FreeCalypso > hg > fc-selenite
annotate src/cs/services/atp/atp_port.c @ 9:6da1d56a96a3
cdg-hybrid: import from Magnetite
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 15 Jul 2018 21:08:11 +0000 |
parents | b6a5e36de839 |
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rev | line source |
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1 /******************************************************************************* |
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2 * |
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3 * File Name : atp_port.c |
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4 * |
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5 * Functions used by atp_services.c file to handle port structure |
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6 * |
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7 * (C) Texas Instruments, all rights reserved |
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8 * |
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9 * Version number : 0.1 Date : 10-May-2000 from atp_port.c |
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10 * |
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11 * History : 0.1 - Created by E. Baissus . Gathers functions used only |
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12 * as internal services |
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13 * |
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14 * Author : Eric Baissus : e-baissus@ti.com |
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15 * |
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16 * (C) Copyright 2000 by Texas Instruments Incorporated, All Rights Reserved |
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17 ******************************************************************************/ |
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18 #include "rv/rv_general.h" |
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19 #include "rvf/rvf_api.h" |
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20 #include "atp/atp_api.h" |
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21 #include "atp/atp_i.h" |
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22 #include "atp/atp_messages.h" |
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23 #include "rvm/rvm_use_id_list.h" |
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24 |
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25 |
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26 |
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27 T_ATP_PORT_STRUCT * atp_first_port_p; /* Pointer on the first port structure */ |
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28 |
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29 T_ATP_RET atp_init_port(T_ATP_PORT_STRUCT *new_port_p); |
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30 |
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31 |
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32 |
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33 |
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34 |
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35 |
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36 |
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37 |
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38 |
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39 /****************************************************************************** |
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40 * Function name: atp_init_port |
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41 * |
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42 * Description : Initialise a new port |
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43 * |
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44 * Parameters : pointer on the new port |
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45 * |
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46 * Return : Always return RV_OK |
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47 * |
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48 * History : 0.1 (1-Marsh-2000) - Created |
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49 * 0.9:(22-May-2000) - Added redirection |
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50 * |
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51 ******************************************************************************/ |
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52 |
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53 T_ATP_RET atp_init_port(T_ATP_PORT_STRUCT *new_port_p) |
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54 { |
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55 new_port_p->next_p = NULL; |
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56 new_port_p->port_state = ATP_OPEN_PENDING; |
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57 |
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58 (new_port_p->port_info[0]).port_nb = INVALID_PORT_NB; |
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59 (new_port_p->port_info[0]).sw_id = ATP_INVALID_SWE_ID; |
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60 (new_port_p->port_info[0]).tx_mb = RVF_INVALID_MB_ID; |
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61 (new_port_p->port_info[0]).rx_mb = RVF_INVALID_MB_ID; |
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62 (new_port_p->port_info[0]).rx_data_left = 0; |
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63 ((new_port_p->port_info[0]).no_copy_info).packet_mode = NORMAL_PACKET; |
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64 ((new_port_p->port_info[0]).no_copy_info).rx_head_size = 0; |
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65 ((new_port_p->port_info[0]).no_copy_info).rx_trail_size = 0; |
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66 ((new_port_p->port_info[0]).no_copy_info).tx_head_size = 0; |
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67 ((new_port_p->port_info[0]).no_copy_info).tx_trail_size = 0; |
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68 (new_port_p->port_info[0]).signal = (ATP_RX_FLOW_ON | ATP_TX_FLOW_ON); |
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69 |
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70 (new_port_p->port_info[1]).port_nb = INVALID_PORT_NB; |
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71 (new_port_p->port_info[1]).sw_id = ATP_INVALID_SWE_ID; |
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72 (new_port_p->port_info[1]).tx_mb = RVF_INVALID_MB_ID; |
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73 (new_port_p->port_info[1]).rx_mb = RVF_INVALID_MB_ID; |
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74 (new_port_p->port_info[1]).rx_data_left = 0; |
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75 ((new_port_p->port_info[1]).no_copy_info).packet_mode = NORMAL_PACKET; |
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76 ((new_port_p->port_info[1]).no_copy_info).rx_head_size = 0; |
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77 ((new_port_p->port_info[1]).no_copy_info).rx_trail_size = 0; |
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78 ((new_port_p->port_info[1]).no_copy_info).tx_head_size = 0; |
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79 ((new_port_p->port_info[1]).no_copy_info).tx_trail_size = 0; |
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80 (new_port_p->port_info[1]).signal = (ATP_RX_FLOW_ON | ATP_TX_FLOW_ON); |
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81 |
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82 /* Redirection information */ |
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83 new_port_p->redirect_mode = ATP_REDIRECT_OFF; |
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84 new_port_p->redirect_port_end_nb = 0; |
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85 new_port_p->redirect_port_p = NULL; |
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86 |
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87 /* Data queue information */ |
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88 (new_port_p->port_info[0]).rx_queue.p_first = NULL; |
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89 (new_port_p->port_info[0]).rx_queue.p_last = NULL; |
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90 (new_port_p->port_info[0]).rx_queue.count = 0; |
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91 |
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92 (new_port_p->port_info[1]).rx_queue.p_first = NULL; |
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93 (new_port_p->port_info[1]).rx_queue.p_last = NULL; |
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94 (new_port_p->port_info[1]).rx_queue.count = 0; |
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95 |
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96 /* Pointer on DCE information */ |
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97 new_port_p->dce_info_p = NULL; |
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98 |
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99 new_port_p->port_config = NOT_DEFINED_CONFIG; |
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100 |
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101 /* Flow control */ |
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102 new_port_p->port_waiting_for_mb_callback = ATP_MAX_SW_NB; |
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103 |
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104 /* Command info */ |
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105 new_port_p->cmd_info.cmd_txt_p = NULL; |
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106 |
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107 return (atp_init_cmd_info_struct (new_port_p)); |
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108 } |
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109 |
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110 |
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111 |
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112 |
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113 |
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114 |
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115 |
