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1 | office | 1 | /** |
2 | * @file NCDModule.c |
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3 | * @author Ambroz Bizjak <ambrop7@gmail.com> |
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4 | * |
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5 | * @section LICENSE |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without |
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8 | * modification, are permitted provided that the following conditions are met: |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * 2. Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * 3. Neither the name of the author nor the |
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15 | * names of its contributors may be used to endorse or promote products |
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16 | * derived from this software without specific prior written permission. |
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17 | * |
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18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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21 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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25 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
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29 | |||
30 | #include <stdarg.h> |
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31 | #include <string.h> |
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32 | #include <stddef.h> |
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33 | #include <inttypes.h> |
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34 | #include <limits.h> |
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35 | |||
36 | #include <misc/offset.h> |
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37 | #include <ncd/NCDModule.h> |
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38 | #include <ncd/static_strings.h> |
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39 | |||
40 | #define STATE_DEAD 0 |
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41 | #define STATE_DOWN_CLEAN 1 |
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42 | #define STATE_UP 2 |
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43 | #define STATE_DOWN_UNCLEAN 3 |
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44 | #define STATE_DYING 4 |
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45 | |||
46 | #define PROCESS_STATE_INIT 0 |
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47 | #define PROCESS_STATE_DOWN 1 |
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48 | #define PROCESS_STATE_UP 2 |
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49 | #define PROCESS_STATE_DOWN_WAITING 3 |
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50 | #define PROCESS_STATE_TERMINATING 4 |
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51 | #define PROCESS_STATE_TERMINATED 5 |
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52 | |||
53 | static int object_func_getvar (const NCDObject *obj, NCD_string_id_t name, NCDValMem *mem, NCDValRef *out_value); |
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54 | static int object_func_getobj (const NCDObject *obj, NCD_string_id_t name, NCDObject *out_object); |
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55 | static int process_args_object_func_getvar (const NCDObject *obj, NCD_string_id_t name, NCDValMem *mem, NCDValRef *out_value); |
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56 | static int process_arg_object_func_getvar (const NCDObject *obj, NCD_string_id_t name, NCDValMem *mem, NCDValRef *out_value); |
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57 | |||
58 | static void frontend_event (NCDModuleInst *n, int event) |
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59 | { |
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60 | n->params->func_event(n, event); |
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61 | } |
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62 | |||
63 | static void inst_assert_backend (NCDModuleInst *n) |
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64 | { |
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65 | ASSERT(n->state == STATE_DOWN_UNCLEAN || n->state == STATE_DOWN_CLEAN || |
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66 | n->state == STATE_UP || |
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67 | n->state == STATE_DYING) |
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68 | } |
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69 | |||
70 | static void set_process_state (NCDModuleProcess *p, int state) |
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71 | { |
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72 | #ifndef NDEBUG |
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73 | p->state = state; |
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74 | #endif |
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75 | } |
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76 | |||
77 | static NCDObject persistent_obj_retobj (NCDPersistentObj const *pobj) |
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78 | { |
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79 | NCDModuleInst *n = UPPER_OBJECT(pobj, NCDModuleInst, pobj); |
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80 | |||
81 | return NCDModuleInst_Object(n); |
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82 | } |
