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