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@xxxxxxxxxxxxx>
---
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
