mirror of
https://github.com/owntracks/recorder.git
synced 2024-11-15 09:58:40 -07:00
127 lines
3.1 KiB
C
127 lines
3.1 KiB
C
/*
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* Copyright (C) 2015-2016 Jan-Piet Mens <jpmens@gmail.com> and OwnTracks
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* JAN-PIET MENS OR OWNTRACKS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <libconfig.h>
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#include "utstring.h"
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#include "ctype.h"
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#include "udata.h"
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#include "misc.h"
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#include "util.h"
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char *bindump(char *buf, long buflen)
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{
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static UT_string *out = NULL;
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int i, ch;
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utstring_renew(out);
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for (i = 0; i < buflen; i++) {
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ch = buf[i];
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if (isprint(ch)) {
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utstring_printf(out, "%c", ch);
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} else {
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utstring_printf(out, " %02X ", ch & 0xFF);
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}
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}
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return (UB(out));
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}
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/*
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* At each received message, the recorder invokes this function with the
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* current epoch time and the topic being handled. Use this to update
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* a monitoring hoook. If we have Redis, use that exclusively.
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*/
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void monitorhook(struct udata *userdata, time_t now, char *topic)
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{
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// struct udata *ud = (struct udata *)userdata;
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/* TODO: add monitor hook to a "monitor" key in LMDB ? */
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char mpath[BUFSIZ];
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static UT_string *us = NULL;
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utstring_renew(us);
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utstring_printf(us, "%ld %s\n", now, topic);
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snprintf(mpath, sizeof(mpath), "%s/monitor", STORAGEDIR);
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safewrite(mpath, UB(us));
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}
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/*
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* Return a pointer to a static area containing the last monitor entry or NULL.
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*/
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char *monitor_get()
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{
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char mpath[BUFSIZ];
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static char monitorline[BUFSIZ], *ret = NULL;
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FILE *fp;
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snprintf(mpath, sizeof(mpath), "%s/monitor", STORAGEDIR);
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if ((fp = fopen(mpath, "r")) != NULL) {
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if (fgets(monitorline, sizeof(monitorline), fp) != NULL) {
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char *bp = strchr(monitorline, '\n');
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if (bp)
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*bp = 0;
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ret = monitorline;
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}
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fclose(fp);
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}
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return (ret);
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}
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/*
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* Fill in some defaults
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*/
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void get_defaults(char *filename, struct udata *ud)
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{
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config_t cfg, *cf;
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const char *value;
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if (access(filename, R_OK) == -1)
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return;
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config_init(cf = &cfg);
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if (!config_read_file(cf, filename)) {
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olog(LOG_ERR, "Syntax error in %s:%d - %s",
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filename,
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config_error_line(cf),
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config_error_text(cf));
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config_destroy(cf);
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exit(2);
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}
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if (config_lookup_string(cf, "OTR_STORAGEDIR", &value) != CONFIG_FALSE)
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strcpy(STORAGEDIR, value);
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config_destroy(cf);
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}
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