From: Christian Couder <christian.couder@gmail.com>
To: git@vger.kernel.org
Cc: Junio C Hamano <gitster@pobox.com>, Jeff King <peff@peff.net>,
Ben Peart <Ben.Peart@microsoft.com>,
Jonathan Tan <jonathantanmy@google.com>,
Nguyen Thai Ngoc Duy <pclouds@gmail.com>,
Mike Hommey <mh@glandium.org>,
Lars Schneider <larsxschneider@gmail.com>,
Eric Wong <e@80x24.org>,
Christian Couder <chriscool@tuxfamily.org>,
Jeff Hostetler <jeffhost@microsoft.com>
Subject: [PATCH v2 33/36] odb-helper: add have_object_process()
Date: Mon, 19 Mar 2018 14:31:44 +0100 [thread overview]
Message-ID: <20180319133147.15413-34-chriscool@tuxfamily.org> (raw)
In-Reply-To: <20180319133147.15413-1-chriscool@tuxfamily.org>
This adds the infrastructure to handle 'have' instructions in
process mode.
The answer from the helper sub-process should be like the
output in script mode, that is lines like this:
sha1 SPACE size SPACE type NEWLINE
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
odb-helper.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 73 insertions(+), 1 deletion(-)
diff --git a/odb-helper.c b/odb-helper.c
index 83f8cce3b1..5ec21e9d1f 100644
--- a/odb-helper.c
+++ b/odb-helper.c
@@ -649,6 +649,70 @@ static int odb_helper_object_cmp(const void *va, const void *vb)
return oidcmp(&a->oid, &b->oid);
}
+static int send_have_packets(struct odb_helper *o,
+ struct object_process *entry,
+ struct strbuf *status)
+{
+ int packet_len;
+ int total_got = 0;
+ struct child_process *process = &entry->subprocess.process;
+ int err = packet_write_fmt_gently(process->in, "command=have\n");
+
+ if (err)
+ return err;
+
+ err = packet_flush_gently(process->in);
+ if (err)
+ return err;
+
+ for (;;) {
+ /* packet_read() writes a '\0' extra byte at the end */
+ char buf[LARGE_PACKET_DATA_MAX + 1];
+ char *p = buf;
+ int more;
+
+ packet_len = packet_read(process->out, NULL, NULL,
+ buf, LARGE_PACKET_DATA_MAX + 1,
+ PACKET_READ_GENTLE_ON_EOF);
+
+ if (packet_len <= 0)
+ break;
+
+ total_got += packet_len;
+
+ /* 'have' packets should end with '\n' or '\0' */
+ do {
+ char *eol = strchrnul(p, '\n');
+ more = (*eol == '\n');
+ *eol = '\0';
+ if (add_have_entry(o, p))
+ break;
+ p = eol + 1;
+ } while (more && *p);
+ }
+
+ if (packet_len < 0)
+ return packet_len;
+
+ return check_object_process_status(process->out, status);
+}
+
+static int have_object_process(struct odb_helper *o)
+{
+ int err;
+ struct object_process *entry;
+ struct strbuf status = STRBUF_INIT;
+
+ entry = launch_object_process(o, ODB_HELPER_CAP_HAVE);
+ if (!entry)
+ return -1;
+
+ err = send_have_packets(o, entry, &status);
+
+ return check_object_process_error(err, status.buf, entry, o->dealer,
+ ODB_HELPER_CAP_HAVE);
+}
+
static void have_object_script(struct odb_helper *o)
{
struct odb_helper_cmd cmd;
@@ -670,12 +734,20 @@ static void have_object_script(struct odb_helper *o)
static void odb_helper_load_have(struct odb_helper *o)
{
+ uint64_t start;
+
if (o->have_valid)
return;
o->have_valid = 1;
+ start = getnanotime();
+
if (o->type == ODB_HELPER_SCRIPT_CMD)
have_object_script(o);
+ else if (o->type == ODB_HELPER_SUBPROCESS_CMD)
+ have_object_process(o);
+
+ trace_performance_since(start, "odb_helper_load_have");
qsort(o->have, o->have_nr, sizeof(*o->have), odb_helper_object_cmp);
}
@@ -937,7 +1009,7 @@ int odb_helper_get_direct(struct odb_helper *o,
fetch_object(o->dealer, sha1);
else if (o->type == ODB_HELPER_SCRIPT_CMD)
res = get_direct_script(o, sha1);
- else
+ else if (o->type == ODB_HELPER_SUBPROCESS_CMD)
res = get_object_process(o, sha1, -1);
trace_performance_since(start, "odb_helper_get_direct");
--
2.17.0.rc0.37.g8f476fabe9
next prev parent reply other threads:[~2018-03-19 13:33 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-19 13:31 [PATCH v2 00/36] Promisor remotes and external ODB support Christian Couder
2018-03-19 13:31 ` [PATCH v2 01/36] Add initial external odb support Christian Couder
2018-03-19 13:31 ` [PATCH v2 02/36] sha1_file: add prepare_external_alt_odb() Christian Couder
2018-03-19 13:31 ` [PATCH v2 03/36] Add GIT_NO_EXTERNAL_ODB env variable Christian Couder
2018-03-19 13:31 ` [PATCH v2 04/36] external-odb: add has_external_odb() Christian Couder
2018-03-19 13:31 ` [PATCH v2 05/36] external-odb: implement external_odb_get_direct Christian Couder
2018-03-19 13:31 ` [PATCH v2 06/36] sha1_file: prepare for external odbs Christian Couder
2018-03-19 13:31 ` [PATCH v2 07/36] odb-helper: add 'enum odb_helper_type' Christian Couder
2018-03-19 13:31 ` [PATCH v2 08/36] external-odb: add external_odb_reinit() Christian Couder
2018-03-19 13:31 ` [PATCH v2 09/36] external-odb: add script mode support Christian Couder
2018-03-19 13:31 ` [PATCH v2 10/36] odb-helper: add 'script_mode' to 'struct odb_helper' Christian Couder
2018-03-19 13:31 ` [PATCH v2 11/36] odb-helper: add odb_helper_init() to send 'init' instruction Christian Couder
2018-03-19 13:31 ` [PATCH v2 12/36] external-odb: add external_odb_get_many_direct() Christian Couder
2018-03-19 13:31 ` [PATCH v2 13/36] Use external_odb_get_direct() and has_external_odb() Christian Couder
2018-03-19 13:31 ` [PATCH v2 14/36] Use odb.origin.partialclonefilter instead of core.partialclonefilter Christian Couder
2018-03-19 13:31 ` [PATCH v2 15/36] external-odb: add 'get_direct' support Christian Couder
2018-03-19 13:31 ` [PATCH v2 16/36] t0500: add 'put_raw_obj' instruction to odb-helper script Christian Couder
2018-03-19 13:31 ` [PATCH v2 17/36] external odb: add 'put_raw_obj' support Christian Couder
2018-03-19 13:31 ` [PATCH v2 18/36] external-odb: accept only blobs for now Christian Couder
2018-03-19 13:31 ` [PATCH v2 19/36] t0500: add test for external odb write support Christian Couder
2018-03-19 13:31 ` [PATCH v2 20/36] Add t0510 to test external ODB transfer Christian Couder
2018-03-19 13:31 ` [PATCH v2 21/36] lib-httpd: pass config file to start_httpd() Christian Couder
2018-03-19 13:31 ` [PATCH v2 22/36] lib-httpd: add upload.sh Christian Couder
2018-03-19 13:31 ` [PATCH v2 23/36] lib-httpd: add list.sh Christian Couder
2018-03-19 13:31 ` [PATCH v2 24/36] lib-httpd: add apache-e-odb.conf Christian Couder
2018-03-19 13:31 ` [PATCH v2 25/36] odb-helper: add odb_helper_get_raw_object() Christian Couder
2018-03-19 13:31 ` [PATCH v2 26/36] pack-objects: don't pack objects in external odbs Christian Couder
2018-03-19 13:31 ` [PATCH v2 27/36] Add t0520 to test transfer to HTTP external odb Christian Couder
2018-03-19 13:31 ` [PATCH v2 28/36] odb-helper: add init_object_process() Christian Couder
2018-03-19 13:31 ` [PATCH v2 29/36] Add t0550 to test 'get_direct' mechanism Christian Couder
2018-03-19 13:31 ` [PATCH v2 30/36] Add t0560 to test passing git objects Christian Couder
2018-03-19 13:31 ` [PATCH v2 31/36] odb-helper: add put_object_process() Christian Couder
2018-03-19 13:31 ` [PATCH v2 32/36] Add t0570 to test passing raw objects Christian Couder
2018-03-19 13:31 ` Christian Couder [this message]
2018-03-19 13:31 ` [PATCH v2 34/36] Add t0580 to test "have" capability and " Christian Couder
2018-03-19 13:31 ` [PATCH v2 35/36] external-odb: use 'odb=magic' attribute to mark odb blobs Christian Couder
2018-03-19 13:31 ` [PATCH v2 36/36] Add Documentation/technical/external-odb.txt Christian Couder
2018-03-19 19:13 ` [PATCH v2 00/36] Promisor remotes and external ODB support Junio C Hamano
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