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-rw-r--r--main/http.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/main/http.c b/main/http.c
index d6bc006f3..9d213ef61 100644
--- a/main/http.c
+++ b/main/http.c
@@ -1240,11 +1240,27 @@ static void *httpd_helper_thread(void *data)
enum ast_http_method http_method = AST_HTTP_UNKNOWN;
const char *transfer_encoding;
int remaining_headers;
+ struct protoent *p;
if (ast_atomic_fetchadd_int(&session_count, +1) >= session_limit) {
goto done;
}
+ /* here we set TCP_NODELAY on the socket to disable Nagle's algorithm.
+ * This is necessary to prevent delays (caused by buffering) as we
+ * write to the socket in bits and pieces. */
+ p = getprotobyname("tcp");
+ if (p) {
+ int arg = 1;
+ if( setsockopt(ser->fd, p->p_proto, TCP_NODELAY, (char *)&arg, sizeof(arg) ) < 0 ) {
+ ast_log(LOG_WARNING, "Failed to set TCP_NODELAY on HTTP connection: %s\n", strerror(errno));
+ ast_log(LOG_WARNING, "Some HTTP requests may be slow to respond.\n");
+ }
+ } else {
+ ast_log(LOG_WARNING, "Failed to set TCP_NODELAY on HTTP connection, getprotobyname(\"tcp\") failed\n");
+ ast_log(LOG_WARNING, "Some HTTP requests may be slow to respond.\n");
+ }
+
if (!fgets(buf, sizeof(buf), ser->f)) {
goto done;
}