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/* $OpenBSD: agentx_internal.h,v 1.3 2021/10/23 14:39:35 martijn Exp $ */
/*
* Copyright (c) 2020 Martijn van Duren <martijn@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/queue.h>
#include <sys/time.h>
#include <sys/tree.h>
#include "ax.h"
enum agentx_cstate { /* Current state */
AX_CSTATE_CLOSE, /* Closed */
AX_CSTATE_WAITOPEN, /* Connection requested */
AX_CSTATE_OPEN, /* Open */
AX_CSTATE_WAITCLOSE /* Close requested */
};
enum agentx_dstate { /* Desired state */
AX_DSTATE_OPEN, /* Open */
AX_DSTATE_CLOSE /* Close/free */
};
struct agentx {
void (*ax_nofd)(struct agentx *, void *, int);
void *ax_cookie;
int ax_fd;
enum agentx_cstate ax_cstate;
enum agentx_dstate ax_dstate;
int ax_free; /* Freeing already planned */
struct ax *ax_ax;
TAILQ_HEAD(, agentx_session) ax_sessions;
TAILQ_HEAD(, agentx_get) ax_getreqs;
RB_HEAD(ax_requests, agentx_request) ax_requests;
};
struct agentx_session {
struct agentx *axs_ax;
uint32_t axs_id;
uint32_t axs_timeout;
struct ax_oid axs_oid;
struct ax_ostring axs_descr;
enum agentx_cstate axs_cstate;
enum agentx_dstate axs_dstate;
uint32_t axs_packetid;
TAILQ_HEAD(, agentx_context) axs_contexts;
TAILQ_ENTRY(agentx_session) axs_ax_sessions;
};
struct agentx_context {
struct agentx_session *axc_axs;
int axc_name_default;
struct ax_ostring axc_name;
uint32_t axc_sysuptime;
struct timespec axc_sysuptimespec;
enum agentx_cstate axc_cstate;
enum agentx_dstate axc_dstate;
TAILQ_HEAD(, agentx_agentcaps) axc_agentcaps;
TAILQ_HEAD(, agentx_region) axc_regions;
RB_HEAD(axc_objects, agentx_object) axc_objects;
TAILQ_ENTRY(agentx_context) axc_axs_contexts;
};
struct agentx_get {
struct agentx_context *axg_axc;
int axg_fd; /* Only used for logging */
uint32_t axg_sessionid;
uint32_t axg_transactionid;
uint32_t axg_packetid;
int axg_context_default;
struct ax_ostring axg_context;
enum ax_pdu_type axg_type;
uint16_t axg_nonrep;
uint16_t axg_maxrep;
size_t axg_nvarbind;
struct agentx_varbind *axg_varbind;
TAILQ_ENTRY(agentx_get) axg_ax_getreqs;
};
__dead void agentx_log_ax_fatalx(struct agentx *, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
void agentx_log_ax_warn(struct agentx *, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
void agentx_log_ax_warnx(struct agentx *, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
void agentx_log_ax_info(struct agentx *, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
void agentx_log_ax_debug(struct agentx *, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
__dead void agentx_log_axs_fatalx(struct agentx_session *, const char *,
...) __attribute__((__format__ (printf, 2, 3)));
void agentx_log_axs_warnx(struct agentx_session *, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
void agentx_log_axs_warn(struct agentx_session *, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
void agentx_log_axs_info(struct agentx_session *, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
__dead void agentx_log_axc_fatalx(struct agentx_context *, const char *,
...) __attribute__((__format__ (printf, 2, 3)));
void agentx_log_axc_warnx(struct agentx_context *, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
void agentx_log_axc_warn(struct agentx_context *, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
void agentx_log_axc_info(struct agentx_context *, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
void agentx_log_axc_debug(struct agentx_context *, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
__dead void agentx_log_axg_fatalx(struct agentx_get *, const char *,
...) __attribute__((__format__ (printf, 2, 3)));
void agentx_log_axg_warnx(struct agentx_get *, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
void agentx_log_axg_warn(struct agentx_get *, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
void agentx_log_axg_debug(struct agentx_get *, const char *, ...)
__attribute__((__format__ (printf, 2, 3)));
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