61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
#include "server.hpp"
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#include "data.hpp"
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#include "mappings.hpp"
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#include "resourceloc.hpp"
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#include <algorithm>
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#include <boost/log/trivial.hpp>
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#include <cstdlib>
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#include <cstring>
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#include <string>
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#include <sys/ipc.h>
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#include <sys/msg.h>
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namespace server {
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void sendToClient(int msqid, std::string msg) {
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data::ResponseMapMsg pkt;
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pkt.msgtype = data::clientbound_msg;
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pkt.datalen = msg.size();
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std::copy(msg.begin(), msg.end(), pkt.data);
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if (msgsnd(msqid, &pkt, sizeof(data::ResponseMapMsg) - sizeof(long), 0) < 0) {
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BOOST_LOG_TRIVIAL(error) << "failed to send response " << strerror(errno);
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}
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}
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void run(key_t key) {
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BOOST_LOG_TRIVIAL(info) << "starting server";
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auto msqid = msgget(key, 0664 | IPC_CREAT);
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if (msqid < 0) {
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throw std::runtime_error("msgget fail");
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}
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BOOST_LOG_TRIVIAL(info) << "msqid " << msqid;
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auto mappings = mappings::Mappings::load();
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data::RequestMapMsg msg;
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for (;;) {
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if (msgrcv(
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msqid,
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&msg,
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sizeof(data::RequestMapMsg) - sizeof(long),
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data::serverbound_msg,
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0
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)
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< 0) {
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BOOST_LOG_TRIVIAL(error) << "receive error " << strerror(errno);
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continue;
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}
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std::string s(msg.data, msg.datalen);
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BOOST_LOG_TRIVIAL(info) << "got request to map '" << s << "'";
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sendToClient(msqid, mappings.map(s));
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}
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}
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}
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