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feat: implement UDP socket creation and binding for EntityServer in connectEntityServer

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MayaTheShy
2025-11-08 16:39:36 -05:00
parent 348e062686
commit e3ad5b5e06
1 changed files with 34 additions and 17 deletions
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51
src/OverteClient.cpp
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@@ -7,6 +7,7 @@
#include <glm/gtc/matrix_transform.hpp>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <unistd.h>
#include <fcntl.h>
@@ -103,25 +104,41 @@ bool OverteClient::connectEntityServer() {
// Send DomainList request to discover EntityServer endpoint
sendDomainListRequest();
// Create UDP socket for EntityServer if not using shared socket
// For now, assume EntityServer is on same host:port+1 as a fallback
addrinfo hints{}; hints.ai_socktype = SOCK_DGRAM; hints.ai_family = AF_UNSPEC;
addrinfo* res = nullptr;
int gai = ::getaddrinfo(m_host.c_str(), std::to_string(m_port + 1).c_str(), &hints, &res);
if (gai == 0) {
for (addrinfo* rp = res; rp; rp = rp->ai_next) {
m_entityFd = ::socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
if (m_entityFd == -1) continue;
::fcntl(m_entityFd, F_SETFL, O_NONBLOCK);
std::memcpy(&m_entityAddr, rp->ai_addr, rp->ai_addrlen);
m_entityAddrLen = rp->ai_addrlen;
m_entityServerReady = true;
std::cout << "[OverteClient] EntityServer socket ready for " << m_host << ":" << (m_port + 1) << std::endl;
break;
}
::freeaddrinfo(res);
// Create UDP socket for EntityServer and BIND it to receive packets
m_entityFd = ::socket(AF_INET, SOCK_DGRAM, 0);
if (m_entityFd == -1) {
std::cerr << "[OverteClient] Failed to create EntityServer socket: " << std::strerror(errno) << std::endl;
return false;
}
// Make non-blocking
::fcntl(m_entityFd, F_SETFL, O_NONBLOCK);
// Bind to port 40103 to receive entity packets
sockaddr_in bindAddr{};
bindAddr.sin_family = AF_INET;
bindAddr.sin_addr.s_addr = INADDR_ANY; // Listen on all interfaces
bindAddr.sin_port = htons(m_port + 1); // 40103
if (::bind(m_entityFd, reinterpret_cast<sockaddr*>(&bindAddr), sizeof(bindAddr)) == -1) {
std::cerr << "[OverteClient] Failed to bind EntityServer socket to port " << (m_port + 1)
<< ": " << std::strerror(errno) << std::endl;
::close(m_entityFd);
m_entityFd = -1;
return false;
}
// Store the target address for sending (if needed)
m_entityAddr = {};
sockaddr_in* addr = reinterpret_cast<sockaddr_in*>(&m_entityAddr);
addr->sin_family = AF_INET;
addr->sin_port = htons(m_port + 1);
::inet_pton(AF_INET, m_host.c_str(), &addr->sin_addr);
m_entityAddrLen = sizeof(sockaddr_in);
m_entityServerReady = true;
std::cout << "[OverteClient] EntityServer socket bound and listening on port " << (m_port + 1) << std::endl;
m_entityServer = true;
return true;
}