Пример #1
0
        public Server GetCurrentServer(int localPort, ServerSelectStrategy.FilterFunc filter, string targetAddr = null)
        {
            lock (serverStrategyMap)
            {
                if (!serverStrategyMap.ContainsKey(localPort))
                {
                    serverStrategyMap[localPort] = new ServerSelectStrategy();
                }
                ServerSelectStrategy serverStrategy = serverStrategyMap[localPort];

                foreach (KeyValuePair <UriVisitTime, string> p in time2uri)
                {
                    if ((DateTime.Now - p.Key.visitTime).TotalSeconds < keepVisitTime)
                    {
                        break;
                    }

                    uri2time.Remove(p.Value);
                    time2uri.Remove(p.Key);
                    break;
                }
                if (index >= 0 && index < configs.Count)
                {
                    int selIndex = index;
                    if (targetAddr != null)
                    {
                        UriVisitTime visit = new UriVisitTime
                        {
                            uri       = targetAddr,
                            index     = selIndex,
                            visitTime = DateTime.Now
                        };
                        if (uri2time.ContainsKey(targetAddr))
                        {
                            time2uri.Remove(uri2time[targetAddr]);
                        }
                        uri2time[targetAddr] = visit;
                        time2uri[visit]      = targetAddr;
                    }
                    return(configs[selIndex]);
                }
                else
                {
                    return(GetErrorServer());
                }
            }
        }
Пример #2
0
        public Server GetCurrentServer(int localPort, ServerSelectStrategy.FilterFunc filter, string targetAddr = null, bool cfgRandom = false, bool usingRandom = false, bool forceRandom = false)
        {
            lock (serverStrategyMap)
            {
                if (!serverStrategyMap.ContainsKey(localPort))
                {
                    serverStrategyMap[localPort] = new ServerSelectStrategy();
                }
                ServerSelectStrategy serverStrategy = serverStrategyMap[localPort];

                uricache.SetTimeout(keepVisitTime);
                uricache.Sweep();
                if (sameHostForSameTarget && !forceRandom && targetAddr != null && uricache.ContainsKey(targetAddr))
                {
                    UriVisitTime visit = uricache.Get(targetAddr);
                    if (visit.index < configs.Count && configs[visit.index].enable && configs[visit.index].ServerSpeedLog().ErrorContinurousTimes == 0)
                    {
                        uricache.Del(targetAddr);
                        return(configs[visit.index]);
                    }
                }
                if (forceRandom)
                {
                    int index;
                    if (filter == null && randomInGroup)
                    {
                        index = serverStrategy.Select(configs, this.index, balanceAlgorithm, delegate(Server server, Server selServer)
                        {
                            if (selServer != null)
                            {
                                return(selServer.group == server.group);
                            }
                            return(false);
                        }, true);
                    }
                    else
                    {
                        index = serverStrategy.Select(configs, this.index, balanceAlgorithm, filter, true);
                    }
                    if (index == -1)
                    {
                        return(GetErrorServer());
                    }
                    return(configs[index]);
                }
                else if (usingRandom && cfgRandom)
                {
                    int index;
                    if (filter == null && randomInGroup)
                    {
                        index = serverStrategy.Select(configs, this.index, balanceAlgorithm, delegate(Server server, Server selServer)
                        {
                            if (selServer != null)
                            {
                                return(selServer.group == server.group);
                            }
                            return(false);
                        });
                    }
                    else
                    {
                        index = serverStrategy.Select(configs, this.index, balanceAlgorithm, filter);
                    }
                    if (index == -1)
                    {
                        return(GetErrorServer());
                    }
                    if (targetAddr != null)
                    {
                        UriVisitTime visit = new UriVisitTime();
                        visit.uri       = targetAddr;
                        visit.index     = index;
                        visit.visitTime = DateTime.Now;
                        uricache.Set(targetAddr, visit);
                    }
                    return(configs[index]);
                }
                else
                {
                    if (index >= 0 && index < configs.Count)
                    {
                        int selIndex = index;
                        if (usingRandom)
                        {
                            for (int i = 0; i < configs.Count; ++i)
                            {
                                if (configs[selIndex].isEnable())
                                {
                                    break;
                                }
                                else
                                {
                                    selIndex = (selIndex + 1) % configs.Count;
                                }
                            }
                        }

