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| author | Ludovic Courtès <ludo@gnu.org> | 2016-03-10 13:53:23 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2016-03-10 13:55:30 +0100 |
| commit | ec278439f3ff5dcd3d02c05099ba1724cc2459f1 (patch) | |
| tree | 94073bd7dfff433142aa452f1a46132ebece8063 | |
| parent | 9b7bd1b160be7c740a798c09e3b8986368b92036 (diff) | |
| download | patches-ec278439f3ff5dcd3d02c05099ba1724cc2459f1.tar patches-ec278439f3ff5dcd3d02c05099ba1724cc2459f1.tar.gz | |
substitute: Optimize HTTP pipelining over TLS.
* guix/scripts/substitute.scm (http-multiple-get): Write the requests
to a bytevector output port before sending them.
| -rwxr-xr-x | guix/scripts/substitute.scm | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/guix/scripts/substitute.scm b/guix/scripts/substitute.scm index cc637c8d13..b057e9b12a 100755 --- a/guix/scripts/substitute.scm +++ b/guix/scripts/substitute.scm @@ -495,8 +495,17 @@ read the response body, and the previous result, starting with SEED, à la (setvbuf p _IOFBF (expt 2 16))) ;; Send all of REQUESTS in a row. - (for-each (cut write-request <> p) requests) - (force-output p) + ;; XXX: Do our own caching to work around inefficiencies when + ;; communicating over TLS: <http://bugs.gnu.org/22966>. + (let-values (((buffer get) (open-bytevector-output-port))) + ;; On Guile > 2.0.9, inherit the HTTP proxying property from P. + (when (module-variable (resolve-interface '(web http)) + 'http-proxy-port?) + (set-http-proxy-port?! buffer (http-proxy-port? p))) + + (for-each (cut write-request <> buffer) requests) + (put-bytevector p (get)) + (force-output p)) ;; Now start processing responses. (let loop ((requests requests) |