mirror of
https://github.com/s3fs-fuse/s3fs-fuse.git
synced 2025-01-31 09:38:25 +00:00
Restructing to take care of the directory rename.
This is a checkpoint. No functional changes in this commit. git-svn-id: http://s3fs.googlecode.com/svn/trunk@288 df820570-a93a-0410-bd06-b72b767a4274
This commit is contained in:
mooredan@suncup.net
parent
68774b5960
commit
5c64ff83cf
@ -1,7 +1,7 @@
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dnl Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.59)
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AC_INIT(s3fs, 1.28)
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AC_INIT(s3fs, 1.29)
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AC_CANONICAL_SYSTEM
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712
src/s3fs.cpp
712
src/s3fs.cpp
@ -83,6 +83,40 @@ typedef struct curlmhll {
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} CURLMHLL;
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// All this "stuff" stuff is kinda ugly... it works though... needs cleanup
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struct stuff_t {
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// default ctor works
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string path;
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string* url;
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struct curl_slist* requestHeaders;
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headers_t* responseHeaders;
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};
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typedef map<CURL*, stuff_t> stuffMap_t;
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struct cleanup_stuff {
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void operator()(pair<CURL*, stuff_t> qqq) {
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stuff_t stuff = qqq.second;
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delete stuff.url;
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curl_slist_free_all(stuff.requestHeaders);
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delete stuff.responseHeaders;
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}
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};
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class auto_stuff {
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public:
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auto_stuff() { }
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~auto_stuff() {
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for_each(stuffMap.begin(), stuffMap.end(), cleanup_stuff());
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}
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stuffMap_t& get() { return stuffMap; }
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private:
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stuffMap_t stuffMap;
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};
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// homegrown timeout mechanism
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@ -159,6 +193,203 @@ void destroy_curl_handle(CURL *curl_handle) {
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}
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time_t my_timegm (struct tm *tm) {
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time_t ret;
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char *tz;
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tz = getenv("TZ");
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setenv("TZ", "", 1);
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tzset();
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ret = mktime(tm);
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if (tz)
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setenv("TZ", tz, 1);
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else
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unsetenv("TZ");
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tzset();
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return ret;
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}
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/////////////////////////////////////////////////
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// Multi CURL stuff
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/////////////////////////////////////////////////
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CURLHLL *create_h_element(CURL *handle) {
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CURLHLL *p;
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p = (CURLHLL *) malloc(sizeof(CURLHLL));
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if (p == NULL) {
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printf("create_h_element: could not allocation memory\n");
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exit(1);
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}
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p->handle = handle;
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p->next = NULL;
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return p;
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}
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void add_h_element(CURLHLL *head, CURL *handle) {
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CURLHLL *p;
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CURLHLL *p_new;
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p_new = create_h_element(handle);
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for (p = head; p->next != NULL; p = p->next);
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;
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p->next = p_new;
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return;
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}
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CURLMHLL *create_mh_element(CURLM *handle) {
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CURLMHLL *p;
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p = (CURLMHLL *) malloc(sizeof(CURLMHLL));
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if (p == NULL) {
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printf("create_mh_element: could not allocation memory\n");
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exit(1);
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}
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p->handle = handle;
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p->curlhll_head = NULL;
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p->next = NULL;
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return p;
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}
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CURLMHLL *add_mh_element(CURLMHLL *head, CURLM *handle) {
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CURLMHLL *p;
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CURLMHLL *p_new;
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p_new = create_mh_element(handle);
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for (p = head; p->next != NULL; p = p->next);
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;
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p->next = p_new;
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return p_new;
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}
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void add_h_to_mh(CURL *h, CURLMHLL *mh) {
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CURLHLL *h_head;
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h_head = mh->curlhll_head;
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if(h_head == NULL) {
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h_head = create_h_element(h);
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mh->curlhll_head = h_head;
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} else {
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add_h_element(h_head, h);
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}
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return;
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}
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void cleanup_multi_stuff(CURLMHLL *mhhead) {
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// move this to it's own cleanup function
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CURLMHLL *my_mhhead;
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CURLMHLL *pnext;
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CURLHLL *cnext;
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CURLHLL *chhead;
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CURLMcode curlm_code;
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CURL *curl_handle;
