From ed49d60424a18635c31dafc77e2cb720f75cc4ff Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Sun, 25 May 2008 15:14:31 +0200 Subject: add eventfd emulation to communicate receiver -> sender --- src/sync-mode.c | 28 +++++++++++++++++++++------- 1 file changed, 21 insertions(+), 7 deletions(-) (limited to 'src/sync-mode.c') diff --git a/src/sync-mode.c b/src/sync-mode.c index ad55adc..2fe7406 100644 --- a/src/sync-mode.c +++ b/src/sync-mode.c @@ -26,6 +26,7 @@ #include "us-conntrack.h" #include "network.h" #include "fds.h" +#include "event.h" #include "debug.h" #include @@ -232,6 +233,12 @@ static int init_sync(void) return -1; } + STATE_SYNC(evfd) = create_evfd(); + if (STATE_SYNC(evfd) == NULL) { + dlog(LOG_ERR, "cannot open evfd"); + return -1; + } + /* initialization of multicast sequence generation */ STATE_SYNC(last_seq_sent) = time(NULL); @@ -240,21 +247,26 @@ static int init_sync(void) static int register_fds_sync(struct fds *fds) { - return register_fd(STATE_SYNC(mcast_server->fd), fds); + if (register_fd(STATE_SYNC(mcast_server->fd), fds) == -1) + return -1; + + return register_fd(get_read_evfd(STATE_SYNC(evfd)), fds); } static void run_sync(fd_set *readfds) { /* multicast packet has been received */ - if (FD_ISSET(STATE_SYNC(mcast_server->fd), readfds)) { + if (FD_ISSET(STATE_SYNC(mcast_server->fd), readfds)) mcast_handler(); - if (STATE_SYNC(sync)->run) - STATE_SYNC(sync)->run(); - - /* flush pending messages */ - mcast_buffered_pending_netmsg(STATE_SYNC(mcast_client)); + if (FD_ISSET(get_read_evfd(STATE_SYNC(evfd)), readfds) && + STATE_SYNC(sync)->run) { + read_evfd(STATE_SYNC(evfd)); + STATE_SYNC(sync)->run(); } + + /* flush pending messages */ + mcast_buffered_pending_netmsg(STATE_SYNC(mcast_client)); } static void kill_sync(void) @@ -265,6 +277,8 @@ static void kill_sync(void) mcast_server_destroy(STATE_SYNC(mcast_server)); mcast_client_destroy(STATE_SYNC(mcast_client)); + destroy_evfd(STATE_SYNC(evfd)); + mcast_buffered_destroy(); if (STATE_SYNC(sync)->kill) -- cgit v1.2.3