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83 | |||
84 | void NCDModuleInst_Init (NCDModuleInst *n, const struct NCDInterpModule *m, void *method_context, NCDValRef args, const struct NCDModuleInst_params *params) |
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85 | { |
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86 | ASSERT(m) |
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87 | ASSERT(m->module.func_new2) |
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88 | ASSERT(m->module.alloc_size >= 0) |
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89 | ASSERT(m->base_type_id >= 0) |
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90 | ASSERT(m->group) |
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91 | ASSERT(n->mem) |
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92 | ASSERT(NCDVal_IsList(args)) |
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93 | ASSERT(params) |
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94 | ASSERT(params->func_event) |
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95 | ASSERT(params->func_getobj) |
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96 | ASSERT(params->logfunc) |
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97 | ASSERT(params->iparams) |
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98 | ASSERT(params->iparams->func_initprocess) |
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99 | ASSERT(params->iparams->func_interp_exit) |
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100 | ASSERT(params->iparams->func_interp_getargs) |
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101 | ASSERT(params->iparams->func_interp_getretrytime) |
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102 | |||
103 | // init arguments |
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104 | n->m = m; |
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105 | n->params = params; |
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106 | |||
107 | // set initial state |
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108 | n->state = STATE_DOWN_CLEAN; |
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109 | |||
110 | // give NCDModuleInst to methods, not mem |
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111 | n->pass_mem_to_methods = 0; |
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112 | |||
113 | // init persistent object interface |
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114 | NCDPersistentObj_Init(&n->pobj, persistent_obj_retobj); |
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115 | |||
116 | DebugObject_Init(&n->d_obj); |
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117 | |||
118 | struct NCDModuleInst_new_params new_params; |
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119 | new_params.method_user = method_context; |
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120 | new_params.args = args; |
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121 | |||
122 | n->m->module.func_new2(n->mem, n, &new_params); |
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123 | } |
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124 | |||
125 | void NCDModuleInst_Free (NCDModuleInst *n) |
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126 | { |
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127 | DebugObject_Free(&n->d_obj); |
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128 | ASSERT(n->state == STATE_DEAD) |
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129 | |||
130 | // free persistent object interface |
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131 | NCDPersistentObj_Free(&n->pobj); |
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132 | } |
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133 | |||
134 | void NCDModuleInst_Die (NCDModuleInst *n) |
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135 | { |
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136 | DebugObject_Access(&n->d_obj); |
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137 | ASSERT(n->state == STATE_UP || n->state == STATE_DOWN_CLEAN || n->state == STATE_DOWN_UNCLEAN) |
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138 | |||
139 | n->state = STATE_DYING; |
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140 | |||
141 | if (!n->m->module.func_die) { |
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142 | NCDModuleInst_Backend_Dead(n); |
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143 | return; |
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144 | } |
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145 | |||
146 | n->m->module.func_die(n->mem); |
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147 | return; |
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148 | } |
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149 | |||
150 | int NCDModuleInst_TryFree (NCDModuleInst *n) |
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151 | { |
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152 | DebugObject_Access(&n->d_obj); |
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153 | ASSERT(n->state == STATE_UP || n->state == STATE_DOWN_CLEAN || n->state == STATE_DOWN_UNCLEAN) |
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154 | |||
155 | if (n->m->module.func_die) { |
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156 | return 0; |
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157 | } |
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158 | |||
159 | DebugObject_Free(&n->d_obj); |
