mirror of
https://gitlab.linphone.org/BC/public/linphone-iphone.git
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124 lines
4.7 KiB
C++
124 lines
4.7 KiB
C++
/*
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netsim.cc
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Copyright (C) 2016 Belledonne Communications, Grenoble, France
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This library is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at
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your option) any later version.
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This library is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this library; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "netsim.h"
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using namespace std;
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class NetsimResponse : public Response {
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public:
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NetsimResponse(LinphoneCore *core);
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};
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NetsimResponse::NetsimResponse(LinphoneCore *lc) : Response() {
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ostringstream ost;
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const OrtpNetworkSimulatorParams *params=linphone_core_get_network_simulator_params(lc);
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ost << "State: ";
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if (params->enabled) {
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ost << "enabled\n";
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} else {
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ost << "disabled\n";
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}
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ost<<"max_bandwidth: "<<params->max_bandwidth<<endl;
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ost<<"max_buffer_size: "<<params->max_buffer_size<<endl;
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ost<<"loss_rate: "<<params->loss_rate<<endl;
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ost<<"latency: "<<params->latency<<endl;
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ost<<"consecutive_loss_probability: "<<params->consecutive_loss_probability<<endl;
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ost<<"jitter_burst_density: "<<params->jitter_burst_density<<endl;
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ost<<"jitter_strength: "<<params->jitter_strength<<endl;
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ost<<"mode: "<<ortp_network_simulator_mode_to_string(params->mode)<<endl;
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setBody(ost.str());
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}
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NetsimCommand::NetsimCommand(): DaemonCommand("netsim","netsim [enable|disable|parameters] [<parameters>]",
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"Configure the network simulator. Parameters are to be provided in the form param-name=param-value, separated with ';' only. Supported parameters are:\n"
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"\tmax_bandwidth (kbit/s)\n"
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"\tmax_buffer_size (bits)\n"
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"\tloss_rate (percentage)\n"
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"\tlatency (milliseconds)\n"
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"\tconsecutive_loss_probability (0..1)\n"
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"\tjitter_burst_density (frequency of bursts 0..1)\n"
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"\tjitter_strength (percentage of max_bandwidth artifically consumed during bursts events)\n"
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"\tmode (inbound, outbound, outbound-controlled)\n")
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{
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addExample(new DaemonCommandExample("netsim",
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"Status: Ok\n\n"
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"State: disabled\nmax_bandwidth: 384000\nmax_buffer_size: 384000\nloss_rate: 2"));
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addExample(new DaemonCommandExample("netsim enable",
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"Status: Ok\n\n"
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"State: enabled\nmax_bandwidth: 384000\nmax_buffer_size: 384000\nloss_rate: 2"));
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addExample(new DaemonCommandExample("netsim parameters loss_rate=5;consecutive_loss_probability=0.5",
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"Status: Ok\n\n"
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"State: enabled\nmax_bandwidth: 384000\nmax_buffer_size: 384000\nloss_rate: 2"));
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}
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void NetsimCommand::exec(Daemon* app, const string& args) {
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LinphoneCore *lc=app->getCore();
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OrtpNetworkSimulatorParams params=*linphone_core_get_network_simulator_params(lc);
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string subcommand;
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istringstream ist(args);
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ist >> subcommand;
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if (ist.fail()) {
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app->sendResponse(NetsimResponse(app->getCore()));
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return;
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}
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if (subcommand.compare("enable")==0){
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params.enabled = TRUE;
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}else if (subcommand.compare("disable")==0){
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params.enabled = FALSE;
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}else if (subcommand.compare("parameters")==0){
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string parameters;
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char value[128] = { 0 };
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ist >> parameters;
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if (fmtp_get_value(parameters.c_str(), "max_bandwidth", value, sizeof(value))) {
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params.max_bandwidth = (float)atoi(value);
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}
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if (fmtp_get_value(parameters.c_str(), "max_buffer_size", value, sizeof(value))) {
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params.max_buffer_size = atoi(value);
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}
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if (fmtp_get_value(parameters.c_str(), "loss_rate", value, sizeof(value))) {
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params.loss_rate = (float)atoi(value);
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}
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if (fmtp_get_value(parameters.c_str(), "latency", value, sizeof(value))) {
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params.latency = (uint32_t)atoi(value);
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}
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if (fmtp_get_value(parameters.c_str(), "consecutive_loss_probability", value, sizeof(value))) {
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params.consecutive_loss_probability = (float)atof(value);
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}
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if (fmtp_get_value(parameters.c_str(), "jitter_burst_density", value, sizeof(value))) {
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params.jitter_burst_density = (float)atof(value);
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}
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if (fmtp_get_value(parameters.c_str(), "jitter_strength", value, sizeof(value))) {
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params.jitter_strength = (float)atof(value);
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}
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if (fmtp_get_value(parameters.c_str(), "mode",value, sizeof(value))) {
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OrtpNetworkSimulatorMode mode = ortp_network_simulator_mode_from_string(value);
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if (mode == OrtpNetworkSimulatorInvalid) {
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app->sendResponse(Response("Invalid mode"));
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return;
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}
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params.mode = mode;
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}
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}
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linphone_core_set_network_simulator_params(lc, ¶ms);
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app->sendResponse(NetsimResponse(app->getCore()));
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}
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