espressif/esp-mqtt
1
0
Fork 1
mirror of https://github.com/espressif/esp-mqtt.git synced 2025-11-01 07:32:13 +01:00
Code Issues Packages Projects Releases Wiki Activity

Support larger buffers and messages

Browse Source 
Use `uint32_t` instead of `uint16_t` for message and buffer lengths.
This is necessary for receiving messages that are larger than 65K.
This commit is contained in:
Rohan Singh
2020-01-08 14:59:22 -05:00
parent f74fe3d887
commit ab1e8d7969
2 changed files with 15 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
lib/mqtt_msg.c
View File

@@ -28,8 +28,6 @@
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include "mqtt_msg.h"
#include "mqtt_config.h"
@@ -147,14 +145,14 @@ static mqtt_message_t *fini_message(mqtt_connection_t *connection, int type, int
return &connection->message;
}
void mqtt_msg_init(mqtt_connection_t *connection, uint8_t *buffer, uint16_t buffer_length)
void mqtt_msg_init(mqtt_connection_t *connection, uint8_t *buffer, uint32_t buffer_length)
{
memset(connection, 0, sizeof(mqtt_connection_t));
connection->buffer = buffer;
connection->buffer_length = buffer_length;
}
uint32_t mqtt_get_total_length(uint8_t *buffer, uint16_t length, int *fixed_size_len)
uint32_t mqtt_get_total_length(uint8_t *buffer, uint32_t length, int *fixed_size_len)
{
int i;
uint32_t totlen = 0;
@@ -174,7 +172,7 @@ uint32_t mqtt_get_total_length(uint8_t *buffer, uint16_t length, int *fixed_size
return totlen;
}
bool mqtt_header_complete(uint8_t *buffer, uint16_t buffer_length)
bool mqtt_header_complete(uint8_t *buffer, uint32_t buffer_length)
{
uint16_t i;
uint16_t topiclen;
@@ -282,7 +280,7 @@ char *mqtt_get_publish_data(uint8_t *buffer, uint32_t *length)
return (char *)(buffer + i);
}
uint16_t mqtt_get_id(uint8_t *buffer, uint16_t length)
uint16_t mqtt_get_id(uint8_t *buffer, uint32_t length)
{
if (length < 1) {
return 0;
@@ -560,7 +558,7 @@ mqtt_message_t *mqtt_msg_disconnect(mqtt_connection_t *connection)
* check flags: [MQTT-2.2.2-1], [MQTT-2.2.2-2]
* returns 0 if flags are invalid, otherwise returns 1
*/
int mqtt_has_valid_msg_hdr(uint8_t *buffer, uint16_t length)
int mqtt_has_valid_msg_hdr(uint8_t *buffer, uint32_t length)
{
int qos, dup;
@@ -594,4 +592,4 @@ int mqtt_has_valid_msg_hdr(uint8_t *buffer, uint16_t length)
default:
return 0;
}
}
}