mirror of https://github.com/PentHertz/srsLTE.git
125 lines
3.7 KiB
C++
125 lines
3.7 KiB
C++
/*
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* Copyright 2013-2019 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef SRSUE_TTCN3_IP_CTRL_INTERFACE_H
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#define SRSUE_TTCN3_IP_CTRL_INTERFACE_H
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#include "rapidjson/document.h"
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#include "rapidjson/prettywriter.h"
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#include "srslte/common/netsource_handler.h"
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#include "srslte/phy/io/netsource.h"
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#include "ttcn3_helpers.h"
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using namespace rapidjson;
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// The IP CTRL interface to the IP_PTC
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class ttcn3_ip_ctrl_interface : public netsource_handler
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{
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public:
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ttcn3_ip_ctrl_interface() : netsource_handler("TTCN3_IP_CTRL_IF"){};
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~ttcn3_ip_ctrl_interface(){};
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void init(srslte::log* log_, std::string net_ip_, uint32_t net_port_)
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{
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net_ip = net_ip_;
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net_port = net_port_;
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log = log_;
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initialized = true;
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log->debug("Initialized.\n");
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}
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private:
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void run_thread()
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{
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// open TCP socket
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if (srslte_netsource_init(&net_source, net_ip.c_str(), net_port, SRSLTE_NETSOURCE_TCP)) {
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fprintf(stderr, "Error creating input TCP socket at port %d\n", net_port);
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exit(-1);
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}
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log->info("Listening on %s:%d for incoming connections ..\n", net_ip.c_str(), net_port);
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running = true;
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int n;
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while (run_enable) {
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log->debug("Reading from IP_CTRL port ..\n");
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n = srslte_netsource_read(&net_source, rx_buf->begin(), RX_BUF_SIZE);
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if (n > 0) {
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rx_buf->at(n) = '\0';
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Document document;
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if (document.Parse((char*)rx_buf->begin()).HasParseError()) {
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log->error_hex(rx_buf->begin(), n, "Error parsing incoming data.\n");
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break;
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}
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assert(document.IsObject());
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// Pretty-print
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StringBuffer buffer;
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PrettyWriter<StringBuffer> writer(buffer);
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document.Accept(writer);
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log->info("Received %d bytes\n%s\n", n, (char*)buffer.GetString());
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// Get message
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if (document.HasMember("RoutingInfo")) {
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log->info("Received RoutingInfo\n");
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handle_routing_info(document);
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} else {
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log->error("Received unknown request.\n");
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}
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} else if (n == 0) {
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log->error("Receiving null from network\n");
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} else {
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log->error("Error receiving from network\n");
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}
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}
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running = false;
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srslte_netsource_free(&net_source);
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}
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void handle_routing_info(Document& document)
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{
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// get CTRL
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const Value& routes = document["RoutingInfo"];
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assert(routes.IsArray());
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// iterate over all routes
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for (Value::ConstValueIterator itr = routes.Begin(); itr != routes.End(); ++itr) {
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assert(itr->HasMember("IpInfo"));
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// printf("Configuring attenuation of %s to %ddB\n", id.GetString(), att["Value"].GetInt());
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// FIXME: actually do configuration
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}
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// What else to check?
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std::string resp = ttcn3_helpers::get_drbmux_common_ind_cnf();
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log->info("Sending %s to tester (%zd B)\n", resp.c_str(), resp.length());
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srslte_netsource_write(&net_source, (char*)resp.c_str(), resp.length());
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}
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};
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#endif // SRSUE_TTCN3_IP_CTRL_INTERFACE_H
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