                        if (targetAddr != null)
                        {
                            UriVisitTime visit = new UriVisitTime();
                            visit.uri       = targetAddr;
                            visit.index     = selIndex;
                            visit.visitTime = DateTime.Now;
                            uricache.Set(targetAddr, visit);
                        }
                        return(configs[selIndex]);
                    }
                    else
                    {
                        return(GetErrorServer());
                    }
                }
            }
        }
Пример #3
0
        public Server GetCurrentServer(int localPort, ServerSelectStrategy.FilterFunc filter, string targetAddr = null, bool cfgRandom = false, bool usingRandom = false, bool forceRandom = false)
        {
            lock (serverStrategyMap)
            {
                if (!serverStrategyMap.ContainsKey(localPort))
                {
                    serverStrategyMap[localPort] = new ServerSelectStrategy();
                }
                ServerSelectStrategy serverStrategy = serverStrategyMap[localPort];

                foreach (KeyValuePair <UriVisitTime, string> p in time2uri)
                {
                    if ((DateTime.Now - p.Key.visitTime).TotalSeconds < keepVisitTime)
                    {
                        break;
                    }

                    uri2time.Remove(p.Value);
                    time2uri.Remove(p.Key);
                    break;
                }
                if (sameHostForSameTarget && !forceRandom && targetAddr != null && uri2time.ContainsKey(targetAddr))
                {
                    UriVisitTime visit = uri2time[targetAddr];
                    if (visit.index < configs.Count && configs[visit.index].enable)
                    {
                        //uri2time.Remove(targetURI);
                        time2uri.Remove(visit);
                        visit.visitTime      = DateTime.Now;
                        uri2time[targetAddr] = visit;
                        time2uri[visit]      = targetAddr;
                        return(configs[visit.index]);
                    }
                }
                if (forceRandom)
                {
                    int index;
                    if (filter == null && randomInGroup)
                    {
                        index = serverStrategy.Select(configs, this.index, randomAlgorithm, delegate(Server server, Server selServer)
                        {
                            if (selServer != null)
                            {
                                return(selServer.group == server.group);
                            }
                            return(false);
                        }, true);
                    }
                    else
                    {
                        index = serverStrategy.Select(configs, this.index, randomAlgorithm, filter, true);
                    }
                    if (index == -1)
                    {
                        return(GetErrorServer());
                    }
                    return(configs[index]);
                }
                else if (usingRandom && cfgRandom)
                {
                    int index;
                    if (filter == null && randomInGroup)
                    {
                        index = serverStrategy.Select(configs, this.index, randomAlgorithm, delegate(Server server, Server selServer)
                        {
                            if (selServer != null)
                            {
                                return(selServer.group == server.group);
                            }
                            return(false);
                        });
                    }
                    else
                    {
                        index = serverStrategy.Select(configs, this.index, randomAlgorithm, filter);
                    }
                    if (index == -1)
                    {
                        return(GetErrorServer());
                    }
                    if (targetAddr != null)
                    {
                        UriVisitTime visit = new UriVisitTime();
                        visit.uri       = targetAddr;
                        visit.index     = index;
                        visit.visitTime = DateTime.Now;
                        if (uri2time.ContainsKey(targetAddr))
                        {
                            time2uri.Remove(uri2time[targetAddr]);
                        }
                        uri2time[targetAddr] = visit;
                        time2uri[visit]      = targetAddr;
                    }
                    return(configs[index]);
                }
                else
                {
                    if (index >= 0 && index < configs.Count)
                    {
                        int selIndex = index;
                        if (usingRandom)
                        {
                            for (int i = 0; i < configs.Count; ++i)
                            {
                                if (configs[selIndex].isEnable())
                                {
                                    break;
                                }
                                else
                                {
                                    selIndex = (selIndex + 1) % configs.Count;
                                }
                            }
                        }

