/*
* TODO
- * - xperhaps_close
* - actually implement badusage
* - options for all options
* - manpage
static void close_defer(void);
static void search_backlog_file(void);
-static void inputfile_tailing_start(InputFile *ipf);
-static void inputfile_tailing_stop(InputFile *ipf);
+static void inputfile_reading_start(InputFile *ipf);
+static void inputfile_reading_stop(InputFile *ipf);
static void filemon_start(InputFile *ipf);
static void filemon_stop(InputFile *ipf);
oop_readable_call *readable_callback;
void *readable_callback_user;
- int fd; /* may be 0, meaning closed */
+ int fd;
Filemon_Perfile *filemon;
- oop_read *rd;
+ oop_read *rd; /* non-0: reading; 0: constructing, or had EOF */
long inprogress; /* no. of articles read but not processed */
off_t offset;
int skippinglong;
return str;
}
-static void perhaps_close(int *fd) { if (*fd) { close(*fd); fd=0; } }
+static int close_perhaps(int *fd) {
+ if (!*fd) return 0;
+ int r= close(*fd);
+ *fd=0;
+ return r;
+}
+static void xclose(int fd, const char *what, const char *what2) {
+ int r= close(fd);
+ if (r) sysdie("close %s%s",what,what2?what2:"");
+}
+static void xclose_perhaps(int *fd, const char *what, const char *what2) {
+ if (!*fd) return;
+ xclose(*fd,what,what2);
+ *fd=0;
+}
static pid_t xfork(const char *what) {
pid_t child;
loop->cancel_fd(loop, conn->fd, OOP_WRITE);
loop->cancel_fd(loop, conn->fd, OOP_EXCEPTION);
}
- perhaps_close(&conn->fd);
+ int r= close_perhaps(&conn->fd);
+ if (r) info("C%d error closing socket: %s", conn->fd, strerror(errno));
free(conn);
until_connect= reconnect_delay_periods;
}
if (connecting_sockets[0])
cancel_fd_read_except(connecting_sockets[0]);
- perhaps_close(&connecting_sockets[0]);
- perhaps_close(&connecting_sockets[1]);
+ xclose_perhaps(&connecting_sockets[0], "connecting socketpair (read)",0);
+ xclose_perhaps(&connecting_sockets[1], "connecting socketpair (write)",0);
if (connecting_child) {
int r= kill(connecting_child, SIGTERM);
else if (whichcount == RC_unwanted) update_nocheck(0);
InputFile *ipf= art->ipf;
- assert(ipf->fd);
while (art->blanklen) {
static const char spaces[]=
static void feedfile_eof(InputFile *ipf) {
assert(ipf != main_input_file); /* promised by tailing_try_read */
-
- inputfile_tailing_stop(ipf);
- assert(ipf->fd > 0);
-fixme do not close fd do something else because art_done needs it to blank entries;
- if (close(ipf->fd)) sysdie("could not close input file %s", ipf->path);
- ipf->fd= 0;
+ inputfile_reading_stop(ipf);
if (ipf == flushing_input_file) {
assert(sms==sm_SEPARATED || sms==sm_DROPPING);
- if (main_input_file) inputfile_tailing_start(main_input_file);
+ if (main_input_file) inputfile_reading_start(main_input_file);
statemc_check_flushing_done();
} else if (ipf == backlog_input_file) {
statemc_check_backlog_done();
static void close_input_file(InputFile *ipf) { /* does not free */
assert(!ipf->readable_callback); /* must have had ->on_cancel */
- assert(!ipf->filemon); /* must have had inputfile_tailing_stop */
- assert(!ipf->rd); /* must have had inputfile_tailing_stop */
+ assert(!ipf->filemon); /* must have had inputfile_reading_stop */
+ assert(!ipf->rd); /* must have had inputfile_reading_stop */
assert(!ipf->inprogress); /* no dangling pointers pointing here */
-
- if (ipf->fd) {
- if (close(ipf->fd)) sysdie("could not close input file %s", ipf->path);
- ipf->fd= 0;
- }
+ xclose_perhaps(&ipf->fd, "input file ", ipf->path);
}
errno=EAGAIN;
return -1;
} else if (ipf==flushing_input_file) {
- assert(ipf->fd);
+ assert(ipf->rd);
assert(sms==sm_SEPARATED || sms==sm_DROPPING);
} else if (ipf==backlog_input_file) {
- assert(ipf->fd);
+ assert(ipf->rd);
} else {
abort();
}
OOP_RD_SHORTREC_LONG,
};
-static void inputfile_tailing_start(InputFile *ipf) {
+static void inputfile_reading_start(InputFile *ipf) {
assert(!ipf->rd);
ipf->readable.on_readable= tailing_on_readable;
ipf->readable.on_cancel= tailing_on_cancel;
ipf->readable_callback_user= 0;
ipf->rd= oop_rd_new(loop, &ipf->readable, 0,0);
- assert(ipf->fd);
+ assert(ipf->rd);
int r= oop_rd_read(ipf->rd, &feedfile_rdstyle, MAX_LINE_FEEDFILE,
feedfile_got_article,ipf, feedfile_read_err, ipf);
if (r) sysdie("unable start reading feedfile %s",ipf->path);
}
-static void inputfile_tailing_stop(InputFile *ipf) {
+static void inputfile_reading_stop(InputFile *ipf) {
assert(ipf->rd);
oop_rd_cancel(ipf->rd);
oop_rd_delete(ipf->rd);
static void startup_set_input_file(InputFile *f) {
assert(!main_input_file);
main_input_file= f;
- inputfile_tailing_start(f);
+ inputfile_reading_start(f);
}
static void statemc_init(void) {
static int inputfile_is_done(InputFile *ipf) {
if (!ipf) return 0;
if (ipf->inprogress) return 0; /* new article in the meantime */
- if (ipf->fd) return 0; /* not had EOF */
+ if (ipf->rd) return 0; /* not had EOF */
return 1;
}
if (!main_input_file) xtra= "-ABSENT";
break;
case sm_SEPARATED: case sm_DROPPING:
- xtra= flushing_input_file->fd ? "-1" : "-2";
+ xtra= flushing_input_file->rd ? "-1" : "-2";
break;
default:;
}
warn("backlog file %s vanished as we opened it", backlog_input_file);
goto try_again;
}
- inputfile_tailing_start(backlog_input_file);
+ inputfile_reading_start(backlog_input_file);
until_backlog_nextscan= -1;
return;
}
static void postfork_inputfile(InputFile *ipf) {
if (!ipf) return;
- assert(ipf->fd);
- perhaps_close(&ipf->fd);
+ xclose(ipf->fd, "(in child) input file ", ipf->path);
}
-static void postfork_stdio(FILE *f) {
+static void postfork_stdio(FILE *f, const char *what, const char *what2) {
/* we have no stdio streams that are buffered long-term */
- if (f) fclose(f);
+ if (!f) return;
+ if (fclose(f)) sysdie("close (in child) %s%s", what, what2?what2:0);
}
static void postfork(const char *what) {
Conn *conn;
for (conn=LIST_HEAD(conns); conn; conn=LIST_NEXT(conn))
- close(conn->fd);
+ close_perhaps(&conn->fd);
- postfork_stdio(defer);
+ postfork_stdio(defer, "defer file ", path_defer);
}
#define EVERY(what, interval_sec, interval_usec, body) \