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[PATCH v4 06/10] serve: move transfer.advertiseSID check into session_id_advertise()

From
Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date
Aug 5, 2021, 01:25 UTC
Message-ID
<patch-v4-06.10-33db6b7cf53-20210805T011823Z-avarab@gmail.com>
In-Reply-To
<cover-v4-00.10-00000000000-20210805T011823Z-avarab@gmail.com>

In 6b5b6e422ee (serve: advertise session ID in v2 capabilities, 2020-11-11) the check for transfer.advertiseSID was added to the beginning of the main serve() loop. Thus on startup of the server we'd populate it.

Let's instead use an explicit lazy initialization pattern in session_id_advertise() itself, we'll still look the config up only once per-process, but by moving it out of serve() itself the further changing of that routine becomes easier.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
 serve.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/serve.c b/serve.c
index 967bf17d623..26829991333 100644
--- a/serve.c
+++ b/serve.c
@@ -9,7 +9,7 @@
 #include "serve.h"
 #include "upload-pack.h"
 
-static int advertise_sid;
+static int advertise_sid = -1;
 
 static int always_advertise(struct repository *r,
 			    struct strbuf *value)
@@ -35,6 +35,9 @@ static int object_format_advertise(struct repository *r,
 
 static int session_id_advertise(struct repository *r, struct strbuf *value)
 {
+	if (advertise_sid == -1 &&
+	    git_config_get_bool("transfer.advertisesid", &advertise_sid))
+		advertise_sid = 0;
 	if (!advertise_sid)
 		return 0;
 	if (value)
@@ -300,8 +303,6 @@ static int process_request(void)
 /* Main serve loop for protocol version 2 */
 void serve(struct serve_options *options)
 {
-	git_config_get_bool("transfer.advertisesid", &advertise_sid);
-
 	if (options->advertise_capabilities || !options->stateless_rpc) {
 		/* serve by default supports v2 */
 		packet_write_fmt(1, "version 2\n");
-- 
2.33.0.rc0.597.gc569a812f0a
Previous: Ævar Arnfjörð BjarmasonNext: Ævar Arnfjörð Bjarmason
Message 52 of 58 in “serve: add "configure" callback”
  1. 0/5 serve: add "configure" callbackÆvar Arnfjörð Bjarmason, Jun 16, 2021
  2. 1/5 serve: mark has_capability() as staticÆvar Arnfjörð Bjarmason, Jun 16, 2021
  3. Eric SunshineJun 16, 2021
  4. Junio C HamanoJun 17, 2021
  5. 2/5 transport: rename "fetch" in transport_vtable to "fetch_refs"Ævar Arnfjörð Bjarmason, Jun 16, 2021
  6. 3/5 transport: use designated initializersÆvar Arnfjörð Bjarmason, Jun 16, 2021
  7. 5/5 serve: add support for a git_config() callbackÆvar Arnfjörð Bjarmason, Jun 16, 2021
  8. Jeff KingJun 16, 2021
  9. 4/5 serve: use designated initializersÆvar Arnfjörð Bjarmason, Jun 16, 2021
  10. Jeff KingJun 16, 2021
  11. Junio C HamanoJun 17, 2021
  12. 0/8 serve: add "startup_config" callbackÆvar Arnfjörð Bjarmason, Jun 28, 2021
  13. 1/8 serve: mark has_capability() as staticÆvar Arnfjörð Bjarmason, Jun 28, 2021
  14. 3/8 transport: use designated initializersÆvar Arnfjörð Bjarmason, Jun 28, 2021
  15. 2/8 transport: rename "fetch" in transport_vtable to "fetch_refs"Ævar Arnfjörð Bjarmason, Jun 28, 2021
  16. 5/8 serve.c: add call_{advertise,command}() indirectionÆvar Arnfjörð Bjarmason, Jun 28, 2021
  17. 4/8 serve: use designated initializersÆvar Arnfjörð Bjarmason, Jun 28, 2021
