daughter_04.cpp File Reference

#include "support/configCosmos.h"
#include "support/elapsedtime.h"
#include "support/timeutils.h"
#include "agent/agentclass.h"
#include <iostream>
#include <string>

Include dependency graph for daughter_04.cpp:

Functions
int32_t	are_you_out_there (string &request, string &response, Agent *cdata)
int	main (int argc, char **argv)

Variables
static Agent *	agent
	ensure the Agent constructor creates only one instance per process More...
string	node_name = "daughter_04"
string	agent_name = "delilah"
string	node_agent_name = "["+node_name+":"+agent_name+"]"

Function Documentation

int32_t are_you_out_there	(	string &	request,
		string &	response,
		Agent *	cdata
	)

{
    // Send response back to the agent who made the request
    response = "Yes!  I am the one they call " + node_agent_name + ".";
    return 0;
}

int main	(	int	argc,
		char **	argv
	)

{
    // construct agent
    cout << node_agent_name << " starting..."<<endl;
    agent = new Agent(node_name, agent_name, 1.);

    // exit with error if unable to start agent
    if(agent->last_error() < 0) {
        cout<<"error: unable to start "<<node_agent_name<<" ("<<agent->last_error()<<") "<<cosmos_error_string(agent->last_error())<<endl;
        exit(1);
    } else {
        cout << node_agent_name << " started."<<endl;
    }

    // add custom request functions for this agent
    agent->add_request("are_you_out_there", are_you_out_there, "\n\t\trequest to support the reporting of existence");

    cosmosstruc* c = agent->cinfo;

    // set the orbital elements (psuedo ISS orbit)
    c->a = 6738000; // 6738 km
    c->e = 0.0001640; // no units!
    c->i =  51.6407 * (M_PI/180.0); // radians
    c->O = 126.7653 * (M_PI/180.0); // radians
    c->w = 163.1572 * (M_PI/180.0); // radians
    c->tau = 4.0;

    // n = mean angular motion (rad/s) [ used to find a in TLEs ]
    c->n = pow( (c->mu / pow(c->a,3.0) ), (0.5) );
    // T = period of orbit (seconds)
    c->T = ( 2.0 * M_PI ) / c->n;

    while (agent->running()) {

        cout<<node_agent_name<<" running..."<<endl;

        // see if you can locate the mothership
        // see if you can locate each of the daughters

        // Sleep for 5 sec
        COSMOS_SLEEP(5.);
    }
    return 0;
}

Variable Documentation

Agent* agent

static

ensure the Agent constructor creates only one instance per process

string node_name = "daughter_04"

string agent_name = "delilah"

string node_agent_name = "["+node_name+":"+agent_name+"]"