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160 | |||
161 | // free persistent object interface |
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162 | NCDPersistentObj_Free(&n->pobj); |
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163 | |||
164 | return 1; |
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165 | } |
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166 | |||
167 | void NCDModuleInst_Clean (NCDModuleInst *n) |
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168 | { |
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169 | DebugObject_Access(&n->d_obj); |
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170 | ASSERT(n->state == STATE_DOWN_CLEAN || n->state == STATE_DOWN_UNCLEAN) |
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171 | |||
172 | if (n->state == STATE_DOWN_UNCLEAN) { |
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173 | n->state = STATE_DOWN_CLEAN; |
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174 | |||
175 | if (n->m->module.func_clean) { |
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176 | n->m->module.func_clean(n->mem); |
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177 | return; |
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178 | } |
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179 | } |
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180 | } |
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181 | |||
182 | NCDObject NCDModuleInst_Object (NCDModuleInst *n) |
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183 | { |
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184 | DebugObject_Access(&n->d_obj); |
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185 | ASSERT(n->m->base_type_id >= 0) |
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186 | |||
187 | void *method_user = (n->pass_mem_to_methods ? n->mem : n); |
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188 | |||
189 | return NCDObject_BuildFull(n->m->base_type_id, n, 0, method_user, object_func_getvar, object_func_getobj, &n->pobj); |
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190 | } |
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191 | |||
192 | void NCDModuleInst_Backend_PassMemToMethods (NCDModuleInst *n) |
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193 | { |
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194 | DebugObject_Access(&n->d_obj); |
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195 | ASSERT(n->state == STATE_DOWN_UNCLEAN || n->state == STATE_DOWN_CLEAN || |
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196 | n->state == STATE_UP || |
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197 | n->state == STATE_DYING) |
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198 | |||
199 | n->pass_mem_to_methods = 1; |
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200 | } |
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201 | |||
202 | static int can_resolve (NCDModuleInst *n) |
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203 | { |
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204 | switch (n->state) { |
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205 | case STATE_UP: |
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206 | return 1; |
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207 | case STATE_DOWN_CLEAN: |
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208 | case STATE_DOWN_UNCLEAN: |
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209 | return !!(n->m->module.flags & NCDMODULE_FLAG_CAN_RESOLVE_WHEN_DOWN); |
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210 | default: |
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211 | return 0; |
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212 | } |
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213 | } |
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214 | |||
215 | static int object_func_getvar (const NCDObject *obj, NCD_string_id_t name, NCDValMem *mem, NCDValRef *out_value) |
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216 | { |
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217 | NCDModuleInst *n = NCDObject_DataPtr(obj); |
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218 | DebugObject_Access(&n->d_obj); |
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219 | |||
220 | if ((!n->m->module.func_getvar && !n->m->module.func_getvar2) || !can_resolve(n)) { |
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221 | return 0; |
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222 | } |
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223 | |||
224 | int res; |
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225 | if (n->m->module.func_getvar2) { |
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226 | res = n->m->module.func_getvar2(n->mem, name, mem, out_value); |
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227 | } else { |
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228 | if (NCDStringIndex_HasNulls(n->params->iparams->string_index, name)) { |
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229 | return 0; |
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230 | } |
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231 | const char *name_str = NCDStringIndex_Value(n->params->iparams->string_index, name).ptr; |
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232 | res = n->m->module.func_getvar(n->mem, name_str, mem, out_value); |
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233 | } |
