void SendFinish(int32_t bytestransfer,st_io *io)
{
struct OVERLAPCONTEXT *OVERLAP = (struct OVERLAPCONTEXT *)io;
struct connection *c = OVERLAP->c;
uint32_t err_code = io->err_code;
for(;;)
{
if(bytestransfer == 0 || (bytestransfer < 0 && err_code != EAGAIN))
{
printf("send close\n");
c->send_overlap.isUsed = 0;
if(!c->recv_overlap.isUsed)
{
//-1,passive close
c->_on_disconnect(c,-1);
}
break;
}
else if(bytestransfer < 0 && err_code == EAGAIN)
{
break;
}
else
{
while(bytestransfer > 0)
{
update_send_list(c,bytestransfer);
io = prepare_send(c);
if(!io)
{
//没有数据需要发送了
c->send_overlap.isUsed = 0;
if(c->is_close)
{
bytestransfer = 0;
break;
}
else
return;
}
bytestransfer = Send(c->socket,io,&err_code);
}
}
}
}
int32_t send_packet(struct connection *c,wpacket_t w)
{
if(!test_sendable(c->status)){
wpk_destroy(&w);
return -1;
}
st_io *O;
if(w){
w->base.tstamp = GetSystemMs64();
LLIST_PUSH_BACK(&c->send_list,w);
}
if(!c->doing_send){
c->doing_send = 1;
O = prepare_send(c);
if(O) return Post_Send(c->socket,O);
}
return 0;
}
int32_t connection_send(struct connection *c,wpacket_t w,packet_send_finish callback)
{
int32_t bytestransfer = 0;
uint32_t err_code = 0;
st_io *O;
int32_t ret = 1;
if(w)
{
w->_packet_send_finish = callback;
LINK_LIST_PUSH_BACK(c->send_list,w);
}
if(!c->send_overlap.isUsed)
{
c->send_overlap.isUsed = 1;
O = prepare_send(c);
return WSASend(c->socket,O,0,&err_code);
}
}
int32_t connection_send(struct connection *c,wpacket_t w,packet_send_finish callback)
{
st_io *O;
if(w)
{
w->send_tick = GetCurrentMs();
w->_packet_send_finish = callback;
LINK_LIST_PUSH_BACK(c->send_list,w);
}
if(!c->send_overlap.isUsed)
{
O = prepare_send(c);
if(O)
{
c->send_overlap.isUsed = 1;
return Post_Send(c->socket,O);
}
}
return 0;
}
void SendFinish(int32_t bytestransfer,struct connection *c,uint32_t err_code)
{
do{
if(bytestransfer == 0)
return;
else if(bytestransfer < 0 && err_code != EAGAIN){
//printf("send close\n");
if(c->status & SESTABLISH)
{
ShutDownSend(c->socket);
c->status = (c->status | SWCLOSE);
}else if(c->status & SWAITCLOSE)
{
c->status = SCLOSE;
CloseSocket(c->socket);
c->cb_disconnect(c,0);
}
return;
}else if(bytestransfer > 0)
{
do{
update_send_list(c,bytestransfer);
st_io *io = prepare_send(c);
if(!io) {
c->doing_send = 0;
if(c->status & SWAITCLOSE)
{
//数据已经发送完毕，关闭
c->status = SCLOSE;
CloseSocket(c->socket);
c->cb_disconnect(c,0);
}
return;
}
bytestransfer = Send(c->socket,io,&err_code);
}while(bytestransfer > 0);
}
}while(1);
}