140 lines
3.5 KiB
C++
140 lines
3.5 KiB
C++
/*
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* eth_udp_client.hpp
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*
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* Created on: 15 <20><><EFBFBD>. 2023 <20>.
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* Author: sychev
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*/
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#ifndef FREE_RTOS_ETHERNET_IP_ETH_UDP_CLIENT_HPP_
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#define FREE_RTOS_ETHERNET_IP_ETH_UDP_CLIENT_HPP_
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#include <array>
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#include <vector>
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#include <atomic>
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#include <iterator>
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#include <cstdint>
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#include <networking/enet/utils/include/enet_apputils.h>
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#include "free_rtos/semaphore/semaphore.hpp"
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#include "free_rtos/mutex/mutex.hpp"
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#include "free_rtos/ethernet/eth_frame.h"
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#include "free_rtos/ethernet_ip/eth_ip_iface.hpp"
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#include "free_rtos/ethernet/eth_types.h"
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#include "free_rtos/ethernet_ip/eth_udp_types.h"
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#include "free_rtos/handler_store/handler_store.hpp"
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namespace free_rtos {
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struct UDPHandlerArgs : public IpHandlerArgs {
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void * p_data;
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TUdpHeader udp_header;
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};
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enum UDPToggle : uint32_t {
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UDP_BUF_0 = 0,
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UDP_BUF_1,
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UDP_BUF_NUM,
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UDP_BUSY = UDP_BUF_NUM
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};
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class EthUpdClient : public Handler {
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friend class EthUdpServer;
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public:
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EthUpdClient(EthIpIface& ip_iface, TEthMacPorts port_id,
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uint16_t port_dst_be, uint16_t port_src_be,
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bool use_chksum);
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virtual int32_t Process(uint8_t * p_data, uint32_t len) override;
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virtual uint16_t Sender(HandlerArgs& handlerArgs, size_t scatter_segment) override;
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size_t get_data_size();
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int32_t read(uint8_t * p_data, uint32_t len);
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int32_t read_async(uint8_t * p_data, uint32_t len);
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template<class T, class Allocator>
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int32_t read_async(std::vector<T, Allocator>& data, uint32_t len)
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{
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if (len == 0) {
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return 0;
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}
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if (buff_[toggle_].size() == 0) {
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if(capture_buffer() == false) {
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return 0;
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}
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}
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return get_data(data, len);
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}
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bool write(uint32_t ip_dst_be, uint8_t * p_data, uint32_t len);
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template<class T, class Allocator>
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bool write(uint32_t ip_dst_be, std::vector<T, Allocator>& data)
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{
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return write(ip_dst_be, data.data(), data.size() * sizeof(T));
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}
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void clear();
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void clear_async() {
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buff_[out_toggle_].clear();
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}
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private:
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const uint32_t max_buf_size = 0x0C00; // 0x0C00 - 3072, 0x1800 - 6144, 0x4000 - 16384, 32768, 0x10000 - 65536, 0x11CA - 4554, 0x0BDC - 3036, 0x100000 - 1Mb
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const uint16_t port_dst_be_; /// big endian
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const uint16_t port_src_be_; /// big endian
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const bool use_checksum_;
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EthIpIface& ip_iface_;
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const TEthMacPorts port_id_;
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//TEthPkt eth_pkt_;
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uint32_t src_ip_;
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std::array<std::vector<uint8_t>, UDP_BUF_NUM> buff_;
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std::atomic<UDPToggle> in_toggle_{UDPToggle::UDP_BUF_1};
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UDPToggle out_toggle_{UDPToggle::UDP_BUF_0};
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Semaphore rx_sem_;
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void put_data(uint8_t * p_data, uint32_t len);
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size_t get_data(uint8_t * p_data, uint32_t len);
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bool capture_buffer();
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template<class T, class Allocator>
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size_t get_data(std::vector<T, Allocator>& data, uint32_t len)
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{
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std::vector<uint8_t>& buff = buff_[out_toggle_];
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size_t size = buff.size();
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if (size > len) {
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size = len;
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}
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auto item_begin = buff.begin();
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auto item_end = item_begin + size;
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data.insert(data.end(), item_begin, item_end);
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buff.erase(item_begin, item_end);
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return size;
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}
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void set_src_ip(uint32_t src_ip) {
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src_ip_ = src_ip;
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}
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inline uint16_t fill_udp_header(UDPHandlerArgs& udpHandlerArgs);
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};
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}
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#endif /* FREE_RTOS_ETHERNET_IP_ETH_UDP_CLIENT_HPP_ */
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