FreeCalypso > hg > fc-tourmaline
comparison src/g23m-fad/tcpip/rnet/rnet_rt/rnet_rt_api_getmaxpacketsize.c @ 1:fa8dc04885d8
src/g23m-*: import from Magnetite
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 16 Oct 2020 06:25:50 +0000 |
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0:4e78acac3d88 | 1:fa8dc04885d8 |
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1 /** | |
2 * @file rnet_rt_api_getmaxpacketsize.c | |
3 * | |
4 * RNET_RT API | |
5 * | |
6 * @author Regis Feneon | |
7 * @version 0.1 | |
8 */ | |
9 | |
10 /* | |
11 * $Id: rnet_rt_api_getmaxpacketsize.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 * 7/23/2002 Regis Feneon Create | |
19 * | |
20 */ | |
21 #include "rnet_cfg.h" | |
22 #ifdef RNET_CFG_REAL_TRANSPORT | |
23 | |
24 #include "rnet_rt_i.h" | |
25 #include "rnet_rt_env.h" | |
26 | |
27 /** | |
28 * Gets the maximum send size of a message. | |
29 * | |
30 * @param desc Connection identifier [IN]. | |
31 * @param size_p Maximum send size [OUT]. | |
32 * @return RNET_NOT_INITIALIZED NET subsystem not initialized (internal error). | |
33 * RNET_INTERNAL_ERR Network subsystem failed. | |
34 * RNET_INVALID_PARAMETER The connection ID is invalid. | |
35 * RNET_NOT_READY Still processing a callback function. | |
36 * RNET_OK Local address/port successfully get. | |
37 */ | |
38 | |
39 T_RNET_RET rnet_rt_get_max_packet_size(T_RNET_DESC * desc, | |
40 UINT32 * size_p) | |
41 { | |
42 int err, len, maxsize; | |
43 | |
44 len = sizeof( maxsize); | |
45 | |
46 /* get socket buffer size */ | |
47 rvf_lock_mutex( &rnet_rt_env_ctrl_blk_p->mutex); | |
48 err = ngSAIOGetOption( (NGsock *) desc, NG_IOCTL_SOCKET, NG_SO_SNDBUF, | |
49 &maxsize, &len); | |
50 rvf_unlock_mutex( &rnet_rt_env_ctrl_blk_p->mutex); | |
51 | |
52 if( err == NG_EOK) { | |
53 *size_p = maxsize; | |
54 return( RNET_OK); | |
55 } | |
56 | |
57 return( rnet_rt_ngip_error( err)); | |
58 } | |
59 | |
60 #endif /* ifdef RNET_CFG_REAL_TRANSPORT */ | |
61 |