static void append_header(Buffer *canon_s, const struct curl_slist *headers, const char * header) {
int header_key_length = strlen(header);
char *found_header = get_header(headers, header, header_key_length);
if (found_header) {
char *header_value = &found_header[header_key_length + 1];
buffer_in(canon_s, header_value, strlen(header_value));
}
buffer_in(canon_s, "\n", 1);
}
static char * build_auth_header(char * access_id, char * signature) {
Buffer *auth_header = new_buffer(64);
buffer_in(auth_header, "Authorization: AuthHMAC ", strlen("Authorization: AuthHMAC "));
buffer_in(auth_header, access_id, strlen(access_id));
buffer_in(auth_header, ":", 1);
buffer_in(auth_header, signature, strlen(signature));
buffer_in(auth_header, "\0", 1);
char * return_header = auth_header->buf;
free(auth_header);
return return_header;
}
/**@brief Handler for SPI0 master events.
*
* @param[in] event SPI master event.
*/
void spi_master_0_event_handler(nrf_drv_spi_evt_type_t* event)
{
// uint32_t err_code = NRF_SUCCESS;
// uint32_t c_buff; // Temporarily store the buffer index of the buffer ready to be compressed
switch (*event)
{
// Transfer complete; store in buffer.
case NRF_DRV_SPI_EVENT_DONE:
nrf_drv_spi_uninit(&m_spi_master_0);
if (buffer_in(&db, &m_rx_data_spi[0]) == BUFFER_FULL) {
if (buffer_compress(db.buffer, db.item_cnt, transmission_buffer) != BUFFER_SUCCESS) {
// buffer_reset(&db);
printf("Error compressing data!\n");
}
intan_convert_channel++;
intan_convert_channel = intan_convert_channel % 32;
}
m_transfer_completed = true;
break;
default:
// No implementation needed.
break;
}
}
char * canonical_string(const char * method, const char * path, const struct curl_slist *headers) {
// TOOD handle this
Buffer *canon_s = new_buffer(256);
buffer_in(canon_s, method, strlen(method));
buffer_in(canon_s, "\n", 1);
append_header(canon_s, headers, "Content-Type:");
append_header(canon_s, headers, "Content-MD5:");
append_header(canon_s, headers, "Date:");
buffer_in(canon_s, path, strlen(path));
buffer_in(canon_s, "\0", 1);
char * return_string = canon_s->buf;
free(canon_s);
return return_string;
}
static void processNode(xmlTextReaderPtr reader, Buffer * buf) {
int type = xmlTextReaderNodeType(reader);
if (type == XML_TEXT_NODE) {
unsigned char *s = xmlTextReaderReadString(reader);
int slen = strlen(s);
char enc[512];
int enclen = 512;
if (!htmlEncodeEntities(enc, &enclen, s, &slen, 0)) {
buffer_in(buf, enc, enclen);
if (enc[enclen-1] != ' ') {
buffer_in(buf, " ", 1);
}
}
free(s);
}
}
static Buffer *extractText(htmlDocPtr doc) {
char * term = "\0";
Buffer *buf = new_buffer(256);
xmlTextReaderPtr reader = xmlReaderWalker(doc);
while(xmlTextReaderRead(reader)){
processNode(reader, buf);
}
xmlFreeTextReader(reader);
buffer_in(buf, term, 1);
return buf;
}
mlpipebuf::int_type
mlpipebuf::underflow()
{
#ifdef DEBUG
char *fname = "mlpipebuf::underflow()";
Tracebuf T(fname);
#endif
if(gptr() < egptr())
return (int)(unsigned char)(*gptr());
if(buffer_in() < 0)
return (int)EOF;
else
return (int)(unsigned char)(*gptr());
}
