static void net_ping(const char *host)
{
SlPingStartCommand_t pingParams = {0};
SlPingReport_t pingReport = {0};
unsigned long ulIpAddr = 0;
CLR_STATUS_BIT(g_ulStatus, STATUS_BIT_PING_DONE);
// Set the ping parameters
pingParams.PingIntervalTime = 1000;
pingParams.PingSize = 20;
pingParams.PingRequestTimeout = 3000;
pingParams.TotalNumberOfAttempts = 3;
pingParams.Flags = 0;
pingParams.Ip = g_ulGatewayIP;
UART_PRINT("ping host: %s\r\n", host);
sl_NetAppDnsGetHostByName((signed char*)host, strlen(host), &ulIpAddr, SL_AF_INET);
UART_PRINT("host ip: 0x%08X\r\n", host);
pingParams.Ip = ulIpAddr;
sl_NetAppPingStart((SlPingStartCommand_t*)&pingParams, SL_AF_INET, (SlPingReport_t*)&pingReport, SimpleLinkPingReport);
while (!IS_PING_DONE(g_ulStatus))
_SlNonOsMainLoopTask();
}
int ConnectNetwork(Network* n, char* addr, int port)
{
SlSockAddrIn_t sAddr;
int addrSize;
int retVal;
unsigned long ipAddress;
sl_NetAppDnsGetHostByName(addr, strlen(addr), &ipAddress, AF_INET);
sAddr.sin_family = AF_INET;
sAddr.sin_port = sl_Htons((unsigned short)port);
sAddr.sin_addr.s_addr = sl_Htonl(ipAddress);
addrSize = sizeof(SlSockAddrIn_t);
n->my_socket = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
if( n->my_socket < 0 ) {
// error
return -1;
}
retVal = sl_Connect(n->my_socket, ( SlSockAddr_t *)&sAddr, addrSize);
if( retVal < 0 ) {
// error
sl_Close(n->my_socket);
return retVal;
}
SysTickIntRegister(SysTickIntHandler);
SysTickPeriodSet(80000);
SysTickEnable();
return retVal;
}
int NetworkConnectTLS(Network *n, char* addr, int port, SlSockSecureFiles_t* certificates, unsigned char sec_method, unsigned int cipher, char server_verify)
{
SlSockAddrIn_t sAddr;
int addrSize;
int retVal;
unsigned long ipAddress;
retVal = sl_NetAppDnsGetHostByName(addr, strlen(addr), &ipAddress, AF_INET);
if (retVal < 0) {
return -1;
}
sAddr.sin_family = AF_INET;
sAddr.sin_port = sl_Htons((unsigned short)port);
sAddr.sin_addr.s_addr = sl_Htonl(ipAddress);
addrSize = sizeof(SlSockAddrIn_t);
n->my_socket = sl_Socket(SL_AF_INET, SL_SOCK_STREAM, SL_SEC_SOCKET);
if (n->my_socket < 0) {
return -1;
}
SlSockSecureMethod method;
method.secureMethod = sec_method;
retVal = sl_SetSockOpt(n->my_socket, SL_SOL_SOCKET, SL_SO_SECMETHOD, &method, sizeof(method));
if (retVal < 0) {
return retVal;
}
SlSockSecureMask mask;
mask.secureMask = cipher;
retVal = sl_SetSockOpt(n->my_socket, SL_SOL_SOCKET, SL_SO_SECURE_MASK, &mask, sizeof(mask));
if (retVal < 0) {
return retVal;
}
if (certificates != NULL) {
retVal = sl_SetSockOpt(n->my_socket, SL_SOL_SOCKET, SL_SO_SECURE_FILES, certificates->secureFiles, sizeof(SlSockSecureFiles_t));
if (retVal < 0)
{
return retVal;
}
}
retVal = sl_Connect(n->my_socket, (SlSockAddr_t *)&sAddr, addrSize);
if (retVal < 0) {
if (server_verify || retVal != -453) {
sl_Close(n->my_socket);
return retVal;
}
}
SysTickIntRegister(SysTickIntHandler);
SysTickPeriodSet(80000);
SysTickEnable();
return retVal;
}
//*****************************************************************************
//
//! getHostIP
//!
//! \brief This function obtains the server IP address using a DNS lookup
//!
//! \param[in] pcHostName The server hostname
//! \param[out] pDestinationIP This parameter is filled with host IP address.
//!
//! \return On success, +ve value is returned. On error, -ve value is returned
//!
//
//*****************************************************************************
long getHostIP(char* pcHostName, unsigned long * pDestinationIP)
{
long lStatus = 0;
lStatus = sl_NetAppDnsGetHostByName((signed char *) pcHostName,
strlen(pcHostName),
pDestinationIP, SL_AF_INET);
return lStatus;
}
STATIC int wlan_gethostbyname(const char *name, mp_uint_t len, uint8_t *out_ip, uint8_t family) {
uint32_t ip;
int result = sl_NetAppDnsGetHostByName((_i8 *)name, (_u16)len, (_u32*)&ip, (_u8)family);
out_ip[0] = ip;
out_ip[1] = ip >> 8;
out_ip[2] = ip >> 16;
out_ip[3] = ip >> 24;
return result;
}
/*!
\brief This function obtains the server IP address
\param[in] none
\return zero for success and -1 for error
\warning
*/
static int32_t GetHostIP(void){
int32_t status = -1;
status = sl_NetAppDnsGetHostByName(appData.HostName,
strlen(appData.HostName),
&appData.DestinationIP, SL_AF_INET);
if (status < 0){
LCD_OutString("Unable to reach Host\n");
return status;
}
return SUCCESS;
}
//*****************************************************************************
//! \brief This function checks the internet connection by pinging
//! the external-host (HOST_NAME)
//!
//! \param None
//!
//! \return 0 on success, negative error-code on error
//!
