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osmo-e1d/src/octoi/octoi_srv_vty.c

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/*
* octoi_srv_vty.c - VTY interface for OCTOI server side
*
* (C) 2022 by Harald Welte <laforge@osmocom.org>
*
* All Rights Reserved
*
* SPDX-License-Identifier: GPL-2.0+
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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.
*/
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <talloc.h>
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/sockaddr_str.h>
#include <osmocom/core/fsm.h>
#include <osmocom/vty/telnet_interface.h>
#include <osmocom/vty/command.h>
#include <osmocom/vty/logging.h>
#include <osmocom/vty/stats.h>
#include <osmocom/vty/misc.h>
#include "e1oip.h"
#include "octoi.h"
#include "octoi_sock.h"
#include "octoi_fsm.h"
#include "octoi_vty.h"
/***********************************************************************
* core data structures
***********************************************************************/
const struct value_string octoi_account_mode_name[] = {
{ ACCOUNT_MODE_NONE, "none" },
{ ACCOUNT_MODE_ICE1USB, "ice1usb" },
{ ACCOUNT_MODE_REDIRECT, "redirect" },
{ ACCOUNT_MODE_DAHDI_TRUNKDEV, "dahdi-trunkdev" },
{ 0, NULL }
};
static struct octoi_account *_account_create(void *ctx, const char *user_id)
{
struct octoi_account *ac = talloc_zero(ctx, struct octoi_account);
if (!ac)
return NULL;
ac->user_id = talloc_strdup(ac, user_id);
if (!ac->user_id) {
talloc_free(ac);
return NULL;
}
ac->batching_factor = DEFAULT_BATCHING_FACTOR;
ac->prefill_frame_count = DEFAULT_PREFILL_FRAME_COUNT;
return ac;
}
static struct octoi_account *octoi_server_account_create(struct octoi_server *srv, const char *user_id)
{
struct octoi_account *ac = _account_create(srv, user_id);
if (!ac)
return NULL;
llist_add_tail(&ac->list, &srv->cfg.accounts);
return ac;
}
struct octoi_account *octoi_client_account_create(struct octoi_client *clnt, const char *user_id)
{
struct octoi_account *ac = _account_create(clnt, user_id);
if (!ac)
return NULL;
OSMO_ASSERT(!clnt->cfg.account);
clnt->cfg.account = ac;
ac->mode = ACCOUNT_MODE_ICE1USB;
return ac;
}
struct octoi_account *octoi_account_find(struct octoi_server *srv, const char *user_id)
{
struct octoi_account *ac;
llist_for_each_entry(ac, &srv->cfg.accounts, list) {
if (!strcmp(ac->user_id, user_id))
return ac;
}
return NULL;
}
static struct octoi_server *octoi_server_alloc(void *ctx)
{
struct octoi_server *srv = talloc_zero(ctx, struct octoi_server);
if (!srv)
return NULL;
INIT_LLIST_HEAD(&srv->cfg.accounts);
return srv;
}
/***********************************************************************
* VTY
***********************************************************************/
static struct cmd_node srv_node = {
(enum node_type) OCTOI_SRV_NODE,
"%s(config-octoi-server)# ",
1,
};
static struct cmd_node account_node = {
(enum node_type) OCTOI_ACCOUNT_NODE,
"%s(config-octoi-server-account)# ",
1,
};
DEFUN(cfg_server, cfg_server_cmd,
"octoi-server",
"Configure the OCTOI server\n")
{
struct octoi_server *srv = g_octoi->server;
if (!srv)
srv = g_octoi->server = octoi_server_alloc(g_octoi);
OSMO_ASSERT(srv);
vty->node = OCTOI_SRV_NODE;
vty->index = srv;
return CMD_SUCCESS;
}
#if 0
DEFUN(cfg_no_server, cfg_no_server_cmd,
"no octoi-server",
NO_STR "Disable OCTOI server\n")
{
/* we'd need to iterate over all accounts and terminate any
* octoi_server_fsm that might exist for each account */
}
#endif
DEFUN(cfg_srv_local, cfg_srv_local_cmd,
"local-bind (A.B.C.D|X:X::X:X) <0-65535>",
"Local OCTOI socket bind address/port\n"
"Local OCTOI IPv4 Address\n"
"Local OCTOI IPv6 Address\n"
"Local OCTOI UDP Port Number\n")
{
struct octoi_server *srv = vty->index;
int rc;
rc = osmo_sockaddr_str_from_str(&srv->cfg.local, argv[0], atoi(argv[1]));
if (rc < 0) {
vty_out(vty, "%% sockaddr Error: %s%s", strerror(errno), VTY_NEWLINE);
return CMD_WARNING;
}
if (srv->sock)
octoi_sock_destroy(srv->sock);
srv->sock = octoi_sock_create_server(srv, srv, &srv->cfg.local);
if (!srv->sock) {
vty_out(vty, "%% failed to create/bind socket: %s%s", strerror(errno), VTY_NEWLINE);
return CMD_WARNING;
}
srv->sock->rx_cb = octoi_srv_fsm_rx_cb;
if (srv->cfg.dscp) {
rc = octoi_sock_set_dscp(srv->sock, srv->cfg.dscp);
if (rc < 0) {
vty_out(vty, "%% failed to set DSCP on socket: %s%s", strerror(errno), VTY_NEWLINE);
return CMD_WARNING;
}
}
if (srv->cfg.priority) {
rc = octoi_sock_set_priority(srv->sock, srv->cfg.priority);
if (rc < 0) {
vty_out(vty, "%% failed to set priority on socket: %s%s", strerror(errno), VTY_NEWLINE);
return CMD_WARNING;
}
}
return CMD_SUCCESS;
}
DEFUN(cfg_srv_dscp, cfg_srv_dscp_cmd,
"ip-dscp <0-63>",
"Set IP DSCP value for outbound packets\n"
"IP DSCP Value to use\n")
{
struct octoi_server *srv = vty->index;
int rc;
srv->cfg.dscp = atoi(argv[0]);
if (!srv->sock)
return CMD_SUCCESS;
/* apply to already-existing server */
rc = octoi_sock_set_dscp(srv->sock, srv->cfg.dscp);
if (rc < 0) {
vty_out(vty, "%% failed to set DSCP on socket: %s%s", strerror(errno), VTY_NEWLINE);
return CMD_WARNING;
}
return CMD_SUCCESS;
}
DEFUN(cfg_srv_prio, cfg_srv_prio_cmd,
"socket-priority <0-255>",
"Set socket priority value for outbound packets\n"
"Socket Priority\n")
{
struct octoi_server *srv = vty->index;
int rc;
srv->cfg.priority = atoi(argv[0]);
if (!srv->sock)
return CMD_SUCCESS;
/* apply to already-existing server */
rc = octoi_sock_set_priority(srv->sock, srv->cfg.priority);
if (rc < 0) {
vty_out(vty, "%% failed to set priority on socket: %s%s", strerror(errno), VTY_NEWLINE);
return CMD_WARNING;
}
return CMD_SUCCESS;
}
DEFUN(cfg_srv_account, cfg_srv_account_cmd,
"account USER_ID",
"Configure a local user account\n"
"User ID\n")
{
struct octoi_server *srv = vty->index;
const char *user_id = argv[0];
struct octoi_account *ac = octoi_account_find(srv, user_id);
if (!ac)
ac = octoi_server_account_create(srv, user_id);
if (!ac)
return CMD_WARNING;
vty->node = OCTOI_ACCOUNT_NODE;
vty->index = ac;
return CMD_SUCCESS;
}
#if 0
DEFUN(cfg_srv_no_account, cfg_serv_no_account_cmd,
