/*
* This function is called every time we scan an advertisement.
*/
static void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params)
{
struct AdvertisingData_t {
uint8_t length; /* doesn't include itself */
GapAdvertisingData::DataType_t dataType;
uint8_t data[0];
} AdvDataPacket;
struct ApplicationData_t {
uint8_t applicationSpecificId[2];
uint8_t frameType;
uint8_t advPowerLevels;
uint8_t uriData[URI_MAX_LENGTH];
} AppDataPacket;
const uint8_t BEACON_UUID[sizeof(UUID::ShortUUIDBytes_t)] = {0xAA, 0xFE};
const uint8_t FRAME_TYPE_URL = 0x10;
const uint8_t APPLICATION_DATA_OFFSET = sizeof(ApplicationData_t) + sizeof(AdvDataPacket.dataType) - sizeof(AppDataPacket.uriData);
AdvertisingData_t *pAdvData;
size_t index = 0;
while(index < params->advertisingDataLen) {
pAdvData = (AdvertisingData_t *)¶ms->advertisingData[index];
if (pAdvData->dataType == GapAdvertisingData::SERVICE_DATA) {
ApplicationData_t *pAppData = (ApplicationData_t *) pAdvData->data;
if (!memcmp(pAppData->applicationSpecificId, BEACON_UUID, sizeof(BEACON_UUID)) && (pAppData->frameType == FRAME_TYPE_URL)) {
decodeURI(pAppData->uriData, pAdvData->length - APPLICATION_DATA_OFFSET, params->rssi);
break;
}
}
index += (pAdvData->length + 1);
}
}
/**
* cgiInit
*
* Load the available CGI variables and create the PHP style _SERVER and _GET
* dynamic variables. Both variables are created as associative arrays.
**/
int cgiInit()
{
METHOD *pMethod;
DATA *ptContent,
*ptQuery,
*ptArgs,
*ptSERVER,
*ptCBTREE,
*ptGET,
*ptPOST;
char cProperty[MAX_BUF_SIZE],
cValue[MAX_BUF_SIZE],
cArgm[MAX_BUF_SIZE],
*pcAllowed,
*pcSrc,
*pcArgm;
int iArgCount,
iSep,
i;
phResp = stdout;
cgiEnvironment = newArray(NULL);
// Setup a PHP style '$_SERVER' variable.
if( (ptSERVER = newArray( "_SERVER" )) )
{
for( i=0; cgiVarNames[i]; i++)
{
varNewProperty( cgiVarNames[i], getenv(cgiVarNames[i]), ptSERVER );
}
varPush( cgiEnvironment, ptSERVER );
}
/**
* Setup a PHP style '$_CBTREE' variable.
*
* NOTE: On Apache HTTP servers any non CGI variables must be passed explicitly
* using the 'SetEnv' or 'PassEnv' directive. For example in httpd.conf
* add:
*
* PassEnv CBTREE_METHODS
**/
if( (ptCBTREE = newArray( "_CBTREE" )) )
{
for( i=0; cgiCbtreeNames[i]; i++)
{
varNewProperty( cgiCbtreeNames[i], getenv(cgiCbtreeNames[i]), ptCBTREE );
}
varPush( cgiEnvironment, ptCBTREE );
}
#ifdef _DEBUG
varSet( cgiGetProperty("QUERY_STRING"), cDbgQS );
#endif
switch( cgiGetMethodId() )
{
case HTTP_V_DELETE:
case HTTP_V_GET:
if( (ptGET = newArray( "_GET" )) )
{
if( (ptQuery = cgiGetProperty("QUERY_STRING")) )
{
// Get the list of HTTP query arguments as a new array.
ptArgs = varSplit( ptQuery, "&", false );
ptGET = newArray( "_GET" );
if( (iArgCount = varCount( ptArgs )) )
{
for( i=0; i < iArgCount; i++ )
{
if( (pcArgm = varGet(varGetByIndex( i, ptArgs ))) )
{
// Decode special characters and treat each argument as a new property.
pcSrc = decodeURI( pcArgm, cArgm, sizeof(cArgm)-1 );
iSep = strcspn( pcSrc, "=" );
strncpyz( cProperty, pcSrc, iSep );
pcSrc += pcSrc[iSep] ? iSep + 1: iSep;
strcpy( cValue, pcSrc );
varNewProperty( cProperty, cValue, ptGET );
}
}
}
destroy( ptArgs );
}
varPush( cgiEnvironment, ptGET );
}
break;
case HTTP_V_POST:
if( (ptPOST = newArray( "_POST" )) )
{
// Read the content from stdin
if( fgets(cArgm, sizeof(cArgm)-1, stdin) )
{
ptContent = newString( "CONTENT", cArgm );
ptArgs = varSplit( ptContent, "&", false );
if( (iArgCount = varCount( ptArgs )) )
{
for( i=0; i < iArgCount; i++ )
{
if( (pcArgm = varGet(varGetByIndex( i, ptArgs ))) )
{
// Decode special characters and treat each argument as a new property.
pcSrc = decodeURI( pcArgm, cArgm, sizeof(cArgm)-1 );
iSep = strcspn( pcSrc, "=" );
strncpyz( cProperty, pcSrc, iSep );
pcSrc += pcSrc[iSep] ? iSep + 1: iSep;
strcpy( cValue, pcSrc );
varNewProperty( cProperty, cValue, ptPOST );
}
}
}
destroy( ptArgs );
}
varPush( cgiEnvironment, ptPOST );
}
break;
}
// Define which HTTP methods are allowed.
if( ptCBTREE )
{
pcAllowed = varGet(varGetProperty("CBTREE_METHODS", ptCBTREE));
snprintf( cProperty, sizeof(cProperty)-1,"GET,%s", (pcAllowed ? pcAllowed : "") );
pcArgm = strtok( cProperty, ", " );
while( pcArgm )
{
strtrim( pcArgm, TRIM_M_WSP );
if( *pcArgm )
{
if( (pMethod = _cgiGetMethodByName( pcArgm )) )
{
pMethod->bAllowed = true;
}
}
pcArgm = strtok( NULL, ", " );
}
}
return 1;
}
