mirror of
https://github.com/nextcloud/desktop.git
synced 2024-11-26 23:28:14 +03:00
Owncloud: cache the last PROPFIND call.
So we do not need to have two calls (stat+opendir)
This commit is contained in:
Olivier Goffart
parent
c4dc285ff0
commit
f946dd4287
2 changed files with 192 additions and 196 deletions
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@ -93,10 +93,38 @@ struct listdir_context {
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struct resource *list; /* The list of result resources */
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struct resource *currResource; /* A pointer to the current resource */
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char *target; /* Request-URI of the PROPFIND */
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unsigned int include_target; /* Do you want the uri in the result list? */
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unsigned int result_count; /* number of elements stored in list */
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int ref; /* reference count, only destroy when it reaches 0 */
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};
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/*
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* free the fetchCtx
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*/
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static void free_fetchCtx( struct listdir_context *ctx )
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{
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struct resource *newres, *res;
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if( ! ctx ) return;
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newres = ctx->list;
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res = newres;
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ctx->ref--;
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if (ctx->ref > 0) return;
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SAFE_FREE(ctx->target);
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while( res ) {
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SAFE_FREE(res->uri);
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SAFE_FREE(res->name);
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SAFE_FREE(res->md5);
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newres = res->next;
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SAFE_FREE(res);
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res = newres;
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}
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SAFE_FREE(ctx);
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}
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/*
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* context to store info about a temp file for GET and PUT requests
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* which store the data in a local file to save memory and secure the
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@ -148,11 +176,14 @@ static const ne_propname ls_props[] = {
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struct dav_session_s dav_session; /* The DAV Session, initialised in dav_connect */
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int _connected = 0; /* flag to indicate if a connection exists, ie.
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the dav_session is valid */
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csync_vio_file_stat_t _fs;
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csync_auth_callback _authcb;
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csync_progress_callback _progresscb;
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struct listdir_context *propfind_cache = 0;
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csync_vio_file_stat_t _stat_cache;
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#define PUT_BUFFER_SIZE 1024*5
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@ -306,6 +337,7 @@ static int verify_sslcert(void *userdata, int failures,
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(void) userdata;
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(void) cert;
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(void) userdata;
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memset( problem, 0, LEN );
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addSSLWarning( problem, "There are problems with the SSL certificate:\n", LEN );
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@ -565,7 +597,6 @@ static void ne_notify_status_cb (void *userdata, ne_session_status status,
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const ne_session_status_info *info)
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{
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struct transfer_context *tc = (struct transfer_context*) userdata;
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// DEBUG_WEBDAV("ne_notify_status %i %s %ld %ld\n", status, tc->clean_uri, info->sr.progress, info->sr.total);
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if (_progresscb && (status == ne_status_sending || status == ne_status_recving))
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_progresscb(tc->clean_uri, CSYNC_NOTIFY_PROGRESS, info->sr.progress, info->sr.total, dav_session.userdata);
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@ -783,13 +814,6 @@ static void results(void *userdata,
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const ne_status *status = NULL;
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char *path = ne_path_unescape( uri->path );
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/* It seems strange: first uri->path is unescaped to escape it in the next step again.
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* The reason is that uri->path is not completely escaped (ie. it seems only to have
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* spaces escaped), while the fetchCtx->target is fully escaped.
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* See http://bugs.owncloud.org/thebuggenie/owncloud/issues/oc-613
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*/
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char *escaped_path = ne_path_escape( path );
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(void) status;
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if( ! fetchCtx ) {
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DEBUG_WEBDAV("No valid fetchContext");
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@ -801,16 +825,6 @@ static void results(void *userdata,
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return;
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}
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/* see if the target should be included in the result list. */
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if (ne_path_compare(fetchCtx->target, escaped_path) == 0 && !fetchCtx->include_target) {
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/* This is the target URI */
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DEBUG_WEBDAV( "Skipping target resource.");
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/* Free the private structure. */
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SAFE_FREE( path );
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SAFE_FREE( escaped_path );
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return;
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}
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SAFE_FREE( escaped_path );
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/* Fill the resource structure with the data about the file */
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newres = c_malloc(sizeof(struct resource));
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newres->uri = path; /* no need to strdup because ne_path_unescape already allocates */
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@ -859,15 +873,17 @@ static void results(void *userdata,
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/* DEBUG_WEBDAV( "results for URI %s: %d %d", newres->name, (int)newres->size, (int)newres->type ); */
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}
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/*
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* fetches a resource list from the WebDAV server. This is equivalent to list dir.
