diff options
Diffstat (limited to 'src/common/evdp_epoll.c')
-rw-r--r-- | src/common/evdp_epoll.c | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/src/common/evdp_epoll.c b/src/common/evdp_epoll.c deleted file mode 100644 index 0357dfc66..000000000 --- a/src/common/evdp_epoll.c +++ /dev/null @@ -1,232 +0,0 @@ -// -// Event Dispatcher Abstraction for EPOLL -// -// Author: Florian Wilkemeyer <fw@f-ws.de> -// -// Copyright (c) rAthena Project (www.rathena.org) - Licensed under GNU GPL -// For more information, see LICENCE in the main folder -// -// - -#include <stdio.h> -#include <errno.h> -#include <string.h> -#include <stdlib.h> -#include <unistd.h> - -#include <sys/epoll.h> -#include <sys/fcntl.h> -#include <sys/socket.h> - -#include "../common/cbasetypes.h" -#include "../common/showmsg.h" -#include "../common/evdp.h" - - -#define EPOLL_MAX_PER_CYCLE 10 // Max Events to coalesc. per cycle. - - -static int epoll_fd = -1; - - -void evdp_init(){ - - epoll_fd = epoll_create( EPOLL_MAX_PER_CYCLE ); - if(epoll_fd == -1){ - ShowFatalError("evdp [EPOLL]: Cannot create event dispatcher (errno: %u / %s)\n", errno, strerror(errno) ); - exit(1); - } - -}//end: evdp_init() - - -void evdp_final(){ - - if(epoll_fd != -1){ - close(epoll_fd); - epoll_fd = -1; - } - -}//end: evdp_final() - - -int32 evdp_wait(EVDP_EVENT *out_fds, int32 max_events, int32 timeout_ticks){ - struct epoll_event l_events[EPOLL_MAX_PER_CYCLE]; - register struct epoll_event *ev; - register int nfds, n; - - if(max_events > EPOLL_MAX_PER_CYCLE) - max_events = EPOLL_MAX_PER_CYCLE; - - nfds = epoll_wait( epoll_fd, l_events, max_events, timeout_ticks); - if(nfds == -1){ - // @TODO: check if core is in shutdown mode. if - ignroe error. - - ShowFatalError("evdp [EPOLL]: epoll_wait returned bad / unexpected status (errno: %u / %s)\n", errno, strerror(errno)); - exit(1); //.. - } - - // Loop thru all events and copy it to the local ra evdp_event.. struct. - for(n = 0; n < nfds; n++){ - ev = &l_events[n]; - - out_fds->fd = ev->data.fd; - out_fds->events = 0; // clear - - if(ev->events & EPOLLHUP) - out_fds->events |= EVDP_EVENT_HUP; - - if(ev->events & EPOLLIN) - out_fds->events |= EVDP_EVENT_IN; - - if(ev->events & EPOLLOUT) - out_fds->events |= EVDP_EVENT_OUT; - - out_fds++; - } - - return nfds; // 0 on timeout or > 0 .. -}//end: evdp_wait() - - -void evdp_remove(int32 fd, EVDP_DATA *ep){ - - if(ep->ev_added == true){ - - if( epoll_ctl(epoll_fd, EPOLL_CTL_DEL, fd, &ep->ev_data) != 0){ - ShowError("evdp [EPOLL]: evdp_remove - epoll_ctl (EPOLL_CTL_DEL) failed! fd #%u (errno %u / %s)\n", fd, errno, strerror(errno)); - } - - ep->ev_data.events = 0; // clear struct. - ep->ev_data.data.fd = -1; // .. clear struct .. - - ep->ev_added = false; // not added! - } - - -}//end: evdp_remove() - - -bool evdp_addlistener(int32 fd, EVDP_DATA *ep){ - - ep->ev_data.events = EPOLLET|EPOLLIN; - ep->ev_data.data.fd = fd; - - // No check here for 'added ?' - // listeners cannot be added twice. - // - if( epoll_ctl(epoll_fd, EPOLL_CTL_ADD, fd, &ep->ev_data) != 0 ){ - ShowError("evdp [EPOLL]: evdp_addlistener - epoll_ctl (EPOLL_CTL_ADD) faield! fd #%u (errno %u / %s)\n", fd, errno, strerror(errno)); - ep->ev_data.events = 0; - ep->ev_data.data.fd = -1; - return false; - } - - ep->ev_added = true; - - return true; -}//end: evdp_addlistener() - - -bool evdp_addclient(int32 fd, EVDP_DATA *ep){ - - ep->ev_data.events = EPOLLIN | EPOLLHUP; - ep->ev_data.data.fd = fd; - - // No check for "added?" here, - // this function only gets called upon accpept. - // - - if( epoll_ctl(epoll_fd, EPOLL_CTL_ADD, fd, &ep->ev_data) != 0){ - ShowError("evdp [EPOLL]: evdp_addclient - epoll_ctl (EPOLL_CTL_ADD) failed! fd #%u (errno %u / %s)\n", fd, errno, strerror(errno)); - ep->ev_data.events = 0; - ep->ev_data.data.fd = -1; - return false; - } - - ep->ev_added = true; - - return true; -}//end: evdp_addclient() - - -bool evdp_addconnecting(int32 fd, EVDP_DATA *ep){ - - ep->ev_data.events = EPOLLET | EPOLLOUT | EPOLLHUP; - ep->ev_data.data.fd = fd; - - if( epoll_ctl(epoll_fd, EPOLL_CTL_ADD, fd, &ep->ev_data) != 0){ - ShowError("evdp [EPOLL]: evdp_addconnecting - epoll_ctl (EPOLL_CTL_ADD) failed! fd #%u (errno %u / %s)\n", fd, errno, strerror(errno)); - ep->ev_data.events = 0; - ep->ev_data.data.fd = -1; - } - - ep->ev_added = true; - - return true; -}//end: evdp_addconnecting() - - -bool evdp_outgoingconnection_established(int32 fd, EVDP_DATA *ep){ - int32 saved_mask; - - if(ep->ev_added != true){ - // ! - ShowError("evdp [EPOLL]: evdp_outgoingconnection_established fd #%u is not added to event dispatcher! invalid call.\n", fd); - return false; - } - - saved_mask = ep->ev_data.events; - - ep->ev_data.events = EPOLLIN | EPOLLHUP; - - if( epoll_ctl(epoll_fd, EPOLL_CTL_MOD, fd, &ep->ev_data) != 0){ - ep->ev_data.events = saved_mask; // restore old mask. - ShowError("evdp [EPOLL]: evdp_outgoingconnection_established - epoll_ctl (EPOLL_CTL_MOD) failed! fd #%u (errno %u / %s)\n", fd, errno, strerror(errno)); - return false; - } - - return true; -}//end: evdp_outgoingconnection_established() - - -bool evdp_writable_add(int32 fd, EVDP_DATA *ep){ - - if(ep->ev_added != true){ - ShowError("evdp [EPOLL]: evdp_writable_add - tried to add not added fd #%u\n",fd); - return false; - } - - if(! (ep->ev_data.events & EPOLLOUT) ){ // - - ep->ev_data.events |= EPOLLOUT; - if( epoll_ctl(epoll_fd, EPOLL_CTL_MOD, fd, &ep->ev_data) != 0 ){ - ShowError("evdp [EPOLL]: evdp_writable_add - epoll_ctl (EPOLL_CTL_MOD) failed! fd #%u (errno: %u / %s)\n", fd, errno, strerror(errno)); - ep->ev_data.events &= ~EPOLLOUT; // remove from local flagmask due to failed syscall. - return false; - } - } - - return true; -}//end: evdp_writable_add() - - -void evdp_writable_remove(int32 fd, EVDP_DATA *ep){ - - if(ep->ev_added != true){ - ShowError("evdp [EPOLL]: evdp_writable_remove - tried to remove not added fd #%u\n", fd); - return; - } - - if( ep->ev_data.events & EPOLLOUT ){ - - ep->ev_data.events &= ~EPOLLOUT; - if( epoll_ctl(epoll_fd, EPOLL_CTL_MOD, fd, &ep->ev_data) != 0){ - ShowError("evdp [EPOLL]: evdp_writable_remove - epoll_ctl (EPOLL_CTL_MOD) failed! fd #%u (errno %u / %s)\n", fd, errno, strerror(errno)); - ep->ev_data.events |= EPOLLOUT; // add back to local flagmask because of failed syscall. - return; - } - } - - return; -}//end: evdp_writable_remove() |