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Diffstat (limited to 'openbsc/src/gb_proxy_main.c')
-rw-r--r-- | openbsc/src/gb_proxy_main.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/openbsc/src/gb_proxy_main.c b/openbsc/src/gb_proxy_main.c new file mode 100644 index 000000000..c624cf8a4 --- /dev/null +++ b/openbsc/src/gb_proxy_main.c @@ -0,0 +1,140 @@ +/* NS-over-IP proxy */ + +/* (C) 2010 by Harald Welte <laforge@gnumonks.org> + * (C) 2010 by On Waves + * All Rights Reserved + * + * 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#include <unistd.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <getopt.h> +#include <errno.h> +#include <sys/fcntl.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> + +#include <osmocore/talloc.h> +#include <osmocore/select.h> + +#include <openbsc/signal.h> +#include <openbsc/debug.h> +#include <openbsc/gprs_ns.h> +#include <openbsc/telnet_interface.h> +#include <openbsc/vty.h> + +#include "../bscconfig.h" + +/* this is here for the vty... it will never be called */ +void subscr_put() { abort(); } + +#define _GNU_SOURCE +#include <getopt.h> + +void *tall_bsc_ctx; + +struct gprs_ns_inst *gbprox_nsi; +static u_int16_t nsip_listen_port; + +const char *openbsc_version = "Osmocom NSIP Proxy " PACKAGE_VERSION; +const char *openbsc_copyright = + "Copyright (C) 2010 Harald Welte and On-Waves\n" + "Contributions by Daniel Willmann, Jan Lübbe, Stefan Schmidt\n" + "Dieter Spaar, Andreas Eversberg, Holger Freyther\n\n" + "License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>\n" + "This is free software: you are free to change and redistribute it.\n" + "There is NO WARRANTY, to the extent permitted by law.\n"; + +static char *config_file = "nsip_proxy.cfg"; + +/* Pointer to the SGSN peer */ +extern struct gbprox_peer *gbprox_peer_sgsn; + +/* call-back function for the NS protocol */ +static int proxy_ns_cb(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, + struct msgb *msg, u_int16_t bvci) +{ + int rc = 0; + + switch (event) { + case GPRS_NS_EVT_UNIT_DATA: + rc = gbprox_rcvmsg(msg, nsvc, bvci); + break; + default: + LOGP(DGPRS, LOGL_ERROR, "SGSN: Unknown event %u from NS\n", event); + if (msg) + talloc_free(msg); + rc = -EIO; + break; + } + return rc; +} + + +int main(int argc, char **argv) +{ + struct gsm_network dummy_network; + struct log_target *stderr_target; + struct sockaddr_in sin; + int rc; + + tall_bsc_ctx = talloc_named_const(NULL, 0, "nsip_proxy"); + + log_init(&log_info); + stderr_target = log_target_create_stderr(); + log_add_target(stderr_target); + log_set_all_filter(stderr_target, 1); + + telnet_init(&dummy_network, 4244); + + gbprox_nsi = gprs_ns_instantiate(&proxy_ns_cb); + if (!gbprox_nsi) { + LOGP(DGPRS, LOGL_ERROR, "Unable to instantiate NS\n"); + exit(1); + } + nsip_listen(gbprox_nsi, nsip_listen_port); + + /* 'establish' the outgoing connection to the SGSN */ + sin.sin_port = ntohs(23000); + inet_aton("192.168.100.239", &sin.sin_addr); + gbprox_peer_sgsn = nsip_connect(gbprox_nsi, &sin, 2342); + + while (1) { + rc = bsc_select_main(0); + if (rc < 0) + exit(3); + } + + exit(0); +} + +struct gsm_network; +int bsc_vty_init(struct gsm_network *dummy) +{ + cmd_init(1); + vty_init(); + + openbsc_vty_add_cmds(); + //mgcp_vty_init(); + return 0; +} + |