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234 | ASSERT(res == 0 || res == 1) |
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235 | ASSERT(res == 0 || (NCDVal_Assert(*out_value), 1)) |
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236 | |||
237 | return res; |
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238 | } |
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239 | |||
240 | static int object_func_getobj (const NCDObject *obj, NCD_string_id_t name, NCDObject *out_object) |
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241 | { |
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242 | NCDModuleInst *n = NCDObject_DataPtr(obj); |
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243 | DebugObject_Access(&n->d_obj); |
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244 | |||
245 | if (!n->m->module.func_getobj || !can_resolve(n)) { |
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246 | return 0; |
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247 | } |
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248 | |||
249 | int res = n->m->module.func_getobj(n->mem, name, out_object); |
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250 | ASSERT(res == 0 || res == 1) |
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251 | |||
252 | return res; |
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253 | } |
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254 | |||
255 | void * NCDModuleInst_Backend_GetUser (NCDModuleInst *n) |
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256 | { |
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257 | DebugObject_Access(&n->d_obj); |
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258 | ASSERT(n->state == STATE_DOWN_UNCLEAN || n->state == STATE_DOWN_CLEAN || |
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259 | n->state == STATE_UP || |
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260 | n->state == STATE_DYING) |
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261 | |||
262 | return n->mem; |
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263 | } |
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264 | |||
265 | void NCDModuleInst_Backend_Up (NCDModuleInst *n) |
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266 | { |
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267 | DebugObject_Access(&n->d_obj); |
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268 | ASSERT(n->state == STATE_DOWN_CLEAN || n->state == STATE_DOWN_UNCLEAN) |
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269 | |||
270 | n->state = STATE_UP; |
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271 | frontend_event(n, NCDMODULE_EVENT_UP); |
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272 | } |
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273 | |||
274 | void NCDModuleInst_Backend_Down (NCDModuleInst *n) |
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275 | { |
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276 | DebugObject_Access(&n->d_obj); |
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277 | ASSERT(n->state == STATE_UP) |
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278 | |||
279 | n->state = STATE_DOWN_UNCLEAN; |
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280 | frontend_event(n, NCDMODULE_EVENT_DOWN); |
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281 | } |
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282 | |||
283 | void NCDModuleInst_Backend_DownUp (NCDModuleInst *n) |
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284 | { |
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285 | DebugObject_Access(&n->d_obj); |
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286 | ASSERT(n->state == STATE_UP) |
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287 | |||
288 | frontend_event(n, NCDMODULE_EVENT_DOWNUP); |
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289 | } |
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290 | |||
291 | void NCDModuleInst_Backend_Dead (NCDModuleInst *n) |
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292 | { |
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293 | DebugObject_Access(&n->d_obj); |
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294 | ASSERT(n->state == STATE_DOWN_CLEAN || n->state == STATE_DOWN_UNCLEAN || |
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295 | n->state == STATE_UP || n->state == STATE_DYING) |
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296 | |||
297 | n->state = STATE_DEAD; |
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298 | |||
299 | frontend_event(n, NCDMODULE_EVENT_DEAD); |
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300 | return; |
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301 | } |
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302 | |||
303 | void NCDModuleInst_Backend_DeadError (NCDModuleInst *n) |
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304 | { |
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305 | DebugObject_Access(&n->d_obj); |
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306 | ASSERT(n->state == STATE_DOWN_CLEAN || n->state == STATE_DOWN_UNCLEAN || |
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307 | n->state == STATE_UP || n->state == STATE_DYING) |
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308 | |||
309 | n->state = STATE_DEAD; |
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310 | |||
311 | frontend_event(n, NCDMODULE_EVENT_DEADERROR); |
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312 | return; |
