public IRegionEndpoint GetRegionEndpoint(string regionName)
{
try
{
try
{
_readerWriterLock.EnterReadLock();
IRegionEndpoint endpoint;
if (_regionEndpointMap.TryGetValue(regionName, out endpoint))
{
return(endpoint);
}
}
finally
{
if (_readerWriterLock.IsReadLockHeld)
{
_readerWriterLock.ExitReadLock();
}
}
try
{
_readerWriterLock.EnterWriteLock();
IRegionEndpoint endpoint;
// Check again to see if region is in cache in case another thread got the write lock before and filled the cache.
if (_regionEndpointMap.TryGetValue(regionName, out endpoint))
{
return(endpoint);
}
JsonData partitions = _root["partitions"];
foreach (JsonData partition in partitions)
{
string description;
if (IsRegionInPartition(regionName, partition, out description))
{
endpoint = new RegionEndpointV3(regionName, description, partition, partition["services"]);
_regionEndpointMap.Add(regionName, endpoint);
return(endpoint);
}
}
}
finally
{
if (_readerWriterLock.IsWriteLockHeld)
{
_readerWriterLock.ExitWriteLock();
}
}
}
catch (Exception)
{
throw new AmazonClientException("Invalid endpoint.json format.");
}
return(GetNonstandardRegionEndpoint(regionName));
}
public IRegionEndpoint GetRegionEndpoint(string regionName)
{
try
{
lock (_regionEndpointMapLock)
{
IRegionEndpoint endpoint;
if (_regionEndpointMap.TryGetValue(regionName, out endpoint))
{
return(endpoint);
}
else
{
JsonData partitions = _root["partitions"];
foreach (JsonData partition in partitions)
{
string description;
if (IsRegionInPartition(regionName, partition, out description))
{
endpoint = new RegionEndpointV3(regionName, description, partition, partition["services"]);
_regionEndpointMap.Add(regionName, endpoint);
return(endpoint);
}
}
}
}
}
catch (Exception)
{
throw new AmazonClientException("Invalid endpoint.json format.");
}
return(GetNonstandardRegionEndpoint(regionName));
}
public IRegionEndpoint GetRegionEndpoint(string regionName)
{
try
{
lock (_regionEndpointMapLock)
{
IRegionEndpoint endpoint;
if (_regionEndpointMap.TryGetValue(regionName, out endpoint))
{
return(endpoint);
}
else
{
JsonData partitions = _root["partitions"];
foreach (JsonData partition in partitions)
{
JsonData region = partition["regions"][regionName];
if (region != null)
{
endpoint = new RegionEndpointV3(regionName, (string)region["description"], partition, partition["services"]);
_regionEndpointMap.Add(regionName, endpoint);
return(endpoint);
}
}
}
}
}
catch (Exception)
{
throw new AmazonClientException("Invalid endpoint.json format.");
}
return(GetUnknownRegionEndpoint(regionName));
}
public IRegionEndpoint GetRegionEndpoint(string regionName)
{
try
{
lock (_regionEndpointMapLock)
{
if (_regionEndpointMap.TryGetValue(regionName, out IRegionEndpoint value))
{
return(value);
}
foreach (JsonData item in (IEnumerable)_root["partitions"])
{
if (IsRegionInPartition(regionName, item, out string description))
{
value = new RegionEndpointV3(regionName, description, item, item["services"]);
_regionEndpointMap.Add(regionName, value);
return(value);
}
}
}
}
catch (Exception)
{
throw new AmazonClientException("Invalid endpoint.json format.");
}
return(GetNonstandardRegionEndpoint(regionName));
}
public IRegionEndpoint GetRegionEndpoint(string regionName)
{
try
{
lock (_regionEndpointMapLock)
{
IRegionEndpoint endpoint;
if (_regionEndpointMap.TryGetValue(regionName, out endpoint))
{
return endpoint;
}
else
{
JsonData partitions = _root["partitions"];
foreach (JsonData partition in partitions)
{
string description;
if (IsRegionInPartition(regionName, partition, out description))
{
endpoint = new RegionEndpointV3(regionName, description, partition, partition["services"]);
_regionEndpointMap.Add(regionName, endpoint);
return endpoint;
}
}
}
}
}
catch (Exception)
{
throw new AmazonClientException("Invalid endpoint.json format.");
}
return GetNonstandardRegionEndpoint(regionName);
}
/// <summary>
/// This region name is non-standard. Search the whole endpoints.json file to
/// determine the partition this region is in.
/// </summary>
private IRegionEndpoint GetNonstandardRegionEndpoint(string regionName)
{
try
{
_readerWriterLock.EnterReadLock();
IRegionEndpoint regionEndpoint;
if (_nonStandardRegionNameToObjectMap.TryGetValue(regionName, out regionEndpoint))
{
return(regionEndpoint);
}
}
finally
{
if (_readerWriterLock.IsReadLockHeld)
{
_readerWriterLock.ExitReadLock();
}
}
try
{
_readerWriterLock.EnterWriteLock();
IRegionEndpoint regionEndpoint;
// Check again to see if region is in cache in case another thread got the write lock before and filled the cache.
if (_nonStandardRegionNameToObjectMap.TryGetValue(regionName, out regionEndpoint))
{
return(regionEndpoint);
}
// default to "aws" partition
JsonData partitionData = _root["partitions"][0];
string regionDescription = GetUnknownRegionDescription(regionName);
JsonData servicesData = partitionData["services"];
bool foundContainingPartition = false;
const string validRegionRegexStr = @"^[a-zA-Z0-9]([a-zA-Z0-9\-]*[a-zA-Z0-9])?$";
var match = Regex.Match(regionName, validRegionRegexStr, RegexOptions.Compiled);
foreach (JsonData partition in _root["partitions"])
{
JsonData partitionServices = partition["services"];
foreach (string service in partitionServices.PropertyNames)
{
if (partitionServices[service] != null && partitionServices[service].Count > 0)
{
JsonData serviceData = partitionServices[service];
if (serviceData != null && serviceData["endpoints"][regionName] != null)
{
partitionData = partition;
servicesData = partitionServices;
foundContainingPartition = true;
break;
}
}
}
}
if (!foundContainingPartition && !match.Success)
{
throw new ArgumentException("Invalid region endpoint provided");
}
regionEndpoint = new RegionEndpointV3(regionName, regionDescription, partitionData, servicesData);
_nonStandardRegionNameToObjectMap.Add(regionName, regionEndpoint);
return(regionEndpoint);
}
finally
{
if (_readerWriterLock.IsWriteLockHeld)
{
_readerWriterLock.ExitWriteLock();
}
}
}
