142 lines
3.3 KiB
C++
142 lines
3.3 KiB
C++
#include "buffer.hpp"
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#include "server.hpp"
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#include "net.hpp"
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#include <cassert>
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#include <iostream>
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namespace nntpchan
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{
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Server::Server(uv_loop_t * loop)
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{
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m_loop = loop;
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uv_tcp_init(m_loop, &m_server);
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m_server.data = this;
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}
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void Server::Close()
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{
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std::cout << "Close server" << std::endl;
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uv_close((uv_handle_t*)&m_server, [](uv_handle_t * s) {
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Server * self = (Server*)s->data;
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if (self) delete self;
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s->data = nullptr;
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});
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}
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void Server::Bind(const std::string & addr)
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{
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auto saddr = ParseAddr(addr);
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assert(uv_tcp_bind(*this, saddr, 0) == 0);
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auto cb = [] (uv_stream_t * s, int status) {
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Server * self = (Server *) s->data;
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self->OnAccept(s, status);
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};
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assert(uv_listen(*this, 5, cb) == 0);
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}
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void Server::OnAccept(uv_stream_t * s, int status)
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{
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if(status < 0) {
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OnAcceptError(status);
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return;
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}
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IServerConn * conn = CreateConn(s);
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assert(conn);
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m_conns.push_back(conn);
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conn->Greet();
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}
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void Server::RemoveConn(IServerConn * conn)
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{
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auto itr = m_conns.begin();
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while(itr != m_conns.end())
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{
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if(*itr == conn)
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itr = m_conns.erase(itr);
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else
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++itr;
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}
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}
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void IConnHandler::QueueLine(const std::string & line)
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{
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m_sendlines.push_back(line);
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}
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bool IConnHandler::HasNextLine()
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{
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return m_sendlines.size() > 0;
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}
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std::string IConnHandler::GetNextLine()
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{
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std::string line = m_sendlines[0];
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m_sendlines.pop_front();
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return line;
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}
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IServerConn::IServerConn(uv_loop_t * l, uv_stream_t * st, Server * parent, IConnHandler * h)
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{
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m_loop = l;
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m_parent = parent;
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m_handler = h;
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uv_tcp_init(l, &m_conn);
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m_conn.data = this;
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uv_accept(st, (uv_stream_t*) &m_conn);
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uv_read_start((uv_stream_t*) &m_conn, [] (uv_handle_t * h, size_t s, uv_buf_t * b) {
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IServerConn * self = (IServerConn*) h->data;
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if(self == nullptr) return;
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b->base = new char[s];
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}, [] (uv_stream_t * s, ssize_t nread, const uv_buf_t * b) {
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IServerConn * self = (IServerConn*) s->data;
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if(self == nullptr) {
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if(b->base)
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delete [] b->base;
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return;
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}
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if(nread > 0) {
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self->m_handler->OnData(b->base, nread);
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self->SendNextReply();
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if(self->m_handler->ShouldClose())
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self->Close();
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delete [] b->base;
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} else {
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if (nread != UV_EOF) {
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std::cerr << "error in nntp server conn alloc: ";
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std::cerr << uv_strerror(nread);
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std::cerr << std::endl;
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}
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// got eof or error
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self->Close();
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}
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});
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}
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IServerConn::~IServerConn()
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{
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delete m_handler;
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}
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void IServerConn::SendString(const std::string & str)
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{
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WriteBuffer * b = new WriteBuffer(str);
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uv_write(&b->w, (uv_stream_t*)&m_conn, &b->b, 1, [](uv_write_t * w, int status) {
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(void) status;
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WriteBuffer * wb = (WriteBuffer *) w->data;
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if(wb)
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delete wb;
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});
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}
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void IServerConn::Close()
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{
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m_parent->RemoveConn(this);
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uv_close((uv_handle_t*)&m_conn, [] (uv_handle_t * s) {
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IServerConn * self = (IServerConn*) s->data;
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if(self)
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delete self;
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s->data = nullptr;
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});
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}
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}
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