"no account USER_ID",
NO_STR "Remove a local user account\n"
"User ID\n")
{
struct octoi_server *srv = vty->index;
const char *user_id = argv[0];
struct octoi_account *ac = octoi_account_find(srv, user_id);
if (!ac)
return CMD_WARNING;
/* we'd need to iterate all octoi_server_fsm instances and terminate any
* pointing to this account */
}
#endif
gDEFUN(cfg_account_mode, cfg_account_mode_cmd,
"mode (ice1usb|redirect|dahdi-trunkdev)",
"Operational mode of account\n"
"Connect to local icE1usb (identified by USB serial + line number)\n"
"Redirect to other IP/Port\n"
"Use DAHDI trunkdev virtual trunk\n")
{
struct octoi_account *acc = vty->index;
/* leave old mode */
switch (acc->mode) {
case ACCOUNT_MODE_ICE1USB:
talloc_free(acc->u.ice1usb.usb_serial);
break;
default:
break;
}
memset(&acc->u, 0, sizeof(acc->u));
if (!strcmp(argv[0], "ice1usb")) {
acc->mode = ACCOUNT_MODE_ICE1USB;
} else if (!strcmp(argv[0], "redirect")) {
acc->mode = ACCOUNT_MODE_REDIRECT;
} else if (!strcmp(argv[0], "dahdi-trunkdev")) {
#ifdef HAVE_DAHDI_TRUNKDEV
acc->mode = ACCOUNT_MODE_DAHDI_TRUNKDEV;
#else
vty_out(vty, "%% This build wasn't compiled with dahdi-trunkdev support%s",
VTY_NEWLINE);
return CMD_WARNING;
#endif
} else
OSMO_ASSERT(0);
return CMD_SUCCESS;
}
#define ICE1_STR "icE1usb settings\n"
gDEFUN(cfg_account_ice1_serno, cfg_account_ice1_serno_cmd,
"ice1usb serial-number SERNO",
ICE1_STR "USB Serial Number String\n" "USB Serial Number String\n")
{
struct octoi_account *acc = vty->index;
if (acc->mode != ACCOUNT_MODE_ICE1USB) {
vty_out(vty, "%% Error: Not in icE1usb mode!%s", VTY_NEWLINE);
return CMD_WARNING;
}
osmo_talloc_replace_string(acc, &acc->u.ice1usb.usb_serial, argv[0]);
return CMD_SUCCESS;
}
gDEFUN(cfg_account_ice1_line, cfg_account_ice1_line_cmd,
"ice1usb line-number <0-1>",
ICE1_STR "E1 Line number\n" "E1 Line number\n")
{
struct octoi_account *acc = vty->index;
if (acc->mode != ACCOUNT_MODE_ICE1USB) {
vty_out(vty, "%% Error: Not in icE1usb mode!%s", VTY_NEWLINE);
return CMD_WARNING;
}
acc->u.ice1usb.line_nr = atoi(argv[0]);
return CMD_SUCCESS;
}
DEFUN(cfg_account_redir, cfg_account_redir_cmd,
"redirect (A.B.C.D|X:X::X:X) <0-65535>",
"Redirect to other IP/Port\n"
"Destination IPv4 address\n"
"Destination IPv6 address\n"
"Destination UDP port\n")
{
struct octoi_account *acc = vty->index;
int rc;
if (acc->mode != ACCOUNT_MODE_REDIRECT) {
vty_out(vty, "%% Error: Not in redirect mode!%s", VTY_NEWLINE);
return CMD_WARNING;
}
rc = osmo_sockaddr_str_from_str(&acc->u.redirect.to, argv[0], atoi(argv[1]));
if (rc < 0) {
vty_out(vty, "%% sockaddr Error: %s%s", strerror(errno), VTY_NEWLINE);
return CMD_WARNING;
}
return CMD_SUCCESS;
}
gDEFUN(cfg_account_batching_factor, cfg_account_batching_factor_cmd,
"batching-factor <1-256>",
"E1oIP batching factor (E1 frames per Tx UDP packet)\n"
"E1oIP batching factor (E1 frames per Tx UDP packet)\n")
{
struct octoi_account *acc = vty->index;
acc->batching_factor = atoi(argv[0]);
return CMD_SUCCESS;
}
gDEFUN(cfg_account_force_all_ts, cfg_account_force_all_ts_cmd,
