Function HTTPBindAddresses

src/rpc/core/httpserver.cpp:312–351

Bind HTTP server to specified addresses */

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

    // Determine what addresses to bind to
    if (SysCfg().IsArgCount("-rpcbind")) {
        // bind to specific address
        for (const std::string& strRPCBind : SysCfg().GetMultiArgs("-rpcbind")) {
            int port = http_port;
            std::string host;
            SplitHostPort(strRPCBind, port, host);
            endpoints.push_back(std::make_pair(host, port));
        }
    } else {  // no set -rpcbind
        if (SysCfg().IsArgCount("-rpcallowip")) {
            // bind to all ip
            endpoints.push_back(std::make_pair("::", http_port));
            endpoints.push_back(std::make_pair("0.0.0.0", http_port));
        } else {
            // bind to loopback ip only
            endpoints.push_back(std::make_pair("::1", http_port));
            endpoints.push_back(std::make_pair("127.0.0.1", http_port));
        }
    }

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