FreeCalypso > hg > fc-magnetite
annotate src/g23m-fad/tcpip/rnet/rnet_rt/rnet_rt_api_shutdown.c @ 258:13bcc2ed7e44
configure.sh & targets/*.conf: emit FLASH_BASE_ADDR & FLASH_SECTOR_SIZE
into the generated Makefile
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 04 Aug 2017 07:14:16 +0000 |
parents | 90eb61ecd093 |
children |
rev | line source |
---|---|
174
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /** |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 * @file rnet_rt_api_shutdown.c |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 * |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 * RNET_RT API |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 * |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 * @author Regis Feneon |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 * @version 0.1 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 /* |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 * $Id: rnet_rt_api_shutdown.c,v 1.3 2002/10/30 15:23:34 rf Exp $ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 * $Name: ti_20021030 $ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 * |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 * History: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 * |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
16 * Date Author Modification |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 * -------------------------------------------------- |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
18 * 3/22/2002 Regis Feneon Create |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
19 * |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
20 * (C) Copyright 2002 by TI, All Rights Reserved |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
21 * |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
22 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
23 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
24 #include "rnet_cfg.h" |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
25 #ifdef RNET_CFG_REAL_TRANSPORT |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
26 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
27 #include "rnet_rt_i.h" |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
28 #include "rnet_rt_env.h" |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
29 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
30 /** |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
31 * Disables the sending on a socket and informs the peer |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
32 * about it. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
33 * |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
34 * Subsequent calls to the send function are disallowed. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
35 * For TCP sockets, a FIN will be sent after all data is sent and acknowledged by the receiver. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
36 * The rnet_shutdown function does not frees the connection ID. Any resources attached |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
37 * to the ID will not be freed until rnet_close is invoked. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
38 * |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
39 * To assure that all data is sent and received on a connection (TCP) before it |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
40 * is closed, an application should use rnet_shutdown to close connection before calling |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
41 * rnet_close. For example, to initiate a graceful disconnect: |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
42 * 1) Call rnet_shutdown. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
43 * 2) When RNET_ERROR_IND with RNET_CONN_CLOSED is received, call rnet_recv until |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
44 * the len parameter is zero. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
45 * 3) Call rnet_close. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
46 * |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
47 * Following technique describes how to minimize the chance of problems |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
48 * occurring during connection teardown. In this example, the client is responsible for |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
49 * initiating a graceful shutdown. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
50 * |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
51 * Client Side Server Side |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
52 * (1) Invoke rnet_shutdown to |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
53 * signal end of session and that |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
54 * client has no more data to send. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
55 * (2) Receive RNET_ERROR_IND with RNET_CONN_CLOSED, |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
56 * indicating graceful shutdown in progress |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
57 * and that all data has been received. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
58 * (3) Send any remaining response data with rnet_send. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
59 * (5') Get RNET_RECV_IND and (4) Invoke rnet_shutdown to |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
60 * invoke rnet_recv to get any indicate server has no more data to send. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
61 * response data sent by server. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
62 * (5) Receive RNET_ERROR_IND (4') Invoke rnet_close. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
63 * with RNET_CONN_CLOSED. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
64 * (6) Invoke rnet_close. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
65 * |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
66 * The timing sequence is maintained from step (1) to step (6) between the client and |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
67 * the server, except for step (4') and (5') which only has local timing significance in |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
68 * the sense that step (5) follows step (5') on the client side while step (4') follows |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
69 * step (4) on the server side, with no timing relationship with the remote party. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
70 * |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
71 * @param desc Connection identifier. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
72 * @return RNET_NOT_INITIALIZED NET subsystem not initialized (internal error). |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
73 * RNET_INTERNAL_ERR Network subsystem failed. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
74 * RNET_INVALID_PARAMETER The connection ID is invalid. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
75 * The descriptor is not connected (TCP only). |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
76 * RNET_NOT_READY Still processing a callback function. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
77 * RNET_OK Connection shutdown, sending impossible |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
78 * RNET_ERROR_IND with the parameter RNET_CONN_CLOSED |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
79 * will be sent to the peer. |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
80 */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
81 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
82 T_RNET_RET rnet_rt_shutdown (T_RNET_DESC * desc) |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
83 { |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
84 int err; |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
85 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
86 /* stop sending data */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
87 rvf_lock_mutex( &rnet_rt_env_ctrl_blk_p->mutex); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
88 err = ngSAIOShutdown( (NGsock *) desc, 1); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
89 rvf_unlock_mutex( &rnet_rt_env_ctrl_blk_p->mutex); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
90 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
91 return( rnet_rt_ngip_error( err)); |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
92 } |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
93 |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
94 #endif /* ifdef RNET_CFG_REAL_TRANSPORT */ |
90eb61ecd093
src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
95 |