<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>libnjb: getfile.c</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.7.3 -->
<div id="top">
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">libnjb <span id="projectnumber">2.2.6</span></div>
</td>
</tr>
</tbody>
</table>
</div>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="annotated.html"><span>Data Structures</span></a></li>
<li><a href="files.html"><span>Files</span></a></li>
<li><a href="dirs.html"><span>Directories</span></a></li>
<li><a href="examples.html"><span>Examples</span></a></li>
</ul>
</div>
</div>
<div class="header">
<div class="headertitle">
<h1>getfile.c</h1> </div>
</div>
<div class="contents">
<div class="fragment"><pre class="fragment"><span class="preprocessor">#include "common.h"</span>
<span class="keywordtype">int</span> progress(u_int64_t sent, u_int64_t total, <span class="keyword">const</span> <span class="keywordtype">char</span>* buf, <span class="keywordtype">unsigned</span> len, <span class="keywordtype">void</span> *data );
<span class="keywordtype">void</span> usage(<span class="keywordtype">void</span>);
<span class="keywordtype">int</span> main (<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
{
<a name="_a0"></a><a class="code" href="structnjb__struct.html">njb_t</a> njbs[<a name="a1"></a><a class="code" href="libnjb_8h.html#a46e41076f44166b6446e3fdae6db62a9">NJB_MAX_DEVICES</a>], *njb;
<span class="keywordtype">int</span> n, opt, debug;
u_int32_t id;
u_int64_t size;
<span class="keyword">extern</span> <span class="keywordtype">int</span> optind;
<span class="keyword">extern</span> <span class="keywordtype">char</span> *optarg;
<span class="keywordtype">char</span> *endptr;
<span class="keywordtype">char</span> *file;
debug= 0;
size= 0;
<span class="keywordflow">while</span> ( (opt= getopt(argc, argv, <span class="stringliteral">"D:s:"</span>)) != -1 ) {
<span class="keywordflow">switch</span> (opt) {
<span class="keywordflow">case</span> <span class="charliteral">'D'</span>:
debug= atoi(optarg);
<span class="keywordflow">break</span>;
<span class="keywordflow">case</span> <span class="charliteral">'s'</span>:
size= strtoul(optarg, &endptr, 10);
<span class="keywordflow">if</span> ( *endptr != <span class="charliteral">'\0'</span> ) {
fprintf(stderr, <span class="stringliteral">"illegal size value %s\n"</span>,
optarg);
<span class="keywordflow">return</span> 1;
}
<span class="keywordflow">break</span>;
<span class="keywordflow">default</span>:
usage();
<span class="keywordflow">return</span> 1;
}
}
argc -= optind;
argv += optind;
<span class="keywordflow">if</span> ( argc != 2 ) {
usage();
<span class="keywordflow">return</span> 1;
}
<span class="keywordtype">id</span> = strtoul(argv[0], &endptr, 10);
<span class="keywordflow">if</span> ( *endptr != 0 ) {
fprintf(stderr, <span class="stringliteral">"illegal value %s\n"</span>, optarg);
<span class="keywordflow">return</span> 1;
} <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( ! <span class="keywordtype">id</span> ) {
fprintf(stderr, <span class="stringliteral">"bad file id %u\n"</span>, <span class="keywordtype">id</span>);
<span class="keywordflow">return</span> 1;
}
file = argv[1];
<span class="keywordflow">if</span> ( debug ) <a name="a2"></a><a class="code" href="group__internals.html#gaa5ff48cc89e320bc1c1d89efd2613d77">NJB_Set_Debug</a>(debug);
<span class="keywordflow">if</span> (<a name="a3"></a><a class="code" href="group__basic.html#ga199efd7711a70ae5d63f4052c2e492d3">NJB_Discover</a>(njbs, 0, &n) == -1) {
fprintf(stderr, <span class="stringliteral">"could not locate any jukeboxes\n"</span>);
<span class="keywordflow">return</span> 1;
}
<span class="keywordflow">if</span> ( n == 0 ) {
