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  1. #include <ipc.h>
  2. #include <stdio.h>
  3. #include <unistd.h>
  4. #include <stdlib.h>
  5. #include <ns.h>
  6. #include <errno.h>
  7.  
  8. static int service;
  9.  
  10. int main(int argc, char **argv)
  11. {
  12.     ipc_call_t call;
  13.     ipc_callid_t callid;
  14.    
  15.     ipcarg_t retval, arg1, arg2;
  16.  
  17.     printf("NS:Name service started.\n");
  18.     while (1) {
  19.         call.taskid = -1;
  20.         callid = ipc_wait_for_call(&call, 0);
  21.         printf("NS:Call task=%llX,phone=%lX..",
  22.                call.taskid,call.data.phoneid);
  23.         switch (IPC_GET_METHOD(call.data)) {
  24.         case IPC_M_PHONE_HUNGUP:
  25.             printf("Phone hung up.\n");
  26.             retval = 0;
  27.             break;
  28.         case IPC_M_CONNECT_TO_ME:
  29.             printf("Somebody connecting phid=%zd.\n", IPC_GET_ARG3(call.data));
  30.             service = IPC_GET_ARG3(call.data);
  31.             retval = 0;
  32.             break;
  33.         case IPC_M_CONNECT_ME_TO:
  34.             printf("Connectmeto: %zd\n",
  35.                    IPC_GET_ARG1(call.data));
  36.             retval = 0;
  37.             break;
  38.         case NS_PING:
  39.             printf("Ping...%P %P\n", IPC_GET_ARG1(call.data),
  40.                    IPC_GET_ARG2(call.data));
  41.             retval = 0;
  42.             arg1 = 0xdead;
  43.             arg2 = 0xbeef;
  44.             break;
  45.         case NS_HANGUP:
  46.             printf("Closing connection.\n");
  47.             retval = EHANGUP;
  48.             break;
  49.         case NS_PING_SVC:
  50.             printf("NS:Pinging service %d\n", service);
  51.             ipc_call_sync(service, NS_PING, 0xbeef, 0);
  52.             printf("NS:Got pong\n");
  53.             break;
  54.         default:
  55.             printf("Unknown method: %zd\n", IPC_GET_METHOD(call.data));
  56.             retval = ENOENT;
  57.             break;
  58.         }
  59.         ipc_answer(callid, retval, arg1, arg2);
  60.     }
  61. }
  62.