From d93fcbb20d2a452d78b831210c1d8e3ef381602e Mon Sep 17 00:00:00 2001
From: Ludovic Pouzenc <ludovic@pouzenc.fr>
Date: Sat, 14 May 2011 19:40:49 +0000
Subject: Ajout cursesUpdateSliceDump() et initialisation du mutex pour
 l'ventListener (cf commit précédent
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git-svn-id: file:///var/svn/2011-ddhardrescue/trunk@16 d3078510-dda0-49f1-841c-895ef4b7ec81
---
 src/ddhardrescue.c | 112 ++++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 77 insertions(+), 35 deletions(-)

diff --git a/src/ddhardrescue.c b/src/ddhardrescue.c
index de89c26..ba6781e 100644
--- a/src/ddhardrescue.c
+++ b/src/ddhardrescue.c
@@ -9,10 +9,10 @@
 #include "recover.h"
 #include "utils.h"
 
-
+// Global variable shared by all threads to say "finish current operation and go away"
 int end=0;
-//FIXME remove me, only for tests
-unsigned long c=0;
+WINDOW *winUpdateSliceDump=NULL;
+static pthread_mutex_t ncursesWriteMutex = PTHREAD_MUTEX_INITIALIZER;
 
 struct threadArgs {
 	struct progArgs *progArgs;
@@ -24,18 +24,7 @@ void sigHookAbrt() {
 	end=1;
 }
 
-/*TODO : remove that when procViewer is done
-void dumper(slices_evt_t *slicesEvt, slice_t *modifiedSlice) {
-	address_t blockSize=0;
-	char *dump;
-	dump=slicesDump(slicesEvt->data, &blockSize, 3000, 0, 21474836480ULL);
-	system("clear");
-	puts(dump);
-	free(dump);
-
-}
-*/
-
+// Main procedures of each thread
 void *procWorker(void *a);
 void *procViewer(void *a);
 
@@ -76,8 +65,7 @@ int main(int argc, char **argv) {
 	// Data structure initialization
 	memset(&slices, 0, sizeof(slices));
 	slices.data=slicesNewSingleton(args.beginSector, args.endSector, S_UNKNOWN);
-//	slices.eventListener=dumper;
-	res=pthread_mutex_init(&(slices.mutex), NULL);
+	res=pthread_mutex_init(&(slices.eventListenerMutex), NULL);
 	if (res!=0) {
 		return 3;
 	}
@@ -87,6 +75,7 @@ int main(int argc, char **argv) {
 	tArgs.progArgs=&args;
 	tArgs.slices=&slices;
 
+
 	res=pthread_create(&tWorker, NULL, procWorker, &tArgs);
 	if (res!=0) {
 		return 4;
@@ -98,18 +87,20 @@ int main(int argc, char **argv) {
 	// Thread join point
 	(void) pthread_join(tWorker, NULL);
 
-	/*Final dump of datas	
+	//Final dump of datas	
 	address_t blockSize=0;
 	char *dump;
 	dump=slicesDump(slices.data, &blockSize, 1000, args.beginSector, args.endSector);
-	puts(dump);
-	free(dump);
+	if (dump != NULL) {
+		puts(dump);
+		free(dump);
+	}
 	printf("blockSize==%lld\n", blockSize);
 	printf("slices->count==%d\n", slices.data->count);
-	*/
+	
 
 	//Resources desallocation
-	(void) pthread_mutex_destroy(&(slices.mutex));
+	(void) pthread_mutex_destroy(&(slices.eventListenerMutex));
 
 	slice_t *curr, *toFree;
 	i=0; curr=slices.data->first;
@@ -124,7 +115,7 @@ int main(int argc, char **argv) {
 	return 0;
 }
 
-void * procWorker(void *a) {
+void *procWorker(void *a) {
 	struct threadArgs *tArgs = (struct threadArgs *)a;
 
 	recover(
@@ -137,34 +128,85 @@ void * procWorker(void *a) {
 	return a;
 }
 
+void cursesUpdateSliceDump(slices_evt_t *slicesEvt, slice_t *modifiedSlice) {
+//	char *strProgress="|/-\\";
+//	static int progress=0;
+	char *toPrint;
+	address_t blockSize=0;
+
+//FIXME : do that realy
+	pthread_mutex_lock(&ncursesWriteMutex);
+
+
+	toPrint=slicesDump(slicesEvt->data, &blockSize, 1000, 0, 1000);
+	if (toPrint != NULL) {
+		attron(COLOR_PAIR(4));
+		mvwprintw(winUpdateSliceDump, 1, 0, toPrint);
+//		attroff(COLOR_PAIR(4));
+
+		update_panels();
+		doupdate();
+
+		free(toPrint);
+	}
+
+/*	sprintf(toPrint, "%c - %p %p", strProgress[progress], slicesEvt, modifiedSlice);
+	progress=(progress+1)%strlen(strProgress);
+*/
+	pthread_mutex_unlock(&ncursesWriteMutex);
+}
+
 #define CURSESWIN_COUNT 3
 void *procViewer(void *a) {
 	WINDOW *wins[CURSESWIN_COUNT];
 	PANEL  *panels[CURSESWIN_COUNT];
-	int ch;
-	//struct threadArgs *tArgs = (struct threadArgs *)a;
+	int ch, i;
+	char str[2];
+	struct threadArgs *tArgs = (struct threadArgs *)a;
+
 
 	cursesInit(wins, panels, CURSESWIN_COUNT);
 
-	/* Show it on the screen */
-	attron(COLOR_PAIR(4));
-	mvprintw(LINES - 2, 0, "Use tab to browse through the windows (F2 to Exit)");
-	attroff(COLOR_PAIR(4));
+	wattron(wins[CURSESWIN_COUNT-1], COLOR_PAIR(4));
+	mvwprintw(wins[CURSESWIN_COUNT-1], 1, 0, "(F2 to Exit)");
+//	wattroff(wins[CURSESWIN_COUNT-1], COLOR_PAIR(4));
+	
+	update_panels();
 	doupdate();
 
+	/* Enable worker listener */
+	//FIXME : check pointers ?
+	winUpdateSliceDump=wins[1];
+	tArgs->slices->eventListener=cursesUpdateSliceDump;
+
 	while((ch = getch()) != KEY_F(2)) {
+
+		pthread_mutex_lock(&ncursesWriteMutex);
+		
 		switch(ch) {
-			case 1:
-			case 2:
-			case 3:
-				top_panel(panels[ch]);
+			case '1':
+			case '2':
+			case '3':
+				str[0]=ch; str[1]='\0';  // int (ascii value+flags) to string
+				i=strtol(str, (char **)NULL, 10); // string to real integer
+				if (i>0 && i<=CURSESWIN_COUNT) {
+					top_panel(panels[i-1]);
+					update_panels();
+				}
 				break;
 		}
 	
-		update_panels();
 		doupdate();
+
+		pthread_mutex_unlock(&ncursesWriteMutex);
 	}
-	endwin();
+
+	pthread_mutex_lock(&(tArgs->slices->eventListenerMutex));
+	tArgs->slices->eventListener=NULL;
+	pthread_mutex_unlock(&(tArgs->slices->eventListenerMutex));
+
+	end=1;
+	cursesUnInit(wins, panels, CURSESWIN_COUNT);
 
 	return a;
 }
-- 
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