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comparison src/g23m-fad/tcpip/rnet/rnet_rt/rnet_rt_api_getproto.c @ 1:d393cd9bb723

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src/g23m-*: initial import from Magnetite
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 04:40:46 +0000
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0:b6a5e36de839 1:d393cd9bb723
1 /**
2 * @file rnet_rt_api_getproto.c
3 *
4 * RNET_RT API
5 *
6 * @author Regis Feneon
7 * @version 0.1
8 */
9
10 /*
11 * $Id: rnet_rt_api_getproto.c,v 1.3 2002/10/30 15:23:34 rf Exp $
12 * $Name: ti_20021030 $
13 *
14 * History:
15 *
16 * Date Author Modification
17 * --------------------------------------------------
18 * 3/29/2002 Regis Feneon Create
19 *
20 * (C) Copyright 2002 by TI, All Rights Reserved
21 *
22 */
23
24 #include "rnet_cfg.h"
25 #ifdef RNET_CFG_REAL_TRANSPORT
26
27 #include "rnet_rt_i.h"
28 #include "rnet_rt_env.h"
29
30 /*
31 * Retrieves the protocol associated to a connection descriptor.
32 * The protocol is retrieved with the SO_TYPE socket option.
33 *
34 * @param desc Connection identifier.
35 * @return A value of the T_RNET_IPPROTO enumeration.
36 */
37
38 T_RNET_IPPROTO rnet_rt_get_proto (T_RNET_DESC *desc)
39 {
40 int err, len, type;
41
42 len = sizeof( type);
43
44 /* get type of socket */
45 rvf_lock_mutex( &rnet_rt_env_ctrl_blk_p->mutex);
46 err = ngSAIOGetOption( (NGsock *) desc, NG_IOCTL_SOCKET, NG_SO_TYPE,
47 &type, &len);
48 rvf_unlock_mutex( &rnet_rt_env_ctrl_blk_p->mutex);
49
50 if( err == NG_EOK) {
51 switch( type) {
52 case NG_SOCK_STREAM:
53 return( RNET_IPPROTO_TCP);
54 case NG_SOCK_DGRAM:
55 return( RNET_IPPROTO_UDP);
56 default:
57 break;
58 }
59 }
60
61 /* should not happen... */
62 return( RNET_IPPROTO_UNDEFINED);
63 }
64
65 #endif /* ifdef RNET_CFG_REAL_TRANSPORT */
66