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checking data presence before parse

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This commit is contained in:
Bogdan Pilyugin 2023-09-05 15:37:35 +02:00
parent aa448f3cbe
commit dbc6c0dfaa
1 changed files with 16 additions and 2 deletions
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18
src/SysComm.c
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@ -193,7 +193,7 @@ static sys_error_code PayloadType_1_Handler(data_message_t *MSG)
static sys_error_code DataHeaderParser(data_message_t *MSG)
{
struct jReadElement result;
jRead(MSG->inputDataBuffer, "", &result);
jRead(MSG->inputDataBuffer, "{", &result);
if (result.dataType != JREAD_OBJECT)
return SYS_ERROR_WRONG_JSON_FORMAT;
MSG->parsedData.msgID = 0;
@ -283,7 +283,21 @@ static sys_error_code DataHeaderParser(data_message_t *MSG)
esp_err_t ServiceDataHandler(data_message_t *MSG)
{
MSG->err_code = (int) DataHeaderParser(MSG);
if (MSG == NULL)
{
ESP_LOGE(TAG, "MSG object is NULL");
return ESP_ERR_INVALID_ARG;
}
if (MSG->inputDataLength == 0)
{
ESP_LOGE(TAG, "Data for parser is 0 length");
if (MSG != NULL)
MSG->err_code = SYS_ERROR_UNKNOWN;
}
else
MSG->err_code = (int) DataHeaderParser(MSG);
if (MSG->err_code)
{
struct jWriteControl jwc;