//*****************************************************************************
static long CheckInternetConnection()
{
SlPingStartCommand_t pingParams = {0};
SlPingReport_t pingReport = {0};
unsigned long ulIpAddr = 0;
long lRetVal = -1;
CLR_STATUS_BIT(g_ulStatus, STATUS_BIT_PING_DONE);
g_ulPingPacketsRecv = 0;
// Set the ping parameters
pingParams.PingIntervalTime = PING_INTERVAL;
pingParams.PingSize = PING_PKT_SIZE;
pingParams.PingRequestTimeout = PING_TIMEOUT;
pingParams.TotalNumberOfAttempts = NO_OF_ATTEMPTS;
pingParams.Flags = 0;
pingParams.Ip = g_ulGatewayIP;
// Get external host IP address
lRetVal = sl_NetAppDnsGetHostByName((signed char*)HOST_NAME, sizeof(HOST_NAME),
&ulIpAddr, SL_AF_INET);
ASSERT_ON_ERROR(lRetVal);
// Replace the ping address to match HOST_NAME's IP address
pingParams.Ip = ulIpAddr;
// Try to ping HOST_NAME
lRetVal = sl_NetAppPingStart((SlPingStartCommand_t*)&pingParams, SL_AF_INET,
(SlPingReport_t*)&pingReport, SimpleLinkPingReport);
ASSERT_ON_ERROR(lRetVal);
// Wait
while(!IS_PING_DONE(g_ulStatus))
{
// Wait for Ping Event
#ifndef SL_PLATFORM_MULTI_THREADED
_SlNonOsMainLoopTask();
#endif
}
if (0 == g_ulPingPacketsRecv)
{
// Problem with internet connection
ASSERT_ON_ERROR(INTERNET_CONNECTION_FAILED);
}
// Internet connection is successful
return SUCCESS;
}
struct hostent *gethostbyname(const char *name) {
static _u32 ip;
static struct hostent he;
int err = sl_NetAppDnsGetHostByName((_i8 *) name, strlen(name), &ip, AF_INET);
if (err != 0) return NULL;
ip = htonl(ip);
he.h_name = (char *) &ip;
he.h_aliases = NULL;
he.h_addrtype = AF_INET;
he.h_length = 1;
he.h_addr_list = &he.h_name;
return &he;
}
/*
* ::gethostbyname()
*/
struct hostent *gethostbyname(const char *name)
{
static struct hostent he;
static struct in_addr ia;
static struct in_addr *ia_list[2];
static char *alias_list[1];
unsigned long ip;
int result = sl_NetAppDnsGetHostByName((int8_t*)name, strlen(name), &ip,
SL_AF_INET);
if (result < 0)
{
switch (result)
{
default:
h_errno = NO_RECOVERY;
break;
case SL_NET_APP_DNS_MALFORMED_PACKET:
case SL_NET_APP_DNS_MISMATCHED_RESPONSE:
case SL_POOL_IS_EMPTY:
h_errno = TRY_AGAIN;
break;
case SL_NET_APP_DNS_QUERY_NO_RESPONSE:
case SL_NET_APP_DNS_NO_SERVER:
case SL_NET_APP_DNS_QUERY_FAILED:
h_errno = HOST_NOT_FOUND;
break;
}
return NULL;
}
alias_list[0] = NULL;
ia.s_addr = ip;
ia_list[0] = &ia;
ia_list[1] = NULL;
he.h_name = (char*)name;
he.h_aliases = alias_list;
he.h_addrtype = AF_INET;
he.h_length = 4;
he.h_addr_list = (char**)ia_list;
return &he;
}
//*****************************************************************************
//
//! Network_IF_GetHostIP
//!
//! \brief This function obtains the server IP address using a DNS lookup
//!
//! \param[in] pcHostName The server hostname
//! \param[out] pDestinationIP This parameter is filled with host IP address.
//!
//! \return On success, +ve value is returned. On error, -ve value is returned
//!
//
//*****************************************************************************
long Network_IF_GetHostIP( char* pcHostName,unsigned long * pDestinationIP )
{
long lStatus = 0;
lStatus = sl_NetAppDnsGetHostByName((signed char *) pcHostName,
strlen(pcHostName),
pDestinationIP, SL_AF_INET);
ASSERT_ON_ERROR(lStatus);
UART_PRINT("Get Host IP succeeded.\n\rHost: %s IP: %d.%d.%d.%d \n\r\n\r",
pcHostName, SL_IPV4_BYTE(*pDestinationIP,3),
SL_IPV4_BYTE(*pDestinationIP,2),
SL_IPV4_BYTE(*pDestinationIP,1),
SL_IPV4_BYTE(*pDestinationIP,0));
return lStatus;
}
char* HTTP_Request(const char *hostName, uint16_t port, const char *method, const char *request, char *requestData1, char *requestData2) {
SlSockAddrIn_t Addr; int32_t retVal; uint32_t ASize = 0;
cleanup();
strcpy(HostName, hostName);
UARTprintf("\r\n\r\nUsing host: %s\r\n", HostName);
retVal = sl_NetAppDnsGetHostByName(HostName, strlen(HostName),&DestinationIP, SL_AF_INET);
if(retVal == 0){
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons(port);
Addr.sin_addr.s_addr = sl_Htonl(DestinationIP);// IP to big endian
ASize = sizeof(SlSockAddrIn_t);
SockID = -1;
SockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
if( SockID >= 0 ){
retVal = sl_Connect(SockID, ( SlSockAddr_t *)&Addr, ASize);
}
if((SockID >= 0)&&(retVal >= 0)){
uint32_t copyIndex = 0;
strcpy(&SendBuff[copyIndex], method); copyIndex += strlen(method);
strcpy(&SendBuff[copyIndex], " "); copyIndex += 1;
strcpy(&SendBuff[copyIndex], request); copyIndex += strlen(request);
if(requestData1) {
strcpy(&SendBuff[copyIndex], requestData1);
copyIndex += strlen(requestData1);
}
if(requestData2) {
strcpy(&SendBuff[copyIndex], requestData2);
copyIndex += strlen(requestData2);
}
strcpy(&SendBuff[copyIndex], REQ_1); copyIndex += strlen(REQ_1);
strcpy(&SendBuff[copyIndex], hostName); copyIndex += strlen(hostName);
strcpy(&SendBuff[copyIndex], REQ_2); copyIndex += strlen(REQ_2);
SendBuff[copyIndex] = '\0';
UARTprintf("Sending request: %s\r\n\r\n", SendBuff);
sl_Send(SockID, SendBuff, strlen(SendBuff), 0);// Send the HTTP GET
sl_Recv(SockID, Recvbuff, MAX_RECV_BUFF_SIZE, 0);// Receive response
sl_Close(SockID);
return Recvbuff;
}
}
return NULL;
}
/*!
