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mqtt: support binary Will Message

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see patch #10049
This commit is contained in:
Simon Goldschmidt
2023-09-29 22:08:03 +02:00
parent 2d6883c432
commit 14444c1c7f
4 changed files with 14 additions and 4 deletions
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13
src/apps/mqtt/mqtt.c
View File

@@ -1337,9 +1337,16 @@ mqtt_client_connect(mqtt_client_t *client, const ip_addr_t *ip_addr, u16_t port,
LWIP_ERROR("mqtt_client_connect: client_info->will_topic length overflow", len <= 0xFF, return ERR_VAL);
LWIP_ERROR("mqtt_client_connect: client_info->will_topic length must be > 0", len > 0, return ERR_VAL);
will_topic_len = (u8_t)len;
len = strlen(client_info->will_msg);
LWIP_ERROR("mqtt_client_connect: client_info->will_msg length overflow", len <= 0xFF, return ERR_VAL);
will_msg_len = (u8_t)len;
if (client_info->will_msg_len == 0)
{
len = strlen(client_info->will_msg);
LWIP_ERROR("mqtt_client_connect: client_info->will_msg length overflow", len <= 0xFF, return ERR_VAL);
will_msg_len = (u8_t)len;
}
else
{
will_msg_len = client_info->will_msg_len;
}
len = remaining_length + 2 + will_topic_len + 2 + will_msg_len;
LWIP_ERROR("mqtt_client_connect: remaining_length overflow", len <= 0xFFFF, return ERR_VAL);
remaining_length = (u16_t)len;

2
src/include/lwip/apps/mqtt.h
View File

@@ -79,6 +79,8 @@ struct mqtt_connect_client_info_t {
const char* will_topic;
/** will_msg, see will_topic */
const char* will_msg;
/** will_msg length, 0 to compute length from will_msg string */
u8_t will_msg_len;
/** will_qos, see will_topic */
u8_t will_qos;
/** will_retain, see will_topic */