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annotate extensions/dbg_interactive/peers.i @ 1534:c83e60f28632

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dict_dcca_3gpp: simplify rule creation Refactor local_rules_definition to simplify rule creation (to avoid c99 struct initialisers that result in long lines). No change to generated rules.
author Luke Mewburn <luke@mewburn.net>
date Mon, 20 Apr 2020 12:12:42 +1000
parents 1af09cc156d6
children
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rev   line source
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1 /*********************************************************************************************************
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2 * Software License Agreement (BSD License) *
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3 * Author: Sebastien Decugis <sdecugis@freediameter.net> *
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4 * *
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5 * Copyright (c) 2013, WIDE Project and NICT *
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6 * All rights reserved. *
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7 * *
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8 * Redistribution and use of this software in source and binary forms, with or without modification, are *
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9 * permitted provided that the following conditions are met: *
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10 * *
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11 * * Redistributions of source code must retain the above *
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12 * copyright notice, this list of conditions and the *
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13 * following disclaimer. *
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14 * *
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15 * * Redistributions in binary form must reproduce the above *
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16 * copyright notice, this list of conditions and the *
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17 * following disclaimer in the documentation and/or other *
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18 * materials provided with the distribution. *
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19 * *
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20 * * Neither the name of the WIDE Project or NICT nor the *
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21 * names of its contributors may be used to endorse or *
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22 * promote products derived from this software without *
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23 * specific prior written permission of WIDE Project and *
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24 * NICT. *
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25 * *
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26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
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27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
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29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
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30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *
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31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
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32 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF *
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33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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34 *********************************************************************************************************/
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35
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36 /* Do not include this directly, use dbg_interactive.i instead */
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37
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38 /****** PEERS *********/
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39
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40 %{
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41 static void fd_add_cb(struct peer_info *peer, void *data) {
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42 /* Callback called when the peer connection completes (or fails) */
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43 PyObject *PyPeer, *PyFunc;
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44 PyObject *result = NULL;
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45
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46 if (!data) {
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47 TRACE_DEBUG(INFO, "Internal error: missing callback");
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48 return;
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49 }
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50 PyFunc = data;
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51
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52 SWIG_PYTHON_THREAD_BEGIN_BLOCK;
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53
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54 /* Convert the argument */
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55 PyPeer = SWIG_NewPointerObj((void *)peer, SWIGTYPE_p_peer_info, 0 );
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56
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57 /* Call the function */
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58 result = PyObject_CallFunction(PyFunc, "(O)", PyPeer);
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59
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60 Py_XDECREF(result);
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61 Py_XDECREF(PyFunc);
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62
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63 SWIG_PYTHON_THREAD_END_BLOCK;
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64 return;
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65 }
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66 %}
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67
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68 %extend peer_info {
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69 peer_info () {
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70 struct peer_info *np = (struct peer_info *)calloc(1, sizeof(struct peer_info));
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71 if (!np) {
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72 DI_ERROR_MALLOC;
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73 return NULL;
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74 }
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75
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76 fd_list_init(&np->pi_endpoints, NULL);
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77
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78 return np;
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79 }
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80
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81 /* Wrapper around fd_peer_add to allow calling the python callback */
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82 %delobject add;
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83 void add(PyObject * PyCb=NULL) {
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84 int ret;
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85
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86 if (PyCb) {
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87 Py_XINCREF(PyCb);
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88 ret = fd_peer_add ( $self, "dbg_interactive", fd_add_cb, PyCb );
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89 } else {
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90 ret = fd_peer_add ( $self, "dbg_interactive", NULL, NULL );
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91 }
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92 if (ret != 0) {
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93 DI_ERROR(ret, NULL, NULL);
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94 }
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95 }
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96 }
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97
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98 %inline %{
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99 static struct peer_hdr * peer_search(char *STRING, size_t LENGTH) {
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100 struct peer_hdr *r = NULL;
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101 int ret = fd_peer_getbyid( STRING, LENGTH, 0, &r );
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102 if (ret) {
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103 DI_ERROR(ret, NULL, NULL);
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104 return NULL;
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105 }
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106 return r;
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107 }
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108 %}
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109
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110 %{
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111 static PyObject * validate_cb_py = NULL;
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112 static PyObject * validate_cb2_py = NULL;
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113
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114 /* C wrapper that calls validate_cb2_py */
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115 int call_the_python_validate_callback2(struct peer_info * info) {
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116 PyObject *PyInfo;
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117 PyObject *result = NULL;
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118 int ret = 0;
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119
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120 if (!validate_cb2_py) {
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121 fd_log_debug("Internal error: missing the callback2!");
