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authorJunio C Hamano <gitster@pobox.com>2013-10-17 15:46:01 -0700
committerJunio C Hamano <gitster@pobox.com>2013-10-17 15:46:01 -0700
commit9432c6aaa5d58d433b6e3e139998733d2e87d946 (patch)
treea7af7f74e372de57dae0998660d7379c411bd241 /upload-pack.c
parent968792eeeb51be4ff3218c89af00a987cdea8a9a (diff)
parent115dedd72223e101181363f4e6053b4c937fdc37 (diff)
downloadgit-9432c6aaa5d58d433b6e3e139998733d2e87d946.tar.gz
git-9432c6aaa5d58d433b6e3e139998733d2e87d946.tar.xz
Merge branch 'jk/upload-pack-keepalive' into maint
* jk/upload-pack-keepalive: upload-pack: bump keepalive default to 5 seconds upload-pack: send keepalive packets during pack computation
Diffstat (limited to 'upload-pack.c')
-rw-r--r--upload-pack.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/upload-pack.c b/upload-pack.c
index 127e59a60..04a8707bb 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -40,6 +40,7 @@ static struct object_array have_obj;
static struct object_array want_obj;
static struct object_array extra_edge_obj;
static unsigned int timeout;
+static int keepalive = 5;
/* 0 for no sideband,
* otherwise maximum packet size (up to 65520 bytes).
*/
@@ -200,6 +201,7 @@ static void create_pack_file(void)
while (1) {
struct pollfd pfd[2];
int pe, pu, pollsize;
+ int ret;
reset_timeout();
@@ -222,7 +224,8 @@ static void create_pack_file(void)
if (!pollsize)
break;
- if (poll(pfd, pollsize, -1) < 0) {
+ ret = poll(pfd, pollsize, 1000 * keepalive);
+ if (ret < 0) {
if (errno != EINTR) {
error("poll failed, resuming: %s",
strerror(errno));
@@ -284,6 +287,21 @@ static void create_pack_file(void)
if (sz < 0)
goto fail;
}
+
+ /*
+ * We hit the keepalive timeout without saying anything; send
+ * an empty message on the data sideband just to let the other
+ * side know we're still working on it, but don't have any data
+ * yet.
+ *
+ * If we don't have a sideband channel, there's no room in the
+ * protocol to say anything, so those clients are just out of
+ * luck.
+ */
+ if (!ret && use_sideband) {
+ static const char buf[] = "0005\1";
+ write_or_die(1, buf, 5);
+ }
}
if (finish_command(&pack_objects)) {
@@ -785,6 +803,11 @@ static int upload_pack_config(const char *var, const char *value, void *unused)
{
if (!strcmp("uploadpack.allowtipsha1inwant", var))
allow_tip_sha1_in_want = git_config_bool(var, value);
+ else if (!strcmp("uploadpack.keepalive", var)) {
+ keepalive = git_config_int(var, value);
+ if (!keepalive)
+ keepalive = -1;
+ }
return parse_hide_refs_config(var, value, "uploadpack");
}