src/sharedmemory.c

   1 #include "sharedmemory.h"\r
   2 \r
   3 int shm_fd;\r
   4 shm_t *shmptr = NULL;\r
   5 char shm_file_name[128];\r
   6 \r
   7 void Sharedmemory_init( int bindport, int bindport6 )\r
   8 {\r
   9 \r
  10   int server_max_clients = getIntConf(MAX_CLIENTS);\r
  11   int shmtotal_size =  sizeof( shm_t  ) + (sizeof( shmclient_t ) * server_max_clients);\r
  12 \r
  13   if( !bindport )\r
  14   {\r
  15     bindport = getIntConf(BINDPORT);\r
  16   }\r
  17 \r
  18   sprintf( shm_file_name, "/umurmurd:%i", bindport );\r
  19   Log_info("SHM_API: shm_fd=\"%s\"", shm_file_name  );\r
  20 \r
  21     shm_fd = shm_open( shm_file_name, O_CREAT | O_RDWR, 0660 );\r
  22         if(shm_fd == -1)\r
  23         {\r
  24             Log_fatal( "SHM_API: Open failed:%s\n", strerror(errno));\r
  25             exit(EXIT_FAILURE);\r
  26         }\r
  27 \r
  28         if( ftruncate( shm_fd, shmtotal_size ) == -1 )\r
  29         {\r
  30                         Sharedmemory_deinit();\r
  31             Log_fatal( "SHM_API: ftruncate : %s\n", strerror(errno));\r
  32             exit(EXIT_FAILURE);\r
  33         }\r
  34 \r
  35         shmptr = mmap( 0, shmtotal_size, PROT_READ | PROT_WRITE, MAP_SHARED, shm_fd, 0 );\r
  36         if (shmptr == MAP_FAILED)\r
  37         {\r
  38             Log_fatal( "SHM_API: mmap failed : %s\n", strerror(errno));\r
  39             exit(EXIT_FAILURE);\r
  40         }\r
  41 \r
  42   memset( shmptr, 0, shmtotal_size );\r
  43 \r
  44   shmptr->umurmurd_pid = getpid();\r
  45   shmptr->server_max_clients = server_max_clients;\r
  46   shmptr->shmtotal_size = shmtotal_size;\r
  47   shmptr->shmclient_size = sizeof( shmclient_t ) * shmptr->server_max_clients;\r
  48 \r
  49 }\r
  50 \r
  51 void Sharedmemory_update(void)\r
  52 {\r
  53 \r
  54   uint64_t now;\r
  55   unsigned int cc = 0;\r
  56   client_t *client_itr = NULL;\r
  57 \r
  58     memset( &shmptr->client[0], 0, shmptr->shmclient_size );\r
  59     shmptr->clientcount = Client_count();\r
  60 \r
  61       if( shmptr->clientcount )\r
  62       {\r
  63         Timer_init( &now );\r
  64           while( Client_iterate(&client_itr) != NULL )\r
  65           {\r
  66             if( client_itr->authenticated )\r
  67             {\r
  68               channel_t *channel = client_itr->channel;\r
  69 \r
  70                                 char* clientAddressString = Util_clientAddressToString( client_itr );\r
  71 \r
  72                 strncpy( shmptr->client[cc].username, client_itr->username, 120 );\r
  73                 strncpy( shmptr->client[cc].ipaddress, clientAddressString, INET6_ADDRSTRLEN - 1 );\r
  74                 strncpy( shmptr->client[cc].channel, channel->name, 120 );\r
  75 \r
  76                 strncpy( shmptr->client[cc].os, client_itr->os, 120 );\r
  77                 strncpy( shmptr->client[cc].release, client_itr->release, 120 );\r
  78                 strncpy( shmptr->client[cc].os_version, client_itr->os_version, 120 );\r
  79 \r
  80                 shmptr->client[cc].tcp_port = Util_clientAddressToPortTCP( client_itr );\r
  81                 shmptr->client[cc].udp_port = Util_clientAddressToPortUDP( client_itr );\r
  82 \r
  83                 shmptr->client[cc].online_secs = ( now - client_itr->connectTime ) / 1000000LL;\r
  84                 shmptr->client[cc].idle_secs = ( now - client_itr->idleTime ) / 1000000LL;\r
  85 \r
  86                 shmptr->client[cc].bUDP  = client_itr->bUDP;\r
  87                 shmptr->client[cc].deaf  = client_itr->deaf;\r
  88                 shmptr->client[cc].mute  = client_itr->mute;\r
  89                 shmptr->client[cc].bOpus  = client_itr->bOpus;\r
  90                 shmptr->client[cc].self_deaf  = client_itr->self_deaf;\r
  91                 shmptr->client[cc].self_mute  = client_itr->self_mute;\r
  92                 shmptr->client[cc].recording  = client_itr->recording;\r
  93                 shmptr->client[cc].authenticated  = client_itr->authenticated;\r
  94 \r
  95                 shmptr->client[cc].availableBandwidth  = client_itr->availableBandwidth;\r
  96 \r
  97                 shmptr->client[cc].UDPPingAvg = client_itr->UDPPingAvg;\r
  98                 shmptr->client[cc].UDPPingVar = client_itr->UDPPingVar;\r
  99                 shmptr->client[cc].TCPPingAvg = client_itr->TCPPingAvg;\r
 100                 shmptr->client[cc].TCPPingVar = client_itr->TCPPingVar;\r
 101 \r
 102                 shmptr->client[cc].isAdmin = client_itr->isAdmin;\r
 103                 shmptr->client[cc].isSuppressed = client_itr->isSuppressed;\r
 104 \r
 105                 shmptr->client[cc].UDPPackets = client_itr->UDPPackets;\r
 106                 shmptr->client[cc].TCPPackets = client_itr->TCPPackets;\r
 107 \r
 108                                 free(clientAddressString);\r
 109             }\r
 110           cc++;\r
 111         }\r
 112       }\r
 113 }\r
 114 void Sharedmemory_alivetick(void)\r
 115 {\r
 116  shmptr->alive++;\r
 117 }\r
 118 \r
 119 void Sharedmemory_deinit(void)\r
 120 {\r
 121   close( shm_fd );\r
 122   shm_unlink( shm_file_name );\r
 123   shmptr->umurmurd_pid = 0;\r
 124 }\r