370 lines
15 KiB
C
370 lines
15 KiB
C
#include "dev_out.h"
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#include "devices_status.h"
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#include "message.h"
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#include "virt_ds4.h"
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#include "virt_ds5.h"
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static void handle_incoming_message_gamepad_action(
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const in_message_gamepad_action_t *const msg_payload,
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gamepad_status_t *const inout_gamepad
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) {
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if (*msg_payload == GAMEPAD_ACTION_PRESS_AND_RELEASE_CENTER) {
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inout_gamepad->flags |= GAMEPAD_STATUS_FLAGS_PRESS_AND_REALEASE_CENTER;
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} else if (*msg_payload == GAMEPAD_ACTION_OPEN_STEAM_QAM) {
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inout_gamepad->flags |= GAMEPAD_STATUS_FLAGS_OPEN_STEAM_QAM;
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}
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}
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static void handle_incoming_message_gamepad_set(
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const in_message_gamepad_set_element_t *const msg_payload,
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gamepad_status_t *const inout_gamepad
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) {
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switch (msg_payload->element) {
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case GAMEPAD_BTN_CROSS: {
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inout_gamepad->cross = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_CIRCLE: {
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inout_gamepad->circle = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_SQUARE: {
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inout_gamepad->square = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_TRIANGLE: {
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inout_gamepad->triangle = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_OPTION: {
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inout_gamepad->option = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_SHARE: {
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inout_gamepad->share = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_L1: {
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inout_gamepad->l1 = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_R1: {
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inout_gamepad->r1 = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_L2_TRIGGER: {
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inout_gamepad->l2_trigger = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_R2_TRIGGER: {
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inout_gamepad->r2_trigger = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_L3: {
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inout_gamepad->l3 = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_R3: {
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inout_gamepad->r3 = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_L4: {
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inout_gamepad->l4 = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_R4: {
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inout_gamepad->r4 = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_L5: {
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inout_gamepad->l5 = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_R5: {
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inout_gamepad->r5 = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_BTN_TOUCHPAD: {
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inout_gamepad->touchpad_press = msg_payload->status.btn;
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break;
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}
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case GAMEPAD_LEFT_JOYSTICK_X: {
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inout_gamepad->joystick_positions[0][0] = msg_payload->status.joystick_pos;
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break;
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}
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case GAMEPAD_LEFT_JOYSTICK_Y: {
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inout_gamepad->joystick_positions[0][1] = msg_payload->status.joystick_pos;
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break;
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}
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case GAMEPAD_RIGHT_JOYSTICK_X: {
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inout_gamepad->joystick_positions[1][0] = msg_payload->status.joystick_pos;
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break;
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}
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case GAMEPAD_RIGHT_JOYSTICK_Y: {
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inout_gamepad->joystick_positions[1][1] = msg_payload->status.joystick_pos;
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break;
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}
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case GAMEPAD_DPAD_X: {
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const int8_t v = msg_payload->status.dpad;
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inout_gamepad->dpad &= 0xF0;
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if (v == 0) {
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inout_gamepad->dpad |= 0x00;
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} else if (v == 1) {
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inout_gamepad->dpad |= 0x01;
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} else if (v == -1) {
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inout_gamepad->dpad |= 0x02;
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}
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break;
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}
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case GAMEPAD_DPAD_Y: {
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const int8_t v = msg_payload->status.dpad;
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inout_gamepad->dpad &= 0x0F;
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if (v == 0) {
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inout_gamepad->dpad |= 0x00;
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} else if (v == 1) {
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inout_gamepad->dpad |= 0x20;
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} else if (v == -1) {
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inout_gamepad->dpad |= 0x10;
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}
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break;
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}
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default: {
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fprintf(stderr, "Unknown gamepad element: %d\n", msg_payload->element);
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break;
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}
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}
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}
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static void handle_incoming_message(
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const in_message_t *const msg,
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devices_status_t *const dev_stats
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) {
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if (msg->type == GAMEPAD_SET_ELEMENT) {
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handle_incoming_message_gamepad_set(&msg->data.gamepad_set, &dev_stats->gamepad);
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} else if (msg->type == GAMEPAD_ACTION) {
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handle_incoming_message_gamepad_action(&msg->data.action, &dev_stats->gamepad);
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}
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}
