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Annotation of embedaddon/libpdel/ppp/ppp_channel.c, revision 1.1.1.1

1.1       misho       1: 
                      2: /*
                      3:  * Copyright (c) 2001-2002 Packet Design, LLC.
                      4:  * All rights reserved.
                      5:  * 
                      6:  * Subject to the following obligations and disclaimer of warranty,
                      7:  * use and redistribution of this software, in source or object code
                      8:  * forms, with or without modifications are expressly permitted by
                      9:  * Packet Design; provided, however, that:
                     10:  * 
                     11:  *    (i)  Any and all reproductions of the source or object code
                     12:  *         must include the copyright notice above and the following
                     13:  *         disclaimer of warranties; and
                     14:  *    (ii) No rights are granted, in any manner or form, to use
                     15:  *         Packet Design trademarks, including the mark "PACKET DESIGN"
                     16:  *         on advertising, endorsements, or otherwise except as such
                     17:  *         appears in the above copyright notice or in the software.
                     18:  * 
                     19:  * THIS SOFTWARE IS BEING PROVIDED BY PACKET DESIGN "AS IS", AND
                     20:  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, PACKET DESIGN MAKES NO
                     21:  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING
                     22:  * THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED
                     23:  * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
                     24:  * OR NON-INFRINGEMENT.  PACKET DESIGN DOES NOT WARRANT, GUARANTEE,
                     25:  * OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS
                     26:  * OF THE USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY,
                     27:  * RELIABILITY OR OTHERWISE.  IN NO EVENT SHALL PACKET DESIGN BE
                     28:  * LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING OUT OF ANY USE
                     29:  * OF THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY DIRECT,
                     30:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL
                     31:  * DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, LOSS OF
                     32:  * USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY THEORY OF
                     33:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     34:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
                     35:  * THE USE OF THIS SOFTWARE, EVEN IF PACKET DESIGN IS ADVISED OF
                     36:  * THE POSSIBILITY OF SUCH DAMAGE.
                     37:  *
                     38:  * Author: Archie Cobbs <archie@freebsd.org>
                     39:  */
                     40: 
                     41: #include "ppp/ppp_defs.h"
                     42: #include "ppp/ppp_channel.h"
                     43: 
                     44: void
                     45: ppp_channel_open(struct ppp_channel *chan)
                     46: {
                     47:        if (chan->meth->open != NULL)
                     48:                (*chan->meth->open)(chan);
                     49: }
                     50: 
                     51: void
                     52: ppp_channel_close(struct ppp_channel *chan)
                     53: {
                     54:        if (chan->meth->close != NULL)
                     55:                (*chan->meth->close)(chan);
                     56: }
                     57: 
                     58: void
                     59: ppp_channel_destroy(struct ppp_channel **chanp)
                     60: {
                     61:        struct ppp_channel *chan = *chanp;
                     62: 
                     63:        if (chan == NULL)
                     64:                return;
                     65:        *chanp = NULL;
                     66:        (*chan->meth->destroy)(&chan);
                     67: }
                     68: 
                     69: struct mesg_port *
                     70: ppp_channel_get_outport(struct ppp_channel *chan)
                     71: {
                     72:        return (chan->outport);
                     73: }
                     74: 
                     75: void
                     76: ppp_channel_free_output(struct ppp_channel *chan,
                     77:        struct ppp_channel_output *output)
                     78: {
                     79:        (*chan->meth->free_output)(chan, output);
                     80: }
                     81: 
                     82: void
                     83: ppp_channel_set_link_info(struct ppp_channel *chan, u_int32_t accm)
                     84: {
                     85:        if (chan->meth->set_link_info != NULL)
                     86:                (*chan->meth->set_link_info)(chan, accm);
                     87: }
                     88: 
                     89: int
                     90: ppp_channel_get_origination(struct ppp_channel *chan)
                     91: {
                     92:        return ((*chan->meth->get_origination)(chan));
                     93: }
                     94: 
                     95: const char *
                     96: ppp_channel_get_node(struct ppp_channel *chan)
                     97: {
                     98:        if (chan->meth->get_node == NULL)
                     99:                return (NULL);
                    100:        return ((*chan->meth->get_node)(chan));
                    101: }
                    102: 
                    103: const char *
                    104: ppp_channel_get_hook(struct ppp_channel *chan)
                    105: {
                    106:        if (chan->meth->get_hook == NULL)
                    107:                return (NULL);
                    108:        return ((*chan->meth->get_hook)(chan));
                    109: }
                    110: 
                    111: int
                    112: ppp_channel_is_async(struct ppp_channel *chan)
                    113: {
                    114:        if (chan->meth->is_async == NULL)
                    115:                return (0);
                    116:        return ((*chan->meth->is_async)(chan));
                    117: }
                    118: 
                    119: u_int
                    120: ppp_channel_get_mtu(struct ppp_channel *chan)
                    121: {
                    122:        if (chan->meth->get_mtu == NULL)
                    123:                return (0);
                    124:        return ((*chan->meth->get_mtu)(chan));
                    125: }
                    126: 
                    127: int
                    128: ppp_channel_get_acfcomp(struct ppp_channel *chan)
                    129: {
                    130:        if (chan->meth->get_acfcomp == NULL)
                    131:                return (0);
                    132:        return ((*chan->meth->get_acfcomp)(chan));
                    133: }
                    134: 
                    135: int
                    136: ppp_channel_get_pfcomp(struct ppp_channel *chan)
                    137: {
                    138:        if (chan->meth->get_pfcomp == NULL)
                    139:                return (0);
                    140:        return ((*chan->meth->get_pfcomp)(chan));
                    141: }
                    142: 
                    143: