mirror of
https://github.com/2dust/v2rayN.git
synced 2025-07-01 20:42:10 +00:00
Optimize proxy chain handling (#7515)
* Optimize proxy chain handling * Avoids duplicate proxy chain generation
This commit is contained in:
DHR60
GitHub
parent
30c09a7b54
commit
84f93f2ae6
2 changed files with 183 additions and 254 deletions
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@ -918,29 +918,21 @@ public class CoreConfigSingboxService
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//Previous proxy
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var prevNode = await AppHandler.Instance.GetProfileItemViaRemarks(subItem.PrevProfile);
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string? prevOutboundTag = null;
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if (prevNode is not null
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&& prevNode.ConfigType != EConfigType.Custom)
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{
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var prevOutbound = JsonUtils.Deserialize<Outbound4Sbox>(txtOutbound);
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await GenOutbound(prevNode, prevOutbound);
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prevOutbound.tag = $"{Global.ProxyTag}2";
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prevOutboundTag = $"prev-{Global.ProxyTag}";
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prevOutbound.tag = prevOutboundTag;
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singboxConfig.outbounds.Add(prevOutbound);
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outbound.detour = prevOutbound.tag;
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}
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var nextOutbound = await GenChainOutbounds(subItem, outbound, prevOutboundTag);
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//Next proxy
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var nextNode = await AppHandler.Instance.GetProfileItemViaRemarks(subItem.NextProfile);
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if (nextNode is not null
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&& nextNode.ConfigType != EConfigType.Custom)
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if (nextOutbound is not null)
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{
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var nextOutbound = JsonUtils.Deserialize<Outbound4Sbox>(txtOutbound);
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await GenOutbound(nextNode, nextOutbound);
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nextOutbound.tag = Global.ProxyTag;
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singboxConfig.outbounds.Insert(0, nextOutbound);
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outbound.tag = $"{Global.ProxyTag}1";
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nextOutbound.detour = outbound.tag;
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}
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}
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catch (Exception ex)
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@ -967,8 +959,8 @@ public class CoreConfigSingboxService
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var proxyTags = new List<string>(); // For selector and urltest outbounds
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// Cache for chain proxies to avoid duplicate generation
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var chainProxyCache = new Dictionary<string, (string?, Outbound4Sbox?)>();
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var prevProxyTags = new Dictionary<string, string>(); // Map from profile name to tag
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var nextProxyCache = new Dictionary<string, Outbound4Sbox?>();
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var prevProxyTags = new Dictionary<string, string?>(); // Map from profile name to tag
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int prevIndex = 0; // Index for prev outbounds
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// Process each node
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@ -977,112 +969,55 @@ public class CoreConfigSingboxService
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{
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index++;
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// Skip unsupported config types
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if (node.ConfigType is EConfigType.Custom)
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{
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continue;
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}
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// Handle proxy chain
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string? prevTag = null;
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Outbound4Sbox? nextOutbound = null;
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if (node.Subid.IsNotEmpty())
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var currentOutbound = JsonUtils.Deserialize<Outbound4Sbox>(txtOutbound);
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var nextOutbound = nextProxyCache.GetValueOrDefault(node.Subid, null);
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if (nextOutbound != null)
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{
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// Check if chain proxy is already cached
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if (chainProxyCache.TryGetValue(node.Subid, out var chainProxy))
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nextOutbound = JsonUtils.DeepCopy(nextOutbound);
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}
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var subItem = await AppHandler.Instance.GetSubItem(node.Subid);
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// current proxy
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await GenOutbound(node, currentOutbound);
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currentOutbound.tag = $"{Global.ProxyTag}-{index}";
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proxyTags.Add(currentOutbound.tag);
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if (!node.Subid.IsNullOrEmpty())
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{
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if (prevProxyTags.TryGetValue(node.Subid, out var value))
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{
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prevTag = chainProxy.Item1;
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nextOutbound = chainProxy.Item2;
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prevTag = value; // maybe null
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}
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else
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{
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// Generate chain proxy and cache it
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var subItem = await AppHandler.Instance.GetSubItem(node.Subid);
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if (subItem != null)
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var prevNode = await AppHandler.Instance.GetProfileItemViaRemarks(subItem.PrevProfile);
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if (prevNode is not null
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&& prevNode.ConfigType != EConfigType.Custom)
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{
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// Process previous proxy
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if (!subItem.PrevProfile.IsNullOrEmpty())
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{
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// Check if this previous proxy was already created
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if (prevProxyTags.TryGetValue(subItem.PrevProfile, out var existingTag))
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{
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prevTag = existingTag;
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}
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else
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{
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var prevNode = await AppHandler.Instance.GetProfileItemViaRemarks(subItem.PrevProfile);
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if (prevNode != null && prevNode.ConfigType != EConfigType.Custom)
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{
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prevIndex++;
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var prevOutbound = JsonUtils.Deserialize<Outbound4Sbox>(txtOutbound);
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await GenOutbound(prevNode, prevOutbound);
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prevTag = $"{Global.ProxyTag}-prev-{prevIndex}";
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prevOutbound.tag = prevTag;
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prevProxyTags[subItem.PrevProfile] = prevTag;
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// Add to prev outbounds list (will be added at the end)
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prevOutbounds.Add(prevOutbound);
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}
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}
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}
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// Process next proxy
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var nextNode = await AppHandler.Instance.GetProfileItemViaRemarks(subItem.NextProfile);
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if (nextNode != null && nextNode.ConfigType != EConfigType.Custom)
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{
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nextOutbound = JsonUtils.Deserialize<Outbound4Sbox>(txtOutbound);
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await GenOutbound(nextNode, nextOutbound);
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}
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// Cache the chain proxy
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chainProxyCache[node.Subid] = (prevTag, nextOutbound);
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var prevOutbound = JsonUtils.Deserialize<Outbound4Sbox>(txtOutbound);
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await GenOutbound(prevNode, prevOutbound);
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prevTag = $"prev-{Global.ProxyTag}-{++prevIndex}";
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prevOutbound.tag = prevTag;
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prevOutbounds.Add(prevOutbound);
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}
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prevProxyTags[node.Subid] = prevTag;
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}
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}
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// Create main outbound
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var outbound = JsonUtils.Deserialize<Outbound4Sbox>(txtOutbound);
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await GenOutbound(node, outbound);
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outbound.tag = $"{Global.ProxyTag}-{index}";
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// Configure proxy chain relationships
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if (nextOutbound != null)
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{
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// If there's a next proxy, it should be the final outbound in the chain
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var originalTag = outbound.tag;
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outbound.tag = $"mid-{Global.ProxyTag}-{index}";
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var nextOutboundCopy = JsonUtils.DeepCopy(nextOutbound);
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nextOutboundCopy.tag = originalTag;
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nextOutboundCopy.detour = outbound.tag; // Use detour instead of sockopt
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if (prevTag != null)
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nextOutbound = await GenChainOutbounds(subItem, currentOutbound, prevTag, nextOutbound);
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if (!nextProxyCache.ContainsKey(node.Subid))
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{
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outbound.detour = prevTag;
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nextProxyCache[node.Subid] = nextOutbound;
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}
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// Add to proxy tags for selector/urltest
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proxyTags.Add(originalTag);
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// Add in reverse order to ensure final outbound is added first
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resultOutbounds.Add(nextOutboundCopy); // Final outbound (exposed to internet)
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resultOutbounds.Add(outbound); // Middle outbound
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}
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else
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if (nextOutbound is not null)
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{
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// If no next proxy, the main outbound is the final one
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if (prevTag != null)
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{
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outbound.detour = prevTag;
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}
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// Add to proxy tags for selector/urltest
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proxyTags.Add(outbound.tag);
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resultOutbounds.Add(outbound);
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resultOutbounds.Add(nextOutbound);
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}
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resultOutbounds.Add(currentOutbound);
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}
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// Add urltest outbound (auto selection based on latency)
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@ -1124,6 +1059,53 @@ public class CoreConfigSingboxService
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return 0;
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}
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/// <summary>
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/// Generates a chained outbound configuration for the given subItem and outbound.
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/// The outbound's tag must be set before calling this method.
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/// Returns the next proxy's outbound configuration, which may be null if no next proxy exists.
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/// </summary>
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/// <param name="subItem">The subscription item containing proxy chain information.</param>
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/// <param name="outbound">The current outbound configuration. Its tag must be set before calling this method.</param>
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/// <param name="prevOutboundTag">The tag of the previous outbound in the chain, if any.</param>
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/// <param name="nextOutbound">The outbound for the next proxy in the chain, if already created. If null, will be created inside.</param>
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/// <returns>
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/// The outbound configuration for the next proxy in the chain, or null if no next proxy exists.