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313 | } |
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314 | |||
315 | int NCDModuleInst_Backend_GetObj (NCDModuleInst *n, NCD_string_id_t name, NCDObject *out_object) |
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316 | { |
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317 | DebugObject_Access(&n->d_obj); |
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318 | ASSERT(n->state == STATE_DOWN_UNCLEAN || n->state == STATE_DOWN_CLEAN || |
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319 | n->state == STATE_UP || |
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320 | n->state == STATE_DYING) |
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321 | ASSERT(out_object) |
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322 | |||
323 | int res = n->params->func_getobj(n, name, out_object); |
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324 | ASSERT(res == 0 || res == 1) |
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325 | |||
326 | return res; |
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327 | } |
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328 | |||
329 | void NCDModuleInst_Backend_Log (NCDModuleInst *n, int channel, int level, const char *fmt, ...) |
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330 | { |
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331 | DebugObject_Access(&n->d_obj); |
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332 | |||
333 | va_list vl; |
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334 | va_start(vl, fmt); |
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335 | BLog_LogViaFuncVarArg(n->params->logfunc, n, channel, level, fmt, vl); |
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336 | va_end(vl); |
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337 | } |
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338 | |||
339 | void NCDModuleInst_Backend_LogVarArg (NCDModuleInst *n, int channel, int level, const char *fmt, va_list vl) |
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340 | { |
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341 | DebugObject_Access(&n->d_obj); |
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342 | |||
343 | BLog_LogViaFuncVarArg(n->params->logfunc, n, channel, level, fmt, vl); |
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344 | } |
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345 | |||
346 | BLogContext NCDModuleInst_Backend_LogContext (NCDModuleInst *n) |
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347 | { |
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348 | DebugObject_Access(&n->d_obj); |
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349 | |||
350 | return BLog_MakeContext(n->params->logfunc, n); |
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351 | } |
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352 | |||
353 | void NCDModuleInst_Backend_InterpExit (NCDModuleInst *n, int exit_code) |
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354 | { |
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355 | DebugObject_Access(&n->d_obj); |
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356 | inst_assert_backend(n); |
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357 | |||
358 | n->params->iparams->func_interp_exit(n->params->iparams->user, exit_code); |
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359 | } |
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360 | |||
361 | int NCDModuleInst_Backend_InterpGetArgs (NCDModuleInst *n, NCDValMem *mem, NCDValRef *out_value) |
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362 | { |
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363 | DebugObject_Access(&n->d_obj); |
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364 | inst_assert_backend(n); |
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365 | ASSERT(mem) |
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366 | ASSERT(out_value) |
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367 | |||
368 | int res = n->params->iparams->func_interp_getargs(n->params->iparams->user, mem, out_value); |
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369 | ASSERT(res == 0 || res == 1) |
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370 | ASSERT(res == 0 || (NCDVal_Assert(*out_value), 1)) |
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371 | |||
372 | return res; |
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373 | } |
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374 | |||
375 | btime_t NCDModuleInst_Backend_InterpGetRetryTime (NCDModuleInst *n) |
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376 | { |
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377 | DebugObject_Access(&n->d_obj); |
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378 | inst_assert_backend(n); |
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379 | |||
380 | return n->params->iparams->func_interp_getretrytime(n->params->iparams->user); |
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381 | } |
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382 | |||
383 | int NCDModuleInst_Backend_InterpLoadGroup (NCDModuleInst *n, const struct NCDModuleGroup *group) |
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384 | { |
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385 | DebugObject_Access(&n->d_obj); |
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386 | inst_assert_backend(n); |
