FreeCalypso > hg > fc-tourmaline

annotate src/g23m-fad/tcpip/rnet/rnet_rt/rnet_rt_api_gethostinfo.c @ 217:6541e43f88e5

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R2D display on/off control implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 24 Apr 2021 23:38:18 +0000
parents fa8dc04885d8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
fa8dc04885d8 src/g23m-*: import from Magnetite
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1 /**
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2 * @file rnet_rt_api_gethostinfo.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_gethostinfo.c,v 1.5 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 * 4/4/2002 Regis Feneon implementation
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20 *
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21 * (C) Copyright 2002 by TI, All Rights Reserved
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22 *
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23 */
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24
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25 #include "rnet_cfg.h"
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26 #ifdef RNET_CFG_REAL_TRANSPORT
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27
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28 #include "rnet_rt_i.h"
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29 #include "rnet_rt_env.h"
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30 #include "rnet_message.h"
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31 #include "tcpip_int.h"
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32
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33 /*
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34 * Resolver asynchronous callback.
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35 * Called by the resolver when a query is completed,
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36 * a message with the result is sent back to the application.
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37 */
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38
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39 static void gethost_cb( int code, T_RNET_RT_GETHOSTINFO *data_p)
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40 {
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41 T_RNET_HOST_INFO msg ;
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42 T_RNET_HOST_INFO *msg_p = &msg ;
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43 T_RNET_IP_ADDR addr;
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44
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45 #if 0
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46 /* allocate message for reply */
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47 msg_p = NULL;
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48 if( rvf_get_msg_buf( rnet_rt_env_ctrl_blk_p->mb_id, sizeof( T_RNET_HOST_INFO),
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49 RNET_HOST_INFO, (T_RV_HDR **) &msg_p) == RVF_RED) {
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50 RNET_RT_SEND_TRACE("RNET_RT: get_host_info: cannot allocate MSG",
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51 RV_TRACE_LEVEL_ERROR);
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52 }
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53 else {
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54 #endif /* 0 */
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55 /* prepare message */
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56 if( code == NG_EDNS_OK) {
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57 /* get address, convert to host-byte order */
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58 memcpy( &addr, data_p->hostent.h_addr_list[0], sizeof(T_RNET_IP_ADDR));
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59 msg_p->host_addr = ngNTOHL( addr);
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60 /* get full name */
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61 strncpy( msg_p->host_name, data_p->hostent.h_name,
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62 RNET_MAX_HOST_NAME_LEN-1);
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63 /* null-terminate host_name */
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64 msg_p->host_name[RNET_MAX_HOST_NAME_LEN-1] = 0;
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65 msg_p->error = RNET_OK;
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66 }
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67 else {
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68 /* host not found... */
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69 msg_p->host_addr = RNET_IP_ADDR_ANY;
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70 msg_p->host_name[0] = 0;
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71 switch( code) {
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72 case NG_EDNS_HOST_NOT_FOUND:
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73 case NG_EDNS_NO_ADDRESS:
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74 case NG_EDNS_NO_RECOVERY:
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75 case NG_EDNS_TRY_AGAIN:
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76 msg_p->error = RNET_HOST_NOT_FOUND;
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77 break;
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78 case NG_EDNS_PROTO_SHUTDOWN:
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79 msg_p->error = RNET_NOT_READY;
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80 break;
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81 case NG_EDNS_TIMEDOUT:
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82 msg_p->error = RNET_TIMEOUT;
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83 break;
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84 default:
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85 msg_p->error = rnet_rt_ngip_error( code);
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86 break;
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87 }
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88 }
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89 msg_p->user_data = data_p->user_data;
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90 tcpip_hostinfo_callback(msg_p) ;
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91 #if 0
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92 if( data_p->return_path.callback_func != NULL) {
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93 /* Send the message using callback function. */
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94 data_p->return_path.callback_func( msg_p);
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95 }
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96 else {
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97 /* Send the message using mailbox. */
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98 rvf_send_msg( data_p->return_path.addr_id, (T_RV_HDR *) msg_p);
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99 }
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100 }
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101 #endif /* 0 */
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102
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103 /* release data buffer */
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104 /* PatternVibrator("o20f10", 1); */
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105 rvf_free_buf( data_p);
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106 /* PatternVibrator("o20f10", 0); */
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107 return;
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108 }
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109
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110 /**
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111 * Requests host information corresponding to a host name or to a
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112 * network address.
