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#include <stdint.h>
#include <stdio.h>
#include <stdarg.h>
#include "global_defs.h"
#include <stdbool.h>
#include <sys/mman.h>
void open_wii(int* controller_event_fptrs, uint64_t* connected_controllers, int choice) {
//Determine if WII REMOTE is connected via bluetooth
int wii[4] = { 0 };
FILE* wii_pipe = popen("cat /proc/bus/input/devices | \
grep -A 5 \"^I: Bus=0005 Vendor=057e Product=0306\" | \
grep \"event\" | \
cut -d 't' -f2 | \
cut -d ' ' -f1 | \
paste - -s", \
"r");
fscanf(wii_pipe, "%2d %2d %2d %2d", &wii[GYRO], &wii[IR], &wii[BUTTONS], &wii[NUNCHUK]);
if ( wii[GYRO] != 0 && wii[IR] != 0 && wii[BUTTONS] != 0) {
//wii is connected, create strings of event PATHS, open event files
char wii_events[NUM_EVENTS_WII][26];
snprintf(wii_events[GYRO], 25, "/dev/input/event%d", wii[GYRO]);
snprintf(wii_events[IR], 25, "/dev/input/event%d", wii[IR]);
snprintf(wii_events[BUTTONS], 25, "/dev/input/event%d", wii[BUTTONS]);
controller_event_fptrs[WII_GYRO] = open(wii_events[GYRO], O_RDONLY);
controller_event_fptrs[WII_IR] = open(wii_events[IR], O_RDONLY);
controller_event_fptrs[WII_BUTTONS] = open(wii_events[BUTTONS], O_RDONLY);
//tell user and program that this device is available for use
*connected_controllers |= NINTENDO_GYRO_IR_AND_BUTTONS;
if (choice) {
fprintf(stderr, "%4d: NINTENDO WII GYRO\n", NINTENDO_GYRO_BIT);
fprintf(stderr, "%4d: NINTENDO WII IR \n", NINTENDO_IR_BIT);
fprintf(stderr, "%4d: NINTENDO WII BUTTONS\n", NINTENDO_BUTTONS_BIT);
fprintf(stderr, "%4d: NINTENDO WII GYRO AND IR\n", NINTENDO_GYRO_AND_IR);
fprintf(stderr, "%4d: NINTENDO WII GYRO AND BUTTONS\n", NINTENDO_GYRO_AND_BUTTONS);
fprintf(stderr, "%4d: NINTENDO WII IR AND BUTTONS\n", NINTENDO_IR_AND_BUTTONS);
fprintf(stderr, "%4d: NINTENDO WII GYRO AND IR AND BUTTONS\n", NINTENDO_GYRO_IR_AND_BUTTONS);
}
//NUNCHUK CONNECTED?
if (wii[NUNCHUK] != 0) {
*connected_controllers |= NINTENDO_ALL_BITS;
snprintf(wii_events[NUNCHUK], 25, "/dev/input/event%d", wii[NUNCHUK]);
controller_event_fptrs[WII_NUNCHUK] = open(wii_events[NUNCHUK], O_RDONLY);
if (choice) {
fprintf(stderr, "%4d: NINTENDO WII NUNCHUK\n", NINTENDO_NUNCHUK_BIT);
fprintf(stderr, "%4d: NINTENDO WII GYRO AND NUNCHUK\n", NINTENDO_GYRO_AND_NUNCHUK);
fprintf(stderr, "%4d: NINTENDO WII IR AND NUNCHUK\n", NINTENDO_IR_AND_NUNCHUK);
fprintf(stderr, "%4d: NINTENDO WII BUTTONS AND NUNCHUK\n", NINTENDO_BUTTONS_AND_NUNCHUK);
fprintf(stderr, "%4d: NINTENDO WII GYRO AND IR AND NUNCHUK\n", NINTENDO_GYRO_IR_AND_NUNCHUK);
fprintf(stderr, "%4d: NINTENDO WII GYRO AND BUTTONS AND NUNCHUK\n", NINTENDO_GYRO_BUTTONS_AND_NUNCHUK);
fprintf(stderr, "%4d: NINTENDO WII IR AND BUTTONS AND NUNCHUK\n", NINTENDO_IR_BUTTONS_AND_NUNCHUK);
fprintf(stderr, "%4d: ALL NINTENDO BT\n", NINTENDO_ALL_BITS);
}
}
}
}
void open_ps4_bt(int* controller_event_fptrs, uint64_t* connected_controllers, int choice) {
int ps4[NUM_EVENTS_PS4] = { 0 };
FILE* ps4_bt_pipe = popen("cat /proc/bus/input/devices | grep -A 5 \"^I: Bus=0005 Vendor=054c Product=09cc\" | grep \"event\" | cut -d 't' -f2 | paste - -s", "r");
