[vz-users] Kleiner Bug im VZlogger

[Peter Evertz]

Manchmal sind die SML Messages kaputt und sml_transport_read liefert 0.

--- a/src/protocols/MeterSML.cpp
+++ b/src/protocols/MeterSML.cpp
@@ -152,6 +152,7 @@ ssize_t MeterSML::read(std::vector<Reading> &rds, 
size_t n)

         /* wait until a we receive a new datagram from the meter 
(blocking read)
         bytes = sml_transport_read(_fd, buffer, SML_BUFFER_LEN);
+       if(bytes == 0 ) return 0;

         /* parse SML file & stripping escape sequences */
         file = sml_file_parse(buffer + 8, bytes - 16);