\brief This function checks the internet connection by pinging
the external-host (HOST_NAME)
\param[in] None
\return 0 on success, negative error-code on error
*/
static _i32 checkInternetConnection()
{
SlPingStartCommand_t pingParams = {0};
SlPingReport_t pingReport = {0};
_u32 ipAddr = 0;
_i32 retVal = -1;
CLR_STATUS_BIT(g_Status, STATUS_BIT_PING_DONE);
g_PingPacketsRecv = 0;
/* Set the ping parameters */
pingParams.PingIntervalTime = PING_INTERVAL;
pingParams.PingSize = PING_PKT_SIZE;
pingParams.PingRequestTimeout = PING_TIMEOUT;
pingParams.TotalNumberOfAttempts = NO_OF_ATTEMPTS;
pingParams.Flags = 0;
pingParams.Ip = g_GatewayIP;
/* Check for Internet connection */
retVal = sl_NetAppDnsGetHostByName((_i8 *)HOST_NAME, pal_Strlen(HOST_NAME), &ipAddr, SL_AF_INET);
ASSERT_ON_ERROR(retVal);
/* Replace the ping address to match HOST_NAME's IP address */
pingParams.Ip = ipAddr;
/* Try to ping HOST_NAME */
retVal = sl_NetAppPingStart( (SlPingStartCommand_t*)&pingParams, SL_AF_INET,
(SlPingReport_t*)&pingReport, SimpleLinkPingReport);
ASSERT_ON_ERROR(retVal);
/* Wait */
while(!IS_PING_DONE(g_Status)) { _SlNonOsMainLoopTask(); }
if (0 == g_PingPacketsRecv)
{
/* Problem with internet connection*/
ASSERT_ON_ERROR(INTERNET_CONNECTION_FAILED);
}
/* Internet connection is successful */
return SUCCESS;
}
//--tested, working--//
int WiFiClass::hostByName(char* aHostname, IPAddress& aResult)
{
if (!_initialized) {
init();
}
//
//Use the netapp api to resolve an IP for the requested hostname
//
unsigned long DestinationIP;
int iRet = sl_NetAppDnsGetHostByName(aHostname, strlen(aHostname), &DestinationIP, SL_AF_INET);
aResult = sl_Htonl(DestinationIP);
if (iRet >= 0) {
return 1;
} else {
return iRet;
}
}
unsigned long GetServerIP(/*const char *hostName*/) {
char *hostName = HOST_NAME;
unsigned long destinationServerIP = 0;
unsigned int retry = 0;
int retVal = 0;
do {
retry++;
retVal = sl_NetAppDnsGetHostByName(hostName, strlen(hostName), &destinationServerIP, SL_AF_INET);
if (0 > retVal) {
UART_PRINT("Getting IP for Host Name failed\r\n");
}
if (retry > (DNS_RETRY - 1)) {
UART_PRINT("Couldn't get the IP of the host, Exiting application\r\n");
return 0;
}
} while (retry < DNS_RETRY && 0 > retVal);
return destinationServerIP;
}
//*****************************************************************************
//
//! Network_IF_GetHostIP
//!
//! \brief This function obtains the server IP address using a DNS lookup
//!
//! \param The server hostname
//!
//! \return IP address: Success or 0: Failure.
//!
//
//*****************************************************************************
unsigned long Network_IF_GetHostIP( char* pcHostName )
{
int iStatus = 0;
unsigned long ulDestinationIP;
iStatus = sl_NetAppDnsGetHostByName(
pcHostName, strlen(pcHostName),
&ulDestinationIP, SL_AF_INET);
if (iStatus == 0)
{
UART_PRINT("Get Host IP succeeded.\n\rHost: %s IP: %d.%d.%d.%d \n\r\n\r",
pcHostName, SL_IPV4_BYTE(ulDestinationIP,3),
SL_IPV4_BYTE(ulDestinationIP,2),
SL_IPV4_BYTE(ulDestinationIP,1),
SL_IPV4_BYTE(ulDestinationIP,0));
return ulDestinationIP;
}
else
{
return 0;
}
}
ext_tcp_utils_function_return_state_t ext_tcp_utils_getaddrbyhost(kaa_dns_resolve_listener_t *resolve_listener
, const kaa_dns_resolve_info_t *resolve_props
, kaa_sockaddr_t *result
, kaa_socklen_t *result_size)
{
(void)resolve_listener;
KAA_RETURN_IF_NIL4(resolve_props, resolve_props->hostname, result, result_size, RET_STATE_VALUE_ERROR);
if (*result_size < sizeof(struct sockaddr_in))
return RET_STATE_BUFFER_NOT_ENOUGH;
unsigned long out_ip = 0;
int ai_family;
int resolve_error = 0;
struct sockaddr_in tmp_addr;
ai_family = AF_INET;
*result_size = sizeof(struct sockaddr_in);
char hostname_str[resolve_props->hostname_length + 1];
memcpy(hostname_str, resolve_props->hostname, resolve_props->hostname_length);
hostname_str[resolve_props->hostname_length] = '\0';
if (strcmp(hostname_str, "localhost"))
resolve_error = sl_NetAppDnsGetHostByName((signed char*)hostname_str, resolve_props->hostname_length, &out_ip, ai_family);
else
out_ip = 0x7F000001;
memset(&tmp_addr, 0, *result_size);
tmp_addr.sin_family = ai_family;
tmp_addr.sin_addr.s_addr = sl_Htonl((unsigned int)out_ip);
tmp_addr.sin_port = sl_Htons((unsigned short)resolve_props->port);
if (resolve_error || !out_ip)
return RET_STATE_VALUE_ERROR;
memcpy(result, (struct sockaddr*)&tmp_addr, *result_size);
return RET_STATE_VALUE_READY;
}
//*****************************************************************************
//
//! This function demonstrates how certificate can be used with SSL.
//! The procedure includes the following steps:
//! 1) connect to an open AP
//! 2) get the server name via a DNS request
//! 3) define all socket options and point to the CA certificate
//! 4) connect to the server via TCP
//!
//! \param None
//!
//! \return 0 on success else error code
//! \return LED1 is turned solid in case of success
//! LED2 is turned solid in case of failure
//!