fscanf(ps4_bt_pipe, "%2d %2d %2d", &ps4[TOUCHPAD], &ps4[GYRO], &ps4[BUTTONS]);
if ( ps4[TOUCHPAD] != 0 && ps4[GYRO] != 0 && ps4[BUTTONS] != 0) {
char ps4_events[NUM_EVENTS_PS4][26];
snprintf(ps4_events[TOUCHPAD], 25, "/dev/input/event%d", ps4[TOUCHPAD]);
snprintf(ps4_events[GYRO], 25, "/dev/input/event%d", ps4[GYRO]);
snprintf(ps4_events[BUTTONS], 25, "/dev/input/event%d", ps4[BUTTONS]);
controller_event_fptrs[PS4_BT_TOUCH] = open(ps4_events[TOUCHPAD], O_RDONLY);
controller_event_fptrs[PS4_BT_GYRO] = open(ps4_events[GYRO], O_RDONLY);
controller_event_fptrs[PS4_BT_BUTTONS] = open(ps4_events[BUTTONS], O_RDONLY);
*connected_controllers |= PS4_BT_ALL_BITS;
if (choice) {
fprintf(stderr, "%4d: PS4 BT TOUCH \n", PS4_BT_TOUCH_BIT);
fprintf(stderr, "%4d: PS4 BT GYRO\n", PS4_BT_GYRO_BIT);
fprintf(stderr, "%4d: PS4 BT BUTTONS\n", PS4_BT_BUTTONS_BIT);
fprintf(stderr, "%4d: PS4 BT TOUCH AND GYRO \n", PS4_BT_TOUCH_AND_GYRO);
fprintf(stderr, "%4d: PS4 BT TOUCH AND BUTTONS\n", PS4_BT_TOUCH_AND_BUTTONS);
fprintf(stderr, "%4d: PS4 BT GYRO AND BUTTONS\n", PS4_BT_GYRO_AND_BUTTONS);
fprintf(stderr, "%4d: ALL PS4 BT\n", PS4_BT_ALL_BITS);
}
}
}
void open_ps4_wired(int* controller_event_fptrs, uint64_t* connected_controllers, int choice) {
int ps4[NUM_EVENTS_PS4] = { 0 };
FILE* ps4_wired_pipe = popen("cat /proc/bus/input/devices | grep -A 5 \"^I: Bus=0003 Vendor=054c Product=09cc\" | grep \"event\" | cut -d 't' -f2 | paste - -s", "r");
fscanf(ps4_wired_pipe, "%2d %2d %2d", &ps4[TOUCHPAD], &ps4[GYRO], &ps4[BUTTONS]);
if ( ps4[TOUCHPAD] != 0 && ps4[GYRO] != 0 && ps4[BUTTONS] != 0) {
char ps4_events[NUM_EVENTS_PS4][26];
snprintf(ps4_events[TOUCHPAD], 25, "/dev/input/event%d", ps4[TOUCHPAD]);
snprintf(ps4_events[GYRO], 25, "/dev/input/event%d", ps4[GYRO]);
snprintf(ps4_events[BUTTONS], 25, "/dev/input/event%d", ps4[BUTTONS]);
controller_event_fptrs[PS4_WIRED_TOUCH] = open(ps4_events[TOUCHPAD], O_RDONLY);
controller_event_fptrs[PS4_WIRED_GYRO] = open(ps4_events[GYRO], O_RDONLY);
controller_event_fptrs[PS4_WIRED_BUTTONS] = open(ps4_events[BUTTONS], O_RDONLY);
*connected_controllers |= PS4_WIRED_ALL_BITS;
if (choice) {
fprintf(stderr, "%4d: PS4 WIRED TOUCH \n", PS4_WIRED_TOUCH_BIT);
fprintf(stderr, "%4d: PS4 WIRED GYRO\n", PS4_WIRED_GYRO_BIT);
fprintf(stderr, "%4d: PS4 WIRED BUTTONS\n", PS4_WIRED_BUTTONS_BIT);
fprintf(stderr, "%4d: PS4 WIRED TOUCH AND GYRO \n", PS4_WIRED_TOUCH_AND_GYRO);
fprintf(stderr, "%4d: PS4 WIRED TOUCH AND BUTTONS\n", PS4_WIRED_TOUCH_AND_BUTTONS);
fprintf(stderr, "%4d: PS4 WIRED GYRO AND BUTTONS\n", PS4_WIRED_GYRO_AND_BUTTONS);
fprintf(stderr, "%4d: ALL PS4 WIRED\n", PS4_WIRED_ALL_BITS);
}
}
}
void open_steam(int* controller_event_fptrs, uint64_t* connected_controllers, int choice) {
int steam_event_number = 0;
FILE* steam_pipe = popen("cat /proc/bus/input/devices | grep -A 5 \"^I: Bus=0003 Vendor=28de Product=1102\" | tail -n 6 | grep \"event\" | cut -d \"t\" -f2", "r");
fscanf(steam_pipe, "%2d", &steam_event_number);
if ( steam_event_number != 0) {
