This adds the infrastructure to send objects to a sub-process
handling the communication with an external odb.

For now we only handle sending raw blobs using the 'put_raw_obj'
instruction.

Signed-off-by: Christian Couder <chrisc...@tuxfamily.org>
---
 odb-helper.c | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 72 insertions(+), 3 deletions(-)

diff --git a/odb-helper.c b/odb-helper.c
index a67dfddca0..d901f6d0bc 100644
--- a/odb-helper.c
+++ b/odb-helper.c
@@ -434,6 +434,58 @@ static int get_object_process(struct odb_helper *o, const 
unsigned char *sha1, i
                                          o->dealer, cur_cap);
 }
 
+static int send_put_packets(struct object_process *entry,
+                           const unsigned char *sha1,
+                           const void *buf,
+                           size_t len,
+                           struct strbuf *status)
+{
+       struct child_process *process = &entry->subprocess.process;
+       int err = packet_write_fmt_gently(process->in, "command=put_raw_obj\n");
+       if (err)
+               return err;
+
+       err = packet_write_fmt_gently(process->in, "sha1=%s\n", 
sha1_to_hex(sha1));
+       if (err)
+               return err;
+
+       err = packet_write_fmt_gently(process->in, "size=%"PRIuMAX"\n", len);
+       if (err)
+               return err;
+
+       err = packet_write_fmt_gently(process->in, "kind=blob\n");
+       if (err)
+               return err;
+
+       err = packet_flush_gently(process->in);
+       if (err)
+               return err;
+
+       err = write_packetized_from_buf(buf, len, process->in);
+       if (err)
+               return err;
+
+       return check_object_process_status(process->out, status);
+}
+
+static int put_object_process(struct odb_helper *o,
+                             const void *buf, size_t len,
+                             const char *type, unsigned char *sha1)
+{
+       int err;
+       struct object_process *entry;
+       struct strbuf status = STRBUF_INIT;
+
+       entry = launch_object_process(o, ODB_HELPER_CAP_PUT_RAW_OBJ);
+       if (!entry)
+               return -1;
+
+       err = send_put_packets(entry, sha1, buf, len, &status);
+
+       return check_object_process_error(err, status.buf, entry, o->dealer,
+                                         ODB_HELPER_CAP_PUT_RAW_OBJ);
+}
+
 struct odb_helper *odb_helper_new(const char *name, int namelen)
 {
        struct odb_helper *o;
@@ -908,9 +960,9 @@ int odb_helper_get_object(struct odb_helper *o,
        return res;
 }
 
-int odb_helper_put_object(struct odb_helper *o,
-                         const void *buf, size_t len,
-                         const char *type, unsigned char *sha1)
+static int put_raw_object_script(struct odb_helper *o,
+                                const void *buf, size_t len,
+                                const char *type, unsigned char *sha1)
 {
        struct odb_helper_cmd cmd;
 
@@ -936,3 +988,20 @@ int odb_helper_put_object(struct odb_helper *o,
        odb_helper_finish(o, &cmd);
        return 0;
 }
+
+int odb_helper_put_object(struct odb_helper *o,
+                         const void *buf, size_t len,
+                         const char *type, unsigned char *sha1)
+{
+       int res;
+       uint64_t start = getnanotime();
+
+       if (o->type == ODB_HELPER_SCRIPT_CMD)
+               res = put_raw_object_script(o, buf, len, type, sha1);
+       else if (o->type == ODB_HELPER_SUBPROCESS_CMD)
+               res = put_object_process(o, buf, len, type, sha1);
+
+       trace_performance_since(start, "odb_helper_put_object");
+
+       return res;
+}
-- 
2.16.0.rc0.16.g82191dbc6c.dirty

Reply via email to