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int64_t get_timediff_usec(const struct timeval *const past, const struct timeval *const now) {
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struct timeval tdiff;
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timersub(now, past, &tdiff);
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//const int64_t sgn = ((now->tv_sec > past->tv_sec) || ((now->tv_sec == past->tv_sec) && (now->tv_usec > past->tv_usec))) ? -1 : +1;
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return (int64_t)(tdiff.tv_sec) * (int64_t)1000000 + (int64_t)(tdiff.tv_usec);
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}
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void *dev_out_thread_func(void *ptr) {
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dev_out_data_t *const dev_out = (dev_out_data_t*)ptr;
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// Initialize device
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devices_status_init(&dev_out->dev_stats);
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dev_out_gamepad_device_t current_gamepad = dev_out->gamepad;
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union {
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virt_dualshock_t ds4;
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virt_dualsense_t ds5;
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} controller_data;
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int current_gamepad_fd = -1;
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//int current_keyboard_fd = -1;
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//int current_mouse_fd = -1;
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if (current_gamepad == GAMEPAD_DUALSENSE) {
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const int ds5_init_res = virt_dualsense_init(&controller_data.ds5);
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if (ds5_init_res != 0) {
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fprintf(stderr, "Unable to initialize the DualSense device: %d\n", ds5_init_res);
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} else {
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current_gamepad_fd = virt_dualsense_get_fd(&controller_data.ds5);
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printf("DualSense initialized: fd=%d\n", current_gamepad_fd);
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}
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} else if (current_gamepad == GAMEPAD_DUALSHOCK) {
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const int ds4_init_res = virt_dualshock_init(&controller_data.ds4);
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if (ds4_init_res != 0) {
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fprintf(stderr, "Unable to initialize the DualShock device: %d\n", ds4_init_res);
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} else {
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current_gamepad_fd = virt_dualshock_get_fd(&controller_data.ds4);
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printf("DualShock initialized: fd=%d\n", current_gamepad_fd);
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}
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}
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struct timeval now = {0};
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gettimeofday(&now, NULL);
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struct timeval gamepad_last_hid_report_sent = now;
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//struct timeval mouse_last_hid_report_sent = now;
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//struct timeval keyboard_last_hid_report_sent = now;
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uint8_t tmp_buf[256];
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fd_set read_fds;
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for (;;) {
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gettimeofday(&now, NULL);
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int64_t gamepad_time_diff_usecs = get_timediff_usec(&gamepad_last_hid_report_sent, &now);
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if (gamepad_time_diff_usecs >= 1250) {
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gamepad_last_hid_report_sent = now;
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if (current_gamepad == GAMEPAD_DUALSENSE) {
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virt_dualsense_compose(&controller_data.ds5, &dev_out->dev_stats.gamepad, tmp_buf);
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virt_dualsense_send(&controller_data.ds5, tmp_buf);
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} else if (current_gamepad == GAMEPAD_DUALSHOCK) {
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virt_dualshock_compose(&controller_data.ds4, &dev_out->dev_stats.gamepad, tmp_buf);
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virt_dualshock_send(&controller_data.ds4, tmp_buf);
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}
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} else {
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FD_ZERO(&read_fds);
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if (dev_out->communication.type == ipc_unix_pipe) {
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FD_SET(dev_out->communication.endpoint.pipe.in_message_pipe_fd, &read_fds);
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} else if (dev_out->communication.type == ipc_server_sockets) {
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if (pthread_mutex_lock(&dev_out->communication.endpoint.ssocket.mutex) == 0) {
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for (int i = 0; i < MAX_CONNECTED_CLIENTS; ++i) {
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const int fd = dev_out->communication.endpoint.ssocket.clients[i];
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if (fd > 0) {
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FD_SET(fd, &read_fds);
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}
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}
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pthread_mutex_unlock(&dev_out->communication.endpoint.ssocket.mutex);
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}
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}
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// TODO: FD_SET(current_mouse_fd, &read_fds);
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// TODO: FD_SET(current_keyboard_fd, &read_fds);
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FD_SET(current_gamepad_fd, &read_fds);
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// calculate the shortest timeout between one of the multiple device will needs to send out its hid report
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struct timeval timeout = {
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.tv_sec = (__time_t)gamepad_time_diff_usecs / (__time_t)1000000,
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.tv_usec = (__suseconds_t)gamepad_time_diff_usecs % (__suseconds_t)1000000,
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};
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int ready_fds = select(FD_SETSIZE, &read_fds, NULL, NULL, &timeout);
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gamepad_status_qam_quirk_ext_time(&dev_out->dev_stats.gamepad, &now);
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if (ready_fds == -1) {
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const int err = errno;
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fprintf(stderr, "Error reading events for output devices: %d\n", err);
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continue;
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} else if (ready_fds == 0) {
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// timeout: do nothing but continue. next iteration will take care
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continue;
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}
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if (FD_ISSET(current_gamepad_fd, &read_fds)) {
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const uint64_t prev_leds_events_count = dev_out->dev_stats.gamepad.leds_events_count;
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const uint64_t prev_motors_events_count = dev_out->dev_stats.gamepad.rumble_events_count;
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out_message_t out_msgs[4];