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CURLM *curl_multi_handle;
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if(mhhead == NULL) {
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return;
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}
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// Remove all of the easy handles from its multi handle
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my_mhhead = mhhead;
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pnext = NULL;
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cnext = NULL;
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chhead = NULL;
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do {
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chhead = my_mhhead->curlhll_head;
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while(chhead != NULL) {
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cnext = chhead->next;
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curl_multi_handle = my_mhhead->handle;
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curl_handle = chhead->handle;
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curlm_code = curl_multi_remove_handle(curl_multi_handle, curl_handle);
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if(curlm_code != CURLM_OK) {
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syslog(LOG_ERR, "curl_multi_remove_handle code: %d msg: %s",
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curlm_code, curl_multi_strerror(curlm_code));
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}
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chhead = cnext;
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}
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pnext = my_mhhead->next;
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my_mhhead = pnext;
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} while(my_mhhead != NULL);
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// now clean up the easy handles
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my_mhhead = mhhead;
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pnext = NULL;
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cnext = NULL;
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chhead = NULL;
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do {
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chhead = my_mhhead->curlhll_head;
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while(chhead != NULL) {
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cnext = chhead->next;
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destroy_curl_handle(chhead->handle);
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chhead = cnext;
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}
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pnext = my_mhhead->next;
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my_mhhead = pnext;
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} while(my_mhhead != NULL);
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// now cleanup the multi handles
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my_mhhead = mhhead;
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pnext = NULL;
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cnext = NULL;
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chhead = NULL;
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do {
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pnext = my_mhhead->next;
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curlm_code = curl_multi_cleanup(my_mhhead->handle);
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if(curlm_code != CURLM_OK) {
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syslog(LOG_ERR, "curl_multi_cleanup code: %d msg: %s",
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curlm_code, curl_multi_strerror(curlm_code));
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}
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my_mhhead = pnext;
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} while(my_mhhead != NULL);
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// Now free the memory structures
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my_mhhead = mhhead;
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pnext = NULL;
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cnext = NULL;
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chhead = NULL;
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do {
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chhead = my_mhhead->curlhll_head;
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while(chhead != NULL) {
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cnext = chhead->next;
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free(chhead);
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chhead = cnext;
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}
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pnext = my_mhhead->next;
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free(my_mhhead);
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my_mhhead = pnext;
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} while(my_mhhead != NULL);
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return;
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}
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static string prepare_url(const char* url) {
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if(debug) syslog(LOG_DEBUG, "URL is %s", url);
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@ -1479,19 +1710,222 @@ static int s3fs_symlink(const char *from, const char *to) {
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return 0;
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}
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static int rename_object( const char *from, const char *to) {
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int result;
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headers_t meta;
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if(foreground) {
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cout << "rename_object[from=" << from << "][to=" << to << "]" << endl;
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}
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if(debug) syslog(LOG_DEBUG, "rename_object [from=%s] [to=%s]", from, to);
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if(debug) syslog(LOG_DEBUG, " rename_object: calling get_headers....");
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result = get_headers(from, meta);
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if(debug) syslog(LOG_DEBUG, " rename_object: returning from get_headers....");
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if(result != 0) {
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return result;
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}
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meta["x-amz-copy-source"] = urlEncode("/" + bucket + from);
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meta["Content-Type"] = lookupMimeType(to);
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meta["x-amz-metadata-directive"] = "REPLACE";
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result = put_headers(to, meta);
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if (result != 0) {
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return result;
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}
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result = s3fs_unlink(from);
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return result;
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}
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static int rename_directory( const char *from, const char *to) {
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int result;
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mode_t mode;
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headers_t meta;
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int num_keys = 0;
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if(foreground)
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cout << "rename_directory[from=" << from << "][to=" << to << "]" << endl;
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if(debug) syslog(LOG_DEBUG, "rename_directory [from=%s] [to=%s]", from, to);
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CURL *curl;
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struct BodyStruct body;
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string NextMarker;
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string IsTruncated("true");
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// How to determine mode?
