diff options
Diffstat (limited to 'src/osmo-bts-litecell15/oml_router.c')
-rw-r--r-- | src/osmo-bts-litecell15/oml_router.c | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/src/osmo-bts-litecell15/oml_router.c b/src/osmo-bts-litecell15/oml_router.c deleted file mode 100644 index 198d5e30..00000000 --- a/src/osmo-bts-litecell15/oml_router.c +++ /dev/null @@ -1,132 +0,0 @@ -/* Beginnings of an OML router */ - -/* Copyright (C) 2015 by Yves Godin <support@nuranwireless.com> - * - * Based on sysmoBTS: - * (C) 2014 by sysmocom s.f.m.c. GmbH - * - * All Rights Reserved - * - * 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 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 "oml_router.h" - -#include <osmo-bts/bts.h> -#include <osmo-bts/logging.h> -#include <osmo-bts/oml.h> -#include <osmo-bts/msg_utils.h> - -#include <osmocom/core/socket.h> -#include <osmocom/core/select.h> - -#include <errno.h> -#include <string.h> -#include <unistd.h> - -static int oml_router_read_cb(struct osmo_fd *fd, unsigned int what) -{ - struct msgb *msg; - int rc; - - msg = oml_msgb_alloc(); - if (!msg) { - LOGP(DL1C, LOGL_ERROR, "Failed to allocate oml msgb.\n"); - return -1; - } - - rc = recv(fd->fd, msg->tail, msg->data_len, 0); - if (rc <= 0) { - close(fd->fd); - osmo_fd_unregister(fd); - fd->fd = -1; - goto err; - } - - msg->l1h = msgb_put(msg, rc); - rc = msg_verify_ipa_structure(msg); - if (rc < 0) { - LOGP(DL1C, LOGL_ERROR, - "OML Router: Invalid IPA message rc(%d)\n", rc); - goto err; - } - - rc = msg_verify_oml_structure(msg); - if (rc < 0) { - LOGP(DL1C, LOGL_ERROR, - "OML Router: Invalid OML message rc(%d)\n", rc); - goto err; - } - - /* todo dispatch message */ - -err: - msgb_free(msg); - return -1; -} - -static int oml_router_accept_cb(struct osmo_fd *accept_fd, unsigned int what) -{ - int fd; - struct osmo_fd *read_fd = (struct osmo_fd *) accept_fd->data; - - /* Accept only one connection at a time. De-register it */ - if (read_fd->fd > -1) { - LOGP(DL1C, LOGL_NOTICE, - "New OML router connection. Closing old one.\n"); - close(read_fd->fd); - osmo_fd_unregister(read_fd); - read_fd->fd = -1; - } - - fd = accept(accept_fd->fd, NULL, NULL); - if (fd < 0) { - LOGP(DL1C, LOGL_ERROR, "Failed to accept. errno: %s.\n", - strerror(errno)); - return -1; - } - - read_fd->fd = fd; - if (osmo_fd_register(read_fd) != 0) { - LOGP(DL1C, LOGL_ERROR, "Registering the read fd failed.\n"); - close(fd); - read_fd->fd = -1; - return -1; - } - - return 0; -} - -int oml_router_init(struct gsm_bts *bts, const char *path, - struct osmo_fd *accept_fd, struct osmo_fd *read_fd) -{ - int rc; - - memset(accept_fd, 0, sizeof(*accept_fd)); - memset(read_fd, 0, sizeof(*read_fd)); - - accept_fd->cb = oml_router_accept_cb; - accept_fd->data = read_fd; - - read_fd->cb = oml_router_read_cb; - read_fd->data = bts; - read_fd->when = BSC_FD_READ; - read_fd->fd = -1; - - rc = osmo_sock_unix_init_ofd(accept_fd, SOCK_SEQPACKET, 0, - path, - OSMO_SOCK_F_BIND | OSMO_SOCK_F_NONBLOCK); - return rc; -} |