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size_t out_msgs_count = 0;
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if (current_gamepad == GAMEPAD_DUALSENSE) {
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virt_dualsense_event(&controller_data.ds5, &dev_out->dev_stats.gamepad);
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} else if (current_gamepad == GAMEPAD_DUALSHOCK) {
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virt_dualshock_event(&controller_data.ds4, &dev_out->dev_stats.gamepad);
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}
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const uint64_t current_leds_events_count = dev_out->dev_stats.gamepad.leds_events_count;
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const uint64_t current_motors_events_count = dev_out->dev_stats.gamepad.rumble_events_count;
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if (current_leds_events_count != prev_leds_events_count) {
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const out_message_t msg = {
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.type = OUT_MSG_TYPE_LEDS,
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.data = {
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.leds = {
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.r = dev_out->dev_stats.gamepad.leds_colors[0],
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.g = dev_out->dev_stats.gamepad.leds_colors[1],
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.b = dev_out->dev_stats.gamepad.leds_colors[2],
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}
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}
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};
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out_msgs[out_msgs_count++] = msg;
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}
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if (current_motors_events_count != prev_motors_events_count) {
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const out_message_t msg = {
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.type = OUT_MSG_TYPE_RUMBLE,
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.data = {
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.rumble = {
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.motors_left = dev_out->dev_stats.gamepad.motors_intensity[0],
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.motors_right = dev_out->dev_stats.gamepad.motors_intensity[1],
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}
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}
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};
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out_msgs[out_msgs_count++] = msg;
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}
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// send out game-generated events to sockets
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int fd = -1;
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const size_t bytes_to_send = sizeof(out_message_t) * out_msgs_count;
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if (dev_out->communication.type == ipc_unix_pipe) {
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const int write_res = write(dev_out->communication.endpoint.pipe.out_message_pipe_fd, (void*)&out_msgs, bytes_to_send);
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if (write_res != bytes_to_send) {
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fprintf(stderr, "Error in writing out_message to out_message_pipe: %d\n", write_res);
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}
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} else if (dev_out->communication.type == ipc_server_sockets) {
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if (pthread_mutex_lock(&dev_out->communication.endpoint.ssocket.mutex) == 0) {
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for (int i = 0; i < MAX_CONNECTED_CLIENTS; ++i) {
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if (dev_out->communication.endpoint.ssocket.clients[i] > 0) {
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const int write_res = write(dev_out->communication.endpoint.ssocket.clients[i], (void*)&out_msgs, bytes_to_send);
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if (write_res != bytes_to_send) {
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fprintf(stderr, "Error in writing out_message to socket number %d: %d\n", i, write_res);
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close(dev_out->communication.endpoint.ssocket.clients[i]);
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dev_out->communication.endpoint.ssocket.clients[i] = -1;
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}
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}
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}
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pthread_mutex_unlock(&dev_out->communication.endpoint.ssocket.mutex);
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}
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}
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}
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// read and handle incoming data: this data is packed into in_message_t
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if (dev_out->communication.type == ipc_unix_pipe) {
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if (FD_ISSET(dev_out->communication.endpoint.pipe.in_message_pipe_fd, &read_fds)) {
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in_message_t incoming_message;
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const size_t in_message_pipe_read_res = read(dev_out->communication.endpoint.pipe.in_message_pipe_fd, (void*)&incoming_message, sizeof(in_message_t));
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if (in_message_pipe_read_res == sizeof(in_message_t)) {
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handle_incoming_message(&incoming_message, &dev_out->dev_stats);
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} else {
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fprintf(stderr, "Error reading from in_message_pipe_fd: got %zu bytes, expected %zu butes\n", in_message_pipe_read_res, sizeof(in_message_t));
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}
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}
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} else if (dev_out->communication.type == ipc_server_sockets) {
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if (pthread_mutex_lock(&dev_out->communication.endpoint.ssocket.mutex) == 0) {
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for (int i = 0; i < MAX_CONNECTED_CLIENTS; ++i) {
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const int fd = dev_out->communication.endpoint.ssocket.clients[i];
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if ((fd > 0) && (FD_ISSET(fd, &read_fds))) {
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in_message_t incoming_message;
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const size_t in_message_pipe_read_res = read(fd, (void*)&incoming_message, sizeof(in_message_t));
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if (in_message_pipe_read_res == sizeof(in_message_t)) {
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handle_incoming_message(&incoming_message, &dev_out->dev_stats);
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} else {
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fprintf(stderr, "Error reading from socket number %d: got %zu bytes, expected %zu butes\n", i, in_message_pipe_read_res, sizeof(in_message_t));
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close(dev_out->communication.endpoint.ssocket.clients[i]);
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dev_out->communication.endpoint.ssocket.clients[i] = -1;
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}
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}
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}
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pthread_mutex_unlock(&dev_out->communication.endpoint.ssocket.mutex);
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}
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}
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}
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}
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return NULL;
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}
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