93 lines
2.0 KiB
C++
93 lines
2.0 KiB
C++
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#pragma once
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#include "listener.hpp"
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#include "tcp_stream.hpp"
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namespace io
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{
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const char* response = "HTTP/1.1 200 OK\r\nContent-Length:0\r\nConnection:Keep-Alive\r\n\r\n";
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size_t len = strlen(response);
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class Worker : public Listener<Worker>
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{
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char buf[512];
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public:
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Worker() = default;
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bool accept(Socket& socket)
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{
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auto s = socket.accept(nullptr, nullptr);
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if(!s.is_open())
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return false;
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s.set_non_blocking();
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auto stream = new TcpStream(std::move(s), EPOLLIN | EPOLLET);
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this->add(stream->socket, stream->event);
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LOG_DEBUG("Listening to TCP stream at" << stream->socket.id())
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return true;
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}
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void on_error(TcpStream* stream)
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{
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delete stream;
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}
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void on_read(TcpStream* stream)
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{
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int done = 0;
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while (1)
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{
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ssize_t count;
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count = read(stream->socket, buf, sizeof buf);
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if (count == -1)
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{
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/* If errno == EAGAIN, that means we have read all
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data. So go back to the main loop. */
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if (errno != EAGAIN)
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{
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perror ("read");
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done = 1;
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}
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break;
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}
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else if (count == 0)
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{
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/* End of file. The remote has closed the
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connection. */
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done = 1;
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break;
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}
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size_t sum = 0;
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char* resp = (char*)response;
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while(sum < len)
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{
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int k = write(stream->socket, resp, len - sum);
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sum += k;
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resp += k;
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}
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}
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if (done)
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{
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LOG_DEBUG("Closing TCP stream at " << stream->socket.id())
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/* Closing the descriptor will make epoll remove it
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from the set of descriptors which are monitored. */
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delete stream;
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}
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}
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};
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}
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