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113 *
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114 * One of the two parameters name or addr must be NULL.
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115 *
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116 * This function is bridge function sending a corresponding message to RNET.
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117 * The message RNET_HOST_INFO is sent back when the requested information
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118 * is available.
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119 *
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120 * Note that this function does not need a connection identifier and specifies
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121 * its own return path.
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122 *
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123 * @param name Name of the host to resolve [IN].
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124 * @param addr Network address [IN].
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125 * @param return_path Return path for sending the response.
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126 * @return RNET_MEMORY_ERR Not enough memory is available.
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127 * RNET_OK The message could be correctly send.
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128 */
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129 T_RNET_RET rnet_rt_get_host_info (char *name,
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130 T_RNET_IP_ADDR addr,
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131 T_RV_RETURN_PATH return_path,
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diff changeset
132 void * user_data)
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 T_RNET_RT_GETHOSTINFO *data_p;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 T_RNET_IP_ADDR naddr;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 int err;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 /* check if SW entity has been initialised */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 if( rnet_rt_env_ctrl_blk_p == NULL) {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 return( RNET_NOT_INITIALIZED);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 if( ((name == NULL) && (addr == RNET_IP_ADDR_ANY)) ||
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 ((name != NULL) && (addr != RNET_IP_ADDR_ANY))) {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 return( RNET_INVALID_PARAMETER);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 /* allocate callback data */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 if( rvf_get_buf( rnet_rt_env_ctrl_blk_p->mb_id,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 sizeof( T_RNET_RT_GETHOSTINFO), (T_RVF_BUFFER **)&data_p) == RVF_RED) {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 RNET_RT_SEND_TRACE("RNET_RT: get_host_info: cannot allocate data ",
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 RV_TRACE_LEVEL_WARNING);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 return( RNET_MEMORY_ERR);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 /* save return path and user data */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 data_p->return_path = return_path;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 data_p->user_data = user_data;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 /* send query */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 if( name == NULL) {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 naddr = ngHTONL( addr);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 rvf_lock_mutex( &rnet_rt_env_ctrl_blk_p->mutex);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 err = ngResolvByAddrAsync( NG_AF_INET,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 (void *) naddr, /* XXX bug in ngresolv XXX */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 &data_p->hostent,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 data_p->tmpbuf,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 RNET_RT_NGIP_GETHOSTINFO_BUFMAX,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 0,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 (NGslv_cb_f) gethost_cb,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 data_p);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 rvf_unlock_mutex( &rnet_rt_env_ctrl_blk_p->mutex);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 else {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 rvf_lock_mutex( &rnet_rt_env_ctrl_blk_p->mutex);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 err = ngResolvByNameAsync( NG_AF_INET,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 name,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 &data_p->hostent,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 data_p->tmpbuf,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 RNET_RT_NGIP_GETHOSTINFO_BUFMAX,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 0,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 (NGslv_cb_f) gethost_cb,
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 data_p);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 rvf_unlock_mutex( &rnet_rt_env_ctrl_blk_p->mutex);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 switch( err) {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 case NG_EDNS_WOULDBLOCK:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 /* message will be sent later */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 return( RNET_OK);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 case NG_EDNS_OK:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 case NG_EDNS_HOST_NOT_FOUND:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 case NG_EDNS_NO_ADDRESS:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 case NG_EDNS_NO_RECOVERY:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 case NG_EDNS_TIMEDOUT:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 case NG_EDNS_TRY_AGAIN:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 /* entry was in cache, send message now */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 gethost_cb( err, data_p);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 return( RNET_OK);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 case NG_EDNS_PROTO_SHUTDOWN:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 /* invalid configuration */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 RNET_RT_SEND_TRACE("RNET_RT: get_host_info: invalid configuration.",
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 RV_TRACE_LEVEL_WARNING);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 err = RNET_NOT_READY;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 break;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 default:
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 RNET_RT_SEND_TRACE("RNET_RT: get_host_info: default used.",
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 RV_TRACE_LEVEL_WARNING);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 err = rnet_rt_ngip_error( err);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 break;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 /* release buffer and return error code */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 rvf_free_buf( data_p);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 return((T_RNET_RET)err);
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 #endif /* ifdef RNET_CFG_REAL_TRANSPORT */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219