia == (u_long) -1) - hp = 0; - else - hp = ACE_OS::gethostbyaddr ((char *) &ia, - sizeof ia, - AF_INET); - } - else - // Host name. - hp = ACE_OS::gethostbyname (host); - - - return hp == 0 ? 0 : (hostent *) memcpy (&host_entry, hp, sizeof *hp); -} - -// Adds an additional new host to the list of host machines. - -void -Multicast_Manager::add_host (const char *host_name) -{ - ACE_NEW (Multicast_Manager::drwho_list, - Host_Elem (host_name, - Multicast_Manager::drwho_list)); -} - -void -Multicast_Manager::checkoff_host (in_addr host_addr) -{ - for (Host_Elem *tmp = Multicast_Manager::drwho_list; - tmp != 0; - tmp = tmp->next) - if (ACE_OS::memcmp (&tmp->host_addr.s_addr, - &host_addr.s_addr, - sizeof host_addr.s_addr) == 0) - { - tmp->checked_off = 1; - Multicast_Manager::received_host_count--; - return; - } -} - -int -Multicast_Manager::get_next_non_responding_host (const char *&host_name) -{ - for (Multicast_Manager::current_ptr = Multicast_Manager::current_ptr == 0 ? Multicast_Manager::drwho_list : Multicast_Manager::current_ptr->next; - Multicast_Manager::current_ptr != 0; - Multicast_Manager::current_ptr = Multicast_Manager::current_ptr->next) - if (Multicast_Manager::current_ptr->checked_off == 0) - { - host_name = Multicast_Manager::current_ptr->host_name; - return 1; - } - - return 0; -} - -Host_Elem::Host_Elem (const char *h_name, - Host_Elem *n) - : host_name (h_name), - checked_off (0), - next (n) -{ -} - -int -Multicast_Manager::outstanding_hosts_remain (void) -{ - return Multicast_Manager::received_host_count > 0; -} - |