Ability to retrieve track info

.gitignore

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+.dub
+docs.json
+__dummy.html
+*.o
+*.obj
+__test__*__

dub.json

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+{
+  "name" : "anmusic",
+  "authors" : [
+    "aNNiMON"
+  ],
+  "description" : "aNMusic",
+  "copyright" : "Copyright © 2017, aNNiMON",
+  "license" : "free"
+}

source/aimpremote/aimpremote.d

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+module aimpremote;
+
+import core.sys.windows.windows;
+
+private const wstring AIMPRemoteAccessClass = "AIMP2_RemoteInfo";
+private const int AIMPRemoteAccessMapFileSize = 2048;
+
+align(1)
+private struct AIMPRemoteFileInfo
+{
+    DWORD deprecated1;
+    BOOL active;
+    DWORD bitRate;
+    DWORD channels;
+    DWORD duration;
+    align(4) INT64 fileSize;
+    DWORD fileMark;
+    DWORD sampleRate;
+    DWORD trackNumber;
+    DWORD albumLength;
+    DWORD artistLength;
+    DWORD dateLength;
+    DWORD fileNameLength;
+    DWORD genreLength;
+    DWORD titleLength;
+    DWORD[6] deprecated2;
+};
+
+private enum TagItem {
+    Album, Artist, Date, FileName, Genre, Title
+}
+
+public struct TrackInfo {
+    wstring artist;
+    wstring title;
+    wstring genre;
+};
+
+public static TrackInfo getInfo() {
+    import std.conv : to;
+    import std.traits : EnumMembers;
+
+    auto haimp = OpenFileMapping(FILE_MAP_READ, 0, AIMPRemoteAccessClass.ptr);
+    const auto hfilemap = MapViewOfFile(haimp, FILE_MAP_READ, 0, 0, AIMPRemoteAccessMapFileSize);
+
+    AIMPRemoteFileInfo* info = cast(AIMPRemoteFileInfo*) hfilemap;
+    auto bytes = (cast(ubyte*) hfilemap)[0 .. AIMPRemoteAccessMapFileSize];
+
+    const wcharsize = wchar.sizeof;
+    auto pbuff = AIMPRemoteFileInfo.sizeof;
+
+    DWORD[TagItem] lengthInfo;
+    wstring[TagItem] trackInfo;
+
+    lengthInfo[TagItem.Album] = info.albumLength;
+    lengthInfo[TagItem.Artist] = info.artistLength;
+    lengthInfo[TagItem.Date] = info.dateLength;
+    lengthInfo[TagItem.FileName] = info.fileNameLength;
+    lengthInfo[TagItem.Genre] = info.genreLength;
+    lengthInfo[TagItem.Title] = info.titleLength;
+    foreach (index, immutable item; [EnumMembers!TagItem]) {
+        auto key = to!TagItem(index);
+        auto length = lengthInfo[key];
+        trackInfo[key] = cast(wstring)(bytes[pbuff .. (pbuff + length * wcharsize)]);
+        pbuff += length * wcharsize;
+    }
+
+    TrackInfo result = {
+        artist: trackInfo[TagItem.Artist],
+        title: trackInfo[TagItem.Title],
+        genre: trackInfo[TagItem.Genre]
+    };
+    return result;
+}
+
+private static HWND findPlayerWindow() {
+    return FindWindow(AIMPRemoteAccessClass.ptr, null);
+}
+
+/*void main() {
+    import std.stdio : writeln, write;
+
+    auto haimp = OpenFileMapping(FILE_MAP_READ, 0, AIMPRemoteAccessClass.ptr);
+    auto hfilemap = MapViewOfFile(haimp, FILE_MAP_READ, 0, 0, AIMPRemoteAccessMapFileSize);
+
+    AIMPRemoteFileInfo* info = cast(AIMPRemoteFileInfo*) hfilemap;
+    write("Bitrate: ");
+    writeln(info.bitRate);
+    write("Samplerate: ");
+    writeln(info.sampleRate);
+    write("fileSize: ");
+    writeln(info.fileSize);
+
+    auto bytes = (cast(ubyte*) hfilemap)[0 .. AIMPRemoteAccessMapFileSize];
+    writeln(bytes);
+
+
+    const wcharsize = wchar.sizeof;
+    auto pbuff = AIMPRemoteFileInfo.sizeof;
+
+    DWORD[TagItem] lengthInfo;
+    wstring[TagItem] trackInfo;
+
+    lengthInfo[TagItem.Album] = info.albumLength;
+    lengthInfo[TagItem.Artist] = info.artistLength;
+    lengthInfo[TagItem.Date] = info.dateLength;
+    lengthInfo[TagItem.FileName] = info.fileNameLength;
+    lengthInfo[TagItem.Genre] = info.genreLength;
+    lengthInfo[TagItem.Title] = info.titleLength;
+    foreach (key; TagItem.min .. TagItem.max) {
+        auto length = lengthInfo[key];
+        trackInfo[key] = cast(wstring)(bytes[pbuff .. (pbuff + length * wcharsize)]);
+        pbuff += length * wcharsize;
+    }
+
+    foreach (key, value; trackInfo) {
+        writeln(value);
+    }
+}*/

source/app.d

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+import std.stdio;
+import std.net.curl;
+import aimpremote;
+
+
+void main()
+{
+    auto http = HTTP();
+    // http.caInfo("cacert.pem");
+    http.handle.set(CurlOption.ssl_verifypeer, 0);
+
+    auto track = getInfo();
+
+    auto content = post("https://annimon.com/json/nowplay", [
+        "login" : "test",
+        "token" : "5token",
+        "artist" : to!string(track.artist),
+        "title" : to!string(track.title),
+        "genre" : to!string(track.genre)
+    ], http);
+}