src/sharedmemory.c

   1 #include "sharedmemory.h"\r
   2 #include "sharedmemory_global.h"\r
   3 \r
   4 void Sharedmemory_init( int bindport, int bindport6 ) \r
   5 {\r
   6                  \r
   7   int server_max_clients = getIntConf(MAX_CLIENTS);  \r
   8   int shmtotal_size =  sizeof( shm_t  ) + (sizeof( shmclient_t ) * server_max_clients);\r
   9 \r
  10   if( !bindport )\r
  11   {\r
  12     bindport = getIntConf(BINDPORT);  \r
  13   }\r
  14 \r
  15   sprintf( shm_file_name, "/umurmurd:%i", bindport );\r
  16   Log_info("SHM_API: shm_fd=\"%s\"", shm_file_name  );\r
  17 \r
  18     shm_fd = shm_open( shm_file_name, O_CREAT | O_RDWR, 0660 );\r
  19         if(shm_fd == -1)\r
  20         {\r
  21             Log_fatal( "SHM_API: Open failed:%s\n", strerror(errno));\r
  22             exit(1);\r
  23         }  \r
  24 \r
  25         if( ftruncate( shm_fd, shmtotal_size ) == -1 )\r
  26         {\r
  27             Log_fatal( "SHM_API: ftruncate : %s\n", strerror(errno));  \r
  28             exit(1);\r
  29         }\r
  30 \r
  31         shmptr = mmap(0, shmtotal_size, PROT_READ | PROT_WRITE, MAP_SHARED, shm_fd, 0);\r
  32         if (shmptr == (void *) -1) \r
  33         {\r
  34             Log_fatal( "SHM_API: mmap failed : %s\n", strerror(errno));\r
  35             exit(1);\r
  36         } \r
  37 \r
  38   memset( shmptr, 0, shmtotal_size );\r
  39 \r
  40   shmptr->umurmurd_pid = getpid();\r
  41   shmptr->server_max_clients = server_max_clients;   \r
  42   shmptr->shmtotal_size = shmtotal_size;\r
  43   shmptr->shmclient_size = sizeof( shmclient_t ) * shmptr->server_max_clients;                           \r
  44  \r
  45 }\r
  46 \r
  47 void Sharedmemory_update(void) \r
  48 {\r
  49 \r
  50   uint64_t now;\r
  51   unsigned int cc = 0;\r
  52   client_t *client_itr = NULL;\r
  53 \r
  54     memset( &shmptr->client[0], 0, shmptr->shmclient_size );\r
  55     shmptr->clientcount = Client_count();\r
  56     \r
  57       if( shmptr->clientcount )\r
  58       {\r
  59         Timer_init( &now );\r
  60           while( Client_iterate(&client_itr) != NULL )\r
  61           {                                                                                   \r
  62             if( client_itr->authenticated )\r
  63             {        \r
  64               channel_t *channel = client_itr->channel;\r
  65         \r
  66                 strncpy( shmptr->client[cc].username, client_itr->username, 120 );\r
  67                 strncpy( shmptr->client[cc].ipaddress, Util_clientAddressToString( client_itr ), 45 );\r
  68                 strncpy( shmptr->client[cc].channel, channel->name, 120 );\r
  69                 \r
  70                 strncpy( shmptr->client[cc].os, client_itr->os, 120 );\r
  71                 strncpy( shmptr->client[cc].release, client_itr->release, 120 );\r
  72                 strncpy( shmptr->client[cc].os_version, client_itr->os_version, 120 );\r
  73                 \r
  74                 shmptr->client[cc].tcp_port = Util_clientAddressToPortTCP( client_itr );\r
  75                 shmptr->client[cc].udp_port = Util_clientAddressToPortUDP( client_itr );                \r
  76         \r
  77                 shmptr->client[cc].online_secs = ( now - client_itr->connectTime ) / 1000000LL;\r
  78                 shmptr->client[cc].idle_secs = ( now - client_itr->idleTime ) / 1000000LL;\r
  79                         \r
  80                 shmptr->client[cc].bUDP  = client_itr->bUDP;\r
  81                 shmptr->client[cc].deaf  = client_itr->deaf;\r
  82                 shmptr->client[cc].mute  = client_itr->mute;\r
  83                 shmptr->client[cc].bOpus  = client_itr->bOpus;\r
  84                 shmptr->client[cc].self_deaf  = client_itr->self_deaf;\r
  85                 shmptr->client[cc].self_mute  = client_itr->self_mute;\r
  86                 shmptr->client[cc].recording  = client_itr->recording;\r
  87                 shmptr->client[cc].authenticated  = client_itr->authenticated;\r
  88                 \r
  89                 shmptr->client[cc].availableBandwidth  = client_itr->availableBandwidth;\r
  90                 \r
  91                 shmptr->client[cc].UDPPingAvg = client_itr->UDPPingAvg;\r
  92                 shmptr->client[cc].UDPPingVar = client_itr->UDPPingVar;\r
  93                 shmptr->client[cc].TCPPingAvg = client_itr->TCPPingAvg;\r
  94                 shmptr->client[cc].TCPPingVar = client_itr->TCPPingVar;\r
  95                 \r
  96                 shmptr->client[cc].isAdmin = client_itr->isAdmin;\r
  97                 shmptr->client[cc].isSuppressed = client_itr->isSuppressed;\r
  98                 \r
  99                 shmptr->client[cc].UDPPackets = client_itr->UDPPackets;\r
 100                 shmptr->client[cc].TCPPackets = client_itr->TCPPackets;\r
 101                 \r
 102             }  \r
 103           cc++;     \r
 104         }\r
 105       } \r
 106 }\r
 107 void Sharedmemory_alivetick(void)\r
 108 {\r
 109  shmptr->alive++;\r
 110 }\r
 111 \r
 112 void Sharedmemory_deinit(void) \r
 113 {\r
 114   close( shm_fd );\r
 115   shm_unlink( shm_file_name );\r
 116   shmptr->umurmurd_pid = 0;\r
 117 }