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Prepare larger packet buffer for upload-pack protocol.

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The original side-band support added to the upload-pack protocol used the
default 1000-byte packet length.  The pkt-line format allows up to 64k, so
prepare the receiver for the maximum size, and have the uploader and
downloader negotiate if larger packet length is allowed.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano
2006-09-10 16:27:08 -07:00
parent 958c24b1b8
commit d47f3db75c
4 changed files with 20 additions and 9 deletions
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14
upload-pack.c
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@ -20,6 +20,9 @@ static int use_thin_pack;
static struct object_array have_obj;
static struct object_array want_obj;
static unsigned int timeout;
/* 0 for no sideband,
* otherwise maximum packet size (up to 65520 bytes).
*/
static int use_sideband;
static void reset_timeout(void)
@ -37,8 +40,7 @@ static int strip(char *line, int len)
static ssize_t send_client_data(int fd, const char *data, ssize_t sz)
{
if (use_sideband)
return send_sideband(1, fd, data, sz, DEFAULT_PACKET_MAX);
return send_sideband(1, fd, data, sz, use_sideband);
if (fd == 3)
/* emergency quit */
fd = 2;
@ -389,8 +391,10 @@ static void receive_needs(void)
multi_ack = 1;
if (strstr(line+45, "thin-pack"))
use_thin_pack = 1;
if (strstr(line+45, "side-band"))
use_sideband = 1;
if (strstr(line+45, "side-band-64k"))
use_sideband = LARGE_PACKET_MAX;
else if (strstr(line+45, "side-band"))
use_sideband = DEFAULT_PACKET_MAX;
/* We have sent all our refs already, and the other end
* should have chosen out of them; otherwise they are
@ -412,7 +416,7 @@ static void receive_needs(void)
static int send_ref(const char *refname, const unsigned char *sha1)
{
static const char *capabilities = "multi_ack thin-pack side-band";
static const char *capabilities = "multi_ack thin-pack side-band side-band-64k";
struct object *o = parse_object(sha1);
if (!o)