From 2d91cc4a3b22a1b417ca5f707f137b84262bb4ec Mon Sep 17 00:00:00 2001
From: Ludovic Pouzenc <ludovic@pouzenc.fr>
Date: Sun, 9 Oct 2011 12:33:48 +0000
Subject: On range tout le code actuel du trunk dans une branche nommée "0.x"
 et on crée une branche 1.x qui contiendra une nouvelle mouture
 (re-conception, méta info de packaging...).
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git-svn-id: file:///var/svn/2011-ddhardrescue/trunk@29 d3078510-dda0-49f1-841c-895ef4b7ec81
---
 src/recover.c | 128 ----------------------------------------------------------
 1 file changed, 128 deletions(-)
 delete mode 100644 src/recover.c

(limited to 'src/recover.c')

diff --git a/src/recover.c b/src/recover.c
deleted file mode 100644
index 2131542..0000000
--- a/src/recover.c
+++ /dev/null
@@ -1,128 +0,0 @@
-#include "recover.h"
-
-#include <errno.h>
-#include <stdio.h>
-#include <unistd.h> /* for usleep - to be removed */
-
-// Main algorithm for recover datas
-void recover(slices_evt_t *slicesEvt, char *src, char *dst, char *ddOpts) {
-	slice_t *sliceToRead;
-	address_t firstError=0, median, foundMax=0;
-	int res;
-
-	//sliceToRead=slicesEvt->data->first;
-	sliceToRead=slicesFindLargest(slicesEvt->data, S_UNKNOWN);
-	while (!end) { 
-		// try to recover sliceToRead and split it if read error
-		switch ( tryRecoverUntilError(sliceToRead, &firstError, src, dst, ddOpts) ) {
-			case 0:
-				// slice recovery has been executed without read error
-				sliceToRead->status=S_RECOVERED;
-				break;
-			case EIO:
-				// slice recovery has encountered a readerror
-				res=sliceEvtSplit(slicesEvt, sliceToRead, firstError, S_RECOVERED, S_UNREADABLE, S_UNKNOWN);
-				if (res<1) {
-					//TODO
-					printf("sliceEvtSplit return %d\n", res);
-					exit(5);
-				}
-				break;
-			default:
-				exit(2); //TODO
-		}
-
-		/* Now, search the largest S_UNKNOWN zone
-		 split it in two parts */
-		//sliceToRead=slicesFindLargest(slices, S_UNKNOWN);
-		sliceToRead=slicesFindLargestFast(slicesEvt->data, &foundMax, S_UNKNOWN, foundMax, sliceToRead->next);
-		if ( sliceToRead == NULL ) {
-			// There is nothing more to recover, bailout
-			end=1;
-			continue;
-		}
-			
-
- 		median=(sliceToRead->begin+sliceToRead->end)/2;
-		res=sliceEvtSplit(slicesEvt, sliceToRead, median, S_UNKNOWN, S_UNKNOWN, S_UNKNOWN);
-		switch (res) {
-			case 1:
-				// No split, try analyse this zone
-				// Should be a slice of length 1
-				break;
-			case 2:
-				/* After splitting an S_UNKNOWN zone in two parts
-				   take the second for further analysis.
-				   We already now that this first one is just preceded by
-				   a read error, and errors are frequently grouped in zones,
-				   so trying to read a sector just after a faulty sector is
-				   most likely a waste of time.
-				*/
-				sliceToRead=sliceToRead->next; 
-				break;
-			case 3:
-				// Internal error of sliceSlpit because this set of parameters prevent split by 3
-				exit(6); // TODO
-				break;
-			case -1:
-				// Memory error
-				exit(5); //TODO
-				break;
-			default:
-				// API error, all necessary cases are already listed
-				exit(7); // TODO
-			}
-	}
-}
-
-// Method tha read source (and clone to dest) until the first read error
-int tryRecoverUntilError(slice_t *sliceToRead, address_t *firstError, char *src, char *dst, char*ddOpts) {
-	//TODO : implement realy that
-	//TODO : bail out hardly if WRITE error (on dest)
-
-//	char ddinvocation[256];
-	int res;
-	address_t seek, count;
-
-	seek=sliceToRead->begin;
-	count=sliceToRead->end - seek + 1;
-//	res=snprintf(ddinvocation, 255, "dd %s %s %s seek=%lld skip=%lld count=%lld", src, dst, ddOpts, seek, seek, count);
-//TODO : listener to put that info on the interface	puts(ddinvocation);
-
-/*
-	// Simulate that we have systematically a read error at first sector
-	*firstError=sliceToRead->begin;
-	res=EIO;
-*/
-/*
-	// Simulate that we have systematically a read error at last sector
-	*firstError=sliceToRead->end;
-	res=EIO;
-*/
-/*
-	// Simulate that we have systematically a read error at first sector
-	// Simulate for each read, tha we have an error just in the middle if read for mor than one sector
-	if ( sliceToRead->begin == sliceToRead->end ) {
-		res=0;
-	} else {
-		*firstError=(sliceToRead->begin + sliceToRead->end)/2;
-		res=EIO;
-	}
-*/
-
-	// Simulate for each read a pseudo random error position and generate some cases of full read without error
-	//address_t error=sliceToRead->begin + rand()%(count);
-	address_t error=sliceToRead->begin + rand()%(count/3);
-	if ( error % 42 == 0 ) {
-		res=0;
-	} else {
-		res=EIO;
-		*firstError=error;
-	}
-
-	// Keep things humanly understandable (to be removed when real reads will be done)
-	//usleep(10000);
-
-	return res;
-}
-
-- 
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