static LogTransport *
_construct_transport(FileOpener *self, gint fd)
{
LogTransport *transport = log_transport_pipe_new(fd);
transport->read = log_transport_file_read_and_ignore_eof_method;
return transport;
}
static gboolean
afprogram_sd_init(LogPipe *s)
{
AFProgramSourceDriver *self = (AFProgramSourceDriver *) s;
GlobalConfig *cfg = log_pipe_get_config(s);
gint fd;
if (!log_src_driver_init_method(s))
return FALSE;
if (cfg)
log_reader_options_init(&self->reader_options, cfg, self->super.super.group);
msg_verbose("Starting source program",
evt_tag_str("cmdline", self->process_info.cmdline->str));
if (!afprogram_popen(&self->process_info, G_IO_IN, &fd))
return FALSE;
/* parent */
child_manager_register(self->process_info.pid, afprogram_sd_exit, log_pipe_ref(&self->super.super.super),
(GDestroyNotify) log_pipe_unref);
g_fd_set_nonblock(fd, TRUE);
g_fd_set_cloexec(fd, TRUE);
if (!self->reader)
{
LogTransport *transport;
transport = log_transport_pipe_new(fd);
self->reader = log_reader_new(s->cfg);
log_reader_reopen(self->reader, log_proto_text_server_new(transport, &self->reader_options.proto_options.super),
poll_fd_events_new(fd));
log_reader_set_options(self->reader,
s,
&self->reader_options,
STATS_LEVEL0,
SCS_PROGRAM,
self->super.super.id,
self->process_info.cmdline->str);
}
log_pipe_append((LogPipe *) self->reader, &self->super.super.super);
if (!log_pipe_init((LogPipe *) self->reader))
{
msg_error("Error initializing program source, closing fd",
evt_tag_int("fd", fd));
log_pipe_unref((LogPipe *) self->reader);
self->reader = NULL;
close(fd);
return FALSE;
}
return TRUE;
}
static LogTransport *
affile_sd_construct_transport(AFFileSourceDriver *self, gint fd)
{
if (self->file_open_options.is_pipe)
return log_transport_pipe_new(fd);
else if (self->follow_freq > 0)
return log_transport_file_new(fd);
else if (affile_is_linux_proc_kmsg(self->filename->str))
return log_transport_device_new(fd, 10);
else if (affile_is_linux_dev_kmsg(self->filename->str))
{
if (lseek(fd, 0, SEEK_END) < 0)
{
msg_error("Error seeking /dev/kmsg to the end",
evt_tag_str("error", g_strerror(errno)),
NULL);
}
return log_transport_device_new(fd, 0);
}
else
return log_transport_pipe_new(fd);
}
static gboolean
afprogram_dd_reopen(AFProgramDestDriver *self)
{
int fd;
afprogram_dd_kill_child(self);
if (!afprogram_dd_open_program(self, &fd))
return FALSE;
log_writer_reopen(self->writer, log_proto_text_client_new(log_transport_pipe_new(fd), &self->writer_options.proto_options.super));
return TRUE;
}
static gboolean
afprogram_dd_reopen(AFProgramDestDriver *self)
{
int fd;
afprogram_dd_kill_child(self);
msg_verbose("Starting destination program",
evt_tag_str("cmdline", self->cmdline->str),
NULL);
if (!afprogram_popen(self->cmdline->str, G_IO_OUT, &self->pid, &fd))
return FALSE;
child_manager_register(self->pid, afprogram_dd_exit, log_pipe_ref(&self->super.super.super), (GDestroyNotify) log_pipe_unref);
g_fd_set_nonblock(fd, TRUE);
log_writer_reopen(self->writer, log_proto_text_client_new(log_transport_pipe_new(fd), &self->writer_options.proto_options.super));
return TRUE;
}
