Implement rudimentary mining.reconnect support for stratum.

util.c

@@ -850,6 +850,7 @@ bool extract_sockaddr(struct pool *pool, char *url)
 
 	pool->server = (struct sockaddr_in *)res->ai_addr;
 	pool->sockaddr_url = strdup(url_address);
+
 	return true;
 }
 
@@ -1096,6 +1097,27 @@ static bool parse_diff(struct pool *pool, json_t *val)
 	return true;
 }
 
+static bool parse_reconnect(struct pool *pool, json_t *val)
+{
+	char *url;
+
+	url = (char *)json_string_value(json_array_get(val, 0));
+	if (!url)
+		return false;
+
+	if (!extract_sockaddr(pool, url))
+		return false;
+
+	pool->stratum_url = pool->sockaddr_url;
+
+	applog(LOG_NOTICE, "Reconnect requested from pool %d to %s", pool->pool_no, pool->stratum_url);
+
+	if (!initiate_stratum(pool) || !auth_stratum(pool))
+		return false;
+
+	return true;
+}
+
 bool parse_method(struct pool *pool, char *s)
 {
 	json_t *val = NULL, *method, *err_val, *params;
@@ -1147,6 +1169,11 @@ bool parse_method(struct pool *pool, char *s)
 		goto out;
 	}
 
+	if (!strncasecmp(buf, "mining.reconnect", 16) && parse_reconnect(pool, params)) {
+		ret = true;
+		goto out;
+	}
+
 out:
 	if (val)
 		json_decref(val);