                        if (targetAddr != null)
                        {
                            UriVisitTime visit = new UriVisitTime();
                            visit.uri       = targetAddr;
                            visit.index     = selIndex;
                            visit.visitTime = DateTime.Now;
                            if (uri2time.ContainsKey(targetAddr))
                            {
                                time2uri.Remove(uri2time[targetAddr]);
                            }
                            uri2time[targetAddr] = visit;
                            time2uri[visit]      = targetAddr;
                        }
                        return(configs[selIndex]);
                    }
                    else
                    {
                        return(GetErrorServer());
                    }
                }
            }
        }
Пример #4
0
        public Server GetCurrentServer(int port, ServerSelectStrategy.FilterFunc filter, string targetAddr = null, bool cfgRandom = false, bool usingRandom = false, bool forceRandom = false)
        {
            lock (serverStrategyMap)
            {
                if (!serverStrategyMap.ContainsKey(port))
                {
                    serverStrategyMap[port] = new ServerSelectStrategy();
                }
                var serverStrategy = serverStrategyMap[port];

                uricache.SetTimeout(keepVisitTime);
                uricache.Sweep();
                if (sameHostForSameTarget && !forceRandom && targetAddr != null && uricache.ContainsKey(targetAddr))
                {
                    var visit = uricache.Get(targetAddr);
                    if (visit.index < configs.Count && configs[visit.index].Enable && configs[visit.index].SpeedLog.ErrorContinuousTimes == 0)
                    {
                        uricache.Del(targetAddr);
                        return(configs[visit.index]);
                    }
                }
                if (forceRandom)
                {
                    int i;
                    if (filter == null && randomInGroup)
                    {
                        i = serverStrategy.Select(configs, index, balanceAlgorithm, delegate(Server server, Server selServer)
                        {
                            if (selServer != null)
                            {
                                return(selServer.Group == server.Group);
                            }
                            return(false);
                        }, true);
                    }
                    else
                    {
                        i = serverStrategy.Select(configs, index, balanceAlgorithm, filter, true);
                    }
                    return(i == -1 ? GetErrorServer() : configs[i]);
                }

                if (usingRandom && cfgRandom)
                {
                    int i;
                    if (filter == null && randomInGroup)
                    {
                        i = serverStrategy.Select(configs, index, balanceAlgorithm, delegate(Server server, Server selServer)
                        {
                            if (selServer != null)
                            {
                                return(selServer.Group == server.Group);
                            }
                            return(false);
                        });
                    }
                    else
                    {
                        i = serverStrategy.Select(configs, index, balanceAlgorithm, filter);
                    }
                    if (i == -1)
                    {
                        return(GetErrorServer());
                    }
                    if (targetAddr != null)
                    {
                        var visit = new UriVisitTime
                        {
                            uri       = targetAddr,
                            index     = i,
                            visitTime = DateTime.Now
                        };
                        uricache.Set(targetAddr, visit);
                    }
                    return(configs[i]);
                }

                if (index >= 0 && index < configs.Count)
                {
                    var selIndex = index;
                    if (usingRandom)
                    {
                        foreach (var unused in configs)
                        {
                            if (configs[selIndex].Enable)
                            {
                                break;
                            }

                            selIndex = (selIndex + 1) % configs.Count;
                        }
                    }

                    if (targetAddr != null)
                    {
                        var visit = new UriVisitTime
                        {
                            uri       = targetAddr,
                            index     = selIndex,
                            visitTime = DateTime.Now
                        };
                        uricache.Set(targetAddr, visit);
                    }
                    return(configs[selIndex]);
                }

                return(GetErrorServer());
            }
        }