mirror of git://git.sysmocom.de/ofono
147 lines
3.2 KiB
C
147 lines
3.2 KiB
C
/*
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*
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* PPP library with GLib integration
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*
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* Copyright (C) 2009-2010 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#include <termios.h>
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#include <arpa/inet.h>
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#include <glib.h>
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#include "gatutil.h"
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#include "gatppp.h"
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#include "ppp.h"
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/* Administrative Open */
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void g_at_ppp_open(GAtPPP *ppp)
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{
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/* send an OPEN event to the lcp layer */
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lcp_open(ppp->lcp);
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}
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void g_at_ppp_set_credentials(GAtPPP *ppp, const char *username,
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const char *passwd)
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{
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auth_set_credentials(ppp->auth, username, passwd);
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}
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void g_at_ppp_set_connect_function(GAtPPP *ppp,
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GAtPPPConnectFunc callback, gpointer user_data)
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{
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ppp->connect_cb = callback;
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ppp->connect_data = user_data;
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}
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void g_at_ppp_set_disconnect_function(GAtPPP *ppp,
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GAtPPPDisconnectFunc callback,
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gpointer user_data)
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{
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ppp->disconnect_cb = callback;
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ppp->disconnect_data = user_data;
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}
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void g_at_ppp_shutdown(GAtPPP *ppp)
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{
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/* close the ppp */
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ppp_close(ppp);
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/* clean up all the queues */
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g_queue_free(ppp->event_queue);
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g_queue_free(ppp->recv_queue);
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/* cleanup modem channel */
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g_source_remove(ppp->modem_watch);
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g_io_channel_unref(ppp->modem);
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/* remove lcp */
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lcp_free(ppp->lcp);
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/* remove auth */
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auth_free(ppp->auth);
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}
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void g_at_ppp_ref(GAtPPP *ppp)
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{
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g_atomic_int_inc(&ppp->ref_count);
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}
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void g_at_ppp_unref(GAtPPP *ppp)
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{
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if (g_atomic_int_dec_and_test(&ppp->ref_count)) {
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g_at_ppp_shutdown(ppp);
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g_free(ppp);
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}
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}
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GAtPPP *g_at_ppp_new(GIOChannel *modem)
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{
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GAtPPP *ppp;
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ppp = g_try_malloc0(sizeof(GAtPPP));
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if (!ppp)
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return NULL;
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ppp->modem = g_io_channel_ref(modem);
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if (!g_at_util_setup_io(ppp->modem, G_IO_FLAG_NONBLOCK)) {
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g_io_channel_unref(modem);
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g_free(ppp);
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return NULL;
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}
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g_io_channel_set_buffered(modem, FALSE);
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ppp->ref_count = 1;
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/* set options to defaults */
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ppp->mru = DEFAULT_MRU;
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ppp->recv_accm = DEFAULT_ACCM;
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ppp->xmit_accm[0] = DEFAULT_ACCM;
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ppp->xmit_accm[3] = 0x60000000; /* 0x7d, 0x7e */
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ppp->pfc = FALSE;
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ppp->acfc = FALSE;
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/* allocate the queues */
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ppp->event_queue = g_queue_new();
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ppp->recv_queue = g_queue_new();
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ppp->index = 0;
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/* initialize the lcp state */
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ppp->lcp = lcp_new(ppp);
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/* initialize the autentication state */
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ppp->auth = auth_new(ppp);
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/* intialize the network state */
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/* start listening for packets from the modem */
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ppp->modem_watch = g_io_add_watch(modem,
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G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
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ppp_cb, ppp);
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return ppp;
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}
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