// Tracks progress of a file, displays update output
// @param file a pointer to a file variable
static void update_progress(file_info *file) {
file->file_count++;
file->packets_in_buffer++;
file->file_buffer_size += get_data_length(file);
file->bytes_sent += get_data_length(file);
file->pos += MAX_DATA_LENGTH;
// Display progress if its more than X && X%
if ((file->file_buffer_size >= file->transfer_threshold) &&
(file->packets_in_buffer >= TRANSFER_THRESHOLD_PACKETS)) {
file->percent = ((double)file->bytes_sent / (double)file->file_length) * 100;
syslog(LOG_INFO, "...Bytes sent: %d of %d (%.2f%%)", file->bytes_sent, file->file_length, file->percent);
file->file_buffer_size = 0;
file->packets_in_buffer = 0;
} //end if
// Update the file transferred
if (file->bytes_sent == file->file_length) {
file->file_transferred = true;
} //end if
} //end update_progress
void Bridge::onStatusByte(uint8_t byte) {
if(byte == MSG_SYSEX_END && bufferStartsWith(MSG_SYSEX_START)) {
this->msg_data.append(byte); // bookends of a complete SysEx message
sendMidiMessage();
return;
}
if(this->data_expected > 0) {
emit displayMessage(applyTimeStamp(QString("Warning: got a status byte when we were expecting %1 more data bytes, sending possibly incomplete MIDI message 0x%2").arg(this->data_expected).arg((uint8_t)this->msg_data[0], 0, 16)));
sendMidiMessage();
}
if(is_voice_msg(byte))
this->running_status = byte;
if(is_syscommon_msg(byte))
this->running_status = 0;
this->data_expected = get_data_length(byte);
if(this->data_expected == UNKNOWN_MIDI) {
emit displayMessage(applyTimeStamp(QString("Warning: got unexpected status byte %1").arg((uint8_t)byte,0,16)));
this->data_expected = 0;
}
this->msg_data.clear();
this->msg_data.append(byte);
}
static gboolean
daap_request_stream (GIOChannel *chan, gchar *path, gchar *host,
guint request_id, guint *size)
{
guint status;
gchar *request, *header = NULL;
request = daap_generate_request (path, host, request_id);
daap_send_request (chan, request);
g_free (request);
daap_receive_header (chan, &header);
if (!header) {
return FALSE;
}
status = get_server_status (header);
if (HTTP_OK != status) {
g_free (header);
return FALSE;
}
*size = get_data_length (header);
g_free (header);
return TRUE;
}
/*******************************************************
函数返回值的字节长度；通过序号找到对应的值
********************************************************/
static int snmp_get_data_parameter(MIBIDSTRUCT *pN,void *pV)
{
if( NULL != pN && NULL != pV)
if( snmp_get_data(SHM_PARAMETER,pN->t_tacheID.ipcNo,MAX_CHAR_LEN,pV) >0 )
return get_data_length( pN,pV );
return 0;
}
// Sends a data message to the server
// @param sockfd the socket file descriptor
// @param server the server being sent to
// @param seq the sequence number of the message
// @param file a pointer to the file variable
static void send_data(int sockfd, host *server, int *seq, file_info *file) {
char data_buffer[MAX_DATA_LENGTH]; // A data segment
memcpy(data_buffer, file->pos, get_data_length(file));
hftp_data_message *data = (hftp_data_message*)create_data_message(DATA, *seq, data_buffer, get_data_length(file));
syslog(LOG_DEBUG, "Type: Data, Sequence: %d, Data length: %d", data->sequence, ntohs(data->data_length));
transmit(sockfd, (message**)&data, server, seq);
} //end send data
void S::finish_sig(Integer r, Integer cb){
this->r = r;
Integer s2 = paillier.dec(cb) % n;
s = a_times_b_mod_c(ks.InverseMod(n), s2, n);
if (s == 0){
throw ProtocolException("ERR s==0 restart protocol");
}
if (s > n - s) {
s = n - s;
}
// bool result = verifier.VerifyMessage(get_data(), get_data_length(), signature, 64);
bool result = verify(Q, get_data(), get_data_length(), r, s);
if (!result){
throw ProtocolException("Invalid signature generated!");
} else {
}
}