1 thilo.boehm 1.1 //%LICENSE////////////////////////////////////////////////////////////////
  2                 //
  3                 // Licensed to The Open Group (TOG) under one or more contributor license
  4                 // agreements.  Refer to the OpenPegasusNOTICE.txt file distributed with
  5                 // this work for additional information regarding copyright ownership.
  6                 // Each contributor licenses this file to you under the OpenPegasus Open
  7                 // Source License; you may not use this file except in compliance with the
  8                 // License.
  9                 //
 10                 // Permission is hereby granted, free of charge, to any person obtaining a
 11                 // copy of this software and associated documentation files (the "Software"),
 12                 // to deal in the Software without restriction, including without limitation
 13                 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
 14                 // and/or sell copies of the Software, and to permit persons to whom the
 15                 // Software is furnished to do so, subject to the following conditions:
 16                 //
 17                 // The above copyright notice and this permission notice shall be included
 18                 // in all copies or substantial portions of the Software.
 19                 //
 20                 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 21                 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 22 thilo.boehm 1.1 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 23                 // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 24                 // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 25                 // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 26                 // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 27                 //
 28                 //////////////////////////////////////////////////////////////////////////
 29                 //
 30                 //%/////////////////////////////////////////////////////////////////////////////
 31                 
 32                 #ifndef WaitForTCPIP_zOS_h
 33                 #define WaitForTCPIP_zOS_h
 34                 
 35                 #include <errno.h>
 36                 #include <unistd.h>
 37                 
 38                 PEGASUS_NAMESPACE_BEGIN
 39                 
 40                 /**
 41                  * Check if the TCP/IP stack is available. 
 42                  * And if not, wait 30 seconds and try again.
 43 thilo.boehm 1.1  * 
 44                  */
 45                 
 46                 void startupWaitForTCPIP( void )
 47                 {
 48                 
 49                     bool sendTcpipMsg = true;
 50                     int rc;
 51                     char hostname[PEGASUS_MAXHOSTNAMELEN + 1];
 52                 
 53                     while(1) 
 54                     {
 55                         rc = 0;
 56                         hostname[0] = 0;
 57                         rc = gethostname(hostname, sizeof(hostname));
 58                 
 59                         if (rc == 0)
 60                         {
 61                             // The gethostname was successful.
 62                             return;
 63                 
 64 thilo.boehm 1.1         }
 65                 
 66                         // Resource Temporarily unavailable.
 67                         if (errno == EAGAIN)
 68                         {
 69                             // The program should wait for transport layer to become ready.
 70                             if (sendTcpipMsg)
 71                             {
 72                                 Logger::put_l(
 73                                     Logger::STANDARD_LOG,System::CIMSERVER,Logger::INFORMATION,
 74                                     MessageLoaderParms(
 75                                         "src.Service.WaitForTCPIP_zOS.WAIT_FOR_TCPIP",
 76                                         "CIM server startup delayed, "
 77                                         "waiting for TCP/IP to start."));
 78                                 sendTcpipMsg = false;
 79                             }
 80                             System::sleep(30);
 81                         }
 82                         else
 83                         {
 84                             Logger::put_l(
 85 thilo.boehm 1.1                 Logger::ERROR_LOG, System::CIMSERVER, Logger::FATAL,
 86                                 MessageLoaderParms(
 87                                     "src.Service.WaitForTCPIP_zOS.GETHOSTNAME_FAILED",
 88                                     "Stopping CIM Server startup. "
 89                                     "Failed to retrieve system's hostname: $0",
 90                                     PEGASUS_SYSTEM_NETWORK_ERRORMSG_NLS));
 91                             exit(1);
 92                         }
 93                     }
 94                 };
 95                 
 96                 
 97                 PEGASUS_NAMESPACE_END
 98                 
 99                 #endif
100                 
101