void callback_init(){
frame_header_init();
window_colorbuttons_init();
window_init("unnamed show");
frame_update_current(color_button);
frame_copy();
}
void send_thread(void *args)
{
transfer_session *session;
file_desc *f_desc;
file_block_desc *b_desc;
file_frame_data *file_frame;
frame_index *f_index;
frame_header *f_header;
block_sent_frame bs;
int qid;
q_msg f_msg;
int err;
int frame_len = 0, len = 0, blk_count = 0;
unsigned short b_index = 0;
char buf_send[2061];
#if DEBUG
char test[10];
FILE *fp;
fp = fopen("receive.txt", "w");
#endif
struct timeval start;
struct timeval end;
float time_used;
char started = 0;
int send_count = 0;
int ret_val = 0;
session = (transfer_session *)args;
f_desc = session->f_desc;
blk_count = f_desc->block_count;
frame_block_sent_init(&bs);
if((qid = session->data_qid) < 0)
{
printf("msg q error");
return;
}
frame_header_init(FRAME_TYPE_DATA, FRAME_DATA_MONITOR, &f_header);
for(;;)
{
if (session->state != STATE_TRANSFER)
{
/* free the packages in the queue */
while(recv_msg_q(qid, &f_msg, sizeof(q_msg),\
MSG_TYPE_FILE_FRAME, IPC_NOWAIT) >= 0)
{
file_frame = (file_frame_data *)(f_msg.msg_buf.data);
t_free(file_frame);
}
//t_free(f_header);
//return;
sleep(1);
continue;
}
/* get frame from msg q */
if ((err = recv_msg_q(qid, &f_msg, sizeof(q_msg),\
MSG_TYPE_FILE_FRAME, IPC_NOWAIT)) < 0)
{
/* no msg in the queue, assum sending finished */
if(started)
{
gettimeofday(&end,NULL);
time_used = (end.tv_sec - start.tv_sec) * 1000000\
+ (end.tv_usec - start.tv_usec);
time_used /= 1000000;
printf("send_time_used = %f s\n", time_used);
printf("send_frame_count = %d \n", send_count);
send_count = 0;
started = 0;
}
sleep(1);
continue;
}
if(0 == started)
{
gettimeofday(&start, NULL);
started = 1;
}
file_frame = (file_frame_data *)(f_msg.msg_buf.data);
b_index = file_frame->block_index;
/* encapusulate frame */
file_frame->file_id = HTONS(file_frame->file_id);
file_frame->block_index = HTONS(file_frame->block_index);
file_frame->frame_index = HTONS(file_frame->frame_index);
//printf("send data block:%d, frame:%d\n", HTONS(file_frame->block_index), HTONS(file_frame->frame_index));
frame_len = frame_build(f_header, file_frame, sizeof(file_frame_data), buf_send);
if(f_msg.msg_buf.data_len < FILE_FRAME_SIZE)
{
((frame_header *)buf_send)->length = HTONS(f_msg.msg_buf.data_len + 11);
frame_crc_gen((frame_header *)buf_send, (unsigned char *)buf_send + 6,\
f_msg.msg_buf.data_len + 6);
}
/* send file data frame */
ret_val = send_file_data(session, buf_send, f_msg.msg_buf.data_len + 13);
if(ret_val < 0)
{
printf("return value:%d.\n", ret_val);
perror("send to!");
}
send_count++;
if(!f_desc->frame_remain)
{
t_free(file_frame);
continue;
}
f_desc->frame_remain[b_index - 1]--;
if(f_desc->frame_remain[b_index - 1] == 0)
{
bs.file_id = HTONS(f_desc->file_id);
bs.block_index = file_frame->block_index;
frame_crc_gen(&(bs.f_header), (unsigned char*)(&bs.file_id), 4);
if ((len = send(session->fd, (char *)(&bs), sizeof(block_sent_frame), 0))\
!= sizeof(block_sent_frame))
{
printf("send socket finished failed.\n");
session->state = STATE_CONN_LOST;
t_free(file_frame);
continue;
}
printf("block:%d has send completed.\n", HTONS(bs.block_index));
/* if all count have been sent, tansfer finished */
//blk_count--;
//if(blk_count == 0)
// session->state = STATE_TRANSFER_FIN;
}
/* free the data after send */
t_free(file_frame);
}
t_free(f_header);
}
