[04ca20e] | 1 | /* |
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[a7cce8d] | 2 | * Copyright (C) 2020-2021 Soleta Networks <info@soleta.eu> |
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[04ca20e] | 3 | * |
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| 4 | * This program is free software: you can redistribute it and/or modify it under |
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| 5 | * the terms of the GNU Affero General Public License as published by the |
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[a7cce8d] | 6 | * Free Software Foundation; either version 3 of the License, or |
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| 7 | * (at your option) any later version. |
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[04ca20e] | 8 | */ |
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| 9 | |
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| 10 | #include "json.h" |
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| 11 | #include <stdint.h> |
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| 12 | |
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| 13 | int og_json_parse_string(json_t *element, const char **str) |
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| 14 | { |
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| 15 | if (json_typeof(element) != JSON_STRING) |
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| 16 | return -1; |
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| 17 | |
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| 18 | *str = json_string_value(element); |
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| 19 | return 0; |
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| 20 | } |
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| 21 | |
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[27fbc65] | 22 | int og_json_parse_string_copy(json_t *element, char *str, size_t size) |
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| 23 | { |
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| 24 | const char *reference_str; |
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| 25 | int err = 0; |
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| 26 | |
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| 27 | err = og_json_parse_string(element, &reference_str); |
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| 28 | if (err != 0) |
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| 29 | return err; |
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| 30 | |
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| 31 | err = snprintf(str, size, "%s", reference_str); |
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| 32 | if (err >= size) |
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| 33 | return -1; |
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| 34 | return 0; |
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| 35 | } |
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| 36 | |
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[0efc182] | 37 | int og_json_parse_uint64(json_t *element, uint64_t *integer) |
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| 38 | { |
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| 39 | if (json_typeof(element) != JSON_INTEGER) |
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| 40 | return -1; |
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| 41 | |
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| 42 | *integer = json_integer_value(element); |
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| 43 | return 0; |
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| 44 | } |
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| 45 | |
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[04ca20e] | 46 | int og_json_parse_uint(json_t *element, uint32_t *integer) |
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| 47 | { |
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| 48 | if (json_typeof(element) != JSON_INTEGER) |
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| 49 | return -1; |
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| 50 | |
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| 51 | *integer = json_integer_value(element); |
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| 52 | return 0; |
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| 53 | } |
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| 54 | |
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| 55 | int og_json_parse_bool(json_t *element, bool *value) |
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| 56 | { |
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| 57 | if (json_typeof(element) == JSON_TRUE) |
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| 58 | *value = true; |
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| 59 | else if (json_typeof(element) == JSON_FALSE) |
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| 60 | *value = false; |
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| 61 | else |
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| 62 | return -1; |
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| 63 | |
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| 64 | return 0; |
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| 65 | } |
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| 66 | |
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[33b0c6f] | 67 | int og_json_parse_scope(json_t *element, struct og_scope *scope, |
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| 68 | const uint64_t required_flags) |
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| 69 | { |
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| 70 | uint64_t flags = 0UL; |
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| 71 | const char *key; |
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| 72 | json_t *value; |
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| 73 | int err = 0; |
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| 74 | |
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| 75 | json_object_foreach(element, key, value) { |
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| 76 | if (!strcmp(key, "id")) { |
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| 77 | err = og_json_parse_uint(value, &scope->id); |
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| 78 | flags |= OG_PARAM_SCOPE_ID; |
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| 79 | } else if (!strcmp(key, "type")) { |
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| 80 | err = og_json_parse_string(value, &scope->type); |
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| 81 | flags |= OG_PARAM_SCOPE_TYPE; |
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| 82 | } else { |
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| 83 | err = -1; |
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| 84 | } |
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| 85 | |
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| 86 | if (err < 0) |
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| 87 | return err; |
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| 88 | } |
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| 89 | |
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| 90 | if (flags != required_flags) |
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| 91 | return -1; |
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| 92 | |
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| 93 | return err; |
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| 94 | } |
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| 95 | |
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[04ca20e] | 96 | int og_json_parse_partition(json_t *element, struct og_partition *part, |
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| 97 | uint64_t required_flags) |
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| 98 | { |
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| 99 | uint64_t flags = 0UL; |
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| 100 | const char *key; |
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| 101 | json_t *value; |
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| 102 | int err = 0; |
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| 103 | |
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| 104 | json_object_foreach(element, key, value) { |
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| 105 | if (!strcmp(key, "partition")) { |
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| 106 | err = og_json_parse_string(value, &part->number); |
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| 107 | flags |= OG_PARAM_PART_NUMBER; |
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| 108 | } else if (!strcmp(key, "code")) { |
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| 109 | err = og_json_parse_string(value, &part->code); |
