Ethereal-dev: Re: [Ethereal-dev] patch for packet-giop.c response_flags
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From: Bernd Becker <bb@xxxxxxxxxxxxxxx>
Date: Thu, 05 Jun 2003 10:40:18 +0200
Hi, here is a patch I sent in a while back that never made it into the release. Could somebody check it in? Thanks, Bernd--On Wednesday, April 23, 2003 13:53:43 +0200 Bernd Becker <bb@xxxxxxxxxxxxxxx> wrote:
Here is a patch I had promised to Nicolas De Montbel a while ago in http://www.ethereal.com/lists/ethereal-dev/200303/msg00161.html The response_flags in the Request_Header should not be mapped one to one to the SyncScope values. Certain SyncScope values just seem to imply certain response_flags according to a comment in the Corba Spec v3.0, 15-35. So now I print the numeric value of response_flags followed by a string with the possible corresponding SyncScope values in parenthesis. If this is still confusing we should probably print only the numeric value.
Bernd --On Tuesday, March 11, 2003 10:26:22 +0100 Bernd Becker <bb@xxxxxxxxxxxxxxx> wrote:Hi Nicolas, I think you are right. We should not map the response_flags to sync_scope. The sync_scope defined in packet-giop.c obviously came from the following definition in Corba Messaging Quality of Service: typedef short SyncScope; const SyncScope SYNC_NONE = 0; const SyncScope SYNC_WITH_TRANSPORT = 1; const SyncScope SYNC_WITH_SERVER = 2; const SyncScope SYNC_WITH_TARGET = 3; We should leave the sync_scope value_string unchanged in case somebody implements the Messaging module, although that would probably be another plugin. We should either just display the numeric value for the response_flags or maybe display something more like a comment as in the spec, e.g. static const value_string response_flags[] = { { 0x0, "SyncScope NONE or WITH_TRANSPORT" }, { 0x1, "SyncScope WITH_SERVER"}, { 0x3, "SyncScope WITH_TARGET"}, { 0, NULL} }; I can supply a patch if you (and maybe others) agree. I don't really know if anybody has looked at the changes in the Corba 3.0 Spec to see what has to be added/changed in packet-giop.c. Some additions were made regarding Service Contexts a short time ago. It might be better to ask such questions on the developer list, as I suspect that not many of the few giop developers check the users list. I will send this to the developers list. Regards, Bernd --On Monday, March 10, 2003 17:25:00 +0100 Nicolas.De_Montbel@xxxxxxxxxx wrote:Hello everybody, I am new on this tool which seems to be very convenient and complete but I have a problem on decoding one giop request header (response flags). from CORBA3.0 specification : "response_flags is set to 0x0 for a SyncScope of NONE and WITH_TRANSPORT. The flag is set to 0x1 for a SyncScope of WITH_SERVER. A non exception reply to a request message containing a response_flags value of 0x1 should contain an empty body, i.e. the equivalent of a void operation with no out/inout parameters. The flag is set to 0x3 for a SyncScope of WITH_TARGET. These values ensure interworking compatibility between this and previous versions of GIOP." In packet-giop.c : static const value_string sync_scope[] = { { 0x0, "SYNC_NONE" }, { 0x1, "SYNC_WITH_TRANSPORT"}, { 0x2, "SYNC_WITH_SERVER"}, { 0x3, "SYNC_WITH_TARGET"}, { 0, NULL}}; This is quite different. Can you confirm that and say to me how can I correct that in Ethereal sincerly Nicolas de Montbel
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