Configuration file parsing for rrdbotd.

1 files changed, 42 insertions, 6 deletions

diff --git a/src/rrdbotd.h b/src/rrdbotd.h
index 61aef40..9c4f2b4 100644
--- a/src/rrdbotd.h
+++ b/src/rrdbotd.h
@@ -39,14 +39,24 @@
 #ifndef __RRDBOTD_H__
 #define __RRDBOTD_H__
 
+#include "asn1.h"
 #include "snmp.h"
 #include "sock_any.h"
 #include "hash.h"
 
+/* -----------------------------------------------------------------------------
+ * DATA
+ */
+
 struct _rb_item;
 struct _rb_poller;
 struct _rb_host;
 
+/*
+ * Note that all the members are either in the config memory
+ * or inline. This helps us keep memory management simple.
+ */
+
 typedef struct _rb_item
 {
     /* Specific to this item */
@@ -57,13 +67,15 @@ typedef struct _rb_item
     /* Pointers to related */
     const struct _rb_poller* poller;
     const struct _rb_host* host;
+
+    /* Next in list of items */
+    struct _rb_item* next;
 }
 rb_item;
 
-
 typedef struct _rb_host
 {
-    const char* host;
+    const char* name;
 
     /* Host resolving and book keeping */
     struct sockaddr_any address;
@@ -75,13 +87,17 @@ typedef struct _rb_host
 }
 rb_host;
 
-
 typedef struct _rb_poller
 {
+    /* The hash key is interval-rrdname */
+    char key[MAXPATHLEN];
+
+    /* This points into the memory above */
     const char* rrdname;
+
     uint32_t interval;
 
-    /* The things to poll */
+    /* The things to poll. rb_poller owns this list */
     rb_item* items;
 
     /* Book keeping */
@@ -92,9 +108,12 @@ typedef struct _rb_poller
 }
 rb_poller;
 
-
 typedef struct _rb_state
 {
+    /* Settings from command line */
+    const char* confdir;
+    const char* rrddir;
+
     /* All the pollers/hosts */
     rb_poller* polls;
     rb_host* hosts;
@@ -105,13 +124,30 @@ typedef struct _rb_state
 }
 rb_state;
 
+/* One global rb_state with all the main settings */
+extern rb_state g_state;
 
 /* -----------------------------------------------------------------------------
- * LOGGING
+ * UTILITIES (rrdbotd.c)
  */
 
 void rb_messagex (int level, const char* msg, ...);
 void rb_message (int level, const char* msg, ...);
 
+typedef void (*voidfunc)(void*);
+void rb_atexit (voidfunc func, void* data);
+
+/* -----------------------------------------------------------------------------
+ * CONFIG (config.c)
+ */
+
+void rb_config_parse();
+void rb_config_free();
+
+/* -----------------------------------------------------------------------------
+ * SNMP HELPERS (snmp-help.c)
+ */
+
+int rb_parse_mib(const char* oid, struct snmp_value* value);
 
 #endif /* __RRDBOTD_H__ */