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author | 2016-10-07 14:13:19 +0200 | |
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committer | 2016-10-07 14:13:19 +0200 | |
commit | ff01b716711b97c2fcaa709ea97f7650f106aa10 (patch) | |
tree | 50dd4d687f38f50c4e136af030c02c267c769f3a /3rdparty/asio/src/examples/cpp03/chat/chat_message.hpp | |
parent | 2a138159c30457aecd9e9679be5159704db0f954 (diff) |
Added ASIO networking library (nw)
Diffstat (limited to '3rdparty/asio/src/examples/cpp03/chat/chat_message.hpp')
-rw-r--r-- | 3rdparty/asio/src/examples/cpp03/chat/chat_message.hpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/3rdparty/asio/src/examples/cpp03/chat/chat_message.hpp b/3rdparty/asio/src/examples/cpp03/chat/chat_message.hpp new file mode 100644 index 00000000000..ceeef2f03f8 --- /dev/null +++ b/3rdparty/asio/src/examples/cpp03/chat/chat_message.hpp @@ -0,0 +1,93 @@ +// +// chat_message.hpp +// ~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// +// Distributed under the Boost Software License, Version 1.0. (See accompanying +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// + +#ifndef CHAT_MESSAGE_HPP +#define CHAT_MESSAGE_HPP + +#include <cstdio> +#include <cstdlib> +#include <cstring> + +class chat_message +{ +public: + enum { header_length = 4 }; + enum { max_body_length = 512 }; + + chat_message() + : body_length_(0) + { + } + + const char* data() const + { + return data_; + } + + char* data() + { + return data_; + } + + size_t length() const + { + return header_length + body_length_; + } + + const char* body() const + { + return data_ + header_length; + } + + char* body() + { + return data_ + header_length; + } + + size_t body_length() const + { + return body_length_; + } + + void body_length(size_t new_length) + { + body_length_ = new_length; + if (body_length_ > max_body_length) + body_length_ = max_body_length; + } + + bool decode_header() + { + using namespace std; // For strncat and atoi. + char header[header_length + 1] = ""; + strncat(header, data_, header_length); + body_length_ = atoi(header); + if (body_length_ > max_body_length) + { + body_length_ = 0; + return false; + } + return true; + } + + void encode_header() + { + using namespace std; // For sprintf and memcpy. + char header[header_length + 1] = ""; + sprintf(header, "%4d", static_cast<int>(body_length_)); + memcpy(data_, header, header_length); + } + +private: + char data_[header_length + max_body_length]; + size_t body_length_; +}; + +#endif // CHAT_MESSAGE_HPP |