char steam_event_string[26];
snprintf(steam_event_string, 25, "/dev/input/event%d", steam_event_number);
controller_event_fptrs[VALVE_STEAM] = open(steam_event_string, O_RDONLY);
*connected_controllers |= STEAM_BIT;
if (choice) {
fprintf(stderr, "%4d: STEAM \n", STEAM_BIT);
}
}
}
void open_xbox_360(int* controller_event_fptrs, uint64_t* connected_controllers, int choice) {
int xbox_360_event_number = 0;
FILE* xbox_360_pipe = popen("cat /proc/bus/input/devices | grep -A 5 \"^I: Bus=0003 Vendor=045e Product=02a1\" | tail -n1 | cut -d \"t\" -f2", "r");
fscanf(xbox_360_pipe, "%2d", &xbox_360_event_number);
if ( xbox_360_event_number != 0) {
char xbox_360_event_string[26];
snprintf(xbox_360_event_string, 25, "/dev/input/event%d", xbox_360_event_number);
controller_event_fptrs[XBOX_360] = open(xbox_360_event_string, O_RDONLY);
*connected_controllers |= XBOX_360_BIT;
if (choice) {
fprintf(stderr, "%4d: XBOX 360 \n", XBOX_360_BIT);
}
}
}
void close_unneeded_files(int num_exceptions, int controller_event_fptrs[], ...) {
int* events_to_skip = (int *) malloc(sizeof(int) * num_exceptions);
va_list list_of_args;
va_start(list_of_args, controller_event_fptrs);
//get arguments
for (int i = 0; i < num_exceptions; ++i) {
events_to_skip[i] = va_arg(list_of_args, int);
}
//close all but the provided arguments
for (int i = 0; i < NUM_EVENTS; ++i) {
for (int j = 0; j < num_exceptions; ++j) {
if (i == events_to_skip[j]) {
goto SKIP_CLOSE;
}
}
close(controller_event_fptrs[i]);
SKIP_CLOSE:
}
}
void print_one_event(int controller_event_fptrs[], int index, int event_number) {
struct input_event event1;
int event_size = sizeof(struct input_event);
size_t start_sec;
int initial_read = read(controller_event_fptrs[index], &event1, event_size);
if (initial_read == -1) {
fprintf(stderr, "PROBLEM READING FILE!\n");
exit(-1);
}
char buffer[BUFSIZE+1] = {0};
start_sec = event1.time.tv_sec;
while (read(controller_event_fptrs[index], &event1, event_size) != -1) {
if (event1.type == 0) continue;
/*
printf("%d %lu.%06lu %d %3d %11d\n",
event_number,
(unsigned long) event1.time.tv_sec - start_sec,
(unsigned long) event1.time.tv_usec,
event1.type,
event1.code,
event1.value);
*/
///*
snprintf(buffer, BUFSIZE, "%d %lu.%06lu %d %3d %11d\n",
event_number,
(unsigned long) event1.time.tv_sec - start_sec,
(unsigned long) event1.time.tv_usec,
event1.type,
event1.code,
event1.value);
write(STDOUT_FILENO, buffer, sizeof(buffer));
//*/
}
fprintf(stderr, "DISCONNECTED\n");
}
void print_multiple_events(int num_exceptions, int controller_event_fptrs[], ...) {
pid_t pids[num_exceptions];
//set all pids to -1 at start
for (int i = 0; i < num_exceptions; ++i) { pids[i] = -1; }
//get all the variadic pairs sent in and store them in an array of the appropriate size
struct event_pairs pairs[num_exceptions];
va_list list_of_args;
va_start(list_of_args, controller_event_fptrs);
for (int i = 0; i < num_exceptions; ++i) {
pairs[i] = va_arg(list_of_args, struct event_pairs);
}
//prepare to start printing inputs
