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lib/fetch: reuse http connection

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With HTTP 1.1 persistent connection is default and Connection
header is not sent.
Before patch, for every file, including 512b signature, there was
done dns query, tls handshake etc.
This commit is contained in:
Piotr Wójcik 2022-07-02 22:37:08 +02:00 committed by Duncan Overbruck
parent 48556b7089
commit b5954c80db
1 changed files with 7 additions and 3 deletions
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10
lib/fetch/http.c
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@ -424,7 +424,7 @@ http_cmd(conn_t *conn, const char *fmt, ...)
* Get and parse status line
*/
static int
http_get_reply(conn_t *conn)
http_get_reply(conn_t *conn, int *keep_alive)
{
char *p;
@ -445,6 +445,10 @@ http_get_reply(conn_t *conn)
if (*p == '/') {
if (p[1] != '1' || p[2] != '.' || (p[3] != '0' && p[3] != '1'))
return (HTTP_PROTOCOL_ERROR);
/* HTTP/1.1 defaults to the use of "persistent connections" */
if (keep_alive && p[3] == '1') {
*keep_alive = 1;
}
p += 4;
}
if (*p != ' ' ||
@ -760,7 +764,7 @@ http_connect(struct url *URL, struct url *purl, const char *flags, int *cached)
http_cmd(conn, "\r\n");
if (http_get_reply(conn) != HTTP_OK) {
if (http_get_reply(conn, NULL) != HTTP_OK) {
http_seterr(conn->err);
fetch_close(conn);
return (NULL);
@ -1011,7 +1015,7 @@ http_request(struct url *URL, const char *op, struct url_stat *us,
sizeof(val));
/* get reply */
switch (http_get_reply(conn)) {
switch (http_get_reply(conn, &keep_alive)) {
case HTTP_OK:
case HTTP_PARTIAL:
case HTTP_NOT_MODIFIED: