- char var_name[4096 + 1];
- snprintf(var_name, 4096, "interface %s", iface);
- if(!config_get_boolean("plugin:proc:/proc/net/dev", var_name, enable_new_interfaces)) continue;
+ char var_name[512 + 1];
+ snprintf(var_name, 512, "plugin:proc:/proc/net/dev:%s", iface);
+ default_enable = config_get_boolean_ondemand(var_name, "enabled", default_enable);
+ if(default_enable == CONFIG_ONDEMAND_NO) continue;
+ if(default_enable == CONFIG_ONDEMAND_ONDEMAND && !rbytes && !tbytes) continue;
+
+ ddo_bandwidth = config_get_boolean_ondemand(var_name, "bandwidth", ddo_bandwidth);
+ ddo_packets = config_get_boolean_ondemand(var_name, "packets", ddo_packets);
+ ddo_errors = config_get_boolean_ondemand(var_name, "errors", ddo_errors);
+ ddo_drops = config_get_boolean_ondemand(var_name, "drops", ddo_drops);
+ ddo_fifo = config_get_boolean_ondemand(var_name, "fifo", ddo_fifo);
+ ddo_compressed = config_get_boolean_ondemand(var_name, "compressed", ddo_compressed);
+ ddo_events = config_get_boolean_ondemand(var_name, "events", ddo_events);
+
+ if(ddo_bandwidth == CONFIG_ONDEMAND_ONDEMAND && rbytes == 0 && tbytes == 0) ddo_bandwidth = 0;
+ if(ddo_errors == CONFIG_ONDEMAND_ONDEMAND && rerrors == 0 && terrors == 0) ddo_errors = 0;
+ if(ddo_drops == CONFIG_ONDEMAND_ONDEMAND && rdrops == 0 && tdrops == 0) ddo_drops = 0;
+ if(ddo_fifo == CONFIG_ONDEMAND_ONDEMAND && rfifo == 0 && tfifo == 0) ddo_fifo = 0;
+ if(ddo_compressed == CONFIG_ONDEMAND_ONDEMAND && rcompressed == 0 && tcompressed == 0) ddo_compressed = 0;
+ if(ddo_events == CONFIG_ONDEMAND_ONDEMAND && rframe == 0 && tcollisions == 0 && tcarrier == 0) ddo_events = 0;
+
+ // for absolute values, we need to switch the setting to 'yes'
+ // to allow it refresh from now on
+ if(ddo_fifo == CONFIG_ONDEMAND_ONDEMAND) config_set(var_name, "fifo", "yes");