struct input_event event[num_exceptions];
int event_size = sizeof(struct input_event);
int read_time = read(controller_event_fptrs[pairs[0].event_fptr_index], &event[0], event_size); //set a start_sec variable to be used across processes for consistent time
if (read_time == -1) {
fprintf(stderr, "PROBLEM READING FILE FOR TIME!\n");
exit(-1);
}
unsigned long start_sec = event[0].time.tv_sec;
//create shared memory to hold the value of the microseconds to be shared among all of the forked processes
unsigned long* shared_usec = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
//create the amount of processes appropriate to the number of events to print
for (int i = 0; i < num_exceptions - 1; ++i) {
pids[i] = fork();
if (pids[i] == 0) break;
}
//mark the parent
bool isParent = true;
for (int i = 0; i < num_exceptions; ++i) {
if (pids[i] == 0) isParent &= false;
}
//find and run code just for the parent process (first event (a.k.a. index 0))
if (isParent) {
char buffer[BUFSIZE+1];
int initial_read = read(controller_event_fptrs[pairs[0].event_fptr_index], &event[0], event_size);
if (initial_read == -1) {
fprintf(stderr, "PROBLEM READING FILE!\n");
exit(-1);
}
while (read(controller_event_fptrs[pairs[0].event_fptr_index], &event[0], event_size) != -1) {
*shared_usec = event[0].time.tv_usec;
if (event[0].type == 0) continue;
/*
printf("%d %lu.%-6lu %d %3d %11d\n",
pairs[0].event_user_num,
event[0].time.tv_sec - start_sec,
*shared_usec,
event[0].type,
event[0].code,
event[0].value);
*/
///*
snprintf(buffer, BUFSIZE, "%d %lu.%-6lu %d %3d %11d\n",
pairs[0].event_user_num,
event[0].time.tv_sec - start_sec,
event[0].time.tv_usec,
event[0].type,
event[0].code,
event[0].value);
write(STDOUT_FILENO, buffer, sizeof(buffer));
//*/
}
fprintf(stderr, "DISCONNECTED\n");
}
//find the child process(es) and run the correct code for each (event #2 onwards) (a.k.a. index 1+))
//sleep(1); find a way to make sure the time is consistent...shared memory using mmap(NULL, PAGESIZE, PROT_READ | PROT_WRITE); for time? ???
for (int i = 0; i < num_exceptions; ++i) {
if (pids[i] == 0) {
//printf("Im child #%d.\n", i + 1);
//put the rest of the code in here?
char buffer[BUFSIZE+1];
int initial_read = read(controller_event_fptrs[pairs[i+1].event_fptr_index], &event[i+1], event_size);
if (initial_read == -1) {
fprintf(stderr, "PROBLEM READING FILE!\n");
exit(-1);
}
while (read(controller_event_fptrs[pairs[i+1].event_fptr_index], &event[i+1], event_size) != -1) {
if (event[i+1].type == 0) continue;
/*
printf("%d %zu.%-6zu %d %3d %11d\n",
pairs[i+1].event_user_num,
event[i+1].time.tv_sec - start_sec,
*shared_usec,
//event[i+1].time.tv_usec,
event[i+1].type,
event[i+1].code,
event[i+1].value);
*/
///*
snprintf(buffer, BUFSIZE, "%d %zu.%-6zu %d %3d %11d\n",
pairs[i+1].event_user_num,
event[i+1].time.tv_sec - start_sec,
event[i+1].time.tv_usec,
event[i+1].type,
event[i+1].code,
event[i+1].value);
write(STDOUT_FILENO, buffer, sizeof(buffer));
//*/
}
fprintf(stderr, "DISCONNECTED\n");
}
}
}
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