pdns_exporter: Convert to C++

converters/nemea/pdns_exporter/Makefile.am

 ACLOCAL_AMFLAGS = -I m4
 bin_PROGRAMS=pdns_exporter
-pdns_exporter_SOURCES=pdns_exporter.c fields.c fields.h
+pdns_exporter_SOURCES=pdns_exporter.cpp fields.c fields.h
 pdns_exporter_LDADD=-lunirec -ltrap
 include ./aminclude.am

converters/nemea/pdns_exporter/aminclude.am

@@ -4,3 +4,5 @@ fields.h fields.c:
 	$(UNIRECPROC) -i ./ -o ./
 
 CLEANFILES = fields.c fields.h
+MAINTAINERCLEANFILES = aclocal.m4 configure depcomp install-sh missing Makefile.in
+

converters/nemea/pdns_exporter/configure.ac

@@ -3,7 +3,7 @@
 
 AC_PREREQ([2.63])
 AC_INIT([pdns_exporter], [0.0.1], [krkos@cesnet.cz])
-AC_CONFIG_SRCDIR([pdns_exporter.c])
+AC_CONFIG_SRCDIR([pdns_exporter.cpp])
 AC_CONFIG_HEADERS([config.h])
 
 AM_INIT_AUTOMAKE([foreign silent-rules subdir-objects])
@@ -15,6 +15,7 @@ AX_NEMEACOMMON_CHECK
 
 # Checks for programs.
 AC_PROG_CC
+AC_PROG_CXX
 
 # Checks for libraries.
 TRAPLIB=""

converters/nemea/pdns_exporter/pdns_exporter.c → converters/nemea/pdns_exporter/pdns_exporter.cpp

@@ -47,6 +47,7 @@
 
 #include <stdint.h>
 #include <time.h>
+#include <list>
 
 UR_FIELDS (
    string DNS_NAME,
@@ -65,10 +66,18 @@ trap_module_info_t *module_info = NULL;
 
 static int stop = 0;
 
+
+struct dns_rec{
+   int id;
+};
+
+std::list<dns_rec> dns_history;
+
+
 // Function to handle SIGTERM and SIGINT signals (used to stop the module)
 TRAP_DEFAULT_SIGNAL_HANDLER(stop = 1)
 
-char* dnsQTYPE2txt(unsigned int QTYPE) {
+const char* dnsQTYPE2txt(unsigned int QTYPE) {
    switch(QTYPE) {
       case 1:
          return "A";
@@ -127,7 +136,7 @@ char* dnsQTYPE2txt(unsigned int QTYPE) {
    }
 }
 
-char* dnsCLASS2txt(unsigned int CLASS) {
+const char* dnsCLASS2txt(unsigned int CLASS) {
    switch(CLASS) {
       case 1:
          return "IN";
@@ -179,8 +188,8 @@ int main(int argc, char **argv) {
       // PROCESS THE DATA
       char *rname = ur_get_var_as_str(in_tmplt, in_rec, F_DNS_NAME);
       char *rdata = ur_get_var_as_str(in_tmplt, in_rec, F_DNS_RDATA);
-      char *rrtype = dnsQTYPE2txt(ur_get(in_tmplt, in_rec, F_DNS_QTYPE));
-      char *rrclass = dnsCLASS2txt(ur_get(in_tmplt, in_rec, F_DNS_CLASS));
+      const char *rrtype = dnsQTYPE2txt(ur_get(in_tmplt, in_rec, F_DNS_QTYPE));
+      const char *rrclass = dnsCLASS2txt(ur_get(in_tmplt, in_rec, F_DNS_CLASS));
 
       time_t timestamp = ur_time_get_sec(ur_get(in_tmplt, in_rec, F_TIME_LAST));
       unsigned int msecs = ur_time_get_msec(ur_get(in_tmplt, in_rec, F_TIME_LAST));