113 lines
2.7 KiB
C
113 lines
2.7 KiB
C
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/* Copyright (C) 2020 C. McEnroe <june@causal.agency>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <assert.h>
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#include <err.h>
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#include <limits.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sysexits.h>
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#include <time.h>
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#include "chat.h"
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bool logEnable;
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static struct {
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int year;
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int month;
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int day;
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FILE *file;
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} logs[IDCap];
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static FILE *logFile(uint id, const struct tm *tm) {
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if (
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logs[id].file &&
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logs[id].year == tm->tm_year &&
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logs[id].month == tm->tm_mon &&
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logs[id].day == tm->tm_mday
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) return logs[id].file;
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if (logs[id].file) {
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int error = fclose(logs[id].file);
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if (error) err(EX_IOERR, "%s", idNames[id]);
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}
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logs[id].year = tm->tm_year;
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logs[id].month = tm->tm_mon;
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logs[id].day = tm->tm_mday;
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char path[PATH_MAX] = "log";
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size_t len = strlen(path);
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dataMkdir("");
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dataMkdir(path);
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path[len++] = '/';
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for (const char *ch = network.name; *ch; ++ch) {
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path[len++] = (*ch == '/' ? '_' : *ch);
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}
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path[len] = '\0';
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dataMkdir(path);
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path[len++] = '/';
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for (const char *ch = idNames[id]; *ch; ++ch) {
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path[len++] = (*ch == '/' ? '_' : *ch);
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}
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path[len] = '\0';
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dataMkdir(path);
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strftime(&path[len], sizeof(path) - len, "/%F.log", tm);
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logs[id].file = dataOpen(path, "a");
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if (!logs[id].file) exit(EX_CANTCREAT);
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setlinebuf(logs[id].file);
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return logs[id].file;
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}
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void logClose(void) {
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if (!logEnable) return;
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for (uint id = 0; id < IDCap; ++id) {
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if (!logs[id].file) continue;
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int error = fclose(logs[id].file);
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if (error) err(EX_IOERR, "%s", idNames[id]);
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}
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}
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void logFormat(uint id, const time_t *src, const char *format, ...) {
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if (!logEnable) return;
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time_t ts = (src ? *src : time(NULL));
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struct tm *tm = localtime(&ts);
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if (!tm) err(EX_OSERR, "localtime");
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FILE *file = logFile(id, tm);
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char buf[sizeof("0000-00-00T00:00:00+0000")];
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strftime(buf, sizeof(buf), "%FT%T%z", tm);
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fprintf(file, "[%s] ", buf);
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if (ferror(file)) err(EX_IOERR, "%s", idNames[id]);
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va_list ap;
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va_start(ap, format);
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vfprintf(file, format, ap);
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va_end(ap);
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if (ferror(file)) err(EX_IOERR, "%s", idNames[id]);
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fprintf(file, "\n");
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if (ferror(file)) err(EX_IOERR, "%s", idNames[id]);
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}
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