ALPN Example.

#include "asf.h"
#include "main.h"
#include <string.h>
#include "driver/include/m2m_wifi.h"
#include "socket/include/socket.h"
#include "driver/include/m2m_ssl.h"

Macros
#define	STRING_EOL "\r\n"

#define	STRING_HEADER

Functions
static void	configure_console (void)
	Configure UART console. More...

int	main (void)
	Main application function. 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 int8_t	sslConnect (void)
	Creates and connects to an unsecure socket to be used for SSL. More...

static void	wifi_cb (uint8_t u8MsgType, void *pvMsg)
	Callback to get the Wi-Fi status update. More...

Variables
static bool	gbConnectedWifi = false
	Wi-Fi status variable. More...

static bool	gbHostIpByName = false
	Get host IP status variable. More...

static bool	gbSocketConnectInit = false
	Secure socket connection start variable. More...

uint32_t	gu32HostIp = 0
	IP address of host. More...

uint8_t	gu8SocketStatus = SocketInit

static char	server_host_name [] = MAIN_HOST_NAME
	Server host name. More...

static SOCKET	tcp_client_socket = -1
	TCP client socket handler. More...

#define STRING_EOL "\r\n"

#define STRING_HEADER

Value:

"-- ALPN example --"STRING_EOL \
    "-- "BOARD_NAME " --"STRING_EOL \
    "-- Compiled: "__DATE__ " "__TIME__ " --"STRING_EOL

Referenced by main().

static void configure_console ( void )

static

Configure UART console.

References uart_rs232_options::baudrate, CONF_UART, CONF_UART_BAUDRATE, CONF_UART_CHAR_LENGTH, CONF_UART_PARITY, CONF_UART_STOP_BITS, CONSOLE_UART_ID, stdio_serial_init(), and sysclk_enable_peripheral_clock().

Referenced by main().

int main ( void )

Main application function.

Application entry point.

Returns: program return value.

References board_init(), configure_console(), gbConnectedWifi, gbHostIpByName, gbSocketConnectInit, gu8SocketStatus, M2M_SUCCESS, M2M_WIFI_CH_ALL, m2m_wifi_connect(), m2m_wifi_handle_events(), m2m_wifi_init(), MAIN_WLAN_AUTH, MAIN_WLAN_PSK, MAIN_WLAN_SSID, nm_bsp_init(), NULL, tstrWifiInitParam::pfAppWifiCb, registerSocketCallback(), resolve_cb(), SOCK_ERR_NO_ERROR, socket_cb(), SocketInit, socketInit(), SocketWaiting, sslConnect(), STRING_HEADER, sysclk_init(), tcp_client_socket, and wifi_cb().

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 gbHostIpByName, gu32HostIp, and IPV4_BYTE.

Referenced by main().

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	Structure that contains notification information.

Returns: None.

References close(), get_alpn_index(), get_error_detail(), gu8SocketStatus, tstrSocketConnectMsg::s8Error, tstrSocketConnectMsg::sock, SOCK_ERR_NO_ERROR, SOCKET_MSG_CONNECT, SocketError, and tcp_client_socket.

Referenced by main().

static int8_t sslConnect ( void )

static

Creates and connects to an unsecure socket to be used for SSL.

Parameters

[in] None.

Returns: SOCK_ERR_NO_ERROR if success, -1 if socket create error, SOCK_ERR_INVALID if socket connect error.

References _htons, AF_INET, close(), connect(), gu32HostIp, MAIN_HOST_NAME, MAIN_HOST_PORT, in_addr::s_addr, set_alpn_list(), setsockopt(), sockaddr_in::sin_addr, sockaddr_in::sin_family, sockaddr_in::sin_port, SO_SSL_SNI, SOCK_ERR_INVALID, SOCK_ERR_NO_ERROR, SOCK_STREAM, socket(), SOCKET_FLAGS_SSL, SOL_SSL_SOCKET, and tcp_client_socket.

Referenced by main().

static void wifi_cb	(	uint8_t	u8MsgType,
		void *	pvMsg
	)

static

Callback to get the Wi-Fi status update.

Parameters

[in]	u8MsgType	type of Wi-Fi notification. Possible types are: M2M_WIFI_RESP_CON_STATE_CHANGED M2M_WIFI_REQ_DHCP_CONF
[in]	pvMsg	A pointer to a buffer containing the notification parameters (if any). It should be casted to the correct data type corresponding to the notification type.

References gbConnectedWifi, gbHostIpByName, gbSocketConnectInit, gethostbyname(), M2M_WIFI_CH_ALL, m2m_wifi_connect(), M2M_WIFI_CONNECTED, M2M_WIFI_DISCONNECTED, M2M_WIFI_REQ_DHCP_CONF, M2M_WIFI_RESP_CON_STATE_CHANGED, M2M_WIFI_RESP_GET_SYS_TIME, MAIN_WLAN_AUTH, MAIN_WLAN_PSK, MAIN_WLAN_SSID, server_host_name, and tstrM2mWifiStateChanged::u8CurrState.