Class CSendFile

test/sendfile/SendFileClient.cpp:13–108

using namespace cppnet;

class CSendFile {
public:
    CSendFile(const std::string& file, cppnet::CCppNet* net) : _status(hello),
            _file_name(file), _net(net) {
    }

    ~CSendFile() {

    }

    void OnRecv(const Handle& handle, base::CBuffer* data, uint32_t len, uint32_t err) {
        if (err != CEC_SUCCESS) {
            std::cout << "something error while read." << std::endl;
            return;
        }
        
        char ret_char[4] = {0};
        if (data->GetCanReadLength() >= 2) {
            data->Read(ret_char, 4);

        } else {
            return;
        }
        std::string ret(ret_char);
        std::cout << "recv from server : " << ret << std::endl;

        if (_status == hello) {
            if (ret == "OK") {
                std::cout << "start to send file ..." << std::endl;
                _status = sending;
                Send(handle);

            } else {
                std::cout << "server refuse recv the file!" << std::endl;
            }

        } else if (_status == sending) {
            if (ret == "OK") {
                std::cout << "send file success!" << std::endl;

            } else {
                std::cout << "something error while sending!" << std::endl;
            }

            handle->Close();
            delete _net;
        }
    }

    void OnConnect(const Handle& handle, uint32_t err) {
        if (err == CEC_SUCCESS) {
            std::cout << "start to header ..." << std::endl;
            GetFileHeader();
            std::cout << "get file name   : " << _header._name << std::endl;
            std::cout << "get file length : " << _header._length << std::endl;
            std::cout << "get file md5    : " << _header._md5 << std::endl;
            handle->Write((char*)&_header, sizeof(_header));