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*
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* takes ownership of curi
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*/
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static int fetch_resource_list( const char *curi,
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int depth,
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struct listdir_context *fetchCtx )
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static struct listdir_context *fetch_resource_list(char *curi, int depth)
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{
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int ret = -1;
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struct listdir_context *fetchCtx;
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int ret = 0;
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ne_propfind_handler *hdl = NULL;
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ne_request *request = NULL;
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const char *date_header = NULL;
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@ -877,6 +893,25 @@ static int fetch_resource_list( const char *curi,
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time_t time_diff;
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time_t time_diff_delta;
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if (propfind_cache) {
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if (c_streq(curi, propfind_cache->target)) {
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propfind_cache->ref++;
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SAFE_FREE(curi);
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return propfind_cache;
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}
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}
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fetchCtx = c_malloc( sizeof( struct listdir_context ));
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if (!fetchCtx) {
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errno = ENOMEM;
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SAFE_FREE(curi);
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return NULL;
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}
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fetchCtx->list = NULL;
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fetchCtx->target = curi;
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fetchCtx->currResource = NULL;
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fetchCtx->ref = 1;
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/* do a propfind request and parse the results in the results function, set as callback */
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hdl = ne_propfind_create(dav_session.ctx, curi, depth);
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@ -962,8 +997,29 @@ static int fetch_resource_list( const char *curi,
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if( hdl )
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ne_propfind_destroy(hdl);
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if( ret == -1 ) ret = NE_ERROR;
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return ret;
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if( ret == NE_REDIRECT ) {
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const ne_uri *redir_ne_uri = NULL;
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char *redir_uri = NULL;
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redir_ne_uri = ne_redirect_location(dav_session.ctx);
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if( redir_ne_uri ) {
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redir_uri = ne_uri_unparse(redir_ne_uri);
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DEBUG_WEBDAV("Permanently moved to %s", redir_uri);
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}
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}
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if( ret == OC_TIMEDELTA_FAIL ) {
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DEBUG_WEBDAV("WRN: Time delta changed too much!");
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/* FIXME: Reasonable user warning */
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}
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if( ret != NE_OK ) {
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free_fetchCtx(fetchCtx);
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return NULL;
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}
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free_fetchCtx(propfind_cache);
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propfind_cache = fetchCtx;
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propfind_cache->ref++;
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return fetchCtx;
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}
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/*
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@ -1046,46 +1102,25 @@ static int _stat_perms( int type ) {
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return ret;
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}
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/*
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* free the fetchCtx
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*/
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static void free_fetchCtx( struct listdir_context *ctx )
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{
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struct resource *newres = ctx->list;
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struct resource *res = newres;
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if( ! ctx ) return;
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SAFE_FREE(ctx->target);
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while( res ) {
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SAFE_FREE(res->uri);
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SAFE_FREE(res->name);
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SAFE_FREE(res->md5);
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newres = res->next;
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SAFE_FREE(res);
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res = newres;
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}
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SAFE_FREE(ctx);
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}
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static void fill_stat_cache( csync_vio_file_stat_t *lfs ) {
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if( _fs.name ) SAFE_FREE(_fs.name);
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if( _fs.md5 ) SAFE_FREE(_fs.md5 );
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if( _stat_cache.name ) SAFE_FREE(_stat_cache.name);
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if( _stat_cache.md5 ) SAFE_FREE(_stat_cache.md5 );
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if( !lfs) return;
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_fs.name = c_strdup(lfs->name);
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_fs.mtime = lfs->mtime;
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_fs.fields = lfs->fields;
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_fs.type = lfs->type;
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_fs.size = lfs->size;
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_stat_cache.name = c_strdup(lfs->name);
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_stat_cache.mtime = lfs->mtime;
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_stat_cache.fields = lfs->fields;
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_stat_cache.type = lfs->type;
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_stat_cache.size = lfs->size;
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if( lfs->md5 ) {
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_fs.md5 = c_strdup(lfs->md5);
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_stat_cache.md5 = c_strdup(lfs->md5);
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}
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}
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/*
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* file functions
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*/
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@ -1095,7 +1130,6 @@ static int owncloud_stat(const char *uri, csync_vio_file_stat_t *buf) {
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* creattime
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* size
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*/
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int rc = 0;
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csync_vio_file_stat_t *lfs = NULL;
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struct listdir_context *fetchCtx = NULL;
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char *curi = NULL;
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@ -1113,116 +1147,85 @@ static int owncloud_stat(const char *uri, csync_vio_file_stat_t *buf) {
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return -1;
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}
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/* check if the data in the static 'cache' fs is for the same file.
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* The cache is filled by readdir which is often called directly before
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* stat. If the cache matches, a http call is saved.
