Files
higress/pkg/ingress/kube/mcpserver/provider.go

71 lines
1.8 KiB
Go

// Copyright (c) 2025 Alibaba Group Holding Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package mcpserver
import (
"reflect"
"slices"
"strings"
"sync"
)
type McpServerProvider interface {
GetMcpServers() []*McpServer
}
type McpRouteProviderAware interface {
RegisterMcpServerProvider(provider McpServerProvider)
}
type McpServerCache struct {
mcpServers []*McpServer
mutex sync.RWMutex
}
func (c *McpServerCache) GetMcpServers() []*McpServer {
c.mutex.RLock()
defer c.mutex.RUnlock()
return c.mcpServers
}
// SetMcpServers sets the mcp servers and returns true if the cached list is changed
func (c *McpServerCache) SetMcpServers(mcpServers []*McpServer) bool {
c.mutex.Lock()
defer c.mutex.Unlock()
sortedMcpServers := make([]*McpServer, 0, len(mcpServers))
sortedMcpServers = append(sortedMcpServers, mcpServers...)
// Sort the mcp servers by PathMatchValue in descending order
slices.SortFunc(sortedMcpServers, func(a, b *McpServer) int {
return strings.Compare(a.Name, b.Name)
})
if len(c.mcpServers) == len(sortedMcpServers) {
changed := false
for i := range c.mcpServers {
if !reflect.DeepEqual(c.mcpServers[i], sortedMcpServers[i]) {
changed = true
break
}
}
if !changed {
return false
}
}
c.mcpServers = sortedMcpServers
return true
}