From 038cca642bc8627162bdf50b132396595f9f73ea Mon Sep 17 00:00:00 2001
From: Clay Smith <claysmith158@gmail.com>
Date: Wed, 1 Feb 2023 18:48:57 -0600
Subject: Done minux adding new controllers?

---
 handle_devices.c | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 74 insertions(+), 1 deletion(-)

(limited to 'handle_devices.c')

diff --git a/handle_devices.c b/handle_devices.c
index 3a746bb..2164cec 100644
--- a/handle_devices.c
+++ b/handle_devices.c
@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <stdarg.h>
 #include "global_defs.h"
+#include <stdbool.h>
 
 void open_wii(int* controller_event_fptrs, uint64_t* connected_controllers) {
 	//Determine if WII REMOTE is connected via bluetooth
@@ -107,7 +108,6 @@ void open_xbox_360(int* controller_event_fptrs, uint64_t* connected_controllers)
 
 
 void close_unneeded_files(int num_exceptions, int controller_event_fptrs[], ...) {
-	//int events_to_skip[num_exceptions] = { -1 };
 	int* events_to_skip = (int *) malloc(sizeof(int) * num_exceptions);
 	va_list list_of_args;
 	va_start(list_of_args, controller_event_fptrs);
@@ -150,3 +150,76 @@ void print_one_event(int controller_event_fptrs[], int index, int event_number)
 	}
 	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); 
+	//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) {
+		//printf("\nIm the parent, pid: %d\n", getpid());
+		//put the code you want the parent to run here?
+		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);
+		}
+		size_t start_sec = event[0].time.tv_sec;
+		while (read(controller_event_fptrs[pairs[0].event_fptr_index], &event[0], event_size) != -1) {
+			if (event[0].type == 0) continue;
+			printf("%d  %zu.%-6zu  %d  %3d  %9d\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); 
+		}
+		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);
+	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?
+			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);
+			}
+			size_t start_sec = event[i+1].time.tv_sec;
+			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  %9d\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); 
+			}
+			fprintf(stderr, "DISCONNECTED\n");
+		}
+	}
+}
-- 
cgit v1.2.1