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*/
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if( _fs.name && strcmp( buf->name, _fs.name ) == 0 ) {
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if( _stat_cache.name && strcmp( buf->name, _stat_cache.name ) == 0 ) {
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buf->fields = CSYNC_VIO_FILE_STAT_FIELDS_NONE;
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buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_TYPE;
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buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_SIZE;
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buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_MTIME;
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buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_PERMISSIONS;
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buf->fields = _fs.fields;
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buf->type = _fs.type;
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buf->mtime = _fs.mtime;
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buf->size = _fs.size;
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buf->mode = _stat_perms( _fs.type );
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buf->fields = _stat_cache.fields;
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buf->type = _stat_cache.type;
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buf->mtime = _stat_cache.mtime;
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buf->size = _stat_cache.size;
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buf->mode = _stat_perms( _stat_cache.type );
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buf->md5 = NULL;
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if( _fs.md5 ) {
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buf->md5 = c_strdup( _fs.md5 );
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if( _stat_cache.md5 ) {
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buf->md5 = c_strdup( _stat_cache.md5 );
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buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_MD5;
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}
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DEBUG_WEBDAV("stat results from fs cache - md5: %s - mtime: %llu", _fs.md5 ? _fs.md5 : "NULL",
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(unsigned long long) buf->mtime );
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} else {
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DEBUG_WEBDAV("stat results fetched.");
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/* fetch data via a propfind call. */
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fetchCtx = c_malloc( sizeof( struct listdir_context ));
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if( ! fetchCtx ) {
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errno = ENOMEM;
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csync_vio_file_stat_destroy(buf);
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return -1;
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}
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curi = _cleanPath( uri );
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fetchCtx->list = NULL;
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fetchCtx->target = curi;
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fetchCtx->include_target = 1;
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fetchCtx->currResource = NULL;
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rc = fetch_resource_list( curi, NE_DEPTH_ONE, fetchCtx );
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if( rc != NE_OK ) {
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if( rc == OC_TIMEDELTA_FAIL ) {
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DEBUG_WEBDAV("WRN: Time delta changed too much!");
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/* FIXME: Reasonable user warning */
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} else {
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/* errno is set accordingly in fetch_resource_list */
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DEBUG_WEBDAV("stat fails with errno %d", errno );
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}
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free_fetchCtx(fetchCtx);
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return -1;
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}
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if( fetchCtx ) {
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struct resource *res = fetchCtx->list;
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while( res ) {
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/* remove trailing slashes */
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len = strlen(res->uri);
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while( len > 0 && res->uri[len-1] == '/' ) --len;
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memset( strbuf, 0, PATH_MAX+1);
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strncpy( strbuf, res->uri, len < PATH_MAX ? len : PATH_MAX ); /* this removes the trailing slash */
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decodedUri = ne_path_unescape( curi ); /* allocates memory */
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if( c_streq(strbuf, decodedUri )) {
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SAFE_FREE( decodedUri );
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break;
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}
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res = res->next;
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SAFE_FREE( decodedUri );
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}
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if( res ) {
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DEBUG_WEBDAV("Working on file %s", res->name );
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} else {
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DEBUG_WEBDAV("ERROR: Result struct not valid!");
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}
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lfs = resourceToFileStat( res );
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if( lfs ) {
