diff options
Diffstat (limited to 'log.c')
-rw-r--r-- | log.c | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/log.c b/log.c deleted file mode 100644 index 2681bac..0000000 --- a/log.c +++ /dev/null @@ -1,157 +0,0 @@ -/* Copyright (C) 2018 C. McEnroe <june@causal.agency> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <err.h> -#include <errno.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/stat.h> -#include <sysexits.h> -#include <time.h> - -#include "chat.h" - -static int logRoot = -1; - -static struct Log { - int dir; - int year; - int month; - int day; - FILE *file; -} logs[TagsLen]; - -void logOpen(const char *path) { - logRoot = open(path, O_RDONLY | O_CLOEXEC); - if (logRoot < 0) err(EX_CANTCREAT, "%s", path); -} - -static void sanitize(char *name) { - for (; name[0]; ++name) { - if (name[0] == '/') name[0] = '_'; - } -} - -static FILE *logFile(struct Tag tag, const struct tm *time) { - struct Log *log = &logs[tag.id]; - if ( - log->file - && log->year == time->tm_year - && log->month == time->tm_mon - && log->day == time->tm_mday - ) return log->file; - - if (log->file) { - fclose(log->file); - - } else { - char *name = strdup(tag.name); - if (!name) err(EX_OSERR, "strdup"); - sanitize(name); - - int error = mkdirat(logRoot, name, 0700); - if (error && errno != EEXIST) err(EX_CANTCREAT, "%s", name); - - log->dir = openat(logRoot, name, O_RDONLY | O_CLOEXEC); - if (log->dir < 0) err(EX_CANTCREAT, "%s", name); - - free(name); - } - - log->year = time->tm_year; - log->month = time->tm_mon; - log->day = time->tm_mday; - - char path[sizeof("YYYY-MM-DD.log")]; - strftime(path, sizeof(path), "%F.log", time); - int fd = openat( - log->dir, path, O_RDWR | O_APPEND | O_CREAT | O_CLOEXEC, 0600 - ); - if (fd < 0) err(EX_CANTCREAT, "%s/%s", tag.name, path); - - log->file = fdopen(fd, "a+"); - if (!log->file) err(EX_CANTCREAT, "%s/%s", tag.name, path); - setlinebuf(log->file); - - return log->file; -} - -enum { StampLen = sizeof("YYYY-MM-DDThh:mm:ss+hhmm") - 1 }; - -void logFmt(struct Tag tag, const time_t *ts, const char *format, ...) { - if (logRoot < 0) return; - - time_t t; - if (!ts) { - t = time(NULL); - ts = &t; - } - - struct tm *time = localtime(ts); - if (!time) err(EX_SOFTWARE, "localtime"); - - FILE *file = logFile(tag, time); - - char stamp[StampLen + 1]; - strftime(stamp, sizeof(stamp), "%FT%T%z", time); - fprintf(file, "[%s] ", stamp); - if (ferror(file)) err(EX_IOERR, "%s", tag.name); - - va_list ap; - va_start(ap, format); - vfprintf(file, format, ap); - va_end(ap); - if (ferror(file)) err(EX_IOERR, "%s", tag.name); - - fprintf(file, "\n"); - if (ferror(file)) err(EX_IOERR, "%s", tag.name); -} - -static void logRead(struct Tag tag, bool replay) { - if (logRoot < 0) return; - - time_t t = time(NULL); - struct tm *time = localtime(&t); - if (!time) err(EX_SOFTWARE, "localtime"); - - FILE *file = logFile(tag, time); - rewind(file); - - char *line = NULL; - size_t cap = 0; - ssize_t len; - while (0 < (len = getline(&line, &cap, file))) { - if (replay) { - if (len < 1 + StampLen + 2 + 1) continue; - line[len - 1] = '\0'; - uiFmt(tag, UICold, "\3%d%s", IRCGray, &line[1 + StampLen + 2]); - } else { - printf("%s", line); - } - } - if (ferror(file)) err(EX_IOERR, "%s", tag.name); - free(line); -} - -void logList(struct Tag tag) { - logRead(tag, false); -} - -void logReplay(struct Tag tag) { - logRead(tag, true); -} |