#include <stdlib.h>
#include <string.h>
#include <stdio.h>
+#ifdef _WIN32
+#define _snprintf snprintf /* Visual Studio */
+#include <io.h>
+#else
#include <sys/types.h>
-#include <sys/stat.h>
#include <unistd.h>
+#endif
+#include <sys/stat.h>
#include <fcntl.h>
#include <time.h>
#include "target_manager.h"
#ifdef SERVER
+#include <curl/curl.h>
#include "fcgi_stdio.h"
#define logstream FCGI_stdout
#else
#define FCGI_stdout stdout
#define FCGI_stderr stderr
#define logstream stderr
-#endif //SERVER
-
+#endif /*SERVER*/
targetlist_param_t * gene_targetlist()
{
/**
* open jp2 format image file
*
- * @param[in] filename file name (.jp2)
- * @return file descriptor
+ * @param[in] filepath file name (.jp2)
+ * @param[out] tmpfname new file name if filepath is a URL
+ * @return file descriptor
*/
-int open_jp2file( char filename[]);
+int open_jp2file( char filepath[], char tmpfname[]);
target_param_t * gene_target( targetlist_param_t *targetlist, char *targetpath)
{
target_param_t *target;
int fd;
index_param_t *jp2idx;
+ char tmpfname[MAX_LENOFTID];
static int last_csn = 0;
-
+
if( targetpath[0]=='\0'){
fprintf( FCGI_stderr, "Error: exception, no targetpath in gene_target()\n");
return NULL;
}
- if((fd = open_jp2file( targetpath)) == -1){
+ if((fd = open_jp2file( targetpath, tmpfname)) == -1){
fprintf( FCGI_stdout, "Status: 404\r\n");
return NULL;
}
target = (target_param_t *)malloc( sizeof(target_param_t));
snprintf( target->tid, MAX_LENOFTID, "%x-%x", (unsigned int)time(NULL), (unsigned int)rand());
- target->filename = strdup( targetpath);
+ target->targetname = strdup( targetpath);
target->fd = fd;
+#ifdef SERVER
+ if( tmpfname[0])
+ target->tmpfname = strdup( tmpfname);
+ else
+ target->tmpfname = NULL;
+#endif
target->csn = last_csn++;
target->codeidx = jp2idx;
target->num_of_use = 0;
target->jptstream = isJPTfeasible( *jp2idx);
target->next=NULL;
- if( targetlist->first) // there are one or more entries
+ if( targetlist->first) /* there are one or more entries*/
targetlist->last->next = target;
- else // first entry
+ else /* first entry*/
targetlist->first = target;
targetlist->last = target;
void delete_target( target_param_t **target)
{
close( (*target)->fd);
-
+
+#ifdef SERVER
+ if( (*target)->tmpfname){
+ fprintf( FCGI_stderr, "Temporal file %s is deleted\n", (*target)->tmpfname);
+ remove( (*target)->tmpfname);
+ }
+#endif
+
if( (*target)->codeidx)
delete_index ( &(*target)->codeidx);
-
+
#ifndef SERVER
- fprintf( logstream, "local log: target: %s deleted\n", (*target)->filename);
+ fprintf( logstream, "local log: target: %s deleted\n", (*target)->targetname);
#endif
- free( (*target)->filename);
+ free( (*target)->targetname);
free(*target);
}
fprintf( logstream, "target:\n");
fprintf( logstream, "\t tid=%s\n", target->tid);
fprintf( logstream, "\t csn=%d\n", target->csn);
- fprintf( logstream, "\t target=%s\n\n", target->filename);
+ fprintf( logstream, "\t target=%s\n\n", target->targetname);
}
void print_alltarget( targetlist_param_t *targetlist)
while( foundtarget != NULL){
- if( strcmp( targetname, foundtarget->filename) == 0)
+ if( strcmp( targetname, foundtarget->targetname) == 0)
return foundtarget;
foundtarget = foundtarget->next;
return NULL;
}
-int open_jp2file( char filename[])
+int open_remotefile( char filepath[], char tmpfname[]);
+
+int open_jp2file( char filepath[], char tmpfname[])
{
int fd;
char *data;
-
- if( (fd = open( filename, O_RDONLY)) == -1){
- fprintf( FCGI_stdout, "Reason: Target %s not found\r\n", filename);
- return -1;
+
+ /* download remote target file to local storage*/
+ if( strncmp( filepath, "http://", 7) == 0){
+ if( (fd = open_remotefile( filepath, tmpfname)) == -1)
+ return -1;
+ }
+ else{
+ tmpfname[0] = 0;
+ if( (fd = open( filepath, O_RDONLY)) == -1){
+ fprintf( FCGI_stdout, "Reason: Target %s not found\r\n", filepath);
+ return -1;
+ }
}
- // Check resource is a JP family file.