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/// </returns>
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private async Task<Outbound4Sbox?> GenChainOutbounds(SubItem subItem, Outbound4Sbox outbound, string? prevOutboundTag, Outbound4Sbox? nextOutbound = null)
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{
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try
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{
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var txtOutbound = EmbedUtils.GetEmbedText(Global.SingboxSampleOutbound);
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if (!prevOutboundTag.IsNullOrEmpty())
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{
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outbound.detour = prevOutboundTag;
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}
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// Next proxy
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var nextNode = await AppHandler.Instance.GetProfileItemViaRemarks(subItem.NextProfile);
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if (nextNode is not null
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&& nextNode.ConfigType != EConfigType.Custom)
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{
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if (nextOutbound == null)
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{
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nextOutbound = JsonUtils.Deserialize<Outbound4Sbox>(txtOutbound);
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await GenOutbound(nextNode, nextOutbound);
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}
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nextOutbound.tag = outbound.tag;
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outbound.tag = $"mid-{outbound.tag}";
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nextOutbound.detour = outbound.tag;
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}
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return nextOutbound;
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}
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catch (Exception ex)
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{
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Logging.SaveLog(_tag, ex);
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}
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return null;
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}
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private async Task<int> GenRouting(SingboxConfig singboxConfig)
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{
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try
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@ -1318,6 +1318,7 @@ public class CoreConfigV2rayService
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//Previous proxy
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var prevNode = await AppHandler.Instance.GetProfileItemViaRemarks(subItem.PrevProfile);
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string? prevOutboundTag = null;
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if (prevNode is not null
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&& prevNode.ConfigType != EConfigType.Custom
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&& prevNode.ConfigType != EConfigType.Hysteria2
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@ -1325,32 +1326,15 @@ public class CoreConfigV2rayService
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{
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var prevOutbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
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await GenOutbound(prevNode, prevOutbound);
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prevOutbound.tag = $"{Global.ProxyTag}2";
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prevOutboundTag = $"prev-{Global.ProxyTag}";
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prevOutbound.tag = prevOutboundTag;
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v2rayConfig.outbounds.Add(prevOutbound);
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outbound.streamSettings.sockopt = new()
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{
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dialerProxy = prevOutbound.tag
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};
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}
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var nextOutbound = await GenChainOutbounds(subItem, outbound, prevOutboundTag);
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//Next proxy
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var nextNode = await AppHandler.Instance.GetProfileItemViaRemarks(subItem.NextProfile);
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if (nextNode is not null
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&& nextNode.ConfigType != EConfigType.Custom
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&& nextNode.ConfigType != EConfigType.Hysteria2
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&& nextNode.ConfigType != EConfigType.TUIC)
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if (nextOutbound is not null)
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{
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var nextOutbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
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await GenOutbound(nextNode, nextOutbound);
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nextOutbound.tag = Global.ProxyTag;
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v2rayConfig.outbounds.Insert(0, nextOutbound);
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outbound.tag = $"{Global.ProxyTag}1";
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nextOutbound.streamSettings.sockopt = new()
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{
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dialerProxy = outbound.tag
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};
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}
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}
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catch (Exception ex)
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@ -1375,31 +1359,9 @@ public class CoreConfigV2rayService
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var resultOutbounds = new List<Outbounds4Ray>();
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var prevOutbounds = new List<Outbounds4Ray>(); // Separate list for prev outbounds and fragment
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// Handle fragment outbound
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Outbounds4Ray? fragmentOutbound = null;
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if (_config.CoreBasicItem.EnableFragment)
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{
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fragmentOutbound = new Outbounds4Ray
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{
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protocol = "freedom",
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tag = $"fragment-{Global.ProxyTag}",
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settings = new()
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{
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fragment = new()
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{