//*****************************************************************************
static long ssl()
{
SlSockAddrIn_t Addr;
int iAddrSize;
unsigned char ucMethod = SL_SO_SEC_METHOD_SSLV3;
unsigned int uiIP,uiCipher = SL_SEC_MASK_SSL_RSA_WITH_RC4_128_SHA;
long lRetVal = -1;
int iSockID;
GPIO_IF_LedConfigure(LED1|LED3);
GPIO_IF_LedOff(MCU_RED_LED_GPIO);
GPIO_IF_LedOff(MCU_GREEN_LED_GPIO);
lRetVal = InitializeAppVariables();
ASSERT_ON_ERROR(lRetVal);
//
// Following function configure the device to default state by cleaning
// the persistent settings stored in NVMEM (viz. connection profiles &
// policies, power policy etc)
//
// Applications may choose to skip this step if the developer is sure
// that the device is in its default state at start of applicaton
//
// Note that all profiles and persistent settings that were done on the
// device will be lost
//
lRetVal = ConfigureSimpleLinkToDefaultState();
if(lRetVal < 0)
{
if (DEVICE_NOT_IN_STATION_MODE == lRetVal)
UART_PRINT("Failed to configure the device in its default state \n\r");
return lRetVal;
}
UART_PRINT("Device is configured in default state \n\r");
CLR_STATUS_BIT_ALL(g_ulStatus);
///
// Assumption is that the device is configured in station mode already
// and it is in its default state
//
lRetVal = sl_Start(0, 0, 0);
if (lRetVal < 0 || ROLE_STA != lRetVal)
{
UART_PRINT("Failed to start the device \n\r");
return lRetVal;
}
UART_PRINT("Device started as STATION \n\r");
//
//Connecting to WLAN AP
//
lRetVal = WlanConnect();
if(lRetVal < 0)
{
UART_PRINT("Failed to establish connection w/ an AP \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
UART_PRINT("Connection established w/ AP and IP is aquired \n\r");
//Set time of the device for certificate verification.
lRetVal = set_time();
if(lRetVal < 0)
{
UART_PRINT("Unable to set time in the device");
return lRetVal;
}
lRetVal = sl_NetAppDnsGetHostByName(g_Host, strlen((const char *)g_Host),
(unsigned long*)&uiIP, SL_AF_INET);
if(lRetVal < 0)
{
UART_PRINT("Device couldn't retrive the host name \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons(GOOGLE_DST_PORT);
Addr.sin_addr.s_addr = sl_Htonl(uiIP);
iAddrSize = sizeof(SlSockAddrIn_t);
//
// opens a secure socket
//
iSockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, SL_SEC_SOCKET);
if( iSockID < 0 )
{
UART_PRINT("Device unable to create secure socket \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
// configure the socket as SSLV3.0
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, SL_SO_SECMETHOD, &ucMethod,\
sizeof(ucMethod));
if(lRetVal < 0)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
//configure the socket as RSA with RC4 128 SHA
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, SL_SO_SECURE_MASK, &uiCipher,\
sizeof(uiCipher));
if(lRetVal < 0)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
//configure the socket with GOOGLE CA certificate - for server verification
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, \
SL_SO_SECURE_FILES_CA_FILE_NAME, \
SL_SSL_CA_CERT_FILE_NAME, \
strlen(SL_SSL_CA_CERT_FILE_NAME));
if(lRetVal < 0)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, \
SO_SECURE_DOMAIN_NAME_VERIFICATION, \
g_Host, strlen((const char *)g_Host));
if( lRetVal < 0 )
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
/* connect to the peer device - Google server */
lRetVal = sl_Connect(iSockID, ( SlSockAddr_t *)&Addr, iAddrSize);
if(lRetVal < 0)
{
UART_PRINT("Device couldn't connect to Google server \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
GPIO_IF_LedOff(MCU_RED_LED_GPIO);
GPIO_IF_LedOn(MCU_GREEN_LED_GPIO);
return SUCCESS;
}
//*****************************************************************************
//
//! Function to connect to server and download the requested file
//!
//! \param none
//!
//! \return Error-code or SUCCESS
//!
//*****************************************************************************
static long ServerFileDownload()
{
long lRetVal = -1;
struct sockaddr_in addr;
HTTPCli_Struct cli;
//
// Following function configure the device to default state by cleaning
// the persistent settings stored in NVMEM (viz. connection profiles &
// policies, power policy etc)
//
// Applications may choose to skip this step if the developer is sure
// that the device is in its desired state at start of applicaton
//
// Note that all profiles and persistent settings that were done on the
// device will be lost
//
lRetVal = ConfigureSimpleLinkToDefaultState();
if(lRetVal < 0)
{
if (DEVICE_NOT_IN_STATION_MODE == lRetVal)
{
UART_PRINT("Failed to configure the device in its default state, "
"Error-code: %d\n\r", DEVICE_NOT_IN_STATION_MODE);
}
LOOP_FOREVER();
}
UART_PRINT("Device is configured in default state \n\r");
//
// Assumption is that the device is configured in station mode already
// and it is in its default state
//
lRetVal = sl_Start(0, 0, 0);
if (lRetVal < 0 || ROLE_STA != lRetVal)
{
ASSERT_ON_ERROR(DEVICE_START_FAILED);
}
UART_PRINT("Device started as STATION \n\r");
// Connecting to WLAN AP - Set with static parameters defined at the top
// After this call we will be connected and have IP address
lRetVal = WlanConnect();
UART_PRINT("Connected to the AP: %s\r\n", SSID_NAME);
lRetVal = sl_NetAppDnsGetHostByName((signed char *)HOST_NAME,
strlen((const char *)HOST_NAME),
&g_ulDestinationIP,SL_AF_INET);
if(lRetVal < 0)
{
ASSERT_ON_ERROR(GET_HOST_IP_FAILED);
}
// Set up the input parameters for HTTP Connection
addr.sin_family = AF_INET;
addr.sin_port = htons(HOST_PORT);
addr.sin_addr.s_addr = sl_Htonl(g_ulDestinationIP);
// Testing HTTPCli open call: handle, address params only
HTTPCli_construct(&cli);
lRetVal = HTTPCli_connect(&cli, (struct sockaddr *)&addr, 0, NULL);
if (lRetVal < 0)
{
UART_PRINT("Connection to server failed\n\r");
ASSERT_ON_ERROR(SERVER_CONNECTION_FAILED);
}
else
{
UART_PRINT("Connection to server created successfully\r\n");
}
// Download the file, verify the file and replace the exiting file
lRetVal = GetData(&cli);
if(lRetVal < 0)
{
UART_PRINT("Device couldn't download the file from the server\n\r");
}
HTTPCli_destruct(&cli);
return SUCCESS;
}
//*****************************************************************************
//
//! This function POST to Event Hub REST API using TLS
//!