fprintf(stderr, <span class="stringliteral">"no NJB devices found\n"</span>);
<span class="keywordflow">return</span> 0;
}
njb = njbs;
<span class="keywordflow">if</span> ( <a name="a4"></a><a class="code" href="group__basic.html#gaa631536b597d8f8cb73eeb47eff6640a">NJB_Open</a>(njb) == -1 ) {
<a name="a5"></a><a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb, stderr);
<span class="keywordflow">return</span> 1;
}
<a name="a6"></a><a class="code" href="group__basic.html#ga023eb258743b5961ec1b85cbd62a55cb">NJB_Capture</a>(njb);
<span class="keywordflow">if</span> ( ! size ) {
<a name="_a7"></a><a class="code" href="structnjb__datafile__struct.html">njb_datafile_t</a> *df;
printf(<span class="stringliteral">"Locating file %u\n"</span>, <span class="keywordtype">id</span>);
<a name="a8"></a><a class="code" href="group__datatagapi.html#gae05722e976c41992fbb6323b9edd617a">NJB_Reset_Get_Datafile_Tag</a>(njb);
<span class="keywordflow">while</span> ( (df = <a name="a9"></a><a class="code" href="group__datatagapi.html#gac7c33df215b2471b2d328a6347af6ab2">NJB_Get_Datafile_Tag</a>(njb)) ) {
<span class="keywordflow">if</span> ( df-><a name="a10"></a><a class="code" href="structnjb__datafile__struct.html#acb6d2f4f5fd2c1ea2f9c51fe703887f7">dfid</a> == <span class="keywordtype">id</span> ) {
size = df-><a name="a11"></a><a class="code" href="structnjb__datafile__struct.html#aa63b9f2be9c278f1debe38b1b7262c19">filesize</a>;
}
<a name="a12"></a><a class="code" href="group__datatagapi.html#gaf5614490c92803428e896967355431a5">NJB_Datafile_Destroy</a>(df);
}
<span class="comment">/* Dump any pending errors */</span>
<a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb, stderr);
<span class="keywordflow">if</span> ( size ) {
printf(<span class="stringliteral">"%Lu bytes\n"</span>, size);
} <span class="keywordflow">else</span> {
fprintf(stderr, <span class="stringliteral">"File %u not found\n"</span>, <span class="keywordtype">id</span>);
}
}
<span class="keywordflow">if</span> ( size ) {
<span class="keywordflow">if</span> ( NJB_Get_File(njb, <span class="keywordtype">id</span>, (u_int32_t) size, file, progress, NULL ) == -1 ) {
<a class="code" href="group__internals.html#gae9b849a9a883fe1fd697278bd8d49585">NJB_Error_Dump</a>(njb, stderr);
}
printf(<span class="stringliteral">"\n"</span>);
}
<a name="a13"></a><a class="code" href="group__basic.html#ga69d4034384f1bd033ed2c9ba7a9b32d4">NJB_Release</a>(njb);
<a name="a14"></a><a class="code" href="group__basic.html#ga13a9c926c430f38f3a6535ecaaf3e9b9">NJB_Close</a>(njb);
<span class="keywordflow">return</span> 0;
}
<span class="keywordtype">int</span> progress (u_int64_t sent, u_int64_t total, <span class="keyword">const</span> <span class="keywordtype">char</span>* buf, <span class="keywordtype">unsigned</span> len, <span class="keywordtype">void</span> *data)
{
<span class="keywordtype">int</span> percent = (sent*100)/total;
<span class="preprocessor">#ifdef __WIN32__</span>
<span class="preprocessor"></span> printf(<span class="stringliteral">"Progress: %I64u of %I64u (%d%%)\r"</span>, sent, total, percent);
<span class="preprocessor">#else</span>
<span class="preprocessor"></span> printf(<span class="stringliteral">"Progress: %llu of %llu (%d%%)\r"</span>, sent, total, percent);
<span class="preprocessor">#endif</span>
<span class="preprocessor"></span> fflush(stdout);
<span class="keywordflow">return</span> 0;
}
<span class="keywordtype">void</span> usage (<span class="keywordtype">void</span>)
{
fprintf(stderr, <span class="stringliteral">"getfile [ -s size ] <fileid> <filename>\n"</span>);
}
</pre></div> </div>
</div>
<hr class="footer"/><address class="footer"><small>Generated on Mon May 2 2011 06:05:24 for libnjb by 
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address>
</body>
</html>
