IP Address and Docker Support

Dockerfile

@@ -0,0 +1,16 @@
+FROM debian:stretch
+# copy the data in
+
+RUN apt-get update && apt-get -y install build-essential autoconf libtool-bin libsnmp-dev && rm -rf /var/lib/apt/lists/*
+
+COPY . .
+
+RUN ./autogen.sh
+
+RUN ./configure
+
+RUN make
+
+EXPOSE 1661/udp
+
+CMD [ "./replayd", "-d", "replays", "-v", "-v", "-v" ]

bootstrap.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+docker build -t replayd . && docker run -p 1661:1661/udp replayd

parse_type.c

@@ -37,6 +37,7 @@ type_atoi type_map[] = {
     {"Timeticks",   ASN_TIMETICKS},
     {"Gauge32",     ASN_GAUGE},
     {"Counter32",   ASN_COUNTER},
+    {"Counter64",   ASN_COUNTER64},
     {"IpAddress",   ASN_IPADDRESS},
     {"NULL",        ASN_NULL},
     {NULL,          0},                 // Array end marker

replayd.c

@@ -25,6 +25,7 @@
 #include <signal.h>
 #include <stdlib.h>
 #include <ctype.h>
+#include <arpa/inet.h>
 
 #include <sys/types.h>
 #include <dirent.h>
@@ -63,6 +64,8 @@ netsnmp_variable_list *parse_reply(char *name) {
     netsnmp_variable_list *list = NULL;
     netsnmp_variable_list *lptr = NULL;
 
+    setbuf(stdout, NULL);
+
     fname = malloc(strlen(directory) + strlen(name) + 2);
     sprintf(fname, "%s/%s", directory, name);
     fr = fopen(fname, "r");
@@ -103,6 +106,7 @@ netsnmp_variable_list *parse_reply(char *name) {
             case ASN_TIMETICKS:
             case ASN_GAUGE:
             case ASN_COUNTER:
+            case ASN_COUNTER64:
                 lptr->val.integer = malloc(sizeof(long));
                 if (strchr(value, (int)'(')) {
                     value = strchr(value, (int)'(');
@@ -142,6 +146,17 @@ netsnmp_variable_list *parse_reply(char *name) {
                 snmp_parse_oid(value, lptr->val.objid, &(lptr->val_len));
                 lptr->val_len *= sizeof(oid);
                 break;
+            case ASN_IPADDRESS:
+                lptr->val.integer = malloc(sizeof(struct in_addr));
+
+                if (inet_pton(AF_INET, value, (struct in_addr *)lptr->val.integer) != 1){
+                    fprintf(stderr, "Invalid address: %s\n", value);
+                }
+                lptr->val_len = sizeof(struct in_addr);
+                break;
+            default:
+                fprintf(stderr, "Don't know how to parse %s\n", type_str);
+                break;
         }
 
     }
@@ -226,6 +241,9 @@ int main(int argc, char *argv[]) {
     struct dirent *dEnt;
     replay_entry *rEnt;
 
+    // disable output buffering
+    setbuf(stdout, NULL);
+
     // Process options
     while ((arg = getopt(argc, argv, "vd:L::")) != EOF) {
         switch (arg) {

replays/unittest

@@ -29,6 +29,8 @@
 .1.3.6.1.2.1.1.9.1.4.6 = Timeticks: (2) 0:00:00.02
 .1.3.6.1.2.1.1.9.1.4.7 = Timeticks: (2) 0:00:00.02
 .1.3.6.1.2.1.1.9.1.4.8 = Timeticks: (2) 0:00:00.02
+.1.3.6.1.2.1.15.3.1.7.0.0.0.0 = IpAddress: 0.0.0.0
+.1.3.6.1.2.1.15.3.1.7.10.1.159.251 = IpAddress: 10.1.159.251
 .1.3.6.1.4.1.31865.9999.42.2.1 = INTEGER: test(1)
 .1.3.6.1.4.1.31865.9999.42.2.2 = INTEGER: test(-2)
 .1.3.6.1.4.1.31865.9999.42.2.4 = INTEGER: 4