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387 | ASSERT(group) |
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388 | |||
389 | return n->params->iparams->func_loadgroup(n->params->iparams->user, group); |
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390 | } |
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391 | |||
392 | void NCDModuleRef_Init (NCDModuleRef *o, NCDModuleInst *inst) |
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393 | { |
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394 | ASSERT(!inst->pass_mem_to_methods) |
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395 | |||
396 | NCDObject obj = NCDModuleInst_Object(inst); |
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397 | NCDObjRef_Init(&o->objref, NCDObject_Pobj(&obj)); |
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398 | |||
399 | DebugObject_Init(&o->d_obj); |
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400 | } |
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401 | |||
402 | void NCDModuleRef_Free (NCDModuleRef *o) |
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403 | { |
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404 | DebugObject_Free(&o->d_obj); |
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405 | |||
406 | NCDObjRef_Free(&o->objref); |
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407 | } |
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408 | |||
409 | NCDModuleInst * NCDModuleRef_Deref (NCDModuleRef *o) |
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410 | { |
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411 | DebugObject_Access(&o->d_obj); |
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412 | |||
413 | NCDModuleInst *res = NULL; |
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414 | NCDObject obj; |
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415 | if (NCDObjRef_Deref(&o->objref, &obj)) { |
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416 | res = NCDObject_MethodUser(&obj); |
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417 | } |
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418 | return res; |
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419 | } |
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420 | |||
421 | int NCDModuleProcess_InitId (NCDModuleProcess *o, NCDModuleInst *n, NCD_string_id_t template_name, NCDValRef args, NCDModuleProcess_handler_event handler_event) |
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422 | { |
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423 | DebugObject_Access(&n->d_obj); |
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424 | ASSERT(n->state == STATE_DOWN_UNCLEAN || n->state == STATE_DOWN_CLEAN || |
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425 | n->state == STATE_UP || |
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426 | n->state == STATE_DYING) |
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427 | ASSERT(template_name >= 0) |
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428 | ASSERT(NCDVal_IsInvalid(args) || NCDVal_IsList(args)) |
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429 | ASSERT(handler_event) |
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430 | |||
431 | // init arguments |
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432 | o->args = args; |
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433 | o->handler_event = handler_event; |
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434 | |||
435 | // set no special functions |
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436 | o->func_getspecialobj = NULL; |
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437 | |||
438 | // set state |
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439 | set_process_state(o, PROCESS_STATE_INIT); |
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440 | |||
441 | #ifndef NDEBUG |
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442 | // clear interp functions so we can assert they were set |
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443 | o->interp_func_event = NULL; |
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444 | o->interp_func_getobj = NULL; |
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445 | #endif |
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446 | |||
447 | // init interpreter part |
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448 | if (!(n->params->iparams->func_initprocess(n->params->iparams->user, o, template_name))) { |
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449 | goto fail1; |
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450 | } |
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451 | |||
452 | ASSERT(o->interp_func_event) |
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453 | ASSERT(o->interp_func_getobj) |
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454 | |||
455 | // set state |
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456 | set_process_state(o, PROCESS_STATE_DOWN); |
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457 | |||
458 | DebugObject_Init(&o->d_obj); |
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459 | return 1; |
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460 | |||
461 | fail1: |
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462 | return 0; |
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463 | } |
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464 | |||
465 | int NCDModuleProcess_InitValue (NCDModuleProcess *o, NCDModuleInst *n, NCDValRef template_name, NCDValRef args, NCDModuleProcess_handler_event handler_event) |
