feat(mqtt): Add esp-mqtt

Commit ID: 13018449

Add global "mqtt" to manage both "ESP-MQTT" and "IBM-MQTT". Using select the target MQTT to using like selecting SSL.

components/mqtt/esp-mqtt/lib/include/mqtt_msg.h

@@ -0,0 +1,135 @@
+#ifndef MQTT_MSG_H
+#define MQTT_MSG_H
+#include "mqtt_config.h"
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+/*
+* Copyright (c) 2014, Stephen Robinson
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+*
+* 1. Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* 2. Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in the
+* documentation and/or other materials provided with the distribution.
+* 3. Neither the name of the copyright holder nor the names of its
+* contributors may be used to endorse or promote products derived
+* from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+*
+*/
+/* 7      6     5     4     3     2     1     0 */
+/*|      --- Message Type----     |  DUP Flag |    QoS Level    | Retain  | */
+/*                    Remaining Length                 */
+
+
+enum mqtt_message_type
+{
+    MQTT_MSG_TYPE_CONNECT = 1,
+    MQTT_MSG_TYPE_CONNACK = 2,
+    MQTT_MSG_TYPE_PUBLISH = 3,
+    MQTT_MSG_TYPE_PUBACK = 4,
+    MQTT_MSG_TYPE_PUBREC = 5,
+    MQTT_MSG_TYPE_PUBREL = 6,
+    MQTT_MSG_TYPE_PUBCOMP = 7,
+    MQTT_MSG_TYPE_SUBSCRIBE = 8,
+    MQTT_MSG_TYPE_SUBACK = 9,
+    MQTT_MSG_TYPE_UNSUBSCRIBE = 10,
+    MQTT_MSG_TYPE_UNSUBACK = 11,
+    MQTT_MSG_TYPE_PINGREQ = 12,
+    MQTT_MSG_TYPE_PINGRESP = 13,
+    MQTT_MSG_TYPE_DISCONNECT = 14
+};
+
+enum mqtt_connect_return_code
+{
+    CONNECTION_ACCEPTED = 0,
+    CONNECTION_REFUSE_PROTOCOL,
+    CONNECTION_REFUSE_ID_REJECTED,
+    CONNECTION_REFUSE_SERVER_UNAVAILABLE,
+    CONNECTION_REFUSE_BAD_USERNAME,
+    CONNECTION_REFUSE_NOT_AUTHORIZED
+};
+
+typedef struct mqtt_message
+{
+    uint8_t* data;
+    uint32_t length;
+
+} mqtt_message_t;
+
+typedef struct mqtt_connection
+{
+    mqtt_message_t message;
+
+    uint16_t message_id;
+    uint8_t* buffer;
+    uint16_t buffer_length;
+
+} mqtt_connection_t;
+
+typedef struct mqtt_connect_info
+{
+    char* client_id;
+    char* username;
+    char* password;
+    char* will_topic;
+    char* will_message;
+    int keepalive;
+    int will_length;
+    int will_qos;
+    int will_retain;
+    int clean_session;
+
+} mqtt_connect_info_t;
+
+
+static inline int mqtt_get_type(uint8_t* buffer) { return (buffer[0] & 0xf0) >> 4; }
+static inline int mqtt_get_connect_session_present(uint8_t* buffer) { return buffer[2] & 0x01; }
+static inline int mqtt_get_connect_return_code(uint8_t* buffer) { return buffer[3]; }
+static inline int mqtt_get_dup(uint8_t* buffer) { return (buffer[0] & 0x08) >> 3; }
+static inline int mqtt_get_qos(uint8_t* buffer) { return (buffer[0] & 0x06) >> 1; }
+static inline int mqtt_get_retain(uint8_t* buffer) { return (buffer[0] & 0x01); }
+
+void mqtt_msg_init(mqtt_connection_t* connection, uint8_t* buffer, uint16_t buffer_length);
+uint32_t mqtt_get_total_length(uint8_t* buffer, uint16_t length);
+const char* mqtt_get_publish_topic(uint8_t* buffer, uint32_t* length);
+const char* mqtt_get_publish_data(uint8_t* buffer, uint32_t* length);
+uint16_t mqtt_get_id(uint8_t* buffer, uint16_t length);
+
+mqtt_message_t* mqtt_msg_connect(mqtt_connection_t* connection, mqtt_connect_info_t* info);
+mqtt_message_t* mqtt_msg_publish(mqtt_connection_t* connection, const char* topic, const char* data, int data_length, int qos, int retain, uint16_t* message_id);
+mqtt_message_t* mqtt_msg_puback(mqtt_connection_t* connection, uint16_t message_id);
+mqtt_message_t* mqtt_msg_pubrec(mqtt_connection_t* connection, uint16_t message_id);
+mqtt_message_t* mqtt_msg_pubrel(mqtt_connection_t* connection, uint16_t message_id);
+mqtt_message_t* mqtt_msg_pubcomp(mqtt_connection_t* connection, uint16_t message_id);
+mqtt_message_t* mqtt_msg_subscribe(mqtt_connection_t* connection, const char* topic, int qos, uint16_t* message_id);
+mqtt_message_t* mqtt_msg_unsubscribe(mqtt_connection_t* connection, const char* topic, uint16_t* message_id);
+mqtt_message_t* mqtt_msg_pingreq(mqtt_connection_t* connection);
+mqtt_message_t* mqtt_msg_pingresp(mqtt_connection_t* connection);
+mqtt_message_t* mqtt_msg_disconnect(mqtt_connection_t* connection);
+
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif  /* MQTT_MSG_H */
+