static void vca_kev(const struct kevent *kp) { int i, j; struct sess *sp; struct sess *ss[NKEV]; AN(kp->udata); if (kp->udata == vca_pipes) { j = 0; i = read(vca_pipes[0], ss, sizeof ss); if (i == -1 && errno == EAGAIN) return; while (i >= sizeof ss[0]) { CHECK_OBJ_NOTNULL(ss[j], SESS_MAGIC); assert(ss[j]->sp_fd >= 0); AZ(ss[j]->obj); VTAILQ_INSERT_TAIL(&sesshead, ss[j], list); vca_kq_sess(ss[j], EV_ADD | EV_ONESHOT); j++; i -= sizeof ss[0]; } assert(i == 0); return; } CAST_OBJ_NOTNULL(sp, kp->udata, SESS_MAGIC); DSL(0x04, SLT_Debug, sp->id, "KQ: sp %p kev data %lu flags 0x%x%s", sp, (unsigned long)kp->data, kp->flags, (kp->flags & EV_EOF) ? " EOF" : ""); assert(sp->id == kp->ident); assert(sp->sp_fd == sp->id); if (kp->data > 0) { i = HTC_Rx(sp->htc); if (i == 0) { vca_kq_sess(sp, EV_ADD | EV_ONESHOT); return; /* more needed */ } VTAILQ_REMOVE(&sesshead, sp, list); vca_handover(sp, i); return; } else if (kp->flags & EV_EOF) { VTAILQ_REMOVE(&sesshead, sp, list); vca_close_session(sp, "EOF"); SES_Delete(sp); return; } else { VSL(SLT_Debug, sp->id, "KQ: sp %p kev data %lu flags 0x%x%s", sp, (unsigned long)kp->data, kp->flags, (kp->flags & EV_EOF) ? " EOF" : ""); } }
static inline void vca_port_ev(port_event_t *ev) { struct sess *sp; if(ev->portev_source == PORT_SOURCE_USER) { CAST_OBJ_NOTNULL(sp, ev->portev_user, SESS_MAGIC); assert(sp->fd >= 0); AZ(sp->obj); VTAILQ_INSERT_TAIL(&sesshead, sp, list); vca_add(sp->fd, sp); } else { int i; assert(ev->portev_source == PORT_SOURCE_FD); CAST_OBJ_NOTNULL(sp, ev->portev_user, SESS_MAGIC); assert(sp->fd >= 0); if(ev->portev_events & POLLERR) { vca_del(sp->fd); VTAILQ_REMOVE(&sesshead, sp, list); vca_close_session(sp, "EOF"); SES_Delete(sp); return; } i = HTC_Rx(sp->htc); if (i == 0) { /* incomplete header, wait for more data */ vca_add(sp->fd, sp); return; } /* * note: the original man page for port_associate(3C) states: * * When an event for a PORT_SOURCE_FD object is retrieved, * the object no longer has an association with the port. * * This can be read along the lines of sparing the * port_dissociate after port_getn(), but in fact, * port_dissociate should be used * * Ref: http://opensolaris.org/jive/thread.jspa?threadID=129476&tstart=0 */ vca_del(sp->fd); VTAILQ_REMOVE(&sesshead, sp, list); /* vca_handover will also handle errors */ vca_handover(sp, i); } return; }
static void vca_eev(const struct epoll_event *ep) { struct sess *ss[NEEV], *sp; int i, j; AN(ep->data.ptr); if (ep->data.ptr == vca_pipes) { if (ep->events & EPOLLIN || ep->events & EPOLLPRI) { j = 0; i = read(vca_pipes[0], ss, sizeof ss); if (i == -1 && errno == EAGAIN) return; while (i >= sizeof ss[0]) { CHECK_OBJ_NOTNULL(ss[j], SESS_MAGIC); assert(ss[j]->fd >= 0); AZ(ss[j]->obj); VTAILQ_INSERT_TAIL(&sesshead, ss[j], list); vca_cond_modadd(ss[j]->fd, ss[j]); j++; i -= sizeof ss[0]; } assert(i == 0); } } else { CAST_OBJ_NOTNULL(sp, ep->data.ptr, SESS_MAGIC); if (ep->events & EPOLLIN || ep->events & EPOLLPRI) { i = HTC_Rx(sp->htc); if (i == 0) { vca_modadd(sp->fd, sp, EPOLL_CTL_MOD); return; /* more needed */ } VTAILQ_REMOVE(&sesshead, sp, list); vca_handover(sp, i); } else if (ep->events & EPOLLERR) { VTAILQ_REMOVE(&sesshead, sp, list); vca_close_session(sp, "ERR"); SES_Delete(sp); } else if (ep->events & EPOLLHUP) { VTAILQ_REMOVE(&sesshead, sp, list); vca_close_session(sp, "HUP"); SES_Delete(sp); } else if (ep->events & EPOLLRDHUP) { VTAILQ_REMOVE(&sesshead, sp, list); vca_close_session(sp, "RHUP"); SES_Delete(sp); } } }