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Improve OTA speed, fix status JSON buffer overflow

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Sebastien
2019-10-02 16:04:41 -04:00
parent c7ddbfbb4b
commit ee0415dabf
4 changed files with 54 additions and 107 deletions
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18
components/wifi-manager/wifi_manager.h
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@@ -40,6 +40,7 @@ extern "C" {
#include "esp_wifi.h"
#include "esp_wifi_types.h"
#include "squeezelite-ota.h"
#include "cJSON.h"
#ifndef RECOVERY_APPLICATION
#error "RECOVERY_APPLICATION not defined. Defaulting to squeezelite"
@@ -172,18 +173,7 @@ extern "C" {
*/
#define JSON_ONE_APP_SIZE 99
/**
* @brief Defines the maximum length in bytes of a JSON representation of the IP information
* assuming all ips are 4*3 digits, and all characters in the ssid require to be escaped.
* example: {"ssid":"abcdefghijklmnopqrstuvwxyz012345","ip":"192.168.1.119","netmask":"255.255.255.0","gw":"192.168.1.1","urc":0, "ota_dsc":"Installing...", "ota_pct":100}
*/
#if RECOVERY_APPLICATION
// recovery has more resources available. Let's use them to include more details about the OTA process
#define JSON_IP_INFO_SIZE 150+255
#else
// 40 chars for appname and version
#define JSON_IP_INFO_SIZE 150+40
#endif
/**
@@ -363,8 +353,8 @@ void wifi_manager_generate_ip_info_json(update_reason_code_t update_reason_code)
* @brief Clears the connection status json.
* @note This is not thread-safe and should be called only if wifi_manager_lock_json_buffer call is successful.
*/
void wifi_manager_clear_ip_info_json();
cJSON * wifi_manager_clear_ip_info_json(cJSON **old);
cJSON * wifi_manager_get_new_json(cJSON **old);
/**
* @brief Generates the list of access points after a wifi scan.
* @note This is not thread-safe and should be called only if wifi_manager_lock_json_buffer call is successful.