72 lines
1.8 KiB
C++
72 lines
1.8 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::ResponseMsg 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::ResponseMsg) - 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 handleResolveResourceLoc(int msqid, data::RequestMsg *msg) {
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std::string s(&msg->data[0], msg->datalen);
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BOOST_LOG_TRIVIAL(info) << "got request to resolve resourceloc '" << s << "'";
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auto res = resourceloc::resolve(s);
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sendToClient(msqid, res);
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}
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void handleMap(int msqid, mappings::Mappings *mappings, data::RequestMsg *msg) {
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std::string s(&msg->data[0], 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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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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BOOST_LOG_TRIVIAL(fatal) << "msgget fail";
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exit(1);
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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::RequestMsg msg;
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for (;;) {
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if (msgrcv(msqid, &msg, sizeof(data::RequestMsg) - sizeof(long),
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data::serverbound_msg, 0) < 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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switch (msg.type) {
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case data::map:
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handleMap(msqid, &mappings, &msg);
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break;
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case data::resolve_resource_loc:
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handleResolveResourceLoc(msqid, &msg);
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break;
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}
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}
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}
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} // namespace server
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