65 lines
No EOL
1.6 KiB
C++
65 lines
No EOL
1.6 KiB
C++
#include <functional>
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#include <mutex>
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#include <set>
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#include <thread>
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#include <websocketpp/config/asio_no_tls.hpp>
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#include <websocketpp/server.hpp>
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typedef websocketpp::server<websocketpp::config::asio> server;
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using websocketpp::connection_hdl;
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class count_server {
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public:
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count_server() : m_count(0) {
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m_server.init_asio();
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m_server.set_open_handler(bind(&count_server::on_open,this,_1));
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m_server.set_close_handler(bind(&count_server::on_close,this,_1));
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}
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void on_open(connection_hdl hdl) {
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std::lock_guard<std::mutex> lock(m_mutex);
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m_connections.insert(hdl);
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}
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void on_close(connection_hdl hdl) {
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std::lock_guard<std::mutex> lock(m_mutex);
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m_connections.erase(hdl);
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}
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void count() {
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while (1) {
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sleep(1);
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m_count++;
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std::stringstream ss;
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ss << m_count;
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std::lock_guard<std::mutex> lock(m_mutex);
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for (auto it : m_connections) {
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m_server.send(it,ss.str(),websocketpp::frame::opcode::text);
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}
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}
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}
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void run(uint16_t port) {
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m_server.listen(port);
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m_server.start_accept();
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m_server.run();
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}
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private:
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typedef std::set<connection_hdl,std::owner_less<connection_hdl>> con_list;
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int m_count;
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server m_server;
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con_list m_connections;
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std::mutex m_mutex;
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};
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int main() {
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count_server server;
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std::thread t(std::bind(&count_server::count,&server));
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server.run(9002);
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} |