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116 /****************************************************************************** |
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117 * Function name: atp_create_port |
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118 * |
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119 * Description : Create a new port instance in the port chained list |
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120 * |
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121 * Parameters : Output = pointeur on the new port structure |
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122 * |
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123 * Return : Error flag : |
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124 * Possible values are RV_OK or RV_MEMORY_ERR |
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125 * |
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126 * History : 0.1 (1-Marsh-2000) - Created / E.Baissus |
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127 * |
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128 ******************************************************************************/ |
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129 |
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130 T_ATP_RET atp_create_port(T_ATP_PORT_STRUCT **port_pp) |
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131 { |
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132 |
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133 T_ATP_PORT_STRUCT *new_port_p,*p; |
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134 |
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135 /* get new buffer */ |
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136 switch(rvf_get_buf(atp_mb_prim,sizeof(T_ATP_PORT_STRUCT),(void **) &new_port_p)) |
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137 { |
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138 case RVF_GREEN: |
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139 { |
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140 break; |
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141 } |
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142 case RVF_YELLOW: |
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143 { |
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144 rvf_free_buf ((T_RVF_BUFFER *) new_port_p); |
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145 } |
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146 default: |
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147 { |
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148 return RV_MEMORY_ERR; |
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149 } |
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150 } |
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151 |
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152 /* initialisation of the new instance */ |
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153 atp_init_port(new_port_p); |
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154 |
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155 |
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156 // START : THIS SECTION MUST BE PROTECTED BY A SEMAPHORE !!!!!! |
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157 |
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158 /* get latest port instance */ |
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159 if (atp_first_port_p==NULL) |
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160 { /* this new instance is the first one */ |
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161 atp_first_port_p=new_port_p; |
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162 } |
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163 else |
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164 { |
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165 p=atp_first_port_p; |
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166 while(p->next_p!=NULL) |
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167 { |
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168 p=p->next_p; |
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169 } |
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170 /* p points on the last port instance */ |
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171 p->next_p=new_port_p; |
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172 } |
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173 // END : THIS SECTION MUST BE PROTECTTED BY A SEMAPHORE !!!!!! |
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174 |
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175 *port_pp=new_port_p; |
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176 |
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177 return RV_OK; |
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178 } |
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179 |
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180 |
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181 |
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182 |
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183 |
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184 |
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185 |
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186 /****************************************************************************** |
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187 * Function name: atp_delete_port |
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188 * |
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189 * Description : delete port instance |
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190 * |
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191 * Parameters : - port_p points on the port structure to remove |
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192 * |
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193 * Return : Standard error flag |
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194 * If OK, returns RV_OK |
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195 * |
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196 * History : 0.1 (1-Marsh-2000) - Created / E.Baissus |
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197 * |
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198 ******************************************************************************/ |
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199 |
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200 T_ATP_RET atp_delete_port(T_ATP_PORT_STRUCT *port_p) |
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201 { |
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202 T_ATP_PORT_STRUCT *p; |
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203 |
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204 p=atp_first_port_p; |
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205 |
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206 |
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207 // START : THIS SECTION MUST BE PROTECTED BY A SEMAPHORE !!!!!! |
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208 /* Delete buffer pointer by the port structure */ |
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209 if (port_p->dce_info_p != NULL) |
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210 { |
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211 // Reset fields used by the escape sequence algorithm |
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212 atp_reset_escape_sequence(port_p); |
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213 rvf_free_buf(port_p->dce_info_p); |
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214 } |
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215 if (port_p->cmd_info.cmd_txt_p != NULL) |
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216 { |
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217 rvf_free_buf(port_p->cmd_info.cmd_txt_p); |
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218 } |
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219 if (p==port_p) |
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220 { |
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221 /* The instance to delete is the first one */ |
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222 atp_first_port_p=port_p->next_p; |
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223 rvf_free_buf(port_p); |
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224 return RV_OK; |
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225 } |
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226 else |
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227 { |
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228 |
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229 while(p!=NULL) |
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230 { |
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231 if (p->next_p==port_p) |
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232 { |
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233 /* The instance to deleted has been found */ |
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234 if (port_p->next_p==NULL) |
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235 { |
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236 /* The instance to delete is the last instance of the chain */ |
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237 p->next_p=NULL; |
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238 } |
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239 else |
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240 { |
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241 p->next_p=port_p->next_p; |
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242 } |
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243 |
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244 rvf_free_buf(port_p); |
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245 return RV_OK; |
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246 |
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247 } |
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248 p=p->next_p; |
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249 |