//! \param None
//!
//! \return 0 on success else error code
//! \return Error number on Failure
//
//*****************************************************************************
long PostEventHubSSL()
{
SlSockAddrIn_t Addr;
int iAddrSize;
unsigned char ucMethod = SL_SO_SEC_METHOD_TLSV1; //SL_SO_SEC_METHOD_SSLv3_TLSV1_2; //SL_SO_SEC_METHOD_TLSV1_2; //SL_SO_SEC_METHOD_SSLV3;
unsigned int uiIP;
unsigned int uiCipher = SL_SEC_MASK_SSL_RSA_WITH_RC4_128_SHA;
long lRetVal = -1;
int iSSLSockID;
char acSendBuff[512];
char acRecvbuff[1460];
//char* pcBufData;
char* pcBufHeaders;
//
// Retrieve IP from Hostname
//
lRetVal = sl_NetAppDnsGetHostByName(g_Host, strlen((const char *)g_Host), (unsigned long*)&uiIP, SL_AF_INET);
if(lRetVal < 0)
{
CLI_Write("Could not retrive the IP Address for Azure Server.\n\r");
//GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons(SSL_DST_PORT);
Addr.sin_addr.s_addr = sl_Htonl(uiIP);
iAddrSize = sizeof(SlSockAddrIn_t);
//
// Opens a secure socket
//
iSSLSockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, SL_SEC_SOCKET);
if( iSSLSockID < 0 )
{
CLI_Write("Unable to create secure socket.\n\r");
//GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
// Configure the socket as TLS (SSLV3.0 does not work because of POODLE - http://en.wikipedia.org/wiki/POODLE)
//
lRetVal = sl_SetSockOpt(iSSLSockID, SL_SOL_SOCKET, SL_SO_SECMETHOD, &ucMethod, sizeof(ucMethod));
if(lRetVal < 0)
{
CLI_Write("Couldn't set socket option (TLS).\n\r");
sl_Close(iSSLSockID);
//GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
// Configure the socket as RSA with RC4 128 SHA
//
lRetVal = sl_SetSockOpt(iSSLSockID, SL_SOL_SOCKET, SL_SO_SECURE_MASK, &uiCipher, sizeof(uiCipher));
if(lRetVal < 0)
{
CLI_Write("Couldn't set socket option (RSA).\n\r");
sl_Close(iSSLSockID);
return lRetVal;
}
//
// Configure the socket with Azure CA certificate - for server verification
//
lRetVal = sl_SetSockOpt(iSSLSockID, SL_SOL_SOCKET, SL_SO_SECURE_FILES_CA_FILE_NAME, SL_SSL_CA_CERT_FILE_NAME, strlen(SL_SSL_CA_CERT_FILE_NAME));
if(lRetVal < 0)
{
CLI_Write("Couldn't set socket option (CA Certificate).\n\r");
sl_Close(iSSLSockID);
return lRetVal;
}
//
// Configure the recieve timeout
//
struct SlTimeval_t timeVal;
timeVal.tv_sec = SERVER_RESPONSE_TIMEOUT; // In Seconds
timeVal.tv_usec = 0; // Microseconds. 10000 microseconds resolution
lRetVal = sl_SetSockOpt(iSSLSockID, SL_SOL_SOCKET, SL_SO_RCVTIMEO, (unsigned char*)&timeVal, sizeof(timeVal));
if(lRetVal < 0)
{
CLI_Write("Couldn't set socket option (Receive Timeout).\n\r");
sl_Close(iSSLSockID);
return lRetVal;
}
//
// Connect to the peer device - Azure server */
//
lRetVal = sl_Connect(iSSLSockID, ( SlSockAddr_t *)&Addr, iAddrSize);
if(lRetVal < 0)
{
CLI_Write("Couldn't connect to Azure server.\n\r");
sl_Close(iSSLSockID);
//GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
// Generate a random number for the temperture
//
srand((unsigned int)time(NULL));
float a = 5.0;
float fRandTemp = 25 - (((float)rand()/(float)(RAND_MAX)) * a);
char cTempChar[5];
sprintf(cTempChar, "%.2f", fRandTemp);
//
// Creates the HTTP POST string.
