From: jNullj <15849761+jNullj@users.noreply.github.com>
Date: Mon, 6 May 2024 21:39:12 +0000 (+0300)
Subject: Add pause functionality to replay
X-Git-Tag: v2.42-start~317^2~13
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3727ae82d577d87023741753cdc2e85c6965a72d;p=thirdparty%2Futil-linux.git

Add pause functionality to replay

Adds pause to replay_setup.
Adds functions to toggle and get pause state.
Adds stdin keys read - looks for space for pause toggle.
Adds replay pause to replay render loop.
---

diff --git a/term-utils/script-playutils.c b/term-utils/script-playutils.c
index 1dec1afc8..854d95252 100644
--- a/term-utils/script-playutils.c
+++ b/term-utils/script-playutils.c
@@ -8,6 +8,7 @@
 #include <math.h>
 #include <unistd.h>
 #include <sys/time.h>
+#include <stdbool.h>
 
 #include "c.h"
 #include "xalloc.h"
@@ -59,6 +60,7 @@ struct replay_setup {
 	size_t			nlogs;
 
 	struct replay_step	step;	/* current step */
+	bool pause;
 
 	FILE			*timing_fp;
 	const char		*timing_filename;
@@ -102,7 +104,10 @@ static inline void timerinc(struct timeval *a, struct timeval *b)
 
 struct replay_setup *replay_new_setup(void)
 {
-	return  xcalloc(1, sizeof(struct replay_setup));
+	struct replay_setup *ret;
+	ret = xcalloc(1, sizeof(struct replay_setup));
+	ret->pause = false;
+	return  ret;
 }
 
 void replay_free_setup(struct replay_setup *stp)
@@ -297,6 +302,17 @@ int replay_step_is_empty(struct replay_step *step)
 	return step->size == 0 && step->type == 0;
 }
 
+bool replay_get_is_paused(struct replay_setup *setup)
+{
+	assert(setup);
+	return setup->pause;
+}
+
+void replay_toggle_pause(struct replay_setup *setup)
+{
+	assert(setup);
+	setup->pause = !setup->pause;
+}
 
 static int read_multistream_step(struct replay_step *step, FILE *f, char type)
 {
diff --git a/term-utils/script-playutils.h b/term-utils/script-playutils.h
index 53b3fd287..f3bce5fe4 100644
--- a/term-utils/script-playutils.h
+++ b/term-utils/script-playutils.h
@@ -1,6 +1,8 @@
 #ifndef UTIL_LINUX_SCRIPT_PLAYUTILS_H
 #define UTIL_LINUX_SCRIPT_PLAYUTILS_H
 
+#include <stdbool.h>
+
 #include "c.h"
 #include "debug.h"
 
@@ -47,4 +49,7 @@ int replay_get_next_step(struct replay_setup *stp, char *streams, struct replay_
 
 int replay_emit_step_data(struct replay_setup *stp, struct replay_step *step, int fd);
 
+bool replay_get_is_paused(struct replay_setup *setup);
+void replay_toggle_pause(struct replay_setup *setup);
+
 #endif /* UTIL_LINUX_SCRIPT_PLAYUTILS_H */
diff --git a/term-utils/scriptreplay.c b/term-utils/scriptreplay.c
index ab3581eed..d08b87345 100644
--- a/term-utils/scriptreplay.c
+++ b/term-utils/scriptreplay.c
@@ -30,6 +30,8 @@
 #include <sys/time.h>
 #include <termios.h>
 #include <fcntl.h>
+#include <wchar.h>
+#include <stdbool.h>
 
 #include "c.h"
 #include "xalloc.h"
@@ -149,12 +151,14 @@ int
 main(int argc, char *argv[])
 {
 	static const struct timeval mindelay = { .tv_sec = 0, .tv_usec = 100 };
+	static const struct timeval inputDelay = { .tv_sec = 0, .tv_usec = 100000 };
 	struct timeval maxdelay;
 
 	int isterm;
 	int saved_flag;
 	struct termios saved;
 
+	wint_t c;
 	struct replay_setup *setup = NULL;
 	struct replay_step *step = NULL;
 	char streams[6] = {0};		/* IOSI - in, out, signal,info */
@@ -318,6 +322,19 @@ main(int argc, char *argv[])
 	isterm = setterm(&saved, &saved_flag);
 
 	do {
+		c = fgetwc(stdin);
+		switch (c) {
+			case ' ':
+				replay_toggle_pause(setup);
+				break;
+		}
+
+		if (replay_get_is_paused(setup))
+		{
+			delay_for(&inputDelay);
+			continue;
+		}
+		
 		rc = replay_get_next_step(setup, streams, &step);
 		if (rc)
 			break;