Log the reasons of failures in the connection setup stage

Author: byshen

cherokee/connection.c

@@ -2396,6 +2396,8 @@ cherokee_connection_check_ip_validation (cherokee_connection_t *conn, cherokee_c
 	}
 
 	conn->error_code = http_access_denied;
+	LOG_ERROR_S(CHEROKEE_ERROR_CONNECTION_INVALID_IP);
+
 	return ret_error;
 }
 
@@ -2440,6 +2442,7 @@ cherokee_connection_check_http_method (cherokee_connection_t *conn, cherokee_con
 		conn->header.method = http_get;
 	}
 
+	LOG_ERROR_S(CHEROKEE_ERROR_CONNECTION_HTTPD_METHOD);
 	return ret_error;
 }
 

cherokee/error_list.py

@@ -985,6 +985,14 @@
   title = "The connection's user (%s) is not valid, please check the configuration.",
   desc  = BROKEN_CONFIG)
 
+e('CONNECTION_INVALID_IP',
+  title = "The connection's IP is invalid: please check IP or subnet configuration.",
+  desc  = BROKEN_CONFIG)
+
+e('CONNECTION_HTTPD_METHOD',
+  title = "The connection's HTTP method is not allowed.",
+  desc  = BROKEN_CONFIG)
+
 e('CONNECTION_AUTH',
   title = "Unknown authentication method",
   desc  = BROKEN_CONFIG)