+ /* Check resource is a JP family file.*/
if( lseek( fd, 0, SEEK_SET)==-1){
close(fd);
- fprintf( FCGI_stdout, "Reason: Target %s broken (lseek error)\r\n", filename);
+ fprintf( FCGI_stdout, "Reason: Target %s broken (lseek error)\r\n", filepath);
return -1;
}
- data = (char *)malloc( 12); // size of header
+ data = (char *)malloc( 12); /* size of header*/
+
if( read( fd, data, 12) != 12){
free( data);
close(fd);
- fprintf( FCGI_stdout, "Reason: Target %s broken (read error)\r\n", filename);
+ fprintf( FCGI_stdout, "Reason: Target %s broken (read error)\r\n", filepath);
return -1;
}
*(data + 3) != 12 || strncmp (data + 4, "jP \r\n\x87\n", 8)){
free( data);
close(fd);
- fprintf( FCGI_stdout, "Reason: No JPEG 2000 Signature box in target %s\r\n", filename);
+ fprintf( FCGI_stdout, "Reason: No JPEG 2000 Signature box in target %s\r\n", filepath);
return -1;
}
+
free( data);
+
+ return fd;
+}
+
+#ifdef SERVER
+static size_t write_data(void *ptr, size_t size, size_t nmemb, void *stream);
+#endif
+
+int open_remotefile( char filepath[], char tmpfname[])
+{
+#ifndef SERVER
+ (void)filepath;
+ (void)tmpfname;
+ fprintf( FCGI_stderr, "Remote file can not be opened in local mode\n");
+ return -1;
+
+#else
+
+ CURL *curl_handle;
+ int fd;
+
+ curl_handle = curl_easy_init();
+ curl_easy_setopt(curl_handle, CURLOPT_URL, filepath);
+ curl_easy_setopt(curl_handle, CURLOPT_NOPROGRESS, 1L);
+ curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, write_data);
+
+ snprintf( tmpfname, MAX_LENOFTID, "%x-%x.jp2", (unsigned int)time(NULL), (unsigned int)rand());
+ fprintf( FCGI_stderr, "%s is downloaded to a temporal new file %s\n", filepath, tmpfname);
+ if( (fd = open( tmpfname, O_RDWR|O_CREAT|O_EXCL, S_IRWXU)) == -1){
+ fprintf( FCGI_stdout, "Reason: File open error %s\r\n", tmpfname);
+ curl_easy_cleanup(curl_handle);
+ return -1;
+ }
+ curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, &fd);
+ curl_easy_perform(curl_handle);
+ curl_easy_cleanup(curl_handle);
+
return fd;
+#endif /*SERVER*/
+}
+
+#ifdef SERVER
+static size_t write_data(void *ptr, size_t size, size_t nmemb, void *stream)
+{
+ int *fd = (int *)stream;
+ int written = write( *fd, ptr, size*nmemb);
+
+ return written;
}
+#endif /*SERVER*/