refactor: introduce Pool interface, move agent_pool to agent module

agent/pkg/agent/agents.go

@@ -0,0 +1,16 @@
+package agent
+
+import (
+	"github.com/yusing/go-proxy/internal/utils/pool"
+)
+
+type agents struct{ pool.Pool[*AgentConfig] }
+
+var Agents = agents{pool.New[*AgentConfig]()}
+
+func (agents agents) Get(agentAddrOrDockerHost string) (*AgentConfig, bool) {
+	if !IsDockerHostAgent(agentAddrOrDockerHost) {
+		return agents.Base().Load(agentAddrOrDockerHost)
+	}
+	return agents.Base().Load(GetAgentAddrFromDockerHost(agentAddrOrDockerHost))
+}

agent/pkg/agent/config.go

@@ -4,9 +4,9 @@ import (
 	"context"
 	"crypto/tls"
 	"crypto/x509"
-	"encoding/json"
 	"net"
 	"net/http"
+	"net/url"
 	"os"
 	"strings"
 	"time"
@@ -16,7 +16,6 @@ import (
 	"github.com/yusing/go-proxy/internal/gperr"
 	"github.com/yusing/go-proxy/internal/logging"
 	"github.com/yusing/go-proxy/internal/net/gphttp"
-	"github.com/yusing/go-proxy/internal/net/types"
 	"github.com/yusing/go-proxy/pkg"
 )
 
@@ -49,8 +48,8 @@ const (
 )
 
 var (
-	AgentURL              = types.MustParseURL(APIBaseURL)
-	HTTPProxyURL          = types.MustParseURL(APIBaseURL + EndpointProxyHTTP)
+	AgentURL, _           = url.Parse(APIBaseURL)
+	HTTPProxyURL, _       = url.Parse(APIBaseURL + EndpointProxyHTTP)
 	HTTPProxyURLPrefixLen = len(APIEndpointBase + EndpointProxyHTTP)
 )