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buf->fields = CSYNC_VIO_FILE_STAT_FIELDS_NONE;
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buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_TYPE;
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buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_SIZE;
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buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_MTIME;
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buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_PERMISSIONS;
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buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_MD5;
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buf->fields = lfs->fields;
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buf->type = lfs->type;
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buf->mtime = lfs->mtime;
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buf->size = lfs->size;
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buf->mode = _stat_perms( lfs->type );
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buf->md5 = NULL;
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if( lfs->md5 ) {
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buf->md5 = c_strdup( lfs->md5 );
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}
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/* put the stat information to cache for subsequent calls */
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fill_stat_cache( lfs );
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/* fill the static stat buf as input for the stat function */
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csync_vio_file_stat_destroy( lfs );
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}
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free_fetchCtx( fetchCtx );
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}
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DEBUG_WEBDAV("STAT result from propfind: %s, mtime: %llu", buf->name ? buf->name:"NULL",
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(unsigned long long) buf->mtime );
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return 0;
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}
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/* fetch data via a propfind call. */
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curi = _cleanPath( uri );
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fetchCtx = fetch_resource_list( curi, NE_DEPTH_ONE);
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if (!fetchCtx) {
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csync_vio_file_stat_destroy(buf);
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return -1;
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}
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if( fetchCtx ) {
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struct resource *res = fetchCtx->list;
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while( res ) {
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/* remove trailing slashes */
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len = strlen(res->uri);
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while( len > 0 && res->uri[len-1] == '/' ) --len;
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memset( strbuf, 0, PATH_MAX+1);
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strncpy( strbuf, res->uri, len < PATH_MAX ? len : PATH_MAX ); /* this removes the trailing slash */
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decodedUri = ne_path_unescape( fetchCtx->target ); /* allocates memory */
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if( c_streq(strbuf, decodedUri )) {
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SAFE_FREE( decodedUri );
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break;
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}
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res = res->next;
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SAFE_FREE( decodedUri );
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}
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if( res ) {
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DEBUG_WEBDAV("Working on file %s", res->name );
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} else {
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DEBUG_WEBDAV("ERROR: Result struct not valid!");
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}
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lfs = resourceToFileStat( res );
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if( lfs ) {
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buf->fields = CSYNC_VIO_FILE_STAT_FIELDS_NONE;
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buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_TYPE;
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buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_SIZE;
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buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_MTIME;
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buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_PERMISSIONS;
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buf->fields |= CSYNC_VIO_FILE_STAT_FIELDS_MD5;
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buf->fields = lfs->fields;
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buf->type = lfs->type;
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buf->mtime = lfs->mtime;
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buf->size = lfs->size;
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buf->mode = _stat_perms( lfs->type );
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buf->md5 = NULL;
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if( lfs->md5 ) {
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buf->md5 = c_strdup( lfs->md5 );
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}
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/* fill the static stat buf as input for the stat function */
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csync_vio_file_stat_destroy( lfs );
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}
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free_fetchCtx( fetchCtx );
