sobel_host_fwd_tb.cpp

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#include <cstdlib>           // For atoi()
#include <iostream>          // For cout and cerr
#include "PracticalSockets.h"
#include "config.h"
#include "opencv2/opencv.hpp"
 
using namespace cv;
 
 
int main(int argc, char * argv[]) {
 
    if ((argc < 2) || (argc > 3)) { // Test for correct number of parameters
        cerr << "Usage: " << argv[0] << " <Server Port> <optional simulation mode>" << endl;
        exit(1);
    }
 
    unsigned short servPort = atoi(argv[1]); // First arg:  local port
    unsigned int num_frame = 0;
    string clean_cmd;
 
#ifdef SHOW_WINDOWS
    namedWindow("tb_recv", WINDOW_AUTOSIZE);
#endif // SHOW_WINDOWS
 
    try {
        #if NET_TYPE == udp
        UDPSocket sock(servPort);
    #else
    TCPServerSocket servSock(servPort);     // Server Socket object
    TCPSocket *servsock = servSock.accept();     // Wait for a client to connect
    #endif
        char buffer[BUF_LEN]; // Buffer for echo string
        int recvMsgSize; // Size of received message
        string sourceAddress; // Address of datagram source
        
    #if NET_TYPE == tcp
    // TCP client handling
    cout << "Handling client ";
    try {
      cout << servsock->getForeignAddress() << ":";
    } catch (SocketException e) {
        cerr << "Unable to get foreign address" << endl;
      }
    try {
      cout << servsock->getForeignPort();
    } catch (SocketException e) {
        cerr << "Unable to get foreign port" << endl;
      }
    cout << endl;
    #endif
        
 
        // RX Step
        clock_t last_cycle_rx = clock();
        while (1) {
            // Block until receive message from a client
    
        int total_pack = 1 + (FRAME_TOTAL - 1) / PACK_SIZE;
            int bytes_in_last_pack = (FRAME_TOTAL) - (total_pack - 1) * PACK_SIZE;      
        int receiving_now = PACK_SIZE;
            cout << " ___________________________________________________________________ " << endl;
            cout << "/                                                                   \\" << endl;
        cout << "INFO: Proxy tb Frame # " << ++num_frame << endl;       
            cout << "INFO: Expecting length of packs:" << total_pack << endl;
            char * longbuf = new char[PACK_SIZE * total_pack];
        
        // RX Loop
            for (int i = 0; i < total_pack; i++) {
            if ( i == total_pack - 1 ) {
                    receiving_now = bytes_in_last_pack;
                }
        #if NET_TYPE == udp
                recvMsgSize = sock.recvFrom(buffer, BUF_LEN, sourceAddress, servPort);
        #else
        recvMsgSize = servsock->recv(buffer, receiving_now);
        #endif
                if (recvMsgSize != receiving_now) {
                    cerr << "ERROR: Received unexpected size pack:" << recvMsgSize << endl;
                    continue;
                }
                memcpy( & longbuf[i * PACK_SIZE], buffer, receiving_now);
            }
 
            cout << "INFO: Received packet from " << sourceAddress << ":" << servPort << endl;
 
            cv::Mat frame = cv::Mat(FRAME_HEIGHT, FRAME_WIDTH, INPUT_TYPE_HOST, longbuf); // OR vec.data() instead of ptr
        if (frame.size().width == 0) {
                cerr << "ERROR: receive failure!" << endl;
                continue;
            }
#ifdef SHOW_WINDOWS
            imshow("tb_recv", frame);
#endif // SHOW_WINDOWS
 
        // We save the image received from network in order to process it with the sobel HLS TB
        imwrite("../../../../../../ROLE/vision/hls/sobel/test/input_from_udp_to_fpga.png", frame);
        
