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Diffstat (limited to 'daemon/rrdbotd.h')
| -rw-r--r-- | daemon/rrdbotd.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/daemon/rrdbotd.h b/daemon/rrdbotd.h new file mode 100644 index 0000000..74f8fd5 --- /dev/null +++ b/daemon/rrdbotd.h @@ -0,0 +1,182 @@ +/* + * Copyright (c) 2004, Nate Nielsen + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * * Redistributions in binary form must reproduce the + * above copyright notice, this list of conditions and + * the following disclaimer in the documentation and/or + * other materials provided with the distribution. + * * The names of contributors to this software may not be + * used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF + * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * + * CONTRIBUTORS + * Nate Nielsen <nielsen@memberwebs.com> + * + */ + +#ifndef __RRDBOTD_H__ +#define __RRDBOTD_H__ + +#include <values.h> +#include <stdint.h> + +#include "asn1.h" +#include "snmp.h" +#include "sock-any.h" +#include "hash.h" + +/* ----------------------------------------------------------------------------- + * DATA + */ + +typedef uint64_t mstime; +#define RB_UNKNOWN -DBL_MAX + +struct _rb_item; +struct _rb_poller; +struct _rb_host; +struct _rb_request; + +/* + * Note that all the members are either in the config memory + * or inline. This helps us keep memory management simple. + */ + +typedef struct _rb_item +{ + struct _rb_request* req; + + /* Specific to this item */ + const char* rrdfield; + struct snmp_value snmpfield; + + /* The last value / current request */ + double value; + + /* 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* name; + const char* community; + int version; + + /* Host resolving and book keeping */ + struct sockaddr_any address; + mstime interval; + mstime last_resolved; + + /* Next in list of hosts */ + struct _rb_host* next; +} +rb_host; + +typedef struct _rb_poller +{ + /* The hash key is interval-timeout:rrdname */ + char key[MAXPATHLEN]; + + /* This points into the memory above */ + const char* rrdname; + + mstime interval; + mstime timeout; + + /* The things to poll. rb_poller owns this list */ + rb_item* items; + + /* Book keeping */ + mstime last_polled; + + /* Next in list of pollers */ + struct _rb_poller* next; +} +rb_poller; + +typedef struct _rb_state +{ + /* Settings from command line */ + const char* confdir; + const char* rrddir; + uint retries; + uint timeout; + + /* All the pollers/hosts */ + rb_poller* polls; + rb_host* hosts; + + /* Quick lookups for responses */ + hsh_t* poll_by_key; + hsh_t* host_by_name; +} +rb_state; + +/* One global rb_state with all the main settings */ +extern rb_state g_state; + +/* ----------------------------------------------------------------------------- + * 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_snmp_parse_mib(const char* oid, struct snmp_value* value); + +/* ----------------------------------------------------------------------------- + * SNMP ENGINE (snmp-engine.c) + */ + +void rb_snmp_engine_init(); +void rb_snmp_engine_uninit(); + +/* ----------------------------------------------------------------------------- + * RRD UPDATE CODE (rrd-update.c) + */ + +void rb_rrd_update(rb_poller *poll); + +#endif /* __RRDBOTD_H__ */ |