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84 lines
3.0 KiB
84 lines
3.0 KiB
// Copyright 2017-2018 DERO Project. All rights reserved.
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// Use of this source code in any form is governed by RESEARCH license.
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// license can be found in the LICENSE file.
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// GPG: 0F39 E425 8C65 3947 702A 8234 08B2 0360 A03A 9DE8
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//
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package p2p
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import "encoding/binary"
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var FLAGS_VALUE uint32 = 0 // we donot support fluffly blocks at this point in time
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var support_response_bytes = [29]byte{0x01, 0x11, 0x01, 0x01, 0x01, 0x01, 0x02, 0x01, 0x01, 0x04, 0x0d, 0x73, 0x75, 0x70, 0x70,
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0x6f, 0x72, 0x74, 0x5f, 0x66, 0x6c, 0x61, 0x67, 0x73, 0x06, 0x00, 0x00, 0x00, 0x00}
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// handle P2P_COMMAND_REQUEST_SUPPORT_FLAGS
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func Handle_P2P_Support_Flags(connection *Connection,
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i_command_header *Levin_Header, buf []byte) {
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// deserialize data header
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var i_data_header Levin_Data_Header // incoming data header
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err := i_data_header.DeSerialize(buf)
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if err != nil {
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connection.logger.Debugf("We should destroy connection here, data header cnot deserialized")
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connection.Exit = true
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return
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}
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// make sure data is length 10
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// create a new response header
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var o_command_header Levin_Header
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//var o_data_header Levin_Data_Header
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binary.LittleEndian.PutUint32(support_response_bytes[25:], FLAGS_VALUE) // packed 8+8+1+4 bytes
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o_command_header.CB = uint64(len(support_response_bytes))
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o_command_header.Command = P2P_COMMAND_REQUEST_SUPPORT_FLAGS
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o_command_header.ReturnData = false
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o_command_header.Flags = LEVIN_PACKET_RESPONSE
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o_command_header_bytes, _ := o_command_header.Serialize()
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connection.Conn.Write(o_command_header_bytes)
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connection.Conn.Write(support_response_bytes[:])
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}
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// send the hand shake
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func Send_SupportFlags_Command(connection *Connection) {
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connection.Lock()
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var o_command_header Levin_Header
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var o_data_header Levin_Data_Header
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o_data_bytes, _ := o_data_header.Serialize()
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o_command_header.CB = uint64(len(o_data_bytes))
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o_command_header.Command = P2P_COMMAND_REQUEST_SUPPORT_FLAGS
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o_command_header.ReturnData = true
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o_command_header.Flags = LEVIN_PACKET_REQUEST
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o_command_header_bytes, _ := o_command_header.Serialize()
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connection.Conn.Write(o_command_header_bytes)
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connection.Conn.Write(o_data_bytes)
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connection.Command_queue.PushBack(uint32(P2P_COMMAND_REQUEST_SUPPORT_FLAGS))
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connection.Unlock()
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}
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