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| 110 | flags |= OG_PARAM_PART_CODE; |
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| 111 | } else if (!strcmp(key, "filesystem")) { |
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| 112 | err = og_json_parse_string(value, &part->filesystem); |
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| 113 | flags |= OG_PARAM_PART_FILESYSTEM; |
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| 114 | } else if (!strcmp(key, "size")) { |
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| 115 | err = og_json_parse_string(value, &part->size); |
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| 116 | flags |= OG_PARAM_PART_SIZE; |
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| 117 | } else if (!strcmp(key, "format")) { |
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| 118 | err = og_json_parse_string(value, &part->format); |
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| 119 | flags |= OG_PARAM_PART_FORMAT; |
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| 120 | } else if (!strcmp(key, "disk")) { |
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| 121 | err = og_json_parse_string(value, &part->disk); |
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| 122 | flags |= OG_PARAM_PART_DISK; |
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[12d8fff] | 123 | } else if (!strcmp(key, "disk_type")) { |
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| 124 | err = og_json_parse_string(value, &part->disk_type); |
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| 125 | flags |= OG_PARAM_PART_DISK_TYPE; |
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[04ca20e] | 126 | } else if (!strcmp(key, "os")) { |
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| 127 | err = og_json_parse_string(value, &part->os); |
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| 128 | flags |= OG_PARAM_PART_OS; |
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| 129 | } else if (!strcmp(key, "used_size")) { |
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| 130 | err = og_json_parse_string(value, &part->used_size); |
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| 131 | flags |= OG_PARAM_PART_USED_SIZE; |
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| 132 | } |
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| 133 | |
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| 134 | if (err < 0) |
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| 135 | return err; |
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| 136 | } |
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| 137 | |
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[10c9559] | 138 | if ((flags & required_flags) != required_flags) |
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[04ca20e] | 139 | return -1; |
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| 140 | |
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| 141 | return err; |
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| 142 | } |
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[1fdb7e6] | 143 | |
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| 144 | static int og_json_parse_procedure_cmd(json_t *element, int position, |
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| 145 | struct og_procedure *proc) |
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| 146 | { |
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| 147 | struct og_procedure_step *step; |
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| 148 | uint32_t err = 0; |
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| 149 | const char *key; |
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| 150 | json_t *value; |
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| 151 | |
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| 152 | step = &proc->steps[proc->num_steps++]; |
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| 153 | step->type = OG_STEP_COMMAND; |
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| 154 | step->position = position; |
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| 155 | |
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| 156 | json_object_foreach(element, key, value) { |
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| 157 | if (!strcmp(key, "command")) |
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| 158 | err = og_json_parse_string(value, &step->cmd.type); |
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| 159 | else if (!strcmp(key, "params")) |
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| 160 | step->cmd.json = value; |
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| 161 | else |
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| 162 | return -1; |
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| 163 | } |
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| 164 | |
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| 165 | return err; |
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| 166 | } |
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| 167 | |
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| 168 | static int og_json_parse_procedure_call(json_t *element, int position, |
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| 169 | struct og_procedure *proc) |
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| 170 | { |
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| 171 | struct og_procedure_step *step; |
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| 172 | uint32_t err = 0; |
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| 173 | const char *key; |
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| 174 | json_t *value; |
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| 175 | |
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| 176 | step = &proc->steps[proc->num_steps++]; |
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| 177 | step->type = OG_STEP_PROCEDURE; |
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| 178 | step->position = position; |
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| 179 | |
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| 180 | json_object_foreach(element, key, value) { |
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| 181 | if (!strcmp(key, "procedure")) |
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| 182 | err = og_json_parse_uint64(value, &step->procedure.id); |
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| 183 | else |
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| 184 | return -1; |
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| 185 | } |
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| 186 | |
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| 187 | return err; |
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| 188 | } |
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| 189 | |
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| 190 | int og_json_parse_procedure(json_t *element, struct og_procedure *proc) |
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| 191 | { |
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| 192 | unsigned int i; |
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| 193 | json_t *item; |
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| 194 | int err = 0; |
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| 195 | |
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| 196 | if (json_typeof(element) != JSON_ARRAY) |
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| 197 | return -1; |
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| 198 | |
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| 199 | for (i = 0; i < json_array_size(element) && i < OG_PROCEDURE_STEPS_MAX; ++i) { |
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| 200 | item = json_array_get(element, i); |
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| 201 | |
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| 202 | if (json_object_get(item, "command")) |
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| 203 | err = og_json_parse_procedure_cmd(item, i, proc); |
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| 204 | else if (json_object_get(item, "procedure")) |
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| 205 | err = og_json_parse_procedure_call(item, i, proc); |
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| 206 | else |
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| 207 | err = -1; |
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| 208 | |
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| 209 | if (err) |
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| 210 | break; |
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| 211 | } |
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| 212 | |
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| 213 | return err; |
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| 214 | } |
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