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#include <errno.h>
#include <fcntl.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/epoll.h>
#include <unistd.h>
#include <linux/input.h>
#include "tapi-ioctl.h"
#include "tapi-device.h"
#include "tapi-port.h"
#include "events.h"
#include "list.h"
static void tapi_port_event_dispatch(struct tapi_port *port,
struct tapi_event *event)
{
struct tapi_port_event_listener *l;
list_for_each_entry(l, &port->event_listeners, head) {
l->callback(port, event, l->data);
}
}
static bool tapi_port_input_event(int events, void *data)
{
struct tapi_port *port = data;
struct input_event event;
struct tapi_event tapi_event;
int ret;
ret = read(port->input_fd, &event, sizeof(event));
if (ret < 0) {
fprintf(stderr, "Port %d failed to read from input device: %d\n",
port->id, errno);
return true;
}
if (!event.value)
return true;
switch (event.code) {
case KEY_NUMERIC_0 ... KEY_NUMERIC_9:
tapi_event.type = TAPI_EVENT_TYPE_DTMF;
tapi_event.dtmf.code = event.code - KEY_NUMERIC_0;
break;
case KEY_NUMERIC_POUND:
tapi_event.type = TAPI_EVENT_TYPE_DTMF;
tapi_event.dtmf.code = 10;
break;
case KEY_NUMERIC_STAR:
tapi_event.type = TAPI_EVENT_TYPE_DTMF;
tapi_event.dtmf.code = 11;
break;
case KEY_ESC:
tapi_event.type = TAPI_EVENT_TYPE_HOOK;
tapi_event.hook.on = true;
break;
case KEY_ENTER:
tapi_event.type = TAPI_EVENT_TYPE_HOOK;
tapi_event.hook.on = false;
break;
default:
return true;
}
if (tapi_event.type == TAPI_EVENT_TYPE_DTMF)
tapi_event.dtmf.time = event.time;
tapi_port_event_dispatch(port, &tapi_event);
return true;
}
int tapi_port_open(struct tapi_device *dev, unsigned int id, struct tapi_port *port)
{
int ret;
char path[100];
port->id = id;
snprintf(path, 100, "/dev/tapi%uP%u", dev->id, id);
port->fd = open(path, 0);
if (port->fd < 0) {
printf("Failed to open %s: %d\n", path, errno);
return errno;
}
snprintf(path, 100, "/dev/event%u", id);
port->input_fd = open(path, O_RDONLY);
if (port->input_fd < 0) {
printf("Failed to open %s: %d\n", path, errno);
return errno;
}
port->ep = ioctl(port->fd, TAPI_PORT_IOCTL_GET_ENDPOINT, 0);
INIT_LIST_HEAD(&port->event_listeners);
port->input_cb.callback = tapi_port_input_event;
port->input_cb.data = port;
return event_register(port->input_fd, EPOLLIN,
&port->input_cb);
}
int tapi_port_set_ring(struct tapi_port *port, bool ring)
{
return ioctl(port->fd, TAPI_PORT_IOCTL_SET_RING, ring);
}
int tapi_port_register_event(struct tapi_port *port,
struct tapi_port_event_listener *cb)
{
list_add_tail(&cb->head, &port->event_listeners);
return 0;
}
void tapi_port_unregister_event(struct tapi_port *port,
struct tapi_port_event_listener *cb)
{
list_del(&cb->head);
}
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