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#ifndef PACKET_H
#define PACKET_H
#include "config.h"
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include <bstrlib/bstrlib.h>
#include "queue.h"
enum
{
MqttPacketTypeConnect = 0x1,
MqttPacketTypeConnAck = 0x2,
MqttPacketTypePublish = 0x3,
MqttPacketTypePubAck = 0x4,
MqttPacketTypePubRec = 0x5,
MqttPacketTypePubRel = 0x6,
MqttPacketTypePubComp = 0x7,
MqttPacketTypeSubscribe = 0x8,
MqttPacketTypeSubAck = 0x9,
MqttPacketTypeUnsubscribe = 0xA,
MqttPacketTypeUnsubAck = 0xB,
MqttPacketTypePingReq = 0xC,
MqttPacketTypePingResp = 0xD,
MqttPacketTypeDisconnect = 0xE
};
enum MqttPacketState
{
MqttPacketStateReadType,
MqttPacketStateReadRemainingLength,
MqttPacketStateReadPayload,
MqttPacketStateReadComplete,
MqttPacketStateWriteType,
MqttPacketStateWriteRemainingLength,
MqttPacketStateWritePayload,
MqttPacketStateWriteComplete
};
struct MqttMessage;
typedef struct MqttPacket MqttPacket;
struct MqttPacket
{
int type;
int flags;
int state;
uint16_t id;
size_t remainingLength;
size_t remainingLengthMul;
/* TODO: maybe switch to have a StringStream here? */
bstring payload;
struct MqttMessage *message;
SIMPLEQ_ENTRY(MqttPacket) sendQueue;
};
const char *MqttPacketName(int type);
MqttPacket *MqttPacketNew(int type);
MqttPacket *MqttPacketWithIdNew(int type, uint16_t id);
void MqttPacketFree(MqttPacket *packet);
#endif
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