@Override
public Resource getResource(String host, String sPath)
throws NotAuthorizedException, BadRequestException {
Path p = Path.path(sPath);
if (p.getName().startsWith("alt-")) {
Resource r = wrapped.getResource(host, p.getParent().toString());
if (r instanceof FileResource) {
FileResource fr = (FileResource) r;
String sourceHash = fr.getHash();
String formatName = p.getName().replace("alt-", "");
AltFormat f = AltFormat.find(sourceHash, formatName, SessionManager.session());
FormatSpec format = altFormatGenerator.findFormat(formatName);
if (f != null) {
return new AltFormatResource((FileResource) r, p.getName(), f, format);
} else {
log.warn(
"getResource: pre-generated alt format not found: "
+ sourceHash
+ " - "
+ p.getName());
// if the format is valid then create a resource which will generate on demand
if (format != null) {
System.out.println("created resource for format: " + format);
return new AltFormatResource((FileResource) r, p.getName(), format);
} else {
log.warn("getResource: unrecognised format: " + formatName);
}
return null;
}
} else {
return null;
}
} else {
return wrapped.getResource(host, sPath);
}
}
@Override
public void sendContent(
OutputStream out, Range range, Map<String, String> params, String contentType)
throws IOException, NotAuthorizedException, BadRequestException, NotFoundException {
MediaMetaData mmd = MediaMetaData.find(rPrimary.getHash(), SessionManager.session());
if (mmd != null) {
Integer durationSecs = mmd.getDurationSecs();
if (durationSecs != null) {
Response resp = HttpManager.response();
if (resp != null) {
System.out.println("set duration header: " + durationSecs);
resp.setNonStandardHeader("X-Content-Duration", durationSecs.toString());
}
}
} else {
System.out.println("no metadata for: " + rPrimary.getHash());
}
try {
boolean force = params.containsKey("force");
if (altFormat == null || force) {
// hack start
if (params.containsKey("args")) {
List<String> args = new ArrayList<>();
for (String s : params.get("args").split(",")) {
args.add(s);
}
String[] arr = new String[args.size()];
args.toArray(arr);
formatSpec.setConverterArgs(arr);
System.out.println("set args: " + arr);
}
// hack end
System.out.println("generate: " + getName());
GenerateJob j =
altFormatGenerator.getOrEnqueueJob(
rPrimary.getHash(), rPrimary.getName(), formatSpec);
System.out.println("got job: " + j);
// Wait until the file exists
int cnt = 0;
System.out.println("check if exists...");
while (!j.getDestFile().exists() && !j.done()) {
cnt++;
System.out.println(
"sleep..." + cnt + " .. " + j.getDestFile().exists() + " - " + j.done());
doSleep(cnt++, 200, 70);
}
System.out.println("finished sleepy check");
if (!j.getDestFile().exists()) {
throw new RuntimeException(
"Job did not create a destination file: " + j.getDestFile().getAbsolutePath());
}
System.out.println(
"use dest file: "
+ j.getDestFile().getAbsolutePath()
+ " size: "
+ j.getDestFile().length());
FileInputStream fin = new FileInputStream(j.getDestFile());
byte[] buf = new byte[1024];
System.out.println("send file...");
// Read the file until the job is done, or we run out of bytes
int s = fin.read(buf);
System.out.println("send file... " + s);
long bytes = 0;
while (!j.done() || s > 0) {
if (s < 0) { // no bytes available, but job is not done, so wait
System.out.println("sleep...");
doSleep(100);
} else {
System.out.println("write bytes: " + s);
bytes += s;
out.write(buf, 0, s);
}
s = fin.read(buf);
}
System.out.println("finished sending file: " + bytes);
} else {
System.out.println("using pre-existing al-format");
Combiner combiner = new Combiner();
List<String> fanoutCrcs = getFanout().getHashes();
combiner.combine(fanoutCrcs, hashStore, blobStore, out);
out.flush();
}
} catch (Throwable e) {
log.error("Exception sending content", e);
throw new IOException("Exception sending content");
}
}