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mode = 493;
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body.text = (char *)malloc(1);
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body.size = 0;
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while (IsTruncated == "true") {
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string resource = urlEncode(service_path + bucket);
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string query = "delimiter=/&prefix=";
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if (strcmp(from, "/") != 0)
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query += urlEncode(string(from).substr(1) + "/");
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if (NextMarker.size() > 0)
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query += "&marker=" + urlEncode(NextMarker);
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query += "&max-keys=50";
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string url = host + resource + "?" + query;
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{
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curl = create_curl_handle();
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string my_url = prepare_url(url.c_str());
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if(body.text) {
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free(body.text);
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body.size = 0;
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body.text = (char *)malloc(1);
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}
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curl_easy_setopt(curl, CURLOPT_URL, my_url.c_str());
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curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, true);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&body);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
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auto_curl_slist headers;
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string date = get_date();
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headers.append("Date: " + date);
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headers.append("ContentType: ");
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if (public_bucket.substr(0,1) != "1") {
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headers.append("Authorization: AWS " + AWSAccessKeyId + ":" +
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calc_signature("GET", "", date, headers.get(), resource + "/"));
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}
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curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers.get());
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result = my_curl_easy_perform(curl, &body);
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destroy_curl_handle(curl);
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if(result != 0) {
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if(body.text) {
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free(body.text);
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}
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return result;
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}
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}
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printf("body.size: %i\n", body.size);
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{
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xmlDocPtr doc = xmlReadMemory(body.text, body.size, "", NULL, 0);
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if (doc != NULL && doc->children != NULL) {
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for (xmlNodePtr cur_node = doc->children->children;
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cur_node != NULL;
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cur_node = cur_node->next) {
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string cur_node_name(reinterpret_cast<const char *>(cur_node->name));
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if (cur_node_name == "IsTruncated") {
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IsTruncated = reinterpret_cast<const char *>(cur_node->children->content);
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}
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if (cur_node_name == "NextMarker") {
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NextMarker = reinterpret_cast<const char *>(cur_node->children->content);
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}
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if (cur_node_name == "Contents") {
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if (cur_node->children != NULL) {
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string Key;
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string LastModified;
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string Size;
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for (xmlNodePtr sub_node = cur_node->children;
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sub_node != NULL;
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sub_node = sub_node->next) {
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if (sub_node->type == XML_ELEMENT_NODE) {
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string elementName = reinterpret_cast<const char*>(sub_node->name);
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if (sub_node->children != NULL) {
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if (sub_node->children->type == XML_TEXT_NODE) {
