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From: Brandon Williams <bmwill@google.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: git@vger.kernel.org
Subject: Re: [WIP 08/15] connect: discover protocol version outside of get_remote_heads
Date: Fri, 8 Dec 2017 12:11:08 -0800	[thread overview]
Message-ID: <20171208201108.GB140529@google.com> (raw)
In-Reply-To: <xmqqy3mecp4x.fsf@gitster.mtv.corp.google.com>

On 12/07, Junio C Hamano wrote:
> Brandon Williams <bmwill@google.com> writes:
> 
> > While we could wrap the preamble into a function it sort of defeats the
> > purpose since you want to be able to call different functions based on
> > the protocol version you're speaking.  That way you can have hard
> > separations between the code paths which operate on v0/v1 and v2.
> 
> As I envision that the need for different processing across protocol
> versions in real code would become far greater than it would fit in
> cases within a single switch() statement, I imagined that the reader
> structure would have a field that says which version of the protocol
> it is, so that the caller of the preamble thing can inspect it later
> to switch on it.
> 

Yes, patch 9 changes this so that the protocol version is stored in the
transport structure.  This way the fetch and push code can know what to
do in v2.

-- 
Brandon Williams

  reply	other threads:[~2017-12-08 20:11 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-20 17:18 [RFC] protocol version 2 Brandon Williams
2017-10-24  6:48 ` Junio C Hamano
2017-10-24 18:35   ` Brandon Williams
2017-10-25  1:22     ` Junio C Hamano
2017-10-26  0:59     ` Junio C Hamano
2017-10-25 13:09 ` Derrick Stolee
2017-10-25 18:10   ` Brandon Williams
2017-10-28 22:57 ` Philip Oakley
2017-10-31 18:42   ` Brandon Williams
2017-11-10 20:13 ` Jonathan Tan
2017-12-04 23:58 ` [WIP 00/15] " Brandon Williams
2017-12-04 23:58   ` [WIP 01/15] pkt-line: introduce packet_read_with_status Brandon Williams
2017-12-07 20:53     ` Stefan Beller
2017-12-08 18:03       ` Brandon Williams
2017-12-04 23:58   ` [WIP 02/15] pkt-line: introduce struct packet_reader Brandon Williams
2017-12-07 22:01     ` Stefan Beller
2017-12-08 18:11       ` Brandon Williams
2017-12-04 23:58   ` [WIP 03/15] pkt-line: add delim packet support Brandon Williams
2017-12-07 22:30     ` Stefan Beller
2017-12-08 20:08       ` Brandon Williams
2017-12-04 23:58   ` [WIP 04/15] upload-pack: convert to a builtin Brandon Williams
2017-12-06 21:59     ` Junio C Hamano
2017-12-07 16:14       ` Johannes Schindelin
2017-12-08 20:26         ` Junio C Hamano
2017-12-08 20:12       ` Brandon Williams
2017-12-04 23:58   ` [WIP 05/15] upload-pack: factor out processing lines Brandon Williams
2017-12-04 23:58   ` [WIP 06/15] transport: use get_refs_via_connect to get refs Brandon Williams
2017-12-06 22:10     ` Junio C Hamano
2017-12-07 18:40       ` Brandon Williams
2017-12-04 23:58   ` [WIP 07/15] connect: convert get_remote_heads to use struct packet_reader Brandon Williams
2017-12-06 22:39     ` Junio C Hamano
2017-12-08 20:19       ` Brandon Williams
2017-12-04 23:58   ` [WIP 08/15] connect: discover protocol version outside of get_remote_heads Brandon Williams
2017-12-07 18:50     ` Junio C Hamano
2017-12-07 19:04       ` Brandon Williams
2017-12-07 19:30         ` Junio C Hamano
2017-12-08 20:11           ` Brandon Williams [this message]
2017-12-04 23:58   ` [WIP 09/15] transport: store protocol version Brandon Williams
2017-12-04 23:58   ` [WIP 10/15] protocol: introduce enum protocol_version value protocol_v2 Brandon Williams
2017-12-04 23:58   ` [WIP 11/15] serve: introduce git-serve Brandon Williams
2017-12-07 23:42     ` Junio C Hamano
2017-12-08 20:25       ` Brandon Williams
2017-12-04 23:58   ` [WIP 12/15] ls-refs: introduce ls-refs server command Brandon Williams
2017-12-13 16:30     ` Philip Oakley
2017-12-04 23:58   ` [WIP 13/15] connect: request remote refs using v2 Brandon Williams
2017-12-04 23:58   ` [WIP 14/15] upload_pack: introduce fetch server command Brandon Williams
2017-12-04 23:58   ` [WIP 15/15] fetch-pack: perform a fetch using v2 Brandon Williams

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