network_winc3400tls_wrapper.c File Reference

winc3400 TLS wrapper.

#include <stdbool.h>
#include <string.h>
#include "AWS_SDK/aws_iot_src/utils/aws_iot_error.h"
#include "AWS_SDK/aws_iot_src/utils/aws_iot_log.h"
#include "AWS_SDK/aws_iot_src/protocol/mqtt/aws_iot_embedded_client_wrapper/network_interface.h"
#include "driver/include/m2m_wifi.h"
#include "driver/source/nmasic.h"
#include "socket/include/socket.h"

Macros
#define	DNS_REQUEST   25
#define	IPV4_BYTE(val, index)   ((val >> (index * 8)) & 0xFF)
	Using IP address. More...

Functions
int	iot_tls_connect (Network *pNetwork, TLSConnectParams params)
	TLS connection functionality. More...
int	iot_tls_destroy (Network *pNetwork)
	TLS interface de-init function. More...
void	iot_tls_disconnect (Network *pNetwork)
	TLS disconnect function. More...
int	iot_tls_init (Network *pNetwork)
	Intialization of network interface for TLS function. More...
int	iot_tls_is_connected (Network *pNetwork)
	TLS connection status call. More...
int	iot_tls_read (Network *pNetwork, unsigned char *pMsg, int len, int timeout_ms)
	Read bytes from the network socket. More...
int	iot_tls_write (Network *pNetwork, unsigned char *pMsg, int len, int timeout_ms)
	TLS write functionality. More...
static void	resolve_cb (uint8_t *hostName, uint32_t hostIp)
	Callback function of IP address. More...
static void	socket_cb (SOCKET sock, uint8_t u8Msg, void *pvMsg)
	Callback function of TCP client socket. More...
static void	wait_for_event (uint8_t msg)
	Event handling function for WIFI. More...

Variables
static uint8_t *	buf_ptr = &gau8SocketTestBuffer
static int8_t	err = 0
static uint8_t	gau8SocketTestBuffer [1460]
static bool	gbHostIpByName = false
	Get host IP status variable. More...
uint32_t	gu32HostIp = 0
	IP address of host. More...
volatile uint32_t	ms_ticks
	TLS read functionality. More...
uint32_t	received_bytes = 0
uint32_t	sent_bytes = 0
static int8_t	state = -1

#define DNS_REQUEST   25

Referenced by iot_tls_connect(), and resolve_cb().

#define IPV4_BYTE	(		val,
			index
	)		((val >> (index * 8)) & 0xFF)

Using IP address.

Referenced by resolve_cb().

int iot_tls_connect	(	Network *	pNetwork,
		TLSConnectParams	params
	)

TLS connection functionality.

Create a TLS socket and open the connection.

Parameters

[in]	pNetwork	Network interface.
[in]	params	connection parameters for TLS.

Returns

Status.

Referenced by iot_tls_init().

int iot_tls_destroy

(

Network *

pNetwork

)

TLS interface de-init function.

Perform any tear-down or cleanup of TLS layer.

Parameters

[in]

pNetwork

Network interface.

Returns

Status.

Referenced by iot_tls_init().

void iot_tls_disconnect

(

Network *

pNetwork

)

TLS disconnect function.

Disconnect from network socket.

Parameters

[in]

pNetwork

Network interface.

Returns

None.

Referenced by iot_tls_init().

int iot_tls_init

(

Network *

pNetwork

)

Intialization of network interface for TLS function.

Initialize the TLS implementation.

Parameters

[in]

pNetwork

Network interface.

Returns

Error status.

Referenced by aws_iot_mqtt_connect().

int iot_tls_is_connected

(

Network *

pNetwork

)

TLS connection status call.

Check if TLS layer is still connected.

Parameters

[in]

pNetwork

Network interface.

Returns

Status.

Referenced by iot_tls_init().

int iot_tls_read	(	Network *	,
		unsigned char *	,
		int	,
		int
	)

Read bytes from the network socket.

Parameters

Network	- Pointer to a Network struct defining the network interface.
unsigned	char pointer - pointer to buffer where read bytes should be copied
integer	- number of bytes to read
integer	- read timeout value in milliseconds

Returns

integer - number of bytes read or TLS error

Referenced by iot_tls_init().

int iot_tls_write	(	Network *	pNetwork,
		unsigned char *	pMsg,
		int	len,
		int	timeout_ms
	)

TLS write functionality.

Write bytes to the network socket.

Parameters

[in]	pNetwork	Network interface.
[in]	pMsg	data to write
[in]	len	length of data.
[in]	timeout_ms	timeout for write function.

Returns

Status.

Referenced by iot_tls_init().

static void resolve_cb ( uint8_t *  hostName, uint32_t  hostIp  )

static

Callback function of IP address.

Parameters

[in]	hostName	Domain name.
[in]	hostIp	Server IP.

Returns

None.

References DNS_REQUEST, gbHostIpByName, gu32HostIp, IPV4_BYTE, printf, and state.

Referenced by iot_tls_init().

static void socket_cb ( SOCKET  sock, uint8_t  u8Msg, void *  pvMsg  )

static

Callback function of TCP client socket.

Parameters

[in]	sock	socket handler.
[in]	u8Msg	Type of Socket notification
[in]	pvMsg	A structure contains notification informations.

Returns

None.

References err, get_alpn_index(), printf, received_bytes, tstrSocketRecvMsg::s16BufferSize, tstrSocketConnectMsg::s8Error, sent_bytes, tstrSocketConnectMsg::sock, SOCK_ERR_NO_ERROR, SOCKET_MSG_CONNECT, SOCKET_MSG_RECV, SOCKET_MSG_SEND, and state.

Referenced by iot_tls_init().

static void wait_for_event ( uint8_t  msg )

static

Event handling function for WIFI.

Parameters

[in]

pvMsg

A structure contains notification informations.

Returns

None.

References m2m_wifi_handle_events(), NULL, and state.

Referenced by iot_tls_connect(), iot_tls_read(), and iot_tls_write().

uint8_t* buf_ptr = &gau8SocketTestBuffer

static

Referenced by handle_gts_data_req(), iot_tls_read(), mac_process_tal_data_ind(), mac_tx_gts_data(), main_vendor_iso_out_received(), process_deallocate_data_q(), and process_incoming_frame().

int8_t err = 0

static

Referenced by ethernetif_init(), http_send_data(), iot_tls_connect(), iot_tls_read(), iot_tls_write(), main(), mem_malloc(), memp_init(), pbuf_coalesce(), run_sd_mmc_init_test(), socket_cb(), and sys_msleep().

uint8_t gau8SocketTestBuffer[1460]

static

Referenced by iot_tls_read().

bool gbHostIpByName = false

static

Get host IP status variable.

Referenced by resolve_cb().

uint32_t gu32HostIp = 0

IP address of host.

volatile uint32_t ms_ticks

TLS read functionality.

Parameters

[in]	pNetwork	Network interface.
[in]	pMsg	store the data read
[in]	len	length of data.
[in]	timeout_ms	timeout for write function.

Returns

Status.

TLS read functionality.

SysTick counter for non busy wait delay.

uint32_t received_bytes = 0

Referenced by iot_tls_read(), and socket_cb().

uint32_t sent_bytes = 0

Referenced by iot_tls_write(), and socket_cb().

int8_t state = -1

static