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feat: add domain reachability probing with environment configuration

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MayaTheShy
2025-11-08 19:22:56 -05:00
parent d941093274
commit f6daadf70d
1 changed files with 41 additions and 5 deletions
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46
src/main.cpp
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@@ -56,12 +56,48 @@ int main(int argc, char** argv) {
<< " -> ws://" << d.networkHost << ":" << d.httpPort
<< " (udp:" << d.udpPort << ")" << std::endl;
}
// Choose first candidate by default; allow override index via env
int choice = 0;
if (const char* envIdx = std::getenv("OVERTE_DISCOVER_INDEX")) {
try { choice = std::stoi(envIdx); } catch (...) {}
if (choice < 0 || choice >= (int)domains.size()) choice = 0;
// Probe for reachability unless disabled
bool probeEnabled = true;
if (const char* envProbe = std::getenv("OVERTE_DISCOVER_PROBE")) {
if (std::string(envProbe) == "0" || std::string(envProbe) == "false") probeEnabled = false;
}
int choice = -1;
if (probeEnabled) {
std::cout << "[Discovery] Probing domains for reachability..." << std::endl;
for (size_t i = 0; i < domains.size(); ++i) {
std::cout << "[Discovery] Probing [" << i << "] " << domains[i].networkHost << ":" << domains[i].httpPort << "... " << std::flush;
if (probeDomain(domains[i])) {
std::cout << "REACHABLE" << std::endl;
choice = static_cast<int>(i);
break;
} else {
std::cout << "unreachable" << std::endl;
}
}
if (choice < 0) {
std::cout << "[Discovery] No reachable domains found; using first candidate anyway." << std::endl;
choice = 0;
}
} else {
std::cout << "[Discovery] Probing disabled; selecting first candidate." << std::endl;
choice = 0;
}
// Allow override index via env (supersedes probe)
if (const char* envIdx = std::getenv("OVERTE_DISCOVER_INDEX")) {
try {
int manualChoice = std::stoi(envIdx);
if (manualChoice >= 0 && manualChoice < (int)domains.size()) {
choice = manualChoice;
std::cout << "[Discovery] Manual override: selecting index " << choice << std::endl;
}
} catch (...) {}
}
if (choice < 0 || choice >= (int)domains.size()) choice = 0;
const auto& pick = domains[choice];
overteUrl = std::string("ws://") + pick.networkHost + ":" + std::to_string(pick.httpPort);
// Pass UDP override via env for this process lifetime