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466 | { |
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467 | DebugObject_Access(&n->d_obj); |
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468 | ASSERT(n->state == STATE_DOWN_UNCLEAN || n->state == STATE_DOWN_CLEAN || |
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469 | n->state == STATE_UP || |
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470 | n->state == STATE_DYING) |
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471 | ASSERT(NCDVal_IsString(template_name)) |
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472 | ASSERT(NCDVal_IsInvalid(args) || NCDVal_IsList(args)) |
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473 | ASSERT(handler_event) |
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474 | |||
475 | NCD_string_id_t template_name_id; |
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476 | |||
477 | if (NCDVal_IsIdString(template_name)) { |
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478 | template_name_id = NCDVal_IdStringId(template_name); |
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479 | } else { |
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480 | template_name_id = NCDStringIndex_GetBinMr(n->params->iparams->string_index, NCDVal_StringMemRef(template_name)); |
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481 | if (template_name_id < 0) { |
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482 | BLog(BLOG_ERROR, "NCDStringIndex_GetBin failed"); |
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483 | return 0; |
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484 | } |
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485 | } |
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486 | |||
487 | return NCDModuleProcess_InitId(o, n, template_name_id, args, handler_event); |
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488 | } |
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489 | |||
490 | void NCDModuleProcess_Free (NCDModuleProcess *o) |
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491 | { |
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492 | DebugObject_Free(&o->d_obj); |
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493 | ASSERT(o->state == PROCESS_STATE_TERMINATED) |
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494 | } |
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495 | |||
496 | void NCDModuleProcess_AssertFree (NCDModuleProcess *o) |
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497 | { |
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498 | DebugObject_Access(&o->d_obj); |
||
499 | ASSERT(o->state == PROCESS_STATE_TERMINATED) |
||
500 | } |
||
501 | |||
502 | void NCDModuleProcess_SetSpecialFuncs (NCDModuleProcess *o, NCDModuleProcess_func_getspecialobj func_getspecialobj) |
||
503 | { |
||
504 | DebugObject_Access(&o->d_obj); |
||
505 | |||
506 | o->func_getspecialobj = func_getspecialobj; |
||
507 | } |
||
508 | |||
509 | void NCDModuleProcess_Continue (NCDModuleProcess *o) |
||
510 | { |
||
511 | DebugObject_Access(&o->d_obj); |
||
512 | ASSERT(o->state == PROCESS_STATE_DOWN_WAITING) |
||
513 | |||
514 | set_process_state(o, PROCESS_STATE_DOWN); |
||
515 | |||
516 | o->interp_func_event(o->interp_user, NCDMODULEPROCESS_INTERP_EVENT_CONTINUE); |
||
517 | } |
||
518 | |||
519 | void NCDModuleProcess_Terminate (NCDModuleProcess *o) |
||
520 | { |
||
521 | DebugObject_Access(&o->d_obj); |
||
522 | ASSERT(o->state == PROCESS_STATE_DOWN || o->state == PROCESS_STATE_UP || |
||
523 | o->state == PROCESS_STATE_DOWN_WAITING) |
||
524 | |||
525 | set_process_state(o, PROCESS_STATE_TERMINATING); |
||
526 | |||
527 | o->interp_func_event(o->interp_user, NCDMODULEPROCESS_INTERP_EVENT_TERMINATE); |
||
528 | } |
||
529 | |||
530 | int NCDModuleProcess_GetObj (NCDModuleProcess *o, NCD_string_id_t name, NCDObject *out_object) |
||
531 | { |
||
532 | DebugObject_Access(&o->d_obj); |
||
533 | ASSERT(o->state != PROCESS_STATE_INIT) |
||
534 | ASSERT(o->state != PROCESS_STATE_TERMINATED) |
||
535 | ASSERT(out_object) |
||
536 | |||
537 | int res = o->interp_func_getobj(o->interp_user, name, out_object); |
||
538 | ASSERT(res == 0 || res == 1) |
||
539 | |||
540 | return res; |
||
541 | } |
||
542 | |||
543 | static void process_assert_interp (NCDModuleProcess *o) |
||
544 | { |
||
545 | // assert that the interpreter knows about the object, and we're not in init |
||
546 | ASSERT(o->state == PROCESS_STATE_DOWN || o->state == PROCESS_STATE_UP || |
||
547 | o->state == PROCESS_STATE_DOWN_WAITING || o->state == PROCESS_STATE_TERMINATING) |
||
548 | } |
||
549 | |||
550 | void NCDModuleProcess_Interp_SetHandlers (NCDModuleProcess *o, void *interp_user, |
||
551 | NCDModuleProcess_interp_func_event interp_func_event, |
||
552 | NCDModuleProcess_interp_func_getobj interp_func_getobj) |
||
553 | { |
||
554 | ASSERT(o->state == PROCESS_STATE_INIT) |
||
555 | ASSERT(interp_func_event) |
||
556 | ASSERT(interp_func_getobj) |
||
557 | |||
558 | o->interp_user = interp_user; |
||
559 | o->interp_func_event = interp_func_event; |
||
560 | o->interp_func_getobj = interp_func_getobj; |
||
561 | } |
||
562 | |||
563 | void NCDModuleProcess_Interp_Up (NCDModuleProcess *o) |
||
564 | { |
||
565 | DebugObject_Access(&o->d_obj); |
||
566 | process_assert_interp(o); |
||
567 | ASSERT(o->state == PROCESS_STATE_DOWN) |
||
568 | |||
569 | set_process_state(o, PROCESS_STATE_UP); |
||
570 | |||
571 | o->handler_event(o, NCDMODULEPROCESS_EVENT_UP); |