  18. 7/8 serve: add support for a "startup" git_config() callbackÆvar Arnfjörð Bjarmason, Jun 28, 2021
  19. Jeff KingJul 1, 2021
  20. Jeff KingJul 1, 2021
  21. Ævar Arnfjörð BjarmasonJul 2, 2021
  22. Jeff KingJul 2, 2021
  23. Han-Wen NienhuysJul 5, 2021
  24. Han-Wen NienhuysJul 5, 2021
  25. 6/8 serve.c: add trace2 regions for advertise & commandÆvar Arnfjörð Bjarmason, Jun 28, 2021
  26. Jeff KingJul 1, 2021
  27. Ævar Arnfjörð BjarmasonJul 2, 2021
  28. Han-Wen NienhuysJul 5, 2021
  29. 8/8 upload-pack.c: convert to new serve.c "startup" config cbÆvar Arnfjörð Bjarmason, Jun 28, 2021
  30. Han-Wen NienhuysJul 5, 2021
  31. 00/12 serve.[ch]: general API cleanupÆvar Arnfjörð Bjarmason, Jul 21, 2021
  32. 01/12 serve: mark has_capability() as staticÆvar Arnfjörð Bjarmason, Jul 21, 2021
  33. 02/12 transport: rename "fetch" in transport_vtable to "fetch_refs"Ævar Arnfjörð Bjarmason, Jul 21, 2021
  34. 03/12 transport: use designated initializersÆvar Arnfjörð Bjarmason, Jul 21, 2021
  35. 04/12 serve: use designated initializersÆvar Arnfjörð Bjarmason, Jul 21, 2021
  36. 05/12 serve.c: add call_{advertise,command}() indirectionÆvar Arnfjörð Bjarmason, Jul 21, 2021
  37. 06/12 serve: add support for a "startup" git_config() callbackÆvar Arnfjörð Bjarmason, Jul 21, 2021
  38. 07/12 serve.c: move version line to advertise_capabilities()Ævar Arnfjörð Bjarmason, Jul 21, 2021
  39. 08/12 serve.[ch]: remove "serve_options", split up --advertise-refs codeÆvar Arnfjörð Bjarmason, Jul 21, 2021
  40. 10/12 upload-pack: document and rename --advertise-refsÆvar Arnfjörð Bjarmason, Jul 21, 2021
  41. 09/12 {upload,receive}-pack tests: add --advertise-refs testsÆvar Arnfjörð Bjarmason, Jul 21, 2021
  42. fixup! {upload,receive}-pack tests: add --advertise-refs testsCarlo Marcelo Arenas Belón, Aug 3, 2021
  43. 11/12 upload-pack.c: convert to new serve.c "startup" config cbÆvar Arnfjörð Bjarmason, Jul 21, 2021
  44. 12/12 serve.[ch]: don't pass "struct strvec *keys" to commandsÆvar Arnfjörð Bjarmason, Jul 21, 2021
  45. Josh SteadmonAug 2, 2021
  46. 00/10 serve.[ch]: general API cleanup + --advertise-refs cleanupÆvar Arnfjörð Bjarmason, Aug 5, 2021
  47. 01/10 serve: mark has_capability() as staticÆvar Arnfjörð Bjarmason, Aug 5, 2021
  48. 02/10 transport: rename "fetch" in transport_vtable to "fetch_refs"Ævar Arnfjörð Bjarmason, Aug 5, 2021
  49. 03/10 transport: use designated initializersÆvar Arnfjörð Bjarmason, Aug 5, 2021
  50. 04/10 serve: use designated initializersÆvar Arnfjörð Bjarmason, Aug 5, 2021
  51. 05/10 serve.[ch]: don't pass "struct strvec *keys" to commandsÆvar Arnfjörð Bjarmason, Aug 5, 2021
  52. 06/10 serve: move transfer.advertiseSID check into session_id_advertise()Ævar Arnfjörð Bjarmason, Aug 5, 2021
  53. 07/10 serve.c: move version line to advertise_capabilities()Ævar Arnfjörð Bjarmason, Aug 5, 2021
  54. 08/10 {upload,receive}-pack tests: add --advertise-refs testsÆvar Arnfjörð Bjarmason, Aug 5, 2021
  55. 09/10 serve.[ch]: remove "serve_options", split up --advertise-refs codeÆvar Arnfjörð Bjarmason, Aug 5, 2021
  56. Derrick StoleeAug 24, 2021
  57. 10/10 upload-pack: document and rename --advertise-refsÆvar Arnfjörð Bjarmason, Aug 5, 2021
  58. Derrick StoleeAug 24, 2021

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