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}
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DEBUG_WEBDAV("STAT result from propfind: %s, mtime: %llu", buf->name ? buf->name:"NULL",
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(unsigned long long) buf->mtime );
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return 0;
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}
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@ -1277,6 +1280,7 @@ static void install_content_reader( ne_request *req, void *userdata, const ne_st
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{
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const char *enc = NULL;
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struct transfer_context *writeCtx = userdata;
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(void)status;
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(void) status;
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@ -1356,9 +1360,6 @@ static const char* owncloud_file_id( const char *path )
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|||
* into a PROPFIND request.
|
||||
*/
|
||||
if( ! header ) {
|
||||
/* Clear the cache */
|
||||
fill_stat_cache(NULL);
|
||||
|
||||
/* ... and do a stat call. */
|
||||
fs = csync_vio_file_stat_new();
|
||||
if(fs == NULL) {
|
||||
|
|
@ -1657,6 +1658,11 @@ static int owncloud_close(csync_vio_method_handle_t *fhandle) {
|
|||
SAFE_FREE( writeCtx->clean_uri );
|
||||
SAFE_FREE( writeCtx );
|
||||
|
||||
// Clear the cache so get_id gets the updates
|
||||
free_fetchCtx(propfind_cache);
|
||||
propfind_cache = NULL;
|
||||
fill_stat_cache(NULL);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
|
@ -1682,36 +1688,17 @@ static off_t owncloud_lseek(csync_vio_method_handle_t *fhandle, off_t offset, in
|
|||
* directory functions
|
||||
*/
|
||||
static csync_vio_method_handle_t *owncloud_opendir(const char *uri) {
|
||||
int rc;
|
||||
struct listdir_context *fetchCtx = NULL;
|
||||
struct resource *reslist = NULL;
|
||||
char *curi = _cleanPath( uri );
|
||||
char *redir_uri = NULL;
|
||||
const ne_uri *redir_ne_uri = NULL;
|
||||
|
||||
DEBUG_WEBDAV("opendir method called on %s", uri );
|
||||
|
||||
dav_connect( uri );
|
||||
|
||||
fetchCtx = c_malloc( sizeof( struct listdir_context ));
|
||||
|
||||
fetchCtx->list = reslist;
|
||||
fetchCtx->target = curi;
|
||||
fetchCtx->include_target = 0;
|
||||
fetchCtx->currResource = NULL;
|
||||
|
||||
rc = fetch_resource_list( curi, NE_DEPTH_ONE, fetchCtx );
|
||||
if( rc != NE_OK ) {
|
||||
fetchCtx = fetch_resource_list( curi, NE_DEPTH_ONE );
|
||||
if( !fetchCtx ) {
|
||||
/* errno is set properly in fetch_resource_list */
|
||||
|
||||
DEBUG_WEBDAV("Errno set to %d", errno);
|
||||
if( rc == NE_REDIRECT ) {
|
||||
redir_ne_uri = ne_redirect_location(dav_session.ctx);
|
||||
if( redir_ne_uri ) {
|
||||
redir_uri = ne_uri_unparse(redir_ne_uri);
|
||||
DEBUG_WEBDAV("Permanently moved to %s", redir_uri);
|
||||
}
|
||||
}
|
||||
return NULL;
|
||||
} else {
|
||||
fetchCtx->currResource = fetchCtx->list;
|
||||
|
|
@ -1735,7 +1722,6 @@ static int owncloud_closedir(csync_vio_method_handle_t *dhandle) {
|
|||
static csync_vio_file_stat_t *owncloud_readdir(csync_vio_method_handle_t *dhandle) {
|
||||
|
||||
struct listdir_context *fetchCtx = dhandle;
|
||||
csync_vio_file_stat_t *lfs = NULL;
|
||||
|
||||
if( fetchCtx->currResource ) {
|
||||
// DEBUG_WEBDAV("readdir method called for %s", fetchCtx->currResource->uri);
|
||||
|
|
@ -1744,19 +1730,31 @@ static csync_vio_file_stat_t *owncloud_readdir(csync_vio_method_handle_t *dhandl
|
|||
return NULL;
|
||||
}
|
||||
|
||||
if( fetchCtx && fetchCtx->currResource ) {
|
||||
/* FIXME: Who frees the allocated mem for lfs, allocated in the helper func? */
|
||||
lfs = resourceToFileStat( fetchCtx->currResource );
|
||||
while( fetchCtx && fetchCtx->currResource ) {
|
||||
resource* currResource = fetchCtx->currResource;
|
||||
|
||||
/* set pointer to next element */
|
||||
fetchCtx->currResource = fetchCtx->currResource->next;
|
||||
|
||||
/* fill the static stat buf as input for the stat function */
|
||||
fill_stat_cache(lfs);
|
||||
/* It seems strange: first uri->path is unescaped to escape it in the next step again.
|
||||
* The reason is that uri->path is not completely escaped (ie. it seems only to have
|
||||
* spaces escaped), while the fetchCtx->target is fully escaped.
|
||||
* See http://bugs.owncloud.org/thebuggenie/owncloud/issues/oc-613
|
||||
*/
|
||||
char *escaped_path = ne_path_escape( currResource->uri );
|
||||
if (ne_path_compare(fetchCtx->target, escaped_path) != 0) {
|
||||
csync_vio_file_stat_t* lfs = resourceToFileStat(currResource);
|
||||
fill_stat_cache(lfs);
|
||||
SAFE_FREE( escaped_path );
|
||||
return lfs;
|
||||
}
|
||||
|
||||
/* This is the target URI */
|
||||
DEBUG_WEBDAV( "Skipping target resource.");
|
||||
SAFE_FREE( escaped_path );
|
||||
}
|
||||
|
||||
/* DEBUG_WEBDAV("LFS fields: %s: %d", lfs->name, lfs->type ); */
|
||||
return lfs;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int owncloud_mkdir(const char *uri, mode_t mode) {
|
||||
|
|
@ -1951,7 +1949,7 @@ static int owncloud_utimes(const char *uri, const struct timeval *times) {
|
|||
return 0;
|
||||
}
|
||||
|
||||
int owncloud_set_property(const char *key, void *data) {
|
||||
static int owncloud_set_property(const char *key, void *data) {
|
||||
#define READ_STRING_PROPERTY(P) \
|
||||
if (c_streq(key, #P)) { \
|
||||
SAFE_FREE(dav_session.P); \
|
||||
|
|
@ -2031,6 +2029,8 @@ void vio_module_shutdown(csync_vio_method_t *method) {
|
|||
SAFE_FREE( _lastDir );
|
||||
|
||||
/* free stat memory */
|
||||
free_fetchCtx(propfind_cache);
|
||||
propfind_cache = NULL;
|
||||
fill_stat_cache(NULL);
|
||||
|
||||
if( dav_session.ctx )
|
||||
|
|
|
|||
|
|
@ -115,12 +115,8 @@ static void fetch_a_context(void **state) {
|
|||
unsigned int i;
|
||||
|
||||
(void) state;
|
||||
|
||||
fetchCtx = c_malloc( sizeof( struct listdir_context ));
|
||||
fetchCtx->target = curi;
|
||||
fetchCtx->include_target = 1;
|
||||
|
||||
rc = fetch_resource_list( curi, NE_DEPTH_ONE, fetchCtx );
|
||||
fetchCtx = fetch_resource_list( curi, NE_DEPTH_ONE);
|
||||
assert_int_equal( rc, 0 );
|
||||
printf("Results: %d\n", fetchCtx->result_count);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue