static void setup_inotify_watcher(rwvx_instance_ptr_t rwvx)
{
RW_ASSERT(rwvx);
rwvx->pacemaker_inotify.fd = inotify_init();
RW_ASSERT(rwvx->pacemaker_inotify.fd >= 0);
int inotify_wd = inotify_add_watch(
rwvx->pacemaker_inotify.fd,
"/tmp/corosync",
IN_MODIFY);
RW_ASSERT(inotify_wd >= 0);
CFSocketContext cf_context = { 0, rwvx, NULL, NULL, NULL };
CFOptionFlags cf_callback_flags = kCFSocketReadCallBack;
CFOptionFlags cf_option_flags = kCFSocketAutomaticallyReenableReadCallBack;
// Release cfsource
if (rwvx->pacemaker_inotify.cfsource) {
RW_CF_TYPE_VALIDATE(rwvx->pacemaker_inotify.cfsource, rwsched_CFRunLoopSourceRef);
rwsched_tasklet_CFSocketReleaseRunLoopSource(
rwvx->rwsched_tasklet,
rwvx->pacemaker_inotify.cfsource);
}
// Release the cfsocket
if (rwvx->pacemaker_inotify.cfsocket) {
RW_CF_TYPE_VALIDATE(rwvx->pacemaker_inotify.cfsocket, rwsched_CFSocketRef);
// Invalidate the cfsocket
rwsched_tasklet_CFSocketInvalidate(
rwvx->rwsched_tasklet,
rwvx->pacemaker_inotify.cfsocket);
// Release the cfsocket
rwsched_tasklet_CFSocketRelease(
rwvx->rwsched_tasklet,
rwvx->pacemaker_inotify.cfsocket);
}
rwvx->pacemaker_inotify.cfsocket = rwsched_tasklet_CFSocketCreateWithNative(
rwvx->rwsched_tasklet,
kCFAllocatorSystemDefault,
rwvx->pacemaker_inotify.fd,
cf_callback_flags,
pacemaker_state_changed,
&cf_context);
RW_CF_TYPE_VALIDATE(rwvx->pacemaker_inotify.cfsocket, rwsched_CFSocketRef);
rwsched_tasklet_CFSocketSetSocketFlags(
rwvx->rwsched_tasklet,
rwvx->pacemaker_inotify.cfsocket,
cf_option_flags);
rwvx->pacemaker_inotify.cfsource = rwsched_tasklet_CFSocketCreateRunLoopSource(
rwvx->rwsched_tasklet,
kCFAllocatorSystemDefault,
rwvx->pacemaker_inotify.cfsocket,
0);
RW_CF_TYPE_VALIDATE(rwvx->pacemaker_inotify.cfsource, rwsched_CFRunLoopSourceRef);
rwsched_tasklet_CFRunLoopAddSource(
rwvx->rwsched_tasklet,
rwsched_tasklet_CFRunLoopGetCurrent(rwvx->rwsched_tasklet),
rwvx->pacemaker_inotify.cfsource,
rwvx->rwsched->main_cfrunloop_mode);
}
uint64_t
rwmsg_toyfd_add(rwmsg_toytask_t *toy, int fd, int pollbits, toyfd_cb_t cb, void *ud)
{
rwsched_instance_ptr_t instance;
rwmsg_toytask_t *toytask = toy;
//rwsched_dispatch_source_t source;
struct rwmsg_toyfd_s *toyfd;
// Validate input parameters
RW_CF_TYPE_VALIDATE(toytask, rwtoytask_tasklet_ptr_t);
// Get the rwsched instance from the toytask
instance = toytask->toysched->rwsched_instance;
RW_CF_TYPE_VALIDATE(instance, rwsched_instance_ptr_t);
// Allocate a toyfd container type and track it
toyfd = RW_CF_TYPE_MALLOC0(sizeof(*toyfd), rwmsg_toyfd_ptr_t);
RW_CF_TYPE_VALIDATE(toyfd, rwmsg_toyfd_ptr_t);
// Example of using CFSocket to manage file descriptors on a runloop using CFStreamCreatePairWithSocket()
// http://lists.apple.com/archives/macnetworkprog/2003/Jul/msg00075.html
CFSocketContext cf_context = { 0, NULL, NULL, NULL, NULL };
CFOptionFlags cf_callback_flags = 0;
CFOptionFlags cf_option_flags = 0;
rwsched_CFRunLoopRef runloop = rwsched_tasklet_CFRunLoopGetCurrent(toytask->rwsched_tasklet_info);
rwsched_CFSocketRef cfsocket;
rwsched_CFRunLoopSourceRef cfsource;
// Use the pollbits to determine which socket callback events to register
if (pollbits & POLLIN) {
cf_callback_flags |= kCFSocketReadCallBack;
cf_option_flags |= kCFSocketAutomaticallyReenableReadCallBack;
}
if (pollbits & POLLOUT) {
cf_callback_flags |= kCFSocketWriteCallBack;
cf_option_flags |= kCFSocketAutomaticallyReenableWriteCallBack;
}
// Create a CFSocket as a runloop source for the toyfd file descriptor
cf_context.info = toyfd;
cfsocket = rwsched_tasklet_CFSocketCreateWithNative(toytask->rwsched_tasklet_info,
kCFAllocatorSystemDefault,
fd,
cf_callback_flags,
rwmsg_toysched_io_callback,
&cf_context);
RW_CF_TYPE_VALIDATE(cfsocket, rwsched_CFSocketRef);
rwsched_tasklet_CFSocketSetSocketFlags(toytask->rwsched_tasklet_info, cfsocket, cf_option_flags);
cfsource = rwsched_tasklet_CFSocketCreateRunLoopSource(toytask->rwsched_tasklet_info,
kCFAllocatorSystemDefault,
cfsocket,
0);
RW_CF_TYPE_VALIDATE(cfsource, rwsched_CFRunLoopSourceRef);
rwsched_tasklet_CFRunLoopAddSource(toytask->rwsched_tasklet_info, runloop, cfsource, instance->main_cfrunloop_mode);
// Fill in the toyfd structure
toyfd->cf_ref = cfsocket;
toyfd->id = cfsocket->index;
toyfd->fd = fd;
toyfd->cb = cb;
toyfd->ud = ud;
toyfd->toytask = toytask;
// Fill in the read context structure
if (pollbits & POLLIN) {
toyfd->read_context.source.cfsource = cfsource;
}
// Fill in the write context structure
if (pollbits & POLLOUT) {
toyfd->write_context.source.cfsource = cfsource;
}
// Return the callback id
return (uint64_t) toyfd->id;
}
