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Implement detection of updates.

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This commit is contained in:
Andreas Schneider 2008-04-30 16:24:50 +02:00
parent b9c3009445
commit 25e300c462
1 changed files with 31 additions and 0 deletions
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31
src/csync_update.c
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@ -32,7 +32,9 @@
#include "csync_private.h"
#include "csync_exclude.h"
#include "csync_journal.h"
#include "csync_update.h"
#include "csync_util.h"
#include "vio/csync_vio.h"
@ -44,6 +46,7 @@ static int csync_detect_update(CSYNC *ctx, const char *file, const csync_vio_fil
size_t len;
const char *path = NULL;
csync_file_stat_t *st = NULL;
csync_file_stat_t *tmp = NULL;
if ((file == NULL) || (fs == NULL)) {
errno = EINVAL;
@ -90,6 +93,32 @@ static int csync_detect_update(CSYNC *ctx, const char *file, const csync_vio_fil
}
if (ctx->journal.exists) {
tmp = csync_journal_get_stat_by_hash(ctx, h);
if (tmp == NULL) {
/* check if the file has been renamed */
if (ctx->current == LOCAL_REPLICA) {
tmp = csync_journal_get_stat_by_inode(ctx, fs->inode);
if (tmp == NULL) {
/* file not found in journal */
st->instruction = CSYNC_INSTRUCTION_NEW;
goto out;
} else {
/* inode found so the file has been renamed */
st->instruction = CSYNC_INSTRUCTION_RENAME;
goto out;
}
}
/* remote and file not found in journal */
st->instruction = CSYNC_INSTRUCTION_NEW;
goto out;
} else {
/* we have an update! */
if (fs->mtime > tmp->modtime) {
st->instruction = CSYNC_INSTRUCTION_SYNC;
goto out;
}
/* FIXME: check mode too? */
}
st->instruction = CSYNC_INSTRUCTION_NONE;
} else {
st->instruction = CSYNC_INSTRUCTION_NEW;
@ -97,6 +126,8 @@ static int csync_detect_update(CSYNC *ctx, const char *file, const csync_vio_fil
}
out:
CSYNC_LOG(CSYNC_LOG_PRIORITY_DEBUG, " instruction:\t%s", csync_instruction_str(st->instruction));
SAFE_FREE(tmp);
st->inode = fs->inode;
st->mode = fs->mode;
st->modtime = fs->mtime;