44 lines
879 B
C
44 lines
879 B
C
#include "stddef.h"
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#include "dev_name.h"
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#include "storage.h"
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#include "stdio.h"
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#include "random.h"
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#include "constants.h"
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#include "string.h"
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#include "esp_log.h"
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#define DEV_PREFIX "ESP32 "
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static const char *TAG = "dev_name";
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bool dev_generate_name()
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{
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// Check if a device name has already been defined
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if (storage_get_dev_name(NULL) > 0)
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return false;
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// Generate random device name
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char name[DEV_NAME_LEN];
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rand_str(DEV_NAME_LEN - 1, name);
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storage_set_dev_name(name);
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return true;
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}
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char *dev_name()
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{
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size_t len = storage_get_dev_name(NULL);
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char *dev = malloc(len + strlen(DEV_PREFIX) + 1);
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if (dev == NULL)
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{
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ESP_LOGE(TAG, "Failed to allocate memory to store dev name!");
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return NULL;
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}
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strcpy(dev, DEV_PREFIX);
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storage_get_dev_name(dev + strlen(DEV_PREFIX));
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return dev;
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} |