private NodeRoleAndSiblings GetSlavesOfMaster(RedisServerInfo serverInfo)
{
if (serverInfo != null)
{
var replicationSection = serverInfo.Replication;
if (replicationSection != null)
{
var slaves = replicationSection.Slaves;
if (slaves != null)
{
var slaveEndPoints = new List <RedisEndPoint>();
foreach (var slave in slaves)
{
try
{
if (slave.Port.HasValue && !slave.IPAddress.IsEmpty())
{
var endPoint = new RedisEndPoint(slave.IPAddress, slave.Port.Value);
slaveEndPoints.Add(endPoint);
}
}
catch (Exception)
{ }
}
return(new NodeRoleAndSiblings(RedisRole.Master, slaveEndPoints.ToArray()));
}
}
}
return(null);
}
public static RedisServerInfo Parse(string info)
{
if (!info.IsEmpty())
{
var lines = info.Split(new[] { RedisConstants.CRLF }, StringSplitOptions.RemoveEmptyEntries);
if (lines != null)
{
var length = lines.Length;
if (length > 0)
{
var result = new RedisServerInfo();
for (var i = 0; i < length; i++)
{
var line = (lines[i] ?? String.Empty).TrimStart();
if (!line.IsEmpty() && line[0] == '#')
{
var sectionName = line.TrimStart('#').Trim();
var sectionLines = !sectionName.IsEmpty() ?
new List <string>() : null;
i++;
for (; i < length; i++)
{
line = (lines[i] ?? String.Empty).TrimStart();
if (!line.IsEmpty())
{
if (line[0] == '#')
{
i--;
break;
}
if (sectionLines != null)
{
sectionLines.Add(line);
}
}
}
if (!sectionName.IsEmpty())
{
var section = ParseSection(sectionName, sectionLines);
if (section != null)
{
result[sectionName.ToLowerInvariant()] = section;
}
}
}
}
return(result);
}
}
}
return(null);
}
private NodeRoleAndSiblings GetMastersOfSentinel(string masterName, RedisServerInfo serverInfo)
{
if (serverInfo != null)
{
var sentinelSection = serverInfo.Sentinel;
if (sentinelSection != null)
{
var masters = sentinelSection.Masters;
if (masters != null)
{
var mastersLength = masters.Length;
if (mastersLength > 0)
{
if (masterName.IsEmpty())
{
if (mastersLength == 1)
{
var master = masters[0];
try
{
if (master.Port.HasValue && !master.IPAddress.IsEmpty())
{
var endPoint = new RedisEndPoint(master.IPAddress, master.Port.Value);
return(new NodeRoleAndSiblings(RedisRole.Sentinel, new[] { endPoint }));
}
}
catch (Exception)
{ }
}
return(null);
}
var masterEndPoints = new List <RedisEndPoint>();
foreach (var master in masters)
{
try
{
if (master.Name == masterName &&
master.Port.HasValue && !master.IPAddress.IsEmpty())
{
var endPoint = new RedisEndPoint(master.IPAddress, master.Port.Value);
masterEndPoints.Add(endPoint);
}
}
catch (Exception)
{ }
}
return(new NodeRoleAndSiblings(RedisRole.Sentinel, masterEndPoints.ToArray()));
}
}
}
}
return(null);
}
public RedisResult <RedisServerInfo> Info(RedisParam?section = null)
{
string lines;
if (!section.HasValue || section.Value.IsNull)
{
lines = ExpectBulkString(RedisCommandList.Info);
}
else
{
lines = ExpectBulkString(RedisCommandList.Info, section);
}
var info = RedisServerInfo.Parse(lines);
return(new RedisResult <RedisServerInfo>(info));
}
public RedisServerInfo GetServerInfo()
{
try
{
var socket = GetSocket();
if (socket.IsConnected())
{
using (var cmd = new RedisCommand(-1, RedisCommandList.Info, RedisCommandType.SendAndReceive))
{
string lines = cmd.ExpectBulkString(new RedisSocketContext(socket, Settings), true);
return(RedisServerInfo.Parse(lines));
}
}
}
catch (Exception)
{ }
return(null);
}
private RedisRole DiscoverRoleOfNode(RedisServerInfo serverInfo)
{
if (serverInfo != null)
{
var serverSection = serverInfo.Server;
if (serverSection != null)
{
var redisMode = (serverSection.RedisMode ?? String.Empty).Trim().ToLowerInvariant();
if (redisMode == "sentinel")
{
return(RedisRole.Sentinel);
}
var replicationSection = serverInfo.Replication;
if (replicationSection != null)
{
return(replicationSection.Role.ToRedisRole());
}
}
}
return(RedisRole.Undefined);
}
private NodeRoleAndSiblings GetMasterOfSlave(RedisServerInfo serverInfo)
{
if (serverInfo != null)
{
var replicationSection = serverInfo.Replication;
if (replicationSection != null)
{
try
{
if (replicationSection.MasterPort.HasValue &&
!replicationSection.MasterHost.IsEmpty())
{
var endPoint = new RedisEndPoint(replicationSection.MasterHost,
(int)replicationSection.MasterPort.Value);
return(new NodeRoleAndSiblings(RedisRole.Slave, new[] { endPoint }));
}
}
catch (Exception)
{ }
}
}
return(null);
}