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packets = _config.Fragment4RayItem?.Packets,
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length = _config.Fragment4RayItem?.Length,
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interval = _config.Fragment4RayItem?.Interval
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}
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}
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};
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// Add to prevOutbounds instead of v2rayConfig.outbounds
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prevOutbounds.Add(fragmentOutbound);
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}
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// Cache for chain proxies to avoid duplicate generation
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var chainProxyCache = new Dictionary<string, (string?, Outbounds4Ray?)>();
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var prevProxyTags = new Dictionary<string, string>(); // Map from profile name to tag
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var nextProxyCache = new Dictionary<string, Outbounds4Ray?>();
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var prevProxyTags = new Dictionary<string, string?>(); // Map from profile name to tag
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int prevIndex = 0; // Index for prev outbounds
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// Process nodes
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@ -1408,126 +1370,56 @@ public class CoreConfigV2rayService
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{
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index++;
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// Skip unsupported config types
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if (node.ConfigType is EConfigType.Custom or EConfigType.Hysteria2 or EConfigType.TUIC)
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{
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continue;
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}
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// Handle proxy chain
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string? prevTag = null;
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Outbounds4Ray? nextOutbound = null;
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var currentOutbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
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var nextOutbound = nextProxyCache.GetValueOrDefault(node.Subid, null);
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if (nextOutbound != null)
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{
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nextOutbound = JsonUtils.DeepCopy(nextOutbound);
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}
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var subItem = await AppHandler.Instance.GetSubItem(node.Subid);
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// current proxy
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await GenOutbound(node, currentOutbound);
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currentOutbound.tag = $"{Global.ProxyTag}-{index}";
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if (!node.Subid.IsNullOrEmpty())
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{
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// Check if chain proxy is already cached
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if (chainProxyCache.TryGetValue(node.Subid, out var chainProxy))
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if (prevProxyTags.TryGetValue(node.Subid, out var value))
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{
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prevTag = chainProxy.Item1;
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nextOutbound = chainProxy.Item2;
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prevTag = value; // maybe null
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}
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else
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{
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// Generate chain proxy and cache it
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var subItem = await AppHandler.Instance.GetSubItem(node.Subid);
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if (subItem != null)
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var prevNode = await AppHandler.Instance.GetProfileItemViaRemarks(subItem.PrevProfile);
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if (prevNode is not null
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&& prevNode.ConfigType != EConfigType.Custom
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&& prevNode.ConfigType != EConfigType.Hysteria2
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&& prevNode.ConfigType != EConfigType.TUIC)
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{
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// Process previous proxy
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if (!subItem.PrevProfile.IsNullOrEmpty())
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{
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// Check if this previous proxy was already created
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if (prevProxyTags.TryGetValue(subItem.PrevProfile, out var existingTag))
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{
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prevTag = existingTag;
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}
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else
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{
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var prevNode = await AppHandler.Instance.GetProfileItemViaRemarks(subItem.PrevProfile);
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if (prevNode != null
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&& prevNode.ConfigType != EConfigType.Custom
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&& prevNode.ConfigType != EConfigType.Hysteria2
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&& prevNode.ConfigType != EConfigType.TUIC)
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{
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prevIndex++;
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var prevOutbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
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await GenOutbound(prevNode, prevOutbound);
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prevTag = $"{Global.ProxyTag}-prev-{prevIndex}";
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prevOutbound.tag = prevTag;
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prevProxyTags[subItem.PrevProfile] = prevTag;
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// Set fragment if needed
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if (fragmentOutbound != null && prevOutbound.streamSettings?.security.IsNullOrEmpty() == false)
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{
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prevOutbound.streamSettings.sockopt = new()
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{
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dialerProxy = fragmentOutbound.tag
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};
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}