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250 } /* end of the while loop */ |
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251 // END : THIS SECTION MUST BE PROTECTTED BY A SEMAPHORE !!!!!! |
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252 |
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253 /* The device has not been found */ |
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254 return RV_INTERNAL_ERR; |
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255 |
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256 }/* end of the if/else */ |
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257 } |
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258 |
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259 |
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260 |
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261 |
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262 |
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263 /****************************************************************************** |
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264 * Function name: atp_get_port |
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265 * |
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266 * Description : provides the pointer pointing on the proper port structure |
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267 * value |
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268 * |
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269 * Parameters : - sw_id : SW entity ID related to the port |
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270 * - port_nb : associated port number |
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271 * - &port_p : output : pointer on the found port structure |
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272 * - &sw_nd : output : indicate which of the 2 sw entity of the port has been found |
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273 * |
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274 * Return : Standard error flag from BT |
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275 * If OK, returns RV_OK. If port not found, return RV_INTERNAL_ERR. |
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276 * |
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277 * History : 0.1 (1-Marsh-2000) - Created / E.Baissus |
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278 * |
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279 ******************************************************************************/ |
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280 |
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281 T_ATP_RET atp_get_port(T_ATP_SW_ENTITY_ID sw_id, T_ATP_PORT_NB port_nb, T_ATP_PORT_STRUCT **port_found_pp, T_ATP_SW_NB *sw_nb_p) |
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282 { |
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283 for (*port_found_pp = atp_first_port_p; |
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284 *port_found_pp != NULL; |
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285 *port_found_pp = (*port_found_pp)->next_p) |
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286 { |
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287 if ((((*port_found_pp)->port_info[0]).sw_id == sw_id) && \ |
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288 (((*port_found_pp)->port_info[0]).port_nb == port_nb)) |
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289 { |
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290 /* The port instance has been found : sw_nb = 0 (initiator) */ |
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291 *sw_nb_p = 0; |
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292 return (RV_OK); |
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293 } |
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294 if ((((*port_found_pp)->port_info[1]).sw_id == sw_id) && \ |
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295 (((*port_found_pp)->port_info[1]).port_nb == port_nb)) |
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296 { |
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297 /* The port instance has been found : sw_nb = 1 (target) */ |
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298 *sw_nb_p = 1; |
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299 return (RV_OK); |
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300 } |
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301 } |
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302 return (RV_INVALID_PARAMETER); |
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303 } |
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304 |
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305 |
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306 /****************************************************************************** |
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307 * Function name: atp_delete_all_port |
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308 * |
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309 * Description : delete all the ports |
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310 * |
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311 * Parameters : |
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312 * |
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313 * Return : Standard error flag |
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314 * If OK, returns RV_OK |
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315 * |
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316 * History : 0.1 (1-Marsh-2000) - Created / E.Baissus |
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317 * |
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318 ******************************************************************************/ |
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319 T_ATP_RET atp_delete_all_port(void) |
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320 { |
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321 T_ATP_PORT_STRUCT *p,*next_p; |
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322 T_ATP_RET return_status = RV_OK; |
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323 |
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324 p=atp_first_port_p; |
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325 while((p != NULL) && (return_status == RV_OK)) |
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326 { |
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327 next_p = p->next_p; |
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328 return_status = atp_delete_port(p); |
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329 p=next_p; |
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330 } |
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331 return return_status; |
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332 } |
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333 |
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334 |
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335 |
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336 |
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337 /****************************************************************************** |
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338 * Function name: atp_send_message |
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339 * |
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340 * Description : Generic function to send message |
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341 * |
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342 * Parameters : |
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343 * |
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344 * Return : RV_OK |
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345 * |
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346 * History : 0.1 (1-Marsh-2000) - Created |
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347 * 0.15 (15-Marsh-2000) - Added possibility to send to a mail box |
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348 * |
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349 ******************************************************************************/ |
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350 T_ATP_RET atp_send_message(T_ATP_CALLBACK path,T_ATP_MESSAGE * message_p) |
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351 { |
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352 |
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353 if (path.callback_func!= NULL) |
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354 { |
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355 path.callback_func((void *) message_p); |
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356 /* It is up to the target id to free the message buffer later on !!!!*/ |
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357 return RV_OK; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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358 } |
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src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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359 else |
b6a5e36de839
src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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360 { |
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src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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361 return rvf_send_msg(path.addr_id,(void *) message_p); |
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src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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362 } |
b6a5e36de839
src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
363 |
b6a5e36de839
src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
|
364 } |
b6a5e36de839
src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
365 |
b6a5e36de839
src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
366 |
b6a5e36de839
src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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367 |