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if (elementName == "Key") {
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Key = reinterpret_cast<const char *>(sub_node->children->content);
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}
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if (elementName == "LastModified") {
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LastModified = reinterpret_cast<const char *>(sub_node->children->content);
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}
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if (elementName == "Size") {
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Size = reinterpret_cast<const char *>(sub_node->children->content);
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}
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}
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}
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}
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}
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if (Key.size() > 0) {
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num_keys++;
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printf("Key: %s\n", Key.c_str());
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}
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} // if (cur_node->children != NULL) {
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} // if (cur_node_name == "Contents") {
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} // for (xmlNodePtr cur_node = doc->children->children;
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} // if (doc != NULL && doc->children != NULL) {
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xmlFreeDoc(doc);
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}
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} // while (IsTruncated == "true") {
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if(body.text) {
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free(body.text);
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}
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// Fow now, only move directories which are empty
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// I know, but its a step in the right direction
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if (num_keys > 0) {
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result = -ENOTSUP; // directory rename is not supported ... yet
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} else {
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// create the new directory
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result = s3fs_mkdir(to, mode);
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if ( result != 0) {
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return result;
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}
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// and transfer its attributes
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result = get_headers(from, meta);
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if(result != 0) {
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return result;
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}
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meta["x-amz-copy-source"] = urlEncode("/" + bucket + from);
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meta["x-amz-metadata-directive"] = "REPLACE";
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result = put_headers(to, meta);
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if (result != 0) {
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return result;
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}
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result = s3fs_unlink(from);
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if(result != 0) {
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return result;
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}
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|
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// return result
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result = 0;
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}
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return result;
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}
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static int s3fs_rename(const char *from, const char *to) {
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if(foreground)
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cout << "rename[from=" << from << "][to=" << to << "]" << endl;
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|
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if(debug) syslog(LOG_DEBUG, "rename [from=%s] [to=%s]", from, to);
|
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// renaming (moving) directories is not supported at this time
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// if the first argument is a directory, report the limitation
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// and do nothing, this prevents the directory's children
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// from just disappearing
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//
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// TODO: support directory renaming
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|
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struct stat buf;
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int result;
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string fullpath;
