88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
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// This software is supplied under the terms of the MIT License, a
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// copy of which should be located in the distribution where this
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// file was obtained (LICENSE.txt). A copy of the license may also be
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// found online at https://opensource.org/licenses/MIT.
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//
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//
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// The Struct to store mqtt_packet.
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#ifndef NNG_MQTT_PACKET_H
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#define NNG_MQTT_PACKET_H
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#include "nng/nng.h"
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#include "nng/mqtt/mqtt_client.h"
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define UPDATE_FIELD_INT(field, new_obj, old_obj) \
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do { \
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new_obj->field = old_obj->field; \
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} while (0)
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#define UPDATE_FIELD_MQTT_STRING(field, sub_field, new_obj, old_obj) \
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do { \
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if (new_obj->field.sub_field == NULL && \
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old_obj->field.sub_field != NULL) { \
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new_obj->field = old_obj->field; \
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new_obj->field.sub_field = \
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strdup((char *) old_obj->field.sub_field); \
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} \
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} while (0)
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#define UPDATE_FIELD_MQTT_STRING_PAIR( \
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field, sub_field1, sub_field2, new_obj, old_obj) \
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do { \
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if ((new_obj->field.sub_field1 == NULL && \
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old_obj->field.sub_field1 != NULL) || \
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(new_obj->field.sub_field2 == NULL && \
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old_obj->field.sub_field2 != NULL)) { \
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new_obj->field = old_obj->field; \
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new_obj->field.sub_field1 = \
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strdup((char *) old_obj->field.sub_field1); \
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new_obj->field.sub_field2 = \
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strdup((char *) old_obj->field.sub_field2); \
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} \
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} while (0)
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struct mqtt_msg_info {
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uint32_t pipe;
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};
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typedef struct mqtt_msg_info mqtt_msg_info;
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struct topic_node {
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uint8_t qos : 2;
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uint8_t no_local : 1;
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uint8_t rap : 1;
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uint8_t retain_handling : 2;
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struct {
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char *body;
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int len;
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} topic;
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uint8_t reason_code;
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struct topic_node *next;
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};
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typedef struct topic_node topic_node;
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struct packet_subscribe {
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uint16_t packet_id;
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uint32_t prop_len;
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property *properties;
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topic_node *node; // stored topic and option
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};
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typedef struct packet_subscribe packet_subscribe;
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struct packet_unsubscribe {
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uint16_t packet_id;
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uint32_t prop_len;
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property *properties;
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topic_node *node; // stored topic and option
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};
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typedef struct packet_unsubscribe packet_unsubscribe;
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#endif
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