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#include "mainloop.h"
#include "epoll.h"
typedef struct FdInfo FdInfo;
typedef struct FdCallbackInfo FdCallbackInfo;
struct FdInfo
{
JobQueue * queue;
MainFdFunc func;
gpointer data;
};
struct MainLoop
{
Executor *executor;
EPoll *epoll;
};
struct FdCallbackInfo
{
EPoll *epoll;
int fd;
EPollEventType mask;
MainFdFunc func;
gpointer data;
};
static void
run_fd_callback (gpointer data)
{
FdCallbackInfo *info = data;
info->func (info->fd, info->mask, info->data);
epoll_reenable_fd (info->epoll, info->fd);
g_free (info);
}
static void
poll_job (gpointer data)
{
MainLoop *loop = data;
EPollEvent *events;
int i, n_events;
events = epoll_wait (loop->epoll, &n_events, -1);
for (i = 0; i < n_events; ++i)
{
EPollEvent *event = &(events[i]);
FdInfo *info = epoll_get_fd_data (loop->epoll, event->fd);
FdCallbackInfo *callback_info = g_new0 (FdCallbackInfo, 1);
callback_info->epoll = loop->epoll;
callback_info->fd = event->fd;
callback_info->mask = event->events;
callback_info->func = info->func;
callback_info->data = info->data;
job_queue_add (info->queue, run_fd_callback, callback_info);
}
g_free (events);
executor_add_job (loop->executor, poll_job, loop);
}
MainLoop *
main_loop_new (Executor *executor)
{
MainLoop *loop;
g_return_val_if_fail (executor != NULL, NULL);
loop = g_new0 (MainLoop, 1);
loop->executor = executor;
loop->epoll = epoll_new ();
executor_add_job (executor, poll_job, loop);
return loop;
}
void
main_loop_add_fd (MainLoop *loop,
int fd,
JobQueue *queue,
MainFdFunc func,
gpointer data)
{
FdInfo *info;
g_return_if_fail (loop != NULL);
g_return_if_fail (!epoll_has_fd (loop->epoll, fd));
info = g_new0 (FdInfo, 1);
info->queue = queue;
info->func = func;
info->data = data;
epoll_add_fd (loop->epoll, fd, 0, info);
}
#if 0
void
main_loop_set_fd_poll_mask (MainLoop *loop,
int fd,
EPollEventType poll_mask)
{
g_return_if_fail (loop != NULL);
g_return_if_fail (epoll_has_fd (loop->epoll, fd));
epoll_fd_set_mask (loop->epoll, fd, poll_mask);
}
#endif
void
main_loop_remove_fd (MainLoop *loop,
int fd)
{
FdInfo *info;
g_return_if_fail (loop != NULL);
g_return_if_fail (epoll_has_fd (loop->epoll, fd));
info = epoll_get_fd_data (loop->epoll, fd);
g_free (info);
epoll_remove_fd (loop->epoll, fd);
}
Executor *
main_loop_get_executor (MainLoop *loop)
{
g_return_val_if_fail (loop != NULL, NULL);
return loop->executor;
}
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