/// <summary>
/// Gets all of the sensor networks in NRDC. Populates the Data and Infrastructure Url dictionaries.
/// </summary>
/// <returns>A Network Container with either the list of all networks in a list or a failure message</returns>
public static Container <Network> GetNetworkList()
{
string uri = Config.NetworkDiscoveryUrl;
string message = GetHttpContent(uri);
var networkList = JsonConvert.DeserializeObject <Container <Network> >(message, Config.DefaultDeserializationSettings);
if (networkList.Success)
{
// Populate dictionaries with network Urls
DataUrlDict.Clear();
InfrastructureUrlDict.Clear();
foreach (var network in networkList.Data)
{
network.DataUrl = network.DataUrl.Replace("sensor.nevada.edu", "134.197.38.160");
network.InfrastructureUrl = network.InfrastructureUrl.Replace("sensor.nevada.edu", "134.197.38.160");
DataUrlDict[network.Alias] = network.DataUrl;
InfrastructureUrlDict[network.Alias] = network.InfrastructureUrl;
}
return(networkList);
}
else
{
return(new Container <Network>("Unable to retrieve network list. Message from API: " + networkList.Message));
}
}
/// <summary>
/// Returns the Infrastructure Url for the specified sensor network. Returns empty string if no Url was found.
/// </summary>
/// <param name="networkAlias"></param>
/// <returns>String container with the URL or an error message</returns>
private static Container <string> GetInfrastructureUrl(string networkAlias)
{
string infrastructureUrl;
// Check for url in dictionary
if (!InfrastructureUrlDict.TryGetValue(networkAlias, out infrastructureUrl))
{
// Couldn't find in dictionary, call GetNetworks to populate dictionaries and try again
var networkList = GetNetworkList();
if (networkList.Success)
{
// Try the dictionary again
if (InfrastructureUrlDict.TryGetValue(networkAlias, out infrastructureUrl))
{
return(new Container <string>(infrastructureUrl, true));
}
}
// Still couldn't find url, return empty string
return(new Container <string>("Couldn't find Infrastructure Services Url for Sensor Network: " + networkAlias));
}
// Url was in dictionary
return(new Container <string>(infrastructureUrl, true));
}
