BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Synchronize the start of a Service application          BorlandTalk.com Forum Index -> C++ Builder (VCL Components Usage) View previous topic :: View next topic   Author Message Sam S. Firouz Guest Posted: Fri Apr 21, 2006 9:03 pm    Post subject: Synchronize the start of a Service application Hi: What is the best way to make sure my service application does not start before the TCP/IP has started and the machine has a valid IP address (The IP address is coming from DHCP server). Thank you Sam Back to top Remy Lebeau (TeamB) Guest Posted: Fri Apr 21, 2006 10:03 pm    Post subject: Re: Synchronize the start of a Service application "Sam S. Firouz" <sfirouz (AT) comcast (DOT) net> wrote in message news:44494386$1 (AT) newsgroups (DOT) borland.com... Quote: What is the best way to make sure my service application does not start before the TCP/IP has started and the machine has a valid IP address (The IP address is coming from DHCP server). There isn't any. Your service will just have to periodically query the current IP and ignore it if it is not valid. Gambit Back to top Vladimir Stefanovic Guest Posted: Sat Apr 22, 2006 10:03 am    Post subject: Re: Synchronize the start of a Service application Quote: What is the best way to make sure my service application does not start before the TCP/IP has started and the machine has a valid IP address (The IP address is coming from DHCP server). Why you are bothering of such scenario? It's prety common situation that server cannot respond, because it's not found or something similar. In client/server architecture it's easy and safe to catch the non-listening server event, and such case must be designed on client side. -- Best Regards, Vladimir Stefanovic Back to top Sam S. Firouz Guest Posted: Mon Apr 24, 2006 10:03 pm    Post subject: Re: Synchronize the start of a Service application Is there at lease any way to make my service dependant on DHCP service? Thank You Sam "Remy Lebeau \(TeamB\)" <no.spam (AT) no (DOT) spam.com> wrote: Quote: There isn't any. Your service will just have to periodically query the current IP and ignore it if it is not valid. Gambit Back to top Sam S. Firouz Guest Posted: Mon Apr 24, 2006 10:03 pm    Post subject: Re: Synchronize the start of a Service application My service is the server and needs to access some file on the network drive. Thank you Sam "Vladimir Stefanovic" <antivari (AT) po (DOT) sbb.co.yu> wrote: Quote: Why you are bothering of such scenario? It's prety common situation that server cannot respond, because it's not found or something similar. In client/server architecture it's easy and safe to catch the non-listening server event, and such case must be designed on client side. -- Best Regards, Vladimir Stefanovic Back to top Remy Lebeau (TeamB) Guest Posted: Mon Apr 24, 2006 11:03 pm    Post subject: Re: Synchronize the start of a Service application "Sam S. Firouz" <sfirouz (AT) comcast (DOT) net> wrote in message news:444d3e57$1 (AT) newsgroups (DOT) borland.com... Quote: Is there at lease any way to make my service dependant on DHCP service? Sure, simply include the DHCP service in the TService's Dependancies collection. Of course, that only ensures that the DHCP service is running, but it does not ensure that an IP will be available right away. So you still need to write your socket code to expect that condition regardless. Gambit Back to top Remy Lebeau (TeamB) Guest Posted: Mon Apr 24, 2006 11:03 pm    Post subject: Re: Synchronize the start of a Service application "Sam S. Firouz" <sfirouz (AT) comcast (DOT) net> wrote in message news:444d3ea2$1 (AT) newsgroups (DOT) borland.com... Quote: My service is the server and needs to access some file on the network drive. You do know that services DO NOT have access to network resources by default, right? Are you configuring your service to run with a user account that has netowkr access? If not, then you need to do so. Gambit Back to top Sam S. Firouz Guest Posted: Tue Apr 25, 2006 8:03 pm    Post subject: Re: Synchronize the start of a Service application Yes, I had learned this the hard way few years back. Thanks for the reminder anyway. Thank you Sam "Remy Lebeau \(TeamB\)" <no.spam (AT) no (DOT) spam.com> wrote: Quote: "Sam S. Firouz" <sfirouz (AT) comcast (DOT) net> wrote in message news:444d3ea2$1 (AT) newsgroups (DOT) borland.com... You do know that services DO NOT have access to network resources by default, right? Are you configuring your service to run with a user account that has netowkr access? If not, then you need to do so. 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