|
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@ -1507,34 +1941,18 @@ static int s3fs_rename(const char *from, const char *to) {
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|
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if (result == -1) {
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syslog(LOG_ERR, "###file: %s code:%d error:%s", from, result, strerror(errno));
|
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return -errno;
|
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}
|
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|
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// Is is a directory or a different type of file
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if (S_ISDIR( buf.st_mode )) {
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result = -ENOTSUP; // directory rename is not supported ... yet
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// result = rename_directory(from, to);
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} else {
|
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if (S_ISDIR( buf.st_mode )) {
|
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return -ENOTSUP;
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}
|
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result = rename_object(from, to);
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}
|
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|
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// preserve meta headers across rename
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headers_t meta;
|
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|
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if(debug) syslog(LOG_DEBUG, " rename: calling get_headers....");
|
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|
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result = get_headers(from, meta);
|
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if(result != 0) {
|
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return result;
|
||||
}
|
||||
|
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if(debug) syslog(LOG_DEBUG, " rename: returning from get_headers....");
|
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|
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meta["x-amz-copy-source"] = urlEncode("/" + bucket + from);
|
||||
meta["Content-Type"] = lookupMimeType(to);
|
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meta["x-amz-metadata-directive"] = "REPLACE";
|
||||
|
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result = put_headers(to, meta);
|
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if (result != 0) {
|
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return result;
|
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}
|
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|
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return s3fs_unlink(from);
|
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return result;
|
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}
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|
||||
static int s3fs_link(const char *from, const char *to) {
|
||||
@ -1707,236 +2125,6 @@ static int s3fs_release(const char *path, struct fuse_file_info *fi) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
time_t my_timegm (struct tm *tm) {
|
||||
time_t ret;
|
||||
char *tz;
|
||||
|
||||
tz = getenv("TZ");
|
||||
setenv("TZ", "", 1);
|
||||
tzset();
|
||||
ret = mktime(tm);
|
||||
if (tz)
|
||||
setenv("TZ", tz, 1);
|
||||
else
|
||||
unsetenv("TZ");
|
||||
tzset();
|
||||
return ret;
|
||||
}
|
||||
|
||||
// All this "stuff" stuff is kinda ugly... it works though... needs cleanup
|
||||
struct stuff_t {
|
||||
// default ctor works
|
||||
string path;
|
||||
string* url;
|
||||
struct curl_slist* requestHeaders;
|
||||
headers_t* responseHeaders;
|
||||
};
|
||||
typedef map<CURL*, stuff_t> stuffMap_t;
|
||||
|
||||
struct cleanup_stuff {
|
||||
void operator()(pair<CURL*, stuff_t> qqq) {
|
||||
stuff_t stuff = qqq.second;
|
||||
delete stuff.url;
|
||||
curl_slist_free_all(stuff.requestHeaders);
|
||||
delete stuff.responseHeaders;
|
||||
}
|
||||
};
|
||||
|
||||
class auto_stuff {
|
||||
public:
|
||||
auto_stuff() { }
|
||||
~auto_stuff() {
|
||||
for_each(stuffMap.begin(), stuffMap.end(), cleanup_stuff());
|
||||
}
|
||||
|
||||
stuffMap_t& get() { return stuffMap; }
|
||||
|
||||
private:
|
||||
stuffMap_t stuffMap;
|
||||
};
|
||||
|
||||
|
||||
|
||||
|
||||
/////////////////////////////////////////////////
|
||||
// Multi CURL stuff
|
||||
/////////////////////////////////////////////////
|
||||
|
||||
CURLHLL *create_h_element(CURL *handle) {
|
||||
CURLHLL *p;
|
||||
p = (CURLHLL *) malloc(sizeof(CURLHLL));
|
||||
if (p == NULL) {
|
||||
printf("create_h_element: could not allocation memory\n");
|
||||
exit(1);
|
||||
}
|
||||
p->handle = handle;
|
||||
p->next = NULL;
|
||||
return p;
|
||||
}
|
||||
|
||||
void add_h_element(CURLHLL *head, CURL *handle) {
|
||||
CURLHLL *p;
|
||||
CURLHLL *p_new;
|
||||
|
||||
p_new = create_h_element(handle);
|
||||
|
||||
for (p = head; p->next != NULL; p = p->next);
|
||||
;
|
||||
|
||||
p->next = p_new;
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
CURLMHLL *create_mh_element(CURLM *handle) {
|
||||
CURLMHLL *p;
|
||||
p = (CURLMHLL *) malloc(sizeof(CURLMHLL));
|
||||
if (p == NULL) {
|
||||
printf("create_mh_element: could not allocation memory\n");
|
||||
exit(1);
|
||||
}
|
||||
p->handle = handle;
|
||||
p->curlhll_head = NULL;
|
||||
p->next = NULL;
|
||||
return p;
|
||||
}
|
||||
|
||||
CURLMHLL *add_mh_element(CURLMHLL *head, CURLM *handle) {
