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) {
mStats.resolved++;
mStats.bytesTransferred += (response->getBytesSent() + response->getBytesReceived());
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");
}
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) {
mStats.downloaded++;
mStats.bytesTransferred += (response->getBytesSent() + response->getBytesReceived());
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;
}
}
}