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#include <inttypes.h>
#include <sys/timerfd.h>
#include <sys/socket.h>
#include <netinet/ip.h>
#include <arpa/inet.h>
#include <string.h>
#include "main.h"
#include "uring.h"
#include "config.h"
#include "announce.h"
struct announce {
uint64_t value;
struct uring_task task;
struct uring_task mcast_task;
};
static void
mcast_free(struct uring_task *task)
{
struct announce *aev = container_of(task, struct announce, mcast_task);
fprintf(stderr, "%s: called with task 0x%p and aev 0x%p\n", __func__, task, aev);
}
static void
mcast_sent(struct cfg *cfg, struct uring_task *task, int res)
{
fprintf(stderr, "%s: result %i\n", __func__, res);
}
static void
mcast_send(struct cfg *cfg, struct announce *aev)
{
struct sockaddr_in addr;
struct msghdr msg;
char buf[] = "[MOTD]fumbor - test[/MOTD][AD]1234[/AD]";
struct iovec iov = {
.iov_base = buf,
.iov_len = sizeof(buf)
};
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = inet_addr("224.0.2.60");
addr.sin_port = htons(4445);
memset(&msg, 0, sizeof(msg));
msg.msg_name = &addr;
msg.msg_namelen = sizeof(addr);
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
fprintf(stderr, "Manual: %zi\n", sendmsg(aev->mcast_task.fd, &msg, 0));
uring_sendmsg(cfg, &aev->mcast_task, &msg, mcast_sent);
}
static void
announce_cb(struct cfg *cfg, struct uring_task *task, int res)
{
struct announce *aev = container_of(task, struct announce, task);
fprintf(stderr, "%s: ret is %i (ref %u)\n", __func__, res, task->refcount);
if (task->dead) {
fprintf(stderr, "%s: task is dead\n", __func__);
uring_task_put(cfg, task);
return;
}
if (res != sizeof(aev->value))
perrordie("timerfd_read");
fprintf(stderr, "%s: called with value %" PRIu64 "\n", __func__, aev->value);
mcast_send(cfg, aev);
uring_read(cfg, &aev->task, &aev->value, sizeof(aev->value), 0, announce_cb);
}
static void
announce_free(struct uring_task *task)
{
struct announce *aev = container_of(task, struct announce, task);
fprintf(stderr, "%s: called with task 0x%p and aev 0x%p\n", __func__, task, aev);
}
void
announce_refdump(struct announce *aev)
{
if (!aev)
return;
uring_task_refdump(&aev->task);
uring_task_refdump(&aev->mcast_task);
}
void
announce_delete(struct cfg *cfg)
{
if (!cfg->aev) {
fprintf(stderr, "%s called with no announce!\n", __func__);
return;
}
fprintf(stderr, "%s called, closing fd %i\n", __func__, cfg->aev->task.fd);
uring_cancel(cfg, &cfg->aev->task);
cfg->aev = NULL;
}
void
announce_stop(struct announce *aev)
{
struct itimerspec tspec = {
.it_interval = {
.tv_sec = 0,
.tv_nsec = 0
},
.it_value = {
.tv_sec = 0,
.tv_nsec = 0
}
};
if (timerfd_settime(aev->task.fd, 0, &tspec, NULL) != 0)
perrordie("timerfd_settime");
}
void
announce_start(struct announce *aev)
{
struct itimerspec tspec = {
.it_interval = {
.tv_sec = 3,
.tv_nsec = 0
},
.it_value = {
.tv_sec = 3,
.tv_nsec = 0
}
};
if (timerfd_settime(aev->task.fd, 0, &tspec, NULL) != 0)
perrordie("timerfd_settime");
}
void
announce_init(struct cfg *cfg)
{
struct announce *aev;
int afd;
int sfd;
aev = zmalloc(sizeof(*aev));
if (!aev)
perrordie("malloc");
afd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC);
if (afd < 0)
perrordie("timerfd_create");
sfd = socket(AF_INET, SOCK_DGRAM, 0);
if (sfd < 0)
perrordie("socket");
uring_task_init(&aev->task, "aev", &cfg->task, announce_free);
uring_task_set_fd(&aev->task, afd);
uring_task_init(&aev->mcast_task, "aev_mcast", &aev->task, mcast_free);
uring_task_set_fd(&aev->mcast_task, sfd);
cfg->aev = aev;
uring_read(cfg, &aev->task, &aev->value, sizeof(aev->value), 0, announce_cb);
}
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