        // Select simulation mode, default fcsim
        string synth_cmd = " ";
        string exec_cmd = "make fcsim -j 4";
        string ouf_file = "../../../../../../ROLE/vision/hls/sobel/sobel_prj/solution1/fcsim/build/hls_out.jpg";
        if (argc == 3) {
          if (atoi(argv[2]) == 2) {
        exec_cmd = "make csim";
        ouf_file = "../../../../../../ROLE/vision/hls/sobel/sobel_prj/solution1/csim/build/hls_out.jpg";
          }
          else if (atoi(argv[2]) == 3) {
        synth_cmd = "make csynth && ";
        exec_cmd = "make cosim";
        ouf_file = "../../../../../../ROLE/vision/hls/sobel/sobel_prj/solution1/sim/wrapc_pc/hls_out.jpg";
          }
          else if (atoi(argv[2]) == 4) {
        exec_cmd = "make kcachegrind";
        ouf_file = "../../../../../../ROLE/vision/hls/sobel/sobel_prj/solution1/fcsim/build/hls_out.jpg";
          }
        }
        // Calling the actual TB over its typical makefile procedure, but passing the save file
        // Skip the rebuilding phase on the 2nd run. However ensure that it's a clean recompile
        // the first time.
        clean_cmd = " ";
        if (num_frame == 1) {
          clean_cmd = "make clean && ";
        }
        string str_command = "cd ../../../../../../ROLE/vision/hls/sobel/ && " + clean_cmd + synth_cmd + "\
                  INPUT_IMAGE=./test/input_from_udp_to_fpga.png " + exec_cmd + " && \
                  cd ../../../../HOST/vision/sobel/languages/cplusplus/build/ "; 
        const char *command = str_command.c_str(); 
        cout << "Calling TB with command:" << command << endl; 
        system(command); 
 
            free(longbuf);
 
        clock_t next_cycle_rx = clock();
            double duration_rx = (next_cycle_rx - last_cycle_rx) / (double) CLOCKS_PER_SEC;
            cout << "INFO: Effective FPS RX:" << (1 / duration_rx) << " \tkbps:" << (PACK_SIZE * 
                    total_pack / duration_rx / 1024 * 8) << endl;
            last_cycle_rx = next_cycle_rx;
    
 
        // TX step
        frame = cv::imread(ouf_file, cv::IMREAD_GRAYSCALE); // reading in the image in grey scale
        if (!frame.data) {
          cerr << "ERROR: Failed to load the image " << ouf_file << endl; 
          return -1;
        }
        else {
          cout << "INFO: Succesfully loaded image " << ouf_file << endl; 
        }
            
        assert(frame.total() == FRAME_WIDTH * FRAME_HEIGHT);
        
            imshow("tb_send", frame);
        
        // Ensure that the send Mat is in continuous memory space. Typically, imread or resize 
        // will return such a continuous Mat, but we should check it.
        assert(frame.isContinuous());
        
        // TX Loop
        unsigned int sending_now = PACK_SIZE;
        clock_t last_cycle_tx = clock();
            for (int i = 0; i < total_pack; i++) {
                if ( i == total_pack - 1 ) {
                    sending_now = bytes_in_last_pack;
        }
        #if NET_TYPE == udp
        sock.sendTo( & frame.data[i * PACK_SIZE], sending_now, sourceAddress, servPort);
        #else
        //sock.send( & frame.data[i * PACK_SIZE], sending_now);
        servsock->send( & frame.data[i * PACK_SIZE], sending_now);
        #endif
        }
            
            clock_t next_cycle_tx = clock();
            double duration_tx = (next_cycle_tx - last_cycle_tx) / (double) CLOCKS_PER_SEC;
            cout << "INFO: Effective FPS TX:" << (1 / duration_tx) << " \tkbps:" << (PACK_SIZE * 
                    total_pack / duration_tx / 1024 * 8) << endl;
            last_cycle_tx = next_cycle_tx; 
            cout << "\\___________________________________________________________________/" << endl;
        break;} // while loop
        #if NET_TYPE == tcp
        delete servsock;
    #endif
    } catch (SocketException & e) {
        cerr << e.what() << endl;
        exit(1);
    }
    return 0;
}