FreeCalypso > hg > fc-magnetite
annotate src/g23m-fad/tcpip/rnet/rnet_rt/rnet_rt_api_gethostinfo.c @ 390:56f5db12a125
configure.sh: new CHIPSET, DSP, RF and DSP-derived settings
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 17 Jan 2018 20:10:32 +0000 |
parents | 90eb61ecd093 |
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rev | line source |
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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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132 void * user_data) |
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133 { |
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134 T_RNET_RT_GETHOSTINFO *data_p; |
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135 T_RNET_IP_ADDR naddr; |
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136 int err; |
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137 |
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138 /* check if SW entity has been initialised */ |
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139 if( rnet_rt_env_ctrl_blk_p == NULL) { |
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140 return( RNET_NOT_INITIALIZED); |
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141 } |
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142 |
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143 if( ((name == NULL) && (addr == RNET_IP_ADDR_ANY)) || |
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144 ((name != NULL) && (addr != RNET_IP_ADDR_ANY))) { |
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145 return( RNET_INVALID_PARAMETER); |
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146 } |
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147 |
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148 /* allocate callback data */ |
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149 if( rvf_get_buf( rnet_rt_env_ctrl_blk_p->mb_id, |
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150 sizeof( T_RNET_RT_GETHOSTINFO), (T_RVF_BUFFER **)&data_p) == RVF_RED) { |
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151 RNET_RT_SEND_TRACE("RNET_RT: get_host_info: cannot allocate data ", |
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152 RV_TRACE_LEVEL_WARNING); |
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153 return( RNET_MEMORY_ERR); |
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154 } |
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155 |
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156 /* save return path and user data */ |
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157 data_p->return_path = return_path; |
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158 data_p->user_data = user_data; |
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159 |
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160 /* send query */ |
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161 if( name == NULL) { |
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162 naddr = ngHTONL( addr); |
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163 rvf_lock_mutex( &rnet_rt_env_ctrl_blk_p->mutex); |
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164 |
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165 err = ngResolvByAddrAsync( NG_AF_INET, |
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166 (void *) naddr, /* XXX bug in ngresolv XXX */ |
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167 &data_p->hostent, |
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168 data_p->tmpbuf, |
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169 RNET_RT_NGIP_GETHOSTINFO_BUFMAX, |
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170 0, |
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171 (NGslv_cb_f) gethost_cb, |
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172 data_p); |
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173 rvf_unlock_mutex( &rnet_rt_env_ctrl_blk_p->mutex); |
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174 } |
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175 else { |
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176 rvf_lock_mutex( &rnet_rt_env_ctrl_blk_p->mutex); |
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177 err = ngResolvByNameAsync( NG_AF_INET, |
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178 name, |
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179 &data_p->hostent, |
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180 data_p->tmpbuf, |
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181 RNET_RT_NGIP_GETHOSTINFO_BUFMAX, |
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182 0, |
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183 (NGslv_cb_f) gethost_cb, |
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184 data_p); |
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185 rvf_unlock_mutex( &rnet_rt_env_ctrl_blk_p->mutex); |
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186 } |
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187 |
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188 switch( err) { |
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189 case NG_EDNS_WOULDBLOCK: |
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190 /* message will be sent later */ |
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191 return( RNET_OK); |
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192 case NG_EDNS_OK: |
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193 case NG_EDNS_HOST_NOT_FOUND: |
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194 case NG_EDNS_NO_ADDRESS: |
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195 case NG_EDNS_NO_RECOVERY: |
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196 case NG_EDNS_TIMEDOUT: |
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197 case NG_EDNS_TRY_AGAIN: |
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198 /* entry was in cache, send message now */ |
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199 gethost_cb( err, data_p); |
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200 return( RNET_OK); |
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201 case NG_EDNS_PROTO_SHUTDOWN: |
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202 /* invalid configuration */ |
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203 RNET_RT_SEND_TRACE("RNET_RT: get_host_info: invalid configuration.", |
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204 RV_TRACE_LEVEL_WARNING); |
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205 err = RNET_NOT_READY; |
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206 break; |
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207 default: |
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208 RNET_RT_SEND_TRACE("RNET_RT: get_host_info: default used.", |
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209 RV_TRACE_LEVEL_WARNING); |
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210 err = rnet_rt_ngip_error( err); |
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211 break; |
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212 } |
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213 /* release buffer and return error code */ |
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214 rvf_free_buf( data_p); |
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215 return((T_RNET_RET)err); |
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216 } |
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217 |
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218 #endif /* ifdef RNET_CFG_REAL_TRANSPORT */ |
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219 |