//
int dataLength = strlen(DATA1) + 5 + strlen(DATA2);
char cCLLength[4];
pcBufHeaders = acSendBuff;
strcpy(pcBufHeaders, POSTHEADER);
pcBufHeaders += strlen(POSTHEADER);
strcpy(pcBufHeaders, HOSTHEADER);
pcBufHeaders += strlen(HOSTHEADER);
strcpy(pcBufHeaders, AUTHHEADER);
pcBufHeaders += strlen(AUTHHEADER);
strcpy(pcBufHeaders, CHEADER);
pcBufHeaders += strlen(CHEADER);
strcpy(pcBufHeaders, CTHEADER);
pcBufHeaders += strlen(CTHEADER);
strcpy(pcBufHeaders, CLHEADER1);
pcBufHeaders += strlen(CLHEADER1);
sprintf(cCLLength, "%d", dataLength);
strcpy(pcBufHeaders, cCLLength);
pcBufHeaders += strlen(cCLLength);
strcpy(pcBufHeaders, CLHEADER2);
pcBufHeaders += strlen(CLHEADER2);
strcpy(pcBufHeaders, DATA1);
pcBufHeaders += strlen(DATA1);
strcpy(pcBufHeaders , cTempChar);
pcBufHeaders += strlen(cTempChar);
strcpy(pcBufHeaders, DATA2);
int testDataLength = strlen(pcBufHeaders);
//
// Send the packet to the server */
//
lRetVal = sl_Send(iSSLSockID, acSendBuff, strlen(acSendBuff), 0);
if(lRetVal < 0)
{
CLI_Write("POST failed.\n\r");
sl_Close(iSSLSockID);
return lRetVal;
}
//
// Receive response packet from the server */
//
lRetVal = sl_Recv(iSSLSockID, &acRecvbuff[0], sizeof(acRecvbuff), 0);
if(lRetVal < 0)
{
CLI_Write("Received failed.\n\r");
sl_Close(iSSLSockID);
return lRetVal;
}
else
{
CLI_Write("HTTP POST Successful. Telemetry successfully logged\n\r");
}
sl_Close(iSSLSockID);
return SUCCESS;
}
int main(void){int32_t retVal; SlSecParams_t secParams;
char *pConfig = NULL; INT32 ASize = 0; SlSockAddrIn_t Addr;
ADC0_InitSWTriggerSeq3_Ch9(); // allow time to finish activating
initClk(); // PLL 50 MHz
Output_On();
UART_Init(); // Send data to PC, 115200 bps
Timer1_Init();
LED_Init(); // initialize LaunchPad I/O
UARTprintf("Weather App\n");
retVal = configureSimpleLinkToDefaultState(pConfig); // set policies
if(retVal < 0)Crash(4000000);
retVal = sl_Start(0, pConfig, 0);
if((retVal < 0) || (ROLE_STA != retVal) ) Crash(8000000);
secParams.Key = PASSKEY;
secParams.KeyLen = strlen(PASSKEY);
secParams.Type = SEC_TYPE; // OPEN, WPA, or WEP
sl_WlanConnect(SSID_NAME, strlen(SSID_NAME), 0, &secParams, 0);
while((0 == (g_Status&CONNECTED)) || (0 == (g_Status&IP_AQUIRED))){
_SlNonOsMainLoopTask();
}
UARTprintf("Connected\n");
while(1){
int i = 0;
while(i < 10){
int sendc = 0;
strcpy(HostName,"openweathermap.org");
retVal = sl_NetAppDnsGetHostByName(HostName,
strlen(HostName),&DestinationIP, SL_AF_INET);
if(retVal == 0){
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons(80);
Addr.sin_addr.s_addr = sl_Htonl(DestinationIP);// IP to big endian
ASize = sizeof(SlSockAddrIn_t);
SockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
if( SockID >= 0 ){
retVal = sl_Connect(SockID, ( SlSockAddr_t *)&Addr, ASize);
}
if((SockID >= 0)&&(retVal >= 0)){
strcpy(SendBuff,REQUEST);
sl_Send(SockID, SendBuff, strlen(SendBuff), 0);// Send the HTTP GET
sl_Recv(SockID, Recvbuff, MAX_RECV_BUFF_SIZE, 0);// Receive response
sl_Close(SockID);
LED_GreenOn();
UARTprintf("\r\n\r\n");
UARTprintf(Recvbuff); UARTprintf("\r\n");
}
}
ST7735_OutUDec(sendc);
ST7735_OutString("\n");
i++;
}
//while(Board_Input()==0){}; // wait for touch
LED_GreenOff();
//Temp Part e
getTemp(Recvbuff);
ST7735_OutChar('T');
ST7735_OutChar('e');
ST7735_OutChar('m');
ST7735_OutChar('p');
ST7735_OutChar(' ');
ST7735_OutChar('=');
ST7735_OutChar(' ');
for(int i = 0; i < 5; i++){
ST7735_OutChar(myArray[i]);
}
ST7735_OutChar('\n');
//ADC Part f
ADC0_SAC_R = ADC_SAC_AVG_64X; //enable 64 times average before obtaining result
int voltage = ADC0_InSeq3();
ST7735_OutString("Voltage~");
ST7735_sDecOut3(voltage);
char* voltageString;
char voltageStringNum[5];
sprintf(voltageStringNum, "%.1d.%.3d", voltage/1000, voltage%1000);
//ST7735_OutString(voltageStringNum);
char* sendString;
char str1[173] = "GET /query?city=Austin%20Texas&id=Ty%20Winkler%20Jeremiah%20Bartlett&greet=Voltage%3D";
strcat(str1, voltageStringNum);
strcat(str1, "V&edxcode=8086 HTTP/1.1\r\nUser-Agent: Keil\r\nHost: embsysmooc.appspot.com\r\n\r\n");
strcpy(HostName,"embsysmooc.appspot.com");
retVal = sl_NetAppDnsGetHostByName(HostName,
strlen(HostName),&DestinationIP, SL_AF_INET);
if(retVal == 0){
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons(80);
Addr.sin_addr.s_addr = sl_Htonl(DestinationIP);// IP to big endian
ASize = sizeof(SlSockAddrIn_t);
SockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, 0);
if( SockID >= 0 ){
retVal = sl_Connect(SockID, ( SlSockAddr_t *)&Addr, ASize);
}
if((SockID >= 0)&&(retVal >= 0)){
strcpy(SendBuff, str1);
count = 0;
sl_Send(SockID, SendBuff, strlen(SendBuff), 0);// Send the HTTP GET
sl_Recv(SockID, Recvbuff, MAX_RECV_BUFF_SIZE, 0);// Receive response
sl_Close(SockID);
LED_GreenOn();
UARTprintf("\r\n\r\n");
//ST7735_OutString(Recvbuff);
UARTprintf("\r\n");
}
}
while(1);
}
}
//****************************************************************************
//****************************************************************************
//****************************************************************************
//****************************************************************************
//****************************************************************************
//
//! \brief pings to the default gateway and ip address of domain "www.ti.com"
//!
//! This function pings to the default gateway to ensure the wlan cannection,
//! then check for the internet connection, if present then get the ip address
//! of Domain name "www.ti.com" and pings to it
//!
//! \param ulDefaultGateway is the default gateway for the ap to which the
//! device is connected
//!