|
||||
CURLMHLL *p;
|
||||
CURLMHLL *p_new;
|
||||
|
||||
p_new = create_mh_element(handle);
|
||||
|
||||
for (p = head; p->next != NULL; p = p->next);
|
||||
;
|
||||
|
||||
p->next = p_new;
|
||||
return p_new;
|
||||
}
|
||||
|
||||
void add_h_to_mh(CURL *h, CURLMHLL *mh) {
|
||||
CURLHLL *h_head;
|
||||
|
||||
h_head = mh->curlhll_head;
|
||||
if(h_head == NULL) {
|
||||
h_head = create_h_element(h);
|
||||
mh->curlhll_head = h_head;
|
||||
} else {
|
||||
add_h_element(h_head, h);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
void cleanup_multi_stuff(CURLMHLL *mhhead) {
|
||||
// move this to it's own cleanup function
|
||||
|
||||
CURLMHLL *my_mhhead;
|
||||
CURLMHLL *pnext;
|
||||
CURLHLL *cnext;
|
||||
CURLHLL *chhead;
|
||||
CURLMcode curlm_code;
|
||||
|
||||
CURL *curl_handle;
|
||||
CURLM *curl_multi_handle;
|
||||
|
||||
if(mhhead == NULL) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Remove all of the easy handles from its multi handle
|
||||
|
||||
my_mhhead = mhhead;
|
||||
pnext = NULL;
|
||||
cnext = NULL;
|
||||
chhead = NULL;
|
||||
|
||||
do {
|
||||
chhead = my_mhhead->curlhll_head;
|
||||
|
||||
while(chhead != NULL) {
|
||||
cnext = chhead->next;
|
||||
|
||||
curl_multi_handle = my_mhhead->handle;
|
||||
curl_handle = chhead->handle;
|
||||
|
||||
curlm_code = curl_multi_remove_handle(curl_multi_handle, curl_handle);
|
||||
if(curlm_code != CURLM_OK) {
|
||||
syslog(LOG_ERR, "curl_multi_remove_handle code: %d msg: %s",
|
||||
curlm_code, curl_multi_strerror(curlm_code));
|
||||
}
|
||||
chhead = cnext;
|
||||
}
|
||||
|
||||
pnext = my_mhhead->next;
|
||||
my_mhhead = pnext;
|
||||
} while(my_mhhead != NULL);
|
||||
|
||||
// now clean up the easy handles
|
||||
my_mhhead = mhhead;
|
||||
pnext = NULL;
|
||||
cnext = NULL;
|
||||
chhead = NULL;
|
||||
|
||||
|
||||
do {
|
||||
chhead = my_mhhead->curlhll_head;
|
||||
|
||||
while(chhead != NULL) {
|
||||
cnext = chhead->next;
|
||||
destroy_curl_handle(chhead->handle);
|
||||
chhead = cnext;
|
||||
}
|
||||
|
||||
pnext = my_mhhead->next;
|
||||
my_mhhead = pnext;
|
||||
} while(my_mhhead != NULL);
|
||||
|
||||
// now cleanup the multi handles
|
||||
my_mhhead = mhhead;
|
||||
pnext = NULL;
|
||||
cnext = NULL;
|
||||
chhead = NULL;
|
||||
|
||||
|
||||
do {
|
||||
pnext = my_mhhead->next;
|
||||
|
||||
curlm_code = curl_multi_cleanup(my_mhhead->handle);
|
||||
if(curlm_code != CURLM_OK) {
|
||||
syslog(LOG_ERR, "curl_multi_cleanup code: %d msg: %s",
|
||||
curlm_code, curl_multi_strerror(curlm_code));
|
||||
}
|
||||
|
||||
my_mhhead = pnext;
|
||||
} while(my_mhhead != NULL);
|
||||
|
||||
|
||||
|
||||
// Now free the memory structures
|
||||
my_mhhead = mhhead;
|
||||
pnext = NULL;
|
||||
cnext = NULL;
|
||||
chhead = NULL;
|
||||
|
||||
do {
|
||||
chhead = my_mhhead->curlhll_head;
|
||||
|
||||
while(chhead != NULL) {
|
||||
cnext = chhead->next;
|
||||
free(chhead);
|
||||
chhead = cnext;
|
||||
}
|
||||
|
||||
pnext = my_mhhead->next;
|
||||
free(my_mhhead);
|
||||
my_mhhead = pnext;
|
||||
} while(my_mhhead != NULL);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
static int s3fs_readdir(
|
||||
const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi) {
|
||||
|
||||
@ -9,6 +9,7 @@ source $REQUIRE_ROOT
|
||||
# Configuration
|
||||
TEST_TEXT="HELLO WORLD"
|
||||
TEST_TEXT_FILE=test-s3fs.txt
|
||||
ALT_TEST_TEXT_FILE=test-s3fs-ALT.txt
|
||||
TEST_TEXT_FILE_LENGTH=15
|
||||
|
||||
# Mount the bucket
|
||||
@ -40,7 +41,71 @@ fi
|
||||
|
||||
# Delete the test file
|
||||
rm $TEST_TEXT_FILE
|
||||
if [ -e $TEST_TEXT_FILE ]
|
||||
then
|
||||
echo "Could not delete file, it still exists"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
##########################################################
|
||||
# Rename test (individual file)
|
||||
##########################################################
|
||||
echo "Testing mv file function ..."
|
||||
|
||||
|
||||
# if the rename file exists, delete it
|
||||
if [ -e $ALT_TEST_TEXT_FILE ]
|
||||
then
|
||||
rm $ALT_TEST_TEXT_FILE
|
||||
fi
|
||||
|
||||
if [ -e $ALT_TEST_TEXT_FILE ]
|
||||
then
|
||||
echo "Could not delete file ${ALT_TEST_TEXT_FILE}, it still exists"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# create the test file again
|
||||
echo $TEST_TEXT > $TEST_TEXT_FILE
|
||||
if [ ! -e $TEST_TEXT_FILE ]
|
||||
then
|
||||
echo "Could not create file ${TEST_TEXT_FILE}, it does not exist"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
#rename the test file
|
||||
mv $TEST_TEXT_FILE $ALT_TEST_TEXT_FILE
|
||||
if [ ! -e $ALT_TEST_TEXT_FILE ]
|
||||
then
|
||||
echo "Could not move file"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Check the contents of the alt file
|
||||
ALT_TEXT_LENGTH=`echo $TEST_TEXT | wc -c | awk '{print $1}'`
|
||||
ALT_FILE_LENGTH=`wc -c $ALT_TEST_TEXT_FILE | awk '{print $1}'`
|
||||
if [ "$ALT_FILE_LENGTH" -ne "$ALT_TEXT_LENGTH" ]
|
||||
then
|
||||
echo "moved file length is not as expected expected: $ALT_TEXT_LENGTH got: $ALT_FILE_LENGTH"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# clean up
|
||||
rm $ALT_TEST_TEXT_FILE
|
||||
|
||||
if [ -e $ALT_TEST_TEXT_FILE ]
|
||||
then
|
||||
echo "Could not cleanup file ${ALT_TEST_TEXT_FILE}, it still exists"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
|
||||
#####################################################################
|
||||
# Tests are finished
|
||||
#####################################################################
|
||||
|
||||
# Unmount the bucket
|
||||
cd $CUR_DIR
|
||||
umount $TEST_BUCKET_MOUNT_POINT_1
|
||||
|
||||
echo "All tests complete."
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user