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| 1 | - | class Protocol::AsyncHelper {
|
| 1 | + | template <class AsyncReadStream > |
| 2 | - | typedef boost::shared_ptr<Protocol::AsyncHelper> AsyncHelperP; |
| 2 | + | class Protocol::AsyncHelper: |
| 3 | public boost::enable_shared_from_this< Protocol:: | |
| 4 | - | AsyncHelper(Protocol &protocol) : |
| 4 | + | AsyncHelper< AsyncReadStream > > {
|
| 5 | ||
| 6 | - | protocol_(protocol) {}
|
| 6 | + | |
| 7 | - | template <class AsyncReadStream> |
| 7 | + | AsyncHelper(Protocol &protocol, |
| 8 | - | void AsyncReadMessage(AsyncReadStream &stream, |
| 8 | + | AsyncReadStream &stream, |
| 9 | - | AsyncReadHandler handler) {
|
| 9 | + | AsyncReadHandler handler) : |
| 10 | - | AsyncHelperP ptr(this); |
| 10 | + | |
| 11 | protocol_(protocol), | |
| 12 | - | boost::asio::async_read(stream, boost::asio::buffer(&buf[0], |
| 12 | + | stream_(stream), |
| 13 | handler_(handler) {}
| |
| 14 | - | boost::bind(&AsyncHelper |
| 14 | + | |
| 15 | - | ::AsyncReadHeader<AsyncReadStream>, |
| 15 | + | void AsyncReadMessage() {
|
| 16 | - | this, |
| 16 | + | |
| 17 | - | boost::asio::placeholders::error, |
| 17 | + | boost::asio::async_read(stream_, boost::asio::buffer(&buf[0], |
| 18 | - | boost::ref(stream), |
| 18 | + | |
| 19 | - | handler, |
| 19 | + | boost::bind(&AsyncHelper::AsyncReadHeader, |
| 20 | - | ptr)); |
| 20 | + | shared_from_this(), |
| 21 | boost::asio::placeholders::error)); | |
| 22 | } | |
| 23 | - | template <class AsyncReadStream> |
| 23 | + | |
| 24 | - | void AsyncReadHeader(const boost::system::error_code &ec, |
| 24 | + | void AsyncReadHeader(const boost::system::error_code &ec) {
|
| 25 | - | AsyncReadStream &stream, |
| 25 | + | |
| 26 | - | AsyncReadHandler handler, |
| 26 | + | handler_(MessageP(), ProtocolExceptionP( |
| 27 | - | AsyncHelperP ptr) {
|
| 27 | + | |
| 28 | "AsyncHelper::AsyncReadHeader."))); | |
| 29 | - | handler(MessageP(), ProtocolExceptionP( |
| 29 | + | return; |
| 30 | } | |
| 31 | uint32_t id = reinterpret_cast<uint32_t*>(&buf[0])[0]; | |
| 32 | - | } else {
|
| 32 | + | uint32_t size = reinterpret_cast<uint32_t*>(&buf[0])[1]; |
| 33 | - | uint32_t id = reinterpret_cast<uint32_t*>(&buf[0])[0]; |
| 33 | + | buf.reset(new uint8_t[size]); |
| 34 | - | uint32_t size = reinterpret_cast<uint32_t*>(&buf[0])[1]; |
| 34 | + | boost::asio::async_read(stream_, boost::asio::buffer(&buf[0], size), |
| 35 | - | buf.reset(new uint8_t[size]); |
| 35 | + | boost::bind(&AsyncHelper::AsyncReadBody, |
| 36 | - | boost::asio::async_read(stream, boost::asio::buffer(&buf[0], size), |
| 36 | + | shared_from_this(), |
| 37 | - | boost::bind(&AsyncHelper |
| 37 | + | boost::asio::placeholders::error, |
| 38 | - | ::AsyncReadBody<AsyncReadStream>, |
| 38 | + | id, |
| 39 | - | this, |
| 39 | + | size); |
| 40 | - | boost::asio::placeholders::error, |
| 40 | + | |
| 41 | - | id, |
| 41 | + | |
| 42 | - | size, |
| 42 | + | |
| 43 | - | handler, |
| 43 | + | uint32_t id, uint32_t size) {
|
| 44 | - | ptr)); |
| 44 | + | |
| 45 | handler_(MessageP(), ProtocolExceptionP( | |
| 46 | new ProtocolException("IO error in Protocol::"
| |
| 47 | "AsyncHelper::AsyncReadBody."))); | |
| 48 | - | template <class AsyncReadStream> |
| 48 | + | return; |
| 49 | } | |
| 50 | - | uint32_t id, uint32_t size, |
| 50 | + | |
| 51 | - | AsyncReadHandler handler, |
| 51 | + | ProtocolExceptionP exception; |
| 52 | - | AsyncHelperP ptr) {
|
| 52 | + | MessageP message; |
| 53 | try {
| |
| 54 | - | handler(MessageP(), ProtocolExceptionP( |
| 54 | + | message = protocol_.helpers_[id]->ReadMessage(&buf[0], size); |
| 55 | } catch (ProtocolException &e) {
| |
| 56 | exception.reset(new ProtocolException(e)); | |
| 57 | - | } else {
|
| 57 | + | |
| 58 | - | ProtocolExceptionP exception; |
| 58 | + | handler_(message, exception); |
| 59 | - | MessageP message; |
| 59 | + | |
| 60 | - | try {
|
| 60 | + | |
| 61 | - | message = protocol_.helpers_[id]->ReadMessage(&buf[0], size); |
| 61 | + | |
| 62 | - | } catch (ProtocolException &e) {
|
| 62 | + | |
| 63 | - | exception.reset(new ProtocolException(e)); |
| 63 | + | AsyncReadStream &stream_; |
| 64 | - | } |
| 64 | + | AsyncReadHandler handler_; |
| 65 | - | handler(message, exception); |
| 65 | + | |
| 66 | ||
| 67 | template <class AsyncReadStream> | |
| 68 | void Protocol::AsyncReadMessage(AsyncReadStream &stream, | |
| 69 | AsyncReadHandler handler) {
| |
| 70 | typedef AsyncHelper< AsyncReadStream > Helper; | |
| 71 | boost::shared_ptr< Helper > helper(new Helper(*this, stream, handler)); | |
| 72 | helper->AsyncReadMessage(); | |
| 73 | } |