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// Add to prev outbounds list (will be added at the end)
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prevOutbounds.Add(prevOutbound);
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}
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}
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}
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// Process next proxy
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var nextNode = await AppHandler.Instance.GetProfileItemViaRemarks(subItem.NextProfile);
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if (nextNode != null
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&& nextNode.ConfigType != EConfigType.Custom
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&& nextNode.ConfigType != EConfigType.Hysteria2
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&& nextNode.ConfigType != EConfigType.TUIC)
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{
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nextOutbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
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await GenOutbound(nextNode, nextOutbound);
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}
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// Cache the chain proxy
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chainProxyCache[node.Subid] = (prevTag, nextOutbound);
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var prevOutbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
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await GenOutbound(prevNode, prevOutbound);
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prevTag = $"prev-{Global.ProxyTag}-{++prevIndex}";
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prevOutbound.tag = prevTag;
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prevOutbounds.Add(prevOutbound);
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}
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prevProxyTags[node.Subid] = prevTag;
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}
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nextOutbound = await GenChainOutbounds(subItem, currentOutbound, prevTag, nextOutbound);
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if (!nextProxyCache.ContainsKey(node.Subid))
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{
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nextProxyCache[node.Subid] = nextOutbound;
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}
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}
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// Create main outbound
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var outbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
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await GenOutbound(node, outbound);
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outbound.tag = $"{Global.ProxyTag}-{index}";
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// Configure proxy chain relationships
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if (nextOutbound != null)
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if (nextOutbound is not null)
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{
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// If there's a next proxy, it should be the final outbound in the chain
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var originalTag = outbound.tag;
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outbound.tag = $"mid-{Global.ProxyTag}-{index}";
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var nextOutboundCopy = JsonUtils.DeepCopy(nextOutbound);
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nextOutboundCopy.tag = originalTag;
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nextOutboundCopy.streamSettings.sockopt = new() { dialerProxy = outbound.tag };
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||||
|
||||
if (prevTag != null)
|
||||
{
|
||||
outbound.streamSettings.sockopt = new() { dialerProxy = prevTag };
|
||||
}
|
||||
|
||||
// Add in reverse order to ensure final outbound is added first
|
||||
resultOutbounds.Add(nextOutboundCopy); // Final outbound (exposed to internet)
|
||||
resultOutbounds.Add(outbound); // Middle outbound
|
||||
}
|
||||
else
|
||||
{
|
||||
// If no next proxy, the main outbound is the final one
|
||||
if (prevTag != null)
|
||||
{
|
||||
outbound.streamSettings.sockopt = new() { dialerProxy = prevTag };
|
||||
}
|
||||
else if (fragmentOutbound != null && outbound.streamSettings?.security.IsNullOrEmpty() == false)
|
||||
{
|
||||
outbound.streamSettings.sockopt = new() { dialerProxy = fragmentOutbound.tag };
|
||||
}
|
||||
|
||||
resultOutbounds.Add(outbound);
|
||||
resultOutbounds.Add(nextOutbound);
|
||||
}
|
||||
resultOutbounds.Add(currentOutbound);
|
||||
}
|
||||
|
||||
// Merge results: first the main chain outbounds, then other outbounds, and finally utility outbounds
|
||||
|
|
@ -1543,6 +1435,61 @@ public class CoreConfigV2rayService
|
|||
return 0;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Generates a chained outbound configuration for the given subItem and outbound.
|
||||
/// The outbound's tag must be set before calling this method.
|
||||
/// Returns the next proxy's outbound configuration, which may be null if no next proxy exists.
|
||||
/// </summary>
|
||||
/// <param name="subItem">The subscription item containing proxy chain information.</param>
|
||||
/// <param name="outbound">The current outbound configuration. Its tag must be set before calling this method.</param>
|
||||
/// <param name="prevOutboundTag">The tag of the previous outbound in the chain, if any.</param>
|
||||
/// <param name="nextOutbound">The outbound for the next proxy in the chain, if already created. If null, will be created inside.</param>
|
||||
/// <returns>
|
||||
/// The outbound configuration for the next proxy in the chain, or null if no next proxy exists.
|
||||
/// </returns>
|
||||
private async Task<Outbounds4Ray?> GenChainOutbounds(SubItem subItem, Outbounds4Ray outbound, string? prevOutboundTag, Outbounds4Ray? nextOutbound = null)
|
||||
{
|
||||
try
|
||||
{
|
||||
var txtOutbound = EmbedUtils.GetEmbedText(Global.V2raySampleOutbound);
|
||||
|
||||
if (!prevOutboundTag.IsNullOrEmpty())
|
||||
{
|
||||
outbound.streamSettings.sockopt = new()
|
||||
{
|
||||
dialerProxy = prevOutboundTag
|
||||
};
|
||||
}
|
||||
|
||||
// Next proxy
|
||||
var nextNode = await AppHandler.Instance.GetProfileItemViaRemarks(subItem.NextProfile);
|
||||
if (nextNode is not null
|
||||
&& nextNode.ConfigType != EConfigType.Custom
|
||||
&& nextNode.ConfigType != EConfigType.Hysteria2
|
||||
&& nextNode.ConfigType != EConfigType.TUIC)
|
||||
{
|
||||
if (nextOutbound == null)
|
||||
{
|
||||
nextOutbound = JsonUtils.Deserialize<Outbounds4Ray>(txtOutbound);
|
||||
await GenOutbound(nextNode, nextOutbound);
|
||||
}
|
||||
nextOutbound.tag = outbound.tag;
|
||||
|
||||
outbound.tag = $"mid-{outbound.tag}";
|
||||
nextOutbound.streamSettings.sockopt = new()
|
||||
{
|
||||
dialerProxy = outbound.tag
|
||||
};
|
||||
}
|
||||
return nextOutbound;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Logging.SaveLog(_tag, ex);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
private async Task<int> GenBalancer(V2rayConfig v2rayConfig, EMultipleLoad multipleLoad)
|
||||
{
|
||||
if (multipleLoad == EMultipleLoad.LeastPing)
|
||||
|
|
|
|||
Loading…
Reference in a new issue