static int peer_write_cb(struct peer *p)
{
int rv;
struct msg_t *msg = NULL,*next = NULL;
thread_mutex_lock(p->sq_mutex);
msg = BTPDQ_FIRST(&p->send_queue);
//拼包,分批防止饥饿
while(msg && p->sendbuf.off < MAX_SENDBUF){
next = BTPDQ_NEXT(msg,msg_entry);
BTPDQ_REMOVE(&p->send_queue,msg,msg_entry);
iobuf_write(p->allocator,&p->sendbuf,msg->buf,msg->len);
mfree(p->allocator,msg->buf);
mfree(p->allocator,msg);
msg = next;
}
if(p->sendbuf.off <= 0)
{
fdev_disable(&p->ioev,EV_WRITE);
thread_mutex_unlock(p->sq_mutex);
return 0;
}
thread_mutex_unlock(p->sq_mutex);
rv = write(p->sd,p->sendbuf.buf,p->sendbuf.off);
while((rv >= 0) || (rv < 0 && errno == EINTR))
{
if(rv > 0)
iobuf_consumed(&p->sendbuf,rv);
if(p->sendbuf.off <= 0)
break;
rv = write(p->sd,p->sendbuf.buf,p->sendbuf.off);
}
if(rv < 0 && errno != EAGAIN)
{
return -1;
}
thread_mutex_lock(p->sq_mutex);
if(BTPDQ_EMPTY(&p->send_queue) && p->sendbuf.off <= 0)
{
fdev_disable(&p->ioev,EV_WRITE);
}
thread_mutex_unlock(p->sq_mutex);
return 0;
}
int
fdev_del(struct fdev *ev)
{
// if (ev->index >= 0)
// m_valid[ev->index] = 0;
return fdev_disable(ev, EV_READ|EV_WRITE);
}
int
fdev_del(struct fdev *ev)
{
if (ev->rdidx >= 0)
m_valid[ev->rdidx] = 0;
if (ev->wridx >= 0)
m_valid[ev->wridx] = 0;
return fdev_disable(ev, EV_READ|EV_WRITE);
}