||
572 | return; |
||
573 | } |
||
574 | |||
575 | void NCDModuleProcess_Interp_Down (NCDModuleProcess *o) |
||
576 | { |
||
577 | DebugObject_Access(&o->d_obj); |
||
578 | process_assert_interp(o); |
||
579 | ASSERT(o->state == PROCESS_STATE_UP) |
||
580 | |||
581 | set_process_state(o, PROCESS_STATE_DOWN_WAITING); |
||
582 | |||
583 | o->handler_event(o, NCDMODULEPROCESS_EVENT_DOWN); |
||
584 | return; |
||
585 | } |
||
586 | |||
587 | void NCDModuleProcess_Interp_Terminated (NCDModuleProcess *o) |
||
588 | { |
||
589 | DebugObject_Access(&o->d_obj); |
||
590 | process_assert_interp(o); |
||
591 | ASSERT(o->state == PROCESS_STATE_TERMINATING) |
||
592 | |||
593 | set_process_state(o, PROCESS_STATE_TERMINATED); |
||
594 | |||
595 | o->handler_event(o, NCDMODULEPROCESS_EVENT_TERMINATED); |
||
596 | return; |
||
597 | } |
||
598 | |||
599 | int NCDModuleProcess_Interp_GetSpecialObj (NCDModuleProcess *o, NCD_string_id_t name, NCDObject *out_object) |
||
600 | { |
||
601 | DebugObject_Access(&o->d_obj); |
||
602 | process_assert_interp(o); |
||
603 | ASSERT(out_object) |
||
604 | |||
605 | if (!NCDVal_IsInvalid(o->args)) { |
||
606 | if (name == NCD_STRING_ARGS) { |
||
607 | *out_object = NCDObject_Build(-1, o, process_args_object_func_getvar, NCDObject_no_getobj); |
||
608 | return 1; |
||
609 | } |
||
610 | |||
611 | if (name >= NCD_STRING_ARG0 && name <= NCD_STRING_ARG19) { |
||
612 | int num = name - NCD_STRING_ARG0; |
||
613 | if (num < NCDVal_ListCount(o->args)) { |
||
614 | *out_object = NCDObject_BuildFull(-1, o, num, NULL, process_arg_object_func_getvar, NCDObject_no_getobj, NULL); |
||
615 | return 1; |
||
616 | } |
||
617 | } |
||
618 | } |
||
619 | |||
620 | if (!o->func_getspecialobj) { |
||
621 | return 0; |
||
622 | } |
||
623 | |||
624 | int res = o->func_getspecialobj(o, name, out_object); |
||
625 | ASSERT(res == 0 || res == 1) |
||
626 | |||
627 | return res; |
||
628 | } |
||
629 | |||
630 | int NCDCall_DoIt ( |
||
631 | struct NCDCall_interp_shared const *interp_shared, void *interp_user, |
||
632 | struct NCDInterpFunction const *interp_function, |
||
633 | size_t arg_count, NCDValMem *res_mem, NCDValRef *res_out |
||
634 | ) |
||
635 | { |
||
636 | NCDValRef res = NCDVal_NewInvalid(); |
||
637 | |||
638 | NCDCall call; |
||
639 | call.interp_shared = interp_shared; |
||
640 | call.interp_user = interp_user; |
||
641 | call.interp_function = interp_function; |
||
642 | call.arg_count = arg_count; |
||
643 | call.res_mem = res_mem; |
||
644 | call.out_ref = &res; |
||
645 | |||
646 | interp_function->function.func_eval(call); |
||
647 | |||
648 | if (NCDVal_IsInvalid(res)) { |
||
649 | return 0; |
||
650 | } |
||
651 | |||
652 | *res_out = res; |
||
653 | return 1; |
||
654 | } |
||
655 | |||
656 | struct NCDInterpFunction const * NCDCall_InterpFunction (NCDCall const *o) |
||
657 | { |
||
658 | return o->interp_function; |
||
659 | } |
||
660 | |||
661 | struct NCDModuleInst_iparams const * NCDCall_Iparams (NCDCall const *o) |
||
662 | { |
||
663 | return o->interp_shared->iparams; |
||
664 | } |
||
665 | |||
666 | size_t NCDCall_ArgCount (NCDCall const *o) |
||
667 | { |
||
668 | return o->arg_count; |
||
669 | } |
||
670 | |||
671 | NCDValRef NCDCall_EvalArg (NCDCall const *o, size_t index, NCDValMem *mem) |
||
672 | { |
||
673 | ASSERT(index < o->arg_count) |
||
674 | ASSERT(mem) |
||
675 | |||
676 | NCDValRef res; |
||
677 | |||
678 | int eval_res = o->interp_shared->func_eval_arg(o->interp_user, index, mem, &res); |
||
679 | |||
680 | ASSERT(eval_res == 0 || eval_res == 1) |
||
681 | ASSERT(eval_res == 0 || (NCDVal_Assert(res), 1)) |
||
682 | |||
683 | if (!eval_res) { |
||
684 | res = NCDVal_NewInvalid(); |
||
685 | } |
||
686 | |||
687 | return res; |
||
688 | } |
||
689 | |||
690 | NCDValMem * NCDCall_ResMem (NCDCall const *o) |
||
691 | { |
||
692 | return o->res_mem; |
||
693 | } |
||
694 | |||
695 | void NCDCall_SetResult (NCDCall const *o, NCDValRef ref) |
||
696 | { |
||
697 | *o->out_ref = ref; |
||
698 | } |
||
699 | |||
700 | BLogContext NCDCall_LogContext (NCDCall const *o) |
||
701 | { |
||
702 | return BLog_MakeContext(o->interp_shared->logfunc, o->interp_user); |
||
703 | } |
||
704 | |||
705 | static int process_args_object_func_getvar (const NCDObject *obj, NCD_string_id_t name, NCDValMem *mem, NCDValRef *out_value) |
||
706 | { |
||
707 | NCDModuleProcess *o = NCDObject_DataPtr(obj); |
||
708 | DebugObject_Access(&o->d_obj); |
||
709 | process_assert_interp(o); |
||
710 | ASSERT(!NCDVal_IsInvalid(o->args)) |
||
711 | |||
712 | if (name != NCD_STRING_EMPTY) { |
||
713 | return 0; |
||
714 | } |
||
715 | |||
716 | *out_value = NCDVal_NewCopy(mem, o->args); |
||
717 | if (NCDVal_IsInvalid(*out_value)) { |
||
718 | BLog_LogToChannel(BLOG_CHANNEL_NCDModuleProcess, BLOG_ERROR, "NCDVal_NewCopy failed"); |
||
719 | } |
||
720 | return 1; |
||
721 | } |
||
722 | |||
723 | static int process_arg_object_func_getvar (const NCDObject *obj, NCD_string_id_t name, NCDValMem *mem, NCDValRef *out_value) |
||
724 | { |
||
725 | NCDModuleProcess *o = NCDObject_DataPtr(obj); |
||
726 | DebugObject_Access(&o->d_obj); |
||
727 | process_assert_interp(o); |
||
728 | ASSERT(!NCDVal_IsInvalid(o->args)) |
||
729 | |||
730 | if (name != NCD_STRING_EMPTY) { |
||
731 | return 0; |
||
732 | } |
||
733 | |||
734 | *out_value = NCDVal_NewCopy(mem, NCDVal_ListGet(o->args, NCDObject_DataInt(obj))); |
||
735 | if (NCDVal_IsInvalid(*out_value)) { |
||
736 | BLog_LogToChannel(BLOG_CHANNEL_NCDModuleProcess, BLOG_ERROR, "NCDVal_NewCopy failed"); |
||
737 | } |
||
738 | return 1; |
||
739 | } |