"force-all-ts",
"Force transmission of all TS all the time\n")
{
struct octoi_account *acc = vty->index;
acc->force_send_all_ts = true;
return CMD_SUCCESS;
}
gDEFUN(cfg_account_no_force_all_ts, cfg_account_no_force_all_ts_cmd,
"no force-all-ts",
NO_STR "Don't force transmission of all TS all the time\n")
{
struct octoi_account *acc = vty->index;
acc->force_send_all_ts = false;
return CMD_SUCCESS;
}
gDEFUN(cfg_account_prefill_frame_count, cfg_account_prefill_frame_count_cmd,
"prefill-frame-count <0-900>",
"Number of E1 frames to pre-fill/pre-seed in Rx RIFO\n"
"Number of E1 frames to pre-fill/pre-seed in Rx RIFO\n")
{
struct octoi_account *acc = vty->index;
acc->prefill_frame_count = atoi(argv[0]);
return CMD_SUCCESS;
}
gDEFUN(cfg_account_buffer_reset, cfg_account_buffer_reset_cmd,
"buffer-reset <0-100>",
"Reset Rx RIFO when fill in Rx RIFO drifts too much off normal\n"
"Give fill in percentage, use 0 to disable this feature\n")
{
struct octoi_account *acc = vty->index;
acc->buffer_reset_percent = atoi(argv[0]);
return CMD_SUCCESS;
}
void octoi_vty_show_one_account(struct vty *vty, const char *pfx, struct octoi_account *acc)
{
vty_out(vty, "%sAccount '%s': Mode=%s, Batching=%u, Prefill=%u%s", pfx,
acc->user_id, get_value_string(octoi_account_mode_name, acc->mode),
acc->batching_factor, acc->prefill_frame_count, VTY_NEWLINE);
}
#ifdef HAVE_DAHDI_TRUNKDEV
#define DAHDI_STR "DAHDI trunkdev settings\n"
gDEFUN(cfg_account_trunkdev_name, cfg_account_trunkdev_name_cmd,
"dahdi-trunkdev name NAME",
DAHDI_STR "Identify DAHDI trunkdev device by name\n"
"Name of the DAHDI trunkdev device\n")
{
struct octoi_account *acc = vty->index;
if (acc->mode != ACCOUNT_MODE_DAHDI_TRUNKDEV) {
vty_out(vty, "%% Error: Not in dahdi-trunkdev mode!%s", VTY_NEWLINE);
return CMD_WARNING;
}
osmo_talloc_replace_string(acc, &acc->u.dahdi_trunkdev.name, argv[0]);
return CMD_SUCCESS;
}
gDEFUN(cfg_account_trunkdev_line, cfg_account_trunkdev_line_cmd,
"dahdi-trunkdev line-number <0-1>",
DAHDI_STR "E1 Line number\n" "E1 Line number\n")
{
struct octoi_account *acc = vty->index;
if (acc->mode != ACCOUNT_MODE_DAHDI_TRUNKDEV) {
vty_out(vty, "%% Error: Not in dahdi-trunkdev mode!%s", VTY_NEWLINE);
return CMD_WARNING;
}
acc->u.dahdi_trunkdev.line_nr = atoi(argv[0]);
return CMD_SUCCESS;
}
#endif /* HAVE_DAHDI_TRUNKDEV */
void octoi_vty_write_one_account(struct vty *vty, const struct octoi_account *acc)
{
if (!acc)
return;
vty_out(vty, " account %s%s", acc->user_id, VTY_NEWLINE);
vty_out(vty, " mode %s%s", get_value_string(octoi_account_mode_name, acc->mode),
VTY_NEWLINE);
if (acc->batching_factor != DEFAULT_BATCHING_FACTOR)
vty_out(vty, " batching-factor %u%s", acc->batching_factor, VTY_NEWLINE);
if (acc->force_send_all_ts)
vty_out(vty, " force-all-ts%s", VTY_NEWLINE);
if (acc->prefill_frame_count != DEFAULT_PREFILL_FRAME_COUNT)
vty_out(vty, " prefill-frame-count %u%s", acc->prefill_frame_count, VTY_NEWLINE);
switch (acc->mode) {
case ACCOUNT_MODE_NONE:
break;
case ACCOUNT_MODE_ICE1USB:
