default option set to download single zip

src/php_top/elphel_functions_include.php

@@ -128,7 +128,7 @@ function respond_xml($result,$error=null,$color_mode = 3){ // default white bold
 // PARALLEL HTTP REQUESTS
 
 // Using parallel requests, PHP has to be configured '--with-curl=' (and libcurl should be installed)
-function curl_multi_start($urls) {
+function curl_multi_start($urls, $with_headers=0) {
 	// numprime is needed to actually send the request and remote starts executing it
 	// Not really clear - what it should be
 	$numprime = 4; // magic number, see http://lampe2e.blogspot.com/2015/03/making-stuff-faster-with-curlmultiexec.html
@@ -138,7 +138,7 @@ function curl_multi_start($urls) {
 		$ch = curl_init ();
 		curl_setopt ($ch, CURLOPT_URL, $url);
 		curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
-		curl_setopt ($ch, CURLOPT_HEADER, 0);
+		curl_setopt ($ch, CURLOPT_HEADER, $with_headers);
 		$aCurlHandles[] = $ch;
 		curl_multi_add_handle ($curl_mh, $ch);
 	}
@@ -152,7 +152,7 @@ function curl_multi_start($urls) {
 	return array ("mh" => $curl_mh,"handles" => $aCurlHandles);
 }
 
-function curl_multi_finish($data, $use_xml=true, $ntry=0, $echo = false) {
+function curl_multi_finish($data, $use_xml=true, $ntry=0, $echo = false, $with_headers = 0) {
 	$curl_active = 1;
 	$curl_mrc = CURLM_OK;
 	$nrep = 0;
@@ -170,6 +170,7 @@ function curl_multi_finish($data, $use_xml=true, $ntry=0, $echo = false) {
 		}
 	}
 	$results = array ();
+	$names = array ();
 	if ($use_xml) {
 		foreach ($data['handles'] as $i => $ch) {
 			$xml = simplexml_load_string (curl_multi_getcontent ($ch));
@@ -187,13 +188,50 @@ function curl_multi_finish($data, $use_xml=true, $ntry=0, $echo = false) {
 		foreach ($data['handles'] as $i => $ch) {
 			$r = curl_multi_getcontent ($ch);
 			curl_multi_remove_handle ($curl_mh, $ch);
+			if ($with_headers==1){
+				$hsize = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
+				$h = substr($r, 0, $hsize);
+				$r = substr($r, $hsize);
+				$names[] = curl_get_filename_from_header($h);
+			}
 			$results[] = $r;
 		}
+		if ($with_headers==1){
+			$results = Array('names' => $names,'contents'=> $results);
+		}
 	}
 	curl_multi_close ($curl_mh);
 	return $results;
 }
 
+function curl_get_filename_from_header($h){
+
+	$h = explode("\n",$h);
+	$res = "";
+	if ($h){
+		foreach($h as $e){
+			if (strlen($e)!=0){
+				$tmp = explode(":",$e);
+				if ($tmp[0]=="Content-Disposition"){
+					$tmp = explode(";",$tmp[1]);
+					foreach($tmp as $t){
+						$t = trim($t);
+						$t = explode("=",$t);
+						if ($t[0]=="filename"){
+							$res = trim($t[1]," \t\n\r\0\x0B\"");
+							break;
+						}
+					}
+					break;
+				}
+			}
+		}
+	}
+
+	return $res;
+
+}
+
 // DEVICES
 
 /** Get a list of suitable partitions. The list will contain SATA devices only and

src/snapshot/index.php

@@ -22,6 +22,8 @@
 ?>
 <?php
 
+  include "../include/elphel_functions_include.php";
+
   $port0 = 2323;
   $path = "/sys/devices/soc0/elphel393-detect_sensors@0";
   $available_ports = Array();
@@ -99,48 +101,53 @@
 
     if (isset($_GET['zip'])){
 
-      $tmpdir = "/tmp/snapshot";
-
-      // create tmp dir
-      if (!is_dir($tmpdir)){
-        mkdir($tmpdir);
+      $contents = Array();
+      $filenames = Array();
+      $rqs = Array();
+      foreach($available_ports as $port){
+        array_push($rqs,"http://{$_SERVER['SERVER_ADDR']}:$port/timestamp_name/bimg");
       }
+      $cdata = curl_multi_start($rqs,1);
+      $results = curl_multi_finish($cdata,false,0,false,1);
 
+      $filenames = $results['names'];
+      $contents = $results['contents'];
+
+      /*
       foreach($available_ports as $port){
-        exec("wget --content-disposition -P $tmpdir http://{$_SERVER['SERVER_ADDR']}:$port/timestamp_name/bimg");
+        //exec("wget --content-disposition -P $tmpdir http://{$_SERVER['SERVER_ADDR']}:$port/timestamp_name/bimg");
+        //fopen("http://{$_SERVER['SERVER_ADDR']}:$port/timestamp_name/bimg",'r');
+        $content = file_get_contents("http://{$_SERVER['SERVER_ADDR']}:$port/timestamp_name/bimg");
+        $filename = get_filename_from_headers($http_response_header);
+        if ($filename==""){
+          $filename = "bimg.jp4";
+        }
+        array_push($filenames,$filename);
+        array_push($contents,$content);
       }
+      */
 
-      $fstring = "";
-      $zipfile = "bimg.zip";
+      $zipfilename = preg_replace("/_\d+\.jp4$/",".zip",$filenames[0]);
 
-      $files = scandir($tmpdir);
-      //remove . & ..
-      array_splice($files,0,2);
+      //tmpfile
+      $tmpfile = tmpfile();
+      $tmpfilename = stream_get_meta_data($tmpfile)['uri'];
 
-      $prefixed_files = preg_filter('/^/', "$tmpdir/", $files);
-      $fstring = implode(" ",$prefixed_files);
+      $zip = new ZipArchive;
 
-      // pick name for the zip archive
-      foreach($files as $file){
-        $tmp = explode(".",$file);
-        if ($tmp[1]=="jp4"||$tmp[1]=="jpeg"){
-          $tmp = explode("_",$tmp[0]);
-          if ($tmp[2]=="0"){
-            $zipfile = $tmp[0]."_".$tmp[1].".zip";
-            break;
-          }
+      if ($zip->open($tmpfilename, ZipArchive::OVERWRITE)!==TRUE) {
+        die("cannot access temporary file <$tmpfilename>\n");
       }
+
+      foreach($filenames as $k=>$v){
+        $zip->addFromString($v,$contents[$k]);
       }
 
-      $zipped_data = `zip -qj - $fstring `;
-      header('Content-type: application/zip');
-      header('Content-Disposition: attachment; filename="'.$zipfile.'"');
-      echo $zipped_data;
+      $zip->close();
 
-      // clean up
-      foreach($prefixed_files as $file){
-        unlink($file);
-      }
+      header('Content-type: application/zip');
+      header('Content-Disposition: attachment; filename="'.$zipfilename.'"');
+      echo file_get_contents($tmpfilename);
 
       die();
 

src/snapshot/snapshot.js

@@ -59,6 +59,8 @@ function download_all(rtp){
           pass_to_file_reader(filename,http.response);
           if ($("#synced").prop("checked")) {
             read_tp();
+          }else{
+            $("#snapshot").attr("disabled",false);
           }
         }
       };