77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
#include "examples/ace/ttcp/common.h"
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#include "muduo/base/Types.h"
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#include <boost/program_options.hpp>
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#include <iostream>
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#include <netdb.h>
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#include <stdio.h>
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namespace po = boost::program_options;
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bool parseCommandLine(int argc, char* argv[], Options* opt)
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{
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po::options_description desc("Allowed options");
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desc.add_options()
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("help,h", "Help")
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("port,p", po::value<uint16_t>(&opt->port)->default_value(5001), "TCP port")
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("length,l", po::value<int>(&opt->length)->default_value(65536), "Buffer length")
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("number,n", po::value<int>(&opt->number)->default_value(8192), "Number of buffers")
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("trans,t", po::value<std::string>(&opt->host), "Transmit")
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("recv,r", "Receive")
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("nodelay,D", "set TCP_NODELAY")
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;
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po::variables_map vm;
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po::store(po::parse_command_line(argc, argv, desc), vm);
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po::notify(vm);
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opt->transmit = vm.count("trans");
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opt->receive = vm.count("recv");
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opt->nodelay = vm.count("nodelay");
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if (vm.count("help"))
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{
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std::cout << desc << std::endl;
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return false;
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}
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if (opt->transmit == opt->receive)
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{
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printf("either -t or -r must be specified.\n");
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return false;
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}
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printf("port = %d\n", opt->port);
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if (opt->transmit)
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{
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printf("buffer length = %d\n", opt->length);
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printf("number of buffers = %d\n", opt->number);
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}
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else
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{
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printf("accepting...\n");
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}
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return true;
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}
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#pragma GCC diagnostic ignored "-Wold-style-cast"
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struct sockaddr_in resolveOrDie(const char* host, uint16_t port)
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{
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struct hostent* he = ::gethostbyname(host);
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if (!he)
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{
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perror("gethostbyname");
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exit(1);
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}
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assert(he->h_addrtype == AF_INET && he->h_length == sizeof(uint32_t));
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struct sockaddr_in addr;
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muduo::memZero(&addr, sizeof(addr));
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addr.sin_family = AF_INET;
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addr.sin_port = htons(port);
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addr.sin_addr = *reinterpret_cast<struct in_addr*>(he->h_addr);
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return addr;
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}
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