//! \return -1 for unsuccessful LAN connection, -2 for problem with internet
//! conection and 0 for succesful ping to the Domain name
//
//****************************************************************************
int PingTest(unsigned long ulDefaultGateway)
{
int iStatus = 0;
SlPingStartCommand_t PingParams;
SlPingReport_t PingReport;
unsigned long ulIpAddr;
char *pinghostname = "www.sina.com.cn";
// unsigned short pinghostname_len = strlen(pinghostname);
// Set the ping parameters
PingParams.PingIntervalTime = 100;
PingParams.PingSize = 5;
PingParams.PingRequestTimeout = 1000;
PingParams.TotalNumberOfAttempts = 10;
PingParams.Flags = 0;//?if flags parameter is set to 0, ping will report back once all requested pings are done
PingParams.Ip = SL_AF_INET;
// Fill the GW IP address, which is our AP address
//PingParams.Ip = ulDefaultGateway;
PingParams.Ip =SL_IPV4_VAL(192,168,1,1);
// Check for LAN connection
sl_NetAppPingStart((SlPingStartCommand_t*)&PingParams, SL_AF_INET,
(SlPingReport_t*)&PingReport, SimpleLinkPingReport);
while (!g_uiPingDone)
{
//looping till ping is running
Z_DelayS(1);
UART_PRINT("i am waiting ping end now \n\r");
}
g_uiPingDone = 0;
if(g_uiPingPacketsRecv)
{
UART_PRINT("We were able to ping now \n\r");
g_uiPingPacketsRecv = 0;
// We were able to ping the AP
/* Check for Internet connection */
/* Querying for ti.com IP address */
iStatus = sl_NetAppDnsGetHostByName(pinghostname, strlen(pinghostname), &ulIpAddr, SL_AF_INET);
if (iStatus < 0)
{
UART_PRINT("Problem with Internet connection \n\r");
// LAN connection is successful
// Problem with Internet connection
return -2;
}
// Replace the ping address to match ti.com IP address
PingParams.Ip = ulIpAddr;
UART_PRINT(pinghostname);
UART_PRINT(" ip is : ");
Z_IPDispaly(&ulIpAddr);
return 0; ///not to ping www.ti.com
// Try to ping www.ti.com
sl_NetAppPingStart((SlPingStartCommand_t*)&PingParams, SL_AF_INET,
(SlPingReport_t*)&PingReport, SimpleLinkPingReport);
while (!g_uiPingDone)
{
//looping till ping is running
}
if (g_uiPingPacketsRecv)
{
// LAN connection is successful
// Internet connection is successful
g_uiPingPacketsRecv = 0;
return 0;
}
else
{
// LAN connection is successful
// Problem with Internet connection
return -2;
}
}
else
{
// Problem with LAN connection
UART_PRINT(" Problem with LAN connection \n\r");
return -1;
}
}
/*
* ::getaddrinfo
*/
int getaddrinfo(const char *nodename, const char *servname,
const struct addrinfo *hints,
struct addrinfo **res)
{
unsigned long ip_addr;
uint8_t domain;
*res = malloc(sizeof(struct addrinfo));
if (*res == NULL)
{
return EAI_MEMORY;
}
memset(*res, 0, sizeof(struct addrinfo));
(*res)->ai_addr = malloc(sizeof(struct sockaddr));
if ((*res)->ai_addr == NULL)
{
free(*res);
return EAI_MEMORY;
}
memset((*res)->ai_addr, 0, sizeof(struct addrinfo));
switch (hints->ai_family)
{
case AF_INET:
domain = SL_AF_INET;
break;
case AF_INET6:
domain = SL_AF_INET6;
break;
case AF_PACKET:
domain = SL_AF_PACKET;
break;
default:
errno = EAFNOSUPPORT;
free((*res)->ai_addr);
free(*res);
return -1;
}
int result = sl_NetAppDnsGetHostByName((int8_t*)nodename, strlen(nodename),
&ip_addr, domain);
if (result != 0)
{
free((*res)->ai_addr);
free(*res);
switch (result)
{
default:
case SL_POOL_IS_EMPTY:
return EAI_AGAIN;
case SL_NET_APP_DNS_QUERY_NO_RESPONSE:
case SL_NET_APP_DNS_NO_SERVER:
case SL_NET_APP_DNS_QUERY_FAILED:
case SL_NET_APP_DNS_MALFORMED_PACKET:
case SL_NET_APP_DNS_MISMATCHED_RESPONSE:
return EAI_FAIL;
}
}
switch (hints->ai_family)
{
case AF_INET:
{
struct sockaddr_in *addr_in = (struct sockaddr_in*)(*res)->ai_addr;
(*res)->ai_flags = 0;
(*res)->ai_family = hints->ai_family;
(*res)->ai_socktype = hints->ai_socktype;
(*res)->ai_protocol = hints->ai_protocol;
(*res)->ai_addrlen = sizeof(struct sockaddr_in);
addr_in->sin_family = hints->ai_family;
addr_in->sin_port = htons((uint16_t)strtol(servname, NULL, 0));
addr_in->sin_addr.s_addr = htonl(ip_addr);
break;
}
case AF_INET6:
case AF_PACKET:
default:
errno = EAFNOSUPPORT;
free((*res)->ai_addr);
free(*res);
return -1;
}
return 0;
}
int main(int argc, char** argv)
{
SlSockAddrIn_t Addr = {0};
_u32 cipher = SL_SEC_MASK_SSL_RSA_WITH_RC4_128_SHA;
_u32 googleIP = 0;
_u8 method = SL_SO_SEC_METHOD_SSLV3;
_i32 AddrSize = -1;
_i32 g_SockID = -1;
_i32 retVal = -1;
retVal = initializeAppVariables();
ASSERT_ON_ERROR(retVal);
/* Stop WDT and initialize the system-clock of the MCU
These functions needs to be implemented in PAL */
stopWDT();
initClk();
/* Configure command line interface */
CLI_Configure();
displayBanner();
/*
* Following function configures the device to default state by cleaning
* the persistent settings stored in NVMEM (viz. connection profiles &
* policies, power policy etc)
*
* Applications may choose to skip this step if the developer is sure
* that the device is in its default state at start of application
*
* Note that all profiles and persistent settings that were done on the
* device will be lost
*/
retVal = configureSimpleLinkToDefaultState();
if(retVal < 0)
{
if (DEVICE_NOT_IN_STATION_MODE == retVal)
{
CLI_Write(" Failed to configure the device in its default state \n\r");
}
LOOP_FOREVER();
}
CLI_Write(" Device is configured in default state \n\r");
/*
* Assumption is that the device is configured in station mode already
* and it is in its default state
*/
/* Initializing the CC3100 device */
retVal = sl_Start(0, 0, 0);
if ((retVal < 0) ||
(ROLE_STA != retVal) )
{
CLI_Write(" Failed to start the device \n\r");
LOOP_FOREVER();
