static gboolean
afsocket_dd_connected(AFSocketDestDriver *self)
{
gchar buf1[256], buf2[256];
int error = 0;
socklen_t errorlen = sizeof(error);
LogTransport *transport;
LogProtoClient *proto;
main_loop_assert_main_thread();
if (iv_fd_registered(&self->connect_fd))
iv_fd_unregister(&self->connect_fd);
if (self->transport_mapper->sock_type == SOCK_STREAM)
{
if (getsockopt(self->fd, SOL_SOCKET, SO_ERROR, &error, &errorlen) == -1)
{
msg_error("getsockopt(SOL_SOCKET, SO_ERROR) failed for connecting socket",
evt_tag_int("fd", self->fd),
evt_tag_str("server", g_sockaddr_format(self->dest_addr, buf2, sizeof(buf2), GSA_FULL)),
evt_tag_errno(EVT_TAG_OSERROR, errno),
evt_tag_int("time_reopen", self->time_reopen),
NULL);
goto error_reconnect;
}
if (error)
{
msg_error("Syslog connection failed",
evt_tag_int("fd", self->fd),
evt_tag_str("server", g_sockaddr_format(self->dest_addr, buf2, sizeof(buf2), GSA_FULL)),
evt_tag_errno(EVT_TAG_OSERROR, error),
evt_tag_int("time_reopen", self->time_reopen),
NULL);
goto error_reconnect;
}
}
msg_notice("Syslog connection established",
evt_tag_int("fd", self->fd),
evt_tag_str("server", g_sockaddr_format(self->dest_addr, buf2, sizeof(buf2), GSA_FULL)),
evt_tag_str("local", g_sockaddr_format(self->bind_addr, buf1, sizeof(buf1), GSA_FULL)),
NULL);
transport = afsocket_dd_construct_transport(self, self->fd);
if (!transport)
goto error_reconnect;
proto = log_proto_client_factory_construct(self->proto_factory, transport, &self->writer_options.proto_options.super);
log_writer_reopen(self->writer, proto);
return TRUE;
error_reconnect:
close(self->fd);
self->fd = -1;
afsocket_dd_start_reconnect_timer(self);
return FALSE;
}
static void
afsocket_dd_reconnect(AFSocketDestDriver *self)
{
if (!afsocket_dd_setup_addresses(self) ||
!afsocket_dd_start_connect(self))
{
msg_error("Initiating connection failed, reconnecting",
evt_tag_int("time_reopen", self->time_reopen));
afsocket_dd_start_reconnect_timer(self);
}
}
static void
afsocket_dd_try_connect(AFSocketDestDriver *self)
{
if (!afsocket_dd_setup_addresses(self) ||
!afsocket_dd_setup_connection(self))
{
msg_error("Initiating connection failed, reconnecting",
evt_tag_int("time_reopen", self->time_reopen));
afsocket_dd_start_reconnect_timer(self);
return;
}
self->reconnect_timer.handler = (void (*)(void *)) afsocket_dd_reconnect;
}
static void
afsocket_dd_notify(LogPipe *s, gint notify_code, gpointer user_data)
{
AFSocketDestDriver *self = (AFSocketDestDriver *) s;
gchar buf[MAX_SOCKADDR_STRING];
switch (notify_code)
{
case NC_CLOSE:
case NC_WRITE_ERROR:
log_writer_reopen(self->writer, NULL);
msg_notice("Syslog connection broken",
evt_tag_int("fd", self->fd),
evt_tag_str("server", g_sockaddr_format(self->dest_addr, buf, sizeof(buf), GSA_FULL)),
evt_tag_int("time_reopen", self->time_reopen));
afsocket_dd_start_reconnect_timer(self);
break;
}
}
static gboolean
afsocket_dd_connected(AFSocketDestDriver *self)
{
gchar buf1[256], buf2[256];
int error = 0;
socklen_t errorlen = sizeof(error);
LogTransport *transport;
LogProto *proto;
guint32 transport_flags = 0;
main_loop_assert_main_thread();
if (iv_fd_registered(&self->connect_fd))
iv_fd_unregister(&self->connect_fd);
if (self->flags & AFSOCKET_STREAM)
{
transport_flags |= LTF_SHUTDOWN;
if (getsockopt(self->fd, SOL_SOCKET, SO_ERROR, &error, &errorlen) == -1)
{
msg_error("getsockopt(SOL_SOCKET, SO_ERROR) failed for connecting socket",
evt_tag_int("fd", self->fd),
evt_tag_str("server", g_sockaddr_format(self->dest_addr, buf2, sizeof(buf2), GSA_FULL)),
evt_tag_errno(EVT_TAG_OSERROR, errno),
evt_tag_int("time_reopen", self->time_reopen),
NULL);
goto error_reconnect;
}
if (error)
{
msg_error("Syslog connection failed",
evt_tag_int("fd", self->fd),
evt_tag_str("server", g_sockaddr_format(self->dest_addr, buf2, sizeof(buf2), GSA_FULL)),
evt_tag_errno(EVT_TAG_OSERROR, error),
evt_tag_int("time_reopen", self->time_reopen),
NULL);
goto error_reconnect;
}
}
msg_notice("Syslog connection established",
evt_tag_int("fd", self->fd),
evt_tag_str("server", g_sockaddr_format(self->dest_addr, buf2, sizeof(buf2), GSA_FULL)),
evt_tag_str("local", g_sockaddr_format(self->bind_addr, buf1, sizeof(buf1), GSA_FULL)),
NULL);
#if ENABLE_SSL
if (self->tls_context)
{
TLSSession *tls_session;
tls_session = tls_context_setup_session(self->tls_context);
if (!tls_session)
{
goto error_reconnect;
}
tls_session_set_verify(tls_session, afsocket_dd_tls_verify_callback, self, NULL);
transport = log_transport_tls_new(tls_session, self->fd, transport_flags);
}
else
#endif
transport = log_transport_plain_new(self->fd, transport_flags);
if (self->flags & AFSOCKET_SYSLOG_PROTOCOL)
{
if (self->flags & AFSOCKET_STREAM)
proto = log_proto_framed_client_new(transport);
else
proto = log_proto_text_client_new(transport);
}
else
{
proto = log_proto_text_client_new(transport);
}
log_writer_reopen(self->writer, proto);
return TRUE;
error_reconnect:
close(self->fd);
self->fd = -1;
afsocket_dd_start_reconnect_timer(self);
return FALSE;
}