Function HTTPBindAddresses

src/httpserver.cpp:297–332

Bind HTTP server to specified addresses */

/** Bind HTTP server to specified addresses */
static bool HTTPBindAddresses(struct evhttp* http)
{
    int defaultPort = gArgs.GetArg("-rpcport", BaseParams().RPCPort());
    std::vector<std::pair<std::string, uint16_t> > endpoints;

    // Determine what addresses to bind to
    if (!gArgs.IsArgSet("-rpcallowip")) { // Default to loopback if not allowing external IPs
        endpoints.push_back(std::make_pair("::1", defaultPort));
        endpoints.push_back(std::make_pair("127.0.0.1", defaultPort));
        if (gArgs.IsArgSet("-rpcbind")) {
            LogPrintf("WARNING: option -rpcbind was ignored because -rpcallowip was not specified, refusing to allow everyone to connect\n");
        }
    } else if (gArgs.IsArgSet("-rpcbind")) { // Specific bind address
        for (const std::string& strRPCBind : gArgs.GetArgs("-rpcbind")) {
            int port = defaultPort;
            std::string host;
            SplitHostPort(strRPCBind, port, host);
            endpoints.push_back(std::make_pair(host, port));
        }
    } else { // No specific bind address specified, bind to any
        endpoints.push_back(std::make_pair("::", defaultPort));
        endpoints.push_back(std::make_pair("0.0.0.0", defaultPort));
    }

    // Bind addresses
    for (std::vector<std::pair<std::string, uint16_t> >::iterator i = endpoints.begin(); i != endpoints.end(); ++i) {
        LogPrint(BCLog::HTTP, "Binding RPC on address %s port %i\n", i->first, i->second);
        evhttp_bound_socket *bind_handle = evhttp_bind_socket_with_handle(http, i->first.empty() ? nullptr : i->first.c_str(), i->second);
        if (bind_handle) {
            boundSockets.push_back(bind_handle);
        } else {
            LogPrintf("Binding RPC on address %s port %i failed.\n", i->first, i->second);
        }
    }
    return !boundSockets.empty();
}

/** Simple wrapper to set thread name and run work queue */
static void HTTPWorkQueueRun(WorkQueue<HTTPClosure>* queue)