}
CLI_Write(" Device started as STATION \n\r");
/* Connecting to WLAN AP - Set with static parameters defined at the top
After this call we will be connected and have IP address */
retVal = establishConnectionWithAP();
if(retVal < 0)
{
CLI_Write(" Failed to establish connection w/ an AP \n\r");
LOOP_FOREVER();
}
CLI_Write(" Connection established w/ AP and IP is acquired \n\r");
/* Update the CC3100 time */
retVal = SetTime();
if (retVal < 0)
{
CLI_Write(" Failed to set the device time \n\r");
LOOP_FOREVER();
}
CLI_Write(" Establishing secure connection w/ google server \n\r");
/* get the server name via a DNS request */
retVal = sl_NetAppDnsGetHostByName(g_Google, pal_Strlen(g_Google),
&googleIP, SL_AF_INET);
if( retVal < 0 )
{
CLI_Write(" Failed to get the IP address \n\r");
LOOP_FOREVER();
}
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons(GOOGLE_DST_PORT);
Addr.sin_addr.s_addr = sl_Htonl(googleIP);
AddrSize = sizeof(SlSockAddrIn_t);
/* opens a secure socket */
g_SockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, SL_SEC_SOCKET);
if( g_SockID < 0 )
{
CLI_Write(" Failed to open socket \n\r");
LOOP_FOREVER();
}
/* configure the socket as SSLV3.0 */
retVal = sl_SetSockOpt(g_SockID, SL_SOL_SOCKET, SL_SO_SECMETHOD,
&method, sizeof(method));
if( retVal < 0 )
{
CLI_Write(" Failed to configure the socket \n\r");
LOOP_FOREVER();
}
/* configure the socket as RSA with RC4 128 SHA */
retVal = sl_SetSockOpt(g_SockID, SL_SOL_SOCKET, SL_SO_SECURE_MASK,
&cipher, sizeof(cipher));
if( retVal < 0 )
{
CLI_Write(" Failed to configure the socket \n\r");
LOOP_FOREVER();
}
/* configure the socket with GOOGLE CA certificate-for server verification*/
retVal = sl_SetSockOpt(g_SockID, SL_SOL_SOCKET, SL_SO_SECURE_FILES_CA_FILE_NAME,
SL_SSL_CA_CERT, pal_Strlen(SL_SSL_CA_CERT));
if( retVal < 0 )
{
CLI_Write(" Failed to configure the socket \n\r");
LOOP_FOREVER();
}
/* connect to the peer device - GMail server */
retVal = sl_Connect(g_SockID, ( SlSockAddr_t *)&Addr, AddrSize);
if (retVal < 0 )
{
CLI_Write(" Failed to connect w/ google server \n\r");
LOOP_FOREVER();
}
CLI_Write(" Connection w/ google server established successfully \n\r");
/* Stop the CC3100 device */
retVal = sl_Stop(SL_STOP_TIMEOUT);
if(retVal < 0)
LOOP_FOREVER();
return 0;
}
//*****************************************************************************
//
//! This function demonstrates how certificate can be used with SSL.
//! The procedure includes the following steps:
//! 1) connect to an open AP
//! 2) get the server name via a DNS request
//! 3) define all socket options and point to the CA certificate
//! 4) connect to the server via TCP
//!
//! \param None
//!
//! \return 0 on success else error code
//! \return LED1 is turned solid in case of success
//! LED2 is turned solid in case of failure
//!
//*****************************************************************************
static int tls_connect()
{
SlSockAddrIn_t Addr;
int iAddrSize;
unsigned char ucMethod = SL_SO_SEC_METHOD_TLSV1_2;
unsigned int uiIP,uiCipher = SL_SEC_MASK_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA;
long lRetVal = -1;
int iSockID;
lRetVal = sl_NetAppDnsGetHostByName(g_Host, strlen((const char *)g_Host),
(unsigned long*)&uiIP, SL_AF_INET);
if(lRetVal < 0)
{
UART_PRINT("Device couldn't retrive the host name \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
Addr.sin_family = SL_AF_INET;
Addr.sin_port = sl_Htons(GOOGLE_DST_PORT);
Addr.sin_addr.s_addr = sl_Htonl(uiIP);
iAddrSize = sizeof(SlSockAddrIn_t);
//
// opens a secure socket
//
iSockID = sl_Socket(SL_AF_INET,SL_SOCK_STREAM, SL_SEC_SOCKET);
if( iSockID < 0 )
{
UART_PRINT("Device unable to create secure socket \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
// configure the socket as TLS1.2
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, SL_SO_SECMETHOD, &ucMethod,\
sizeof(ucMethod));
if(lRetVal < 0)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
//configure the socket as ECDHE RSA WITH AES256 CBC SHA
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, SL_SO_SECURE_MASK, &uiCipher,\
sizeof(uiCipher));
if(lRetVal < 0)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//
//configure the socket with CA certificate - for server verification
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, \
SL_SO_SECURE_FILES_CA_FILE_NAME, \
SL_SSL_CA_CERT, \
strlen(SL_SSL_CA_CERT));
if(lRetVal < 0)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//configure the socket with Client Certificate - for server verification
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, \
SL_SO_SECURE_FILES_CERTIFICATE_FILE_NAME, \
SL_SSL_CLIENT, \
strlen(SL_SSL_CLIENT));
if(lRetVal < 0)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
//configure the socket with Private Key - for server verification
//
lRetVal = sl_SetSockOpt(iSockID, SL_SOL_SOCKET, \
SL_SO_SECURE_FILES_PRIVATE_KEY_FILE_NAME, \
SL_SSL_PRIVATE, \
strlen(SL_SSL_PRIVATE));
if(lRetVal < 0)
{
UART_PRINT("Device couldn't set socket options \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
/* connect to the peer device - Google server */
lRetVal = sl_Connect(iSockID, ( SlSockAddr_t *)&Addr, iAddrSize);
if(lRetVal < 0)
{
UART_PRINT("Device couldn't connect to AWS server \n\r");
GPIO_IF_LedOn(MCU_RED_LED_GPIO);
return lRetVal;
}
else{
UART_PRINT("Device has connected to the website:");
UART_PRINT(SERVER_NAME);
UART_PRINT("\n\r");
}
GPIO_IF_LedOff(MCU_RED_LED_GPIO);
GPIO_IF_LedOn(MCU_GREEN_LED_GPIO);
return iSockID;
}