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122 return ENOTSUP;
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123 }
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124
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125 SWIG_PYTHON_THREAD_BEGIN_BLOCK;
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126 /* Convert the arguments */
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127 PyInfo = SWIG_NewPointerObj((void *)info, SWIGTYPE_p_peer_info, 0 );
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128
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129 /* Call the function */
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130 result = PyObject_CallFunction(validate_cb2_py, "(O)", PyInfo);
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131
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132 /* The result is an integer */
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133 if ((result == NULL) || !SWIG_IsOK(SWIG_AsVal_int(result, &ret))) {
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134 fd_log_debug("Error: The Python callback did not return an integer.");
640
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135 ret = EINVAL;
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136 goto out;
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137 }
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138
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139 out:
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140 Py_XDECREF(result);
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141 SWIG_PYTHON_THREAD_END_BLOCK;
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142 return ret;
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143 }
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144
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145 /* C wrapper that calls validate_cb_py */
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146 int call_the_python_validate_callback(struct peer_info * info, int * auth, int (**cb2)(struct peer_info *)) {
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147 PyObject *PyInfo;
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148 PyObject *result = NULL;
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149 int ret = 0;
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150
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151 if (!validate_cb_py) {
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152 fd_log_debug("Internal error: missing the callback!");
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153 return ENOTSUP;
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154 }
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155
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156 SWIG_PYTHON_THREAD_BEGIN_BLOCK;
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157 /* Convert the arguments */
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158 PyInfo = SWIG_NewPointerObj((void *)info, SWIGTYPE_p_peer_info, 0 );
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159
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160 /* Call the function */
1013
7b5c46505e09 Replace calls to PyEval_CallFunction by PyObject_CallFunction
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161 result = PyObject_CallFunction(validate_cb_py, "(O)", PyInfo);
640
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162
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163 /* The result is supposedly -1, 1, or a cb2 */
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164 if (result == NULL) {
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165 fd_log_debug("Error: The Python callback did not return a value.");
640
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166 ret = EINVAL;
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167 goto out;
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168 }
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169
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170 if (PyCallable_Check(result)) {
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171 if (cb2) {
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172 if (validate_cb2_py && (validate_cb2_py != result)) {
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173 fd_log_debug("Only 1 register callback2 is supported currently");
640
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174 ret = ENOTSUP;
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diff changeset
175 goto out;
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diff changeset
176 }
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177 validate_cb2_py = result;
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178 *cb2 = call_the_python_validate_callback2;
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179 *auth = 1;
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180 goto out_nodec;
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diff changeset
181 } else {
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diff changeset
182 *auth = 1;
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183 goto out; /* ignore the callback since it won't be used */
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diff changeset
184 }
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185 } else { /* In this case, the return value must be -1, 0, or 1 */
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diff changeset
186 if (!SWIG_IsOK(SWIG_AsVal_int(result, auth))) {
979
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diff changeset
187 fd_log_debug("Error: Cannot convert the return value to integer.");
640
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diff changeset
188 ret = EINVAL;
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diff changeset
189 goto out;
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parents: 638
diff changeset
190 }
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diff changeset
191 }
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diff changeset
192
237cf6339546 dbg_interactive almost complete
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diff changeset
193 out:
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diff changeset
194 Py_XDECREF(result);
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parents: 638
diff changeset
195 out_nodec:
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diff changeset
196 SWIG_PYTHON_THREAD_END_BLOCK;
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diff changeset
197 TRACE_DEBUG(FULL, "ret=%d, *auth=%d, cb2=%p, *cb2=%p", ret, *auth, cb2, cb2 ? *cb2 : NULL);
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diff changeset
198 return ret;
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diff changeset
199 }
638
9448cba86673 Improved usability of dbg_interactive
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diff changeset
200
640
237cf6339546 dbg_interactive almost complete
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diff changeset
201 %}
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diff changeset
202
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diff changeset
203 %inline %{
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diff changeset
204 static void peer_validate_register(PyObject * PyCb) {
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parents: 638
diff changeset
205 int ret ;
237cf6339546 dbg_interactive almost complete
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parents: 638
diff changeset
206
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parents: 638
diff changeset
207 if (!PyCb) {
237cf6339546 dbg_interactive almost complete
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parents: 638
diff changeset
208 DI_ERROR(EINVAL, NULL, "The callback must be provided");
237cf6339546 dbg_interactive almost complete
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parents: 638
diff changeset
209 return;
237cf6339546 dbg_interactive almost complete
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parents: 638
diff changeset
210 }
237cf6339546 dbg_interactive almost complete
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parents: 638
diff changeset
211
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parents: 638
diff changeset
212 if (validate_cb_py) {
237cf6339546 dbg_interactive almost complete
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parents: 638
diff changeset
213 if (PyCb != validate_cb_py) {
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Sebastien Decugis <sdecugis@nict.go.jp>
parents: 638
diff changeset
214 DI_ERROR(ENOTSUP, PyExc_RuntimeError, "Only 1 register callback is supported currently");
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parents: 638
diff changeset
215 return;
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parents: 638
diff changeset
216 }
237cf6339546 dbg_interactive almost complete
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 638
diff changeset
217 } else {
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Sebastien Decugis <sdecugis@nict.go.jp>
parents: 638
diff changeset
218 validate_cb_py = PyCb;
237cf6339546 dbg_interactive almost complete
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 638
diff changeset
219 Py_XINCREF(PyCb);
237cf6339546 dbg_interactive almost complete
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 638
diff changeset
220 }
237cf6339546 dbg_interactive almost complete
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 638
diff changeset
221
237cf6339546 dbg_interactive almost complete
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 638
diff changeset
222 ret = fd_peer_validate_register ( call_the_python_validate_callback );
237cf6339546 dbg_interactive almost complete
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parents: 638
diff changeset
223 if (ret) {
237cf6339546 dbg_interactive almost complete
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 638
diff changeset
224 DI_ERROR(ret, NULL, NULL);
237cf6339546 dbg_interactive almost complete
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 638
diff changeset
225 }
638
9448cba86673 Improved usability of dbg_interactive
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 637
diff changeset
226 }
640
237cf6339546 dbg_interactive almost complete
Sebastien Decugis <sdecugis@nict.go.jp>
parents: 638
diff changeset
227 %}
"Welcome to our mercurial repository"