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annotate src/g23m-fad/tcpip/rnet/rnet_rt/rnet_rt_api_connect.c @ 174:90eb61ecd093

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src/g23m-fad: initial import from TCS3.2/LoCosto
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 12 Oct 2016 05:40:46 +0000
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1 /**
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2 * @file rnet_rt_api_connect.c
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3 *
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4 * RNET_RT API
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5 *
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6 * @author Regis Feneon
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7 * @version 0.1
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8 */
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9
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10 /*
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11 * $Id: rnet_rt_api_connect.c,v 1.3 2002/10/30 15:23:34 rf Exp $
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12 * $Name: ti_20021030 $
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13 *
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14 * History:
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15 *
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16 * Date Author Modification
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17 * --------------------------------------------------
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18 * 3/22/2002 Regis Feneon Create
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19 *
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20 * (C) Copyright 2002 by TI, All Rights Reserved
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21 *
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22 */
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23
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24 #include "rnet_cfg.h"
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25 #ifdef RNET_CFG_REAL_TRANSPORT
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26
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27 #include "rnet_rt_i.h"
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28 #include "rnet_rt_env.h"
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29
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30 #include "rnet_trace_i.h"
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31
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32 /**
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33 * Sets up the connection ID to connect to the remote host.
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34 *
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35 * For the connection-oriented client (TCP), it prepares a connection from the local
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36 * to the peer system. The connection oriented client does not need
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37 * to call rnet_bind() before rnet_connect(), since rnet_connect() would automatically
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38 * use the local address of the client and allocate dynamically a free local port.
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39 *
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40 * rnet_connect() returns immediately, does not wait for the connection to be properly setup.
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41 * The RNET_CONNECT_CFM message is sent when the connection is established.
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42 * If the connection could not be properly established, a RNET_ERROR_IND
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43 * message is sent.
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44 *
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45 * A connectionless client (UDP) would use rnet_connect() to locally specify
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46 * the remote server, but no connection is open. But the remote address
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47 * is then known and does not need to be specified again.
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48 * rnet_connect() takes as parameter a fully initialized address structure,
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49 * specifying server address and port.
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50 *
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51 * @param desc Connection identifier [IN].
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52 * @param peer_addr Peer address [IN].
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53 * @param peer_port Peer port [IN].
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54 * @return RNET_MEMORY_ERR No buffer space available.
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55 * RNET_NOT_INITIALIZED NET subsystem not initialized (internal error).
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56 * RNET_INTERNAL_ERR Network subsystem failed.
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57 * or Attempt to connect forcefully rejected.
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58 * or Attempt to connect datagram socket to broadcast address
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59 * RNET_INVALID_PARAMETER Invalid connection ID.
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60 * or Remote address not a valid address (such as ADDR_ANY).
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61 * RNET_NOT_SUPPORTED Addresses in the specified family cannot be used with this socket.
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62 * RNET_IN_USE Already connected (connection-oriented only).
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63 * RNET_NET_UNREACHABLE The network cannot be reached from this host at this time.
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64 * RNET_TIMEOUT Attempt to connect timed out without establishing a connection.
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65 * RNET_NOT_READY Still processing a callback function.
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66 * RNET_OK Connection in progress
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67 * RNET_CONNECT_CFM will be sent when the connection
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68 * has been successfully completed.
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69 */
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70
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71 T_RNET_RET rnet_rt_connect (T_RNET_DESC * desc,
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72 T_RNET_IP_ADDR peer_addr,
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73 T_RNET_PORT peer_port)
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74 {
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75 NGsockaddr addr;
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76 int err;
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77
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78 addr.sin_port = ngHTONS( peer_port);
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79 addr.sin_addr = ngHTONL( peer_addr);
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80
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81 /* connect to peer */
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82 rvf_lock_mutex( &rnet_rt_env_ctrl_blk_p->mutex);
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83 err = ngSAIOConnect( (NGsock *) desc, &addr, 0);
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84
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85 if( err == NG_EINPROGRESS) {
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86
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87 /* send msg when connection completed */
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88 ((T_RNET_RT_SOCK *) desc)->flags |= RNET_RT_SOCKF_NOTIFY_CONNECT;
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89 err = NG_EOK;
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90 }
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91
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92 rvf_unlock_mutex( &rnet_rt_env_ctrl_blk_p->mutex);
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93
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94 return( rnet_rt_ngip_error( err));
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95 }
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96
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97 #endif /* ifdef RNET_CFG_REAL_TRANSPORT */
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98