Ejemplo n.º 1
0
void HostedObject::metadataDownloaded(OHConnectInfoPtr ocip,
                                    uint8 retryCount,
                                    std::tr1::shared_ptr<Transfer::MetadataRequest> request,
                                    std::tr1::shared_ptr<Transfer::RemoteFileMetadata> response)
{
  if (response != NULL || retryCount >= 3) {
    const Sirikata::Transfer::FileHeaders& headers = response->getHeaders();

    String zernike = "";
    if (headers.find("Zernike") != headers.end()) {
      zernike = (headers.find("Zernike"))->second;
    }

    ocip->zernike = zernike;

    mContext->mainStrand->post(std::tr1::bind(&HostedObject::objectHostConnectIndirect, this, ocip));
  }
  else if (retryCount < 3) {
      downloadZernikeDescriptor(ocip, retryCount+1);
  }
}
Ejemplo n.º 2
0
void MeerkatNameHandler::request_finished(std::tr1::shared_ptr<HttpManager::HttpResponse> response,
        HttpManager::ERR_TYPE error, const boost::system::error_code& boost_error,
        std::tr1::shared_ptr<MetadataRequest> request, NameCallback callback) {

    std::tr1::shared_ptr<RemoteFileMetadata> bad;

    if (error == Transfer::HttpManager::REQUEST_PARSING_FAILED) {
        SILOG(transfer, error, "Request parsing failed during an HTTP name lookup (" << request->getURI() << ")");
        callback(bad);
        return;
    } else if (error == Transfer::HttpManager::RESPONSE_PARSING_FAILED) {
        SILOG(transfer, error, "Response parsing failed during an HTTP name lookup (" << request->getURI() << ")");
        callback(bad);
        return;
    } else if (error == Transfer::HttpManager::BOOST_ERROR) {
        SILOG(transfer, error, "A boost error happened during an HTTP name lookup (" << request->getURI() << "). Boost error = " << boost_error.message());
        callback(bad);
        return;
    } else if (error != HttpManager::SUCCESS) {
        SILOG(transfer, error, "An unknown error happened during an HTTP name lookup. (" << request->getURI() << ")");
        callback(bad);
        return;
    }

    if (response->getHeaders().size() == 0) {
        SILOG(transfer, error, "There were no headers returned during an HTTP name lookup (" << request->getURI() << ")");
        callback(bad);
        return;
    }

    HttpManager::Headers::const_iterator it;
    it = response->getHeaders().find("Content-Length");
    if (it != response->getHeaders().end()) {
        SILOG(transfer, error, "Content-Length header was present when it shouldn't be during an HTTP name lookup (" << request->getURI() << ")");
        callback(bad);
        return;
    }

    if (response->getStatusCode() != 200) {
        SILOG(transfer, error, "HTTP status code = " << response->getStatusCode() << " instead of 200 during an HTTP name lookup (" << request->getURI() << ")");
        callback(bad);
        return;
    }

    it = response->getHeaders().find("File-Size");
    if (it == response->getHeaders().end()) {
        SILOG(transfer, error, "Expected File-Size header not present during an HTTP name lookup (" << request->getURI() << ")");
        callback(bad);
        return;
    }
    std::string file_size_str = it->second;

    it = response->getHeaders().find("Hash");
    if (it == response->getHeaders().end()) {
        SILOG(transfer, error, "Expected Hash header not present during an HTTP name lookup (" << request->getURI() << ")");
        callback(bad);
        return;
    }
    std::string hash = it->second;

    if (response->getData()) {
        SILOG(transfer, error, "Body present during an HTTP name lookup (" << request->getURI() << ")");
        callback(bad);
        return;
    }

    Fingerprint fp;
    try {
        fp = Fingerprint::convertFromHex(hash);
    } catch(std::invalid_argument e) {
        SILOG(transfer, error, "Hash header didn't contain a valid Fingerprint string (" << request->getURI() << ")");
        callback(bad);
        return;
    }

    std::istringstream istream(file_size_str);
    uint64 file_size;
    istream >> file_size;
    std::ostringstream ostream;
    ostream << file_size;
    if(ostream.str() != file_size_str) {
        SILOG(transfer, error, "Error converting File-Size header string to integer (" << request->getURI() << ")");
        callback(bad);
        return;
    }

    //Just treat everything as a single chunk for now
    Range whole(0, file_size, LENGTH, true);
    Chunk chunk(fp, whole);
    ChunkList chunkList;
    chunkList.push_back(chunk);

    std::tr1::shared_ptr<RemoteFileMetadata> met(new RemoteFileMetadata(fp, request->getURI(),
            file_size, chunkList, response->getRawHeaders()));

    callback(met);
    SILOG(transfer, detailed, "done http name handler request_finished");
}
Ejemplo n.º 3
0
void MeerkatChunkHandler::request_finished(std::tr1::shared_ptr<HttpManager::HttpResponse> response,
        HttpManager::ERR_TYPE error, const boost::system::error_code& boost_error,
        const URI& uri, std::tr1::shared_ptr<Chunk> chunk,
        bool chunkReq, ChunkCallback callback) {

    std::tr1::shared_ptr<DenseData> bad;
    std::string reqType = "file request";
    if(chunkReq) reqType = "chunk request";

    if (error == Transfer::HttpManager::REQUEST_PARSING_FAILED) {
        SILOG(transfer, error, "Request parsing failed during an HTTP " << reqType << " (" << uri << ")");
        callback(bad);
        return;
    } else if (error == Transfer::HttpManager::RESPONSE_PARSING_FAILED) {
        SILOG(transfer, error, "Response parsing failed during an HTTP " << reqType << " (" << uri << ")");
        callback(bad);
        return;
    } else if (error == Transfer::HttpManager::BOOST_ERROR) {
        SILOG(transfer, error, "A boost error happened during an HTTP " << reqType << ". Boost error = " << boost_error.message() << " (" << uri << ")");
        callback(bad);
        return;
    } else if (error != HttpManager::SUCCESS) {
        SILOG(transfer, error, "An unknown error happened during an HTTP " << reqType << " (" << uri << ")");
        callback(bad);
        return;
    }

    if (response->getHeaders().size() == 0) {
        SILOG(transfer, error, "There were no headers returned during an HTTP " << reqType << " (" << uri << ")");
        callback(bad);
        return;
    }

    HttpManager::Headers::const_iterator it;
    it = response->getHeaders().find("Content-Length");
    if (it == response->getHeaders().end()) {
        SILOG(transfer, error, "Content-Length header was not present when it should be during an HTTP " << reqType << " (" << uri << ")");
        callback(bad);
        return;
    }

    if (response->getStatusCode() != 200) {
        SILOG(transfer, error, "HTTP status code = " << response->getStatusCode() << " instead of 200 during an HTTP " << reqType << " (" << uri << ")");
        callback(bad);
        return;
    }

    if (!response->getData()) {
        SILOG(transfer, error, "Body not present during an HTTP " << reqType << " (" << uri << ")");
        callback(bad);
        return;
    }

    it = response->getHeaders().find("Content-Range");
    if (chunkReq && it == response->getHeaders().end()) {
        SILOG(transfer, error, "Expected Content-Range header not present during an HTTP " << reqType << " (" << uri << ")");
        callback(bad);
        return;
    } else if (chunkReq) {
        std::string range_str = it->second;
        bool range_parsed = false;

        if (range_str.substr(0,6) == "bytes ") {
            range_str = range_str.substr(6);
            size_type dashPos = range_str.find('-');
            if (dashPos != std::string::npos) {
                range_str.replace(dashPos, 1, " ");

                //total file size is optional
                size_type slashPos = range_str.find('/');
                if (slashPos != std::string::npos) {
                    range_str.replace(slashPos, 1, " ");
                }

                std::istringstream instream(range_str);
                uint64 range_start;
                uint64 range_end;
                instream >> range_start;
                instream >> range_end;

                if (range_start == chunk->getRange().startbyte() &&
                        range_end == chunk->getRange().endbyte() &&
                        response->getData()->length() == chunk->getRange().length()) {
                    range_parsed = true;
                }
            }
        }