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/*
* Copyright (C) 2020-2021 Soleta Networks <info@soleta.eu>
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License as published by the
* Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*/
#include "json.h"
#include <stdint.h>
int og_json_parse_string(const json_t *element, const char **str)
{
if (json_typeof(element) != JSON_STRING)
return -1;
*str = json_string_value(element);
return 0;
}
int og_json_parse_string_copy(const json_t *element, char *str, size_t size)
{
const char *reference_str;
int err = 0;
err = og_json_parse_string(element, &reference_str);
if (err != 0)
return err;
err = snprintf(str, size, "%s", reference_str);
if (err >= size)
return -1;
return 0;
}
int og_json_parse_uint64(const json_t *element, uint64_t *integer)
{
if (json_typeof(element) != JSON_INTEGER)
return -1;
*integer = json_integer_value(element);
return 0;
}
int og_json_parse_uint(const json_t *element, uint32_t *integer)
{
if (json_typeof(element) != JSON_INTEGER)
return -1;
*integer = json_integer_value(element);
return 0;
}
int og_json_parse_bool(const json_t *element, bool *value)
{
if (json_typeof(element) == JSON_TRUE)
*value = true;
else if (json_typeof(element) == JSON_FALSE)
*value = false;
else
return -1;
return 0;
}
int og_json_parse_scope(json_t *element, struct og_scope *scope,
const uint64_t required_flags)
{
uint64_t flags = 0UL;
const char *key;
json_t *value;
int err = 0;
json_object_foreach(element, key, value) {
if (!strcmp(key, "id")) {
err = og_json_parse_uint(value, &scope->id);
flags |= OG_PARAM_SCOPE_ID;
} else if (!strcmp(key, "type")) {
err = og_json_parse_string(value, &scope->type);
flags |= OG_PARAM_SCOPE_TYPE;
} else {
err = -1;
}
if (err < 0)
return err;
}
if (flags != required_flags)
return -1;
return err;
}
int og_json_parse_partition(json_t *element, struct og_partition *part,
uint64_t required_flags)
{
uint64_t flags = 0UL;
const char *key;
json_t *value;
int err = 0;
json_object_foreach(element, key, value) {
if (!strcmp(key, "partition")) {
err = og_json_parse_string(value, &part->number);
flags |= OG_PARAM_PART_NUMBER;
} else if (!strcmp(key, "code")) {
err = og_json_parse_string(value, &part->code);
flags |= OG_PARAM_PART_CODE;
} else if (!strcmp(key, "filesystem")) {
err = og_json_parse_string(value, &part->filesystem);
flags |= OG_PARAM_PART_FILESYSTEM;
} else if (!strcmp(key, "size")) {
err = og_json_parse_string(value, &part->size);
flags |= OG_PARAM_PART_SIZE;
} else if (!strcmp(key, "format")) {
err = og_json_parse_string(value, &part->format);
flags |= OG_PARAM_PART_FORMAT;
} else if (!strcmp(key, "disk")) {
err = og_json_parse_string(value, &part->disk);
flags |= OG_PARAM_PART_DISK;
} else if (!strcmp(key, "disk_type")) {
err = og_json_parse_string(value, &part->disk_type);
flags |= OG_PARAM_PART_DISK_TYPE;
} else if (!strcmp(key, "os")) {
err = og_json_parse_string(value, &part->os);
flags |= OG_PARAM_PART_OS;
} else if (!strcmp(key, "used_size")) {
err = og_json_parse_string(value, &part->used_size);
flags |= OG_PARAM_PART_USED_SIZE;
}
if (err < 0)
return err;
}
if ((flags & required_flags) != required_flags)
return -1;
return err;
}
static int og_json_parse_procedure_cmd(json_t *element, int position,
struct og_procedure *proc)
{
struct og_procedure_step *step;
uint32_t err = 0;
const char *key;
json_t *value;
step = &proc->steps[proc->num_steps++];
step->type = OG_STEP_COMMAND;
step->position = position;
json_object_foreach(element, key, value) {
if (!strcmp(key, "command"))
err = og_json_parse_string(value, &step->cmd.type);
else if (!strcmp(key, "params"))
step->cmd.json = value;
else
return -1;
}
return err;
}
static int og_json_parse_procedure_call(json_t *element, int position,
struct og_procedure *proc)
{
struct og_procedure_step *step;
uint32_t err = 0;
const char *key;
json_t *value;
step = &proc->steps[proc->num_steps++];
step->type = OG_STEP_PROCEDURE;
step->position = position;
json_object_foreach(element, key, value) {
if (!strcmp(key, "procedure"))
err = og_json_parse_uint64(value, &step->procedure.id);
else
return -1;
}
return err;
}
int og_json_parse_procedure(json_t *element, struct og_procedure *proc)
{
unsigned int i;
json_t *item;
int err = 0;
if (json_typeof(element) != JSON_ARRAY)
return -1;
for (i = 0; i < json_array_size(element) && i < OG_PROCEDURE_STEPS_MAX; ++i) {
item = json_array_get(element, i);
if (json_object_get(item, "command"))
err = og_json_parse_procedure_cmd(item, i, proc);
else if (json_object_get(item, "procedure"))
err = og_json_parse_procedure_call(item, i, proc);
else
err = -1;
if (err)
break;
}
return err;
}
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