From bb6169400ef16b3dd4d54b171849b3d7877c651e Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 3 Nov 2014 10:19:13 +0000
Subject: [PATCH] Use upstreams configuration.

---
 src/libutil/upstream.c | 63 ++++++++++++++++++++++++++++++------------
 src/libutil/upstream.h | 15 ++++++++++
 2 files changed, 61 insertions(+), 17 deletions(-)

diff --git a/src/libutil/upstream.c b/src/libutil/upstream.c
index 2ff8f2651..010b2d0ff 100644
--- a/src/libutil/upstream.c
+++ b/src/libutil/upstream.c
@@ -26,6 +26,7 @@
 #include "upstream.h"
 #include "ottery.h"
 #include "ref.h"
+#include "cfg_file.h"
 #include "rdns.h"
 #include "xxhash.h"
 #include "utlist.h"
@@ -68,13 +69,41 @@ struct upstream_list {
 static struct rdns_resolver *res = NULL;
 static struct event_base *ev_base = NULL;
 /* 4 errors in 10 seconds */
-const guint default_max_errors = 4;
-const guint default_revive_time = 60;
-const gdouble default_revive_jitter = 0.4;
-const guint default_error_time = 10;
-const gdouble default_dns_timeout = 1.0;
-const guint default_dns_retransmits = 2;
-const guint default_max_addresses = 1024;
+static guint default_max_errors = 4;
+static gdouble default_revive_time = 60;
+static gdouble default_revive_jitter = 0.4;
+static gdouble default_error_time = 10;
+static gdouble default_dns_timeout = 1.0;
+static guint default_dns_retransmits = 2;
+static guint default_max_addresses = 1024;
+
+void
+rspamd_upstreams_library_config (struct rspamd_config *cfg)
+{
+	if (cfg->upstream_error_time) {
+		default_error_time = cfg->upstream_error_time;
+	}
+	if (cfg->upstream_max_errors) {
+		default_max_errors = cfg->upstream_max_errors;
+	}
+	if (cfg->upstream_revive_time) {
+		default_revive_time = cfg->upstream_max_errors;
+	}
+	if (cfg->dns_retransmits) {
+		default_dns_retransmits = cfg->dns_retransmits;
+	}
+	if (cfg->dns_timeout) {
+		default_dns_timeout = cfg->dns_timeout;
+	}
+}
+
+void
+rspamd_upstreams_library_init (struct rdns_resolver *resolver,
+		struct event_base *base)
+{
+	res = resolver;
+	ev_base = base;
+}
 
 static void
 rspamd_upstream_set_active (struct upstream_list *ls, struct upstream *up)
@@ -188,6 +217,8 @@ rspamd_upstream_revive_cb (int fd, short what, void *arg)
 static void
 rspamd_upstream_set_inactive (struct upstream_list *ls, struct upstream *up)
 {
+	gdouble ntim;
+
 	rspamd_mutex_lock (ls->lock);
 	g_ptr_array_remove_index (ls->alive, up->active_idx);
 	up->active_idx = -1;
@@ -212,22 +243,14 @@ rspamd_upstream_set_inactive (struct upstream_list *ls, struct upstream *up)
 		event_base_set (ev_base, &up->ev);
 	}
 
-	up->tv.tv_sec = default_revive_time + ottery_rand_range (
+	ntim = default_revive_time + ottery_rand_range (
 			default_revive_time * default_revive_jitter);
-	up->tv.tv_usec = 0;
+	double_to_tv (ntim, &up->tv);
 	event_add (&up->ev, &up->tv);
 
 	rspamd_mutex_unlock (ls->lock);
 }
 
-void
-rspamd_upstreams_library_init (struct rdns_resolver *resolver,
-		struct event_base *base)
-{
-	res = resolver;
-	ev_base = base;
-}
-
 void
 rspamd_upstream_fail (struct upstream *up)
 {
@@ -293,6 +316,12 @@ rspamd_upstreams_count (struct upstream_list *ups)
 	return ups->ups->len;
 }
 
+gsize
+rspamd_upstreams_alive (struct upstream_list *ups)
+{
+	return ups->alive->len;
+}
+
 static void
 rspamd_upstream_dtor (struct upstream *up)
 {
diff --git a/src/libutil/upstream.h b/src/libutil/upstream.h
index f6f711034..812cc4bd8 100644
--- a/src/libutil/upstream.h
+++ b/src/libutil/upstream.h
@@ -13,6 +13,8 @@ enum rspamd_upstream_rotation {
 	RSPAMD_UPSTREAM_MASTER_SLAVE
 };
 
+
+struct rspamd_config;
 /* Opaque upstream structures */
 struct upstream;
 struct upstream_list;
@@ -24,6 +26,12 @@ struct upstream_list;
 void rspamd_upstreams_library_init (struct rdns_resolver *resolver,
 		struct event_base *base);
 
+/**
+ * Configure attributes of upstreams library
+ * @param cfg
+ */
+void rspamd_upstreams_library_config (struct rspamd_config *cfg);
+
 /**
  * Upstream error logic
  * 1. During error time we count upstream_ok and upstream_fail
@@ -60,6 +68,13 @@ void rspamd_upstreams_destroy (struct upstream_list *ups);
  */
 gsize rspamd_upstreams_count (struct upstream_list *ups);
 
+/**
+ * Returns the number of upstreams in the list
+ * @param ups
+ * @return
+ */
+gsize rspamd_upstreams_alive (struct upstream_list *ups);
+
 /**
  * Add upstream from the string
  * @param ups upstream list
-- 
2.39.5