if (acc->u.ice1usb.usb_serial)
vty_out(vty, " ice1usb serial-number %s%s", acc->u.ice1usb.usb_serial,
VTY_NEWLINE);
vty_out(vty, " ice1usb line-number %u%s", acc->u.ice1usb.line_nr, VTY_NEWLINE);
break;
case ACCOUNT_MODE_REDIRECT:
vty_out(vty, " redirect %s %u%s", acc->u.redirect.to.ip, acc->u.redirect.to.port,
VTY_NEWLINE);
break;
case ACCOUNT_MODE_DAHDI_TRUNKDEV:
#ifdef HAVE_DAHDI_TRUNKDEV
if (acc->u.dahdi_trunkdev.name)
vty_out(vty, " dahdi-trunkdev name %s%s", acc->u.dahdi_trunkdev.name, VTY_NEWLINE);
vty_out(vty, " dahdi-trunkdev line-number %u%s", acc->u.dahdi_trunkdev.line_nr, VTY_NEWLINE);
#endif
break;
}
}
static int config_write_octoi_srv(struct vty *vty)
{
struct octoi_account *acc;
struct octoi_server *srv = g_octoi->server;
if (!srv)
return 0;
vty_out(vty, "octoi-server%s", VTY_NEWLINE);
if (strlen(srv->cfg.local.ip)) {
vty_out(vty, " local-bind %s %u%s", srv->cfg.local.ip, srv->cfg.local.port,
VTY_NEWLINE);
}
if (srv->cfg.dscp)
vty_out(vty, " ip-dscp %u%s", srv->cfg.dscp, VTY_NEWLINE);
if (srv->cfg.priority)
vty_out(vty, " socket-priority %u%s", srv->cfg.priority, VTY_NEWLINE);
llist_for_each_entry(acc, &srv->cfg.accounts, list)
octoi_vty_write_one_account(vty, acc);
return 0;
}
DEFUN(show_server, show_server_cmd,
"show octoi-server",
SHOW_STR "Display information about the OCTOI Server\n")
{
struct octoi_server *srv = g_octoi->server;
struct octoi_account *acc;
if (!srv) {
vty_out(vty, "%% No OCTOI server present%s", VTY_NEWLINE);
return CMD_WARNING;
}
vty_show_octoi_sock(vty, srv->sock);
llist_for_each_entry(acc, &srv->cfg.accounts, list)
octoi_vty_show_one_account(vty, "", acc);
return CMD_SUCCESS;
}
void octoi_server_vty_init(void)
{
install_element_ve(&show_server_cmd);
install_node(&account_node, NULL);
install_element(OCTOI_ACCOUNT_NODE, &cfg_account_mode_cmd);
install_element(OCTOI_ACCOUNT_NODE, &cfg_account_ice1_serno_cmd);
install_element(OCTOI_ACCOUNT_NODE, &cfg_account_ice1_line_cmd);
install_element(OCTOI_ACCOUNT_NODE, &cfg_account_redir_cmd);
install_element(OCTOI_ACCOUNT_NODE, &cfg_account_batching_factor_cmd);
install_element(OCTOI_ACCOUNT_NODE, &cfg_account_force_all_ts_cmd);
install_element(OCTOI_ACCOUNT_NODE, &cfg_account_no_force_all_ts_cmd);
install_element(OCTOI_ACCOUNT_NODE, &cfg_account_prefill_frame_count_cmd);
install_element(OCTOI_ACCOUNT_NODE, &cfg_account_buffer_reset_cmd);
#ifdef HAVE_DAHDI_TRUNKDEV
install_element(OCTOI_ACCOUNT_NODE, &cfg_account_trunkdev_name_cmd);
install_element(OCTOI_ACCOUNT_NODE, &cfg_account_trunkdev_line_cmd);
#endif /* HAVE_DAHDI_TRUNKDEV */
install_node(&srv_node, config_write_octoi_srv);
install_element(CONFIG_NODE, &cfg_server_cmd);
//install_element(CONFIG_NODE, &cfg_no_server_cmd);
install_element(OCTOI_SRV_NODE, &cfg_srv_local_cmd);
install_element(OCTOI_SRV_NODE, &cfg_srv_dscp_cmd);
install_element(OCTOI_SRV_NODE, &cfg_srv_prio_cmd);
install_element(OCTOI_SRV_NODE, &cfg_srv_account_cmd);
//install_element(CONFIG_SRV_NODE, &cfg_srv_no_account_cmd);
}
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