refactor: create contrib for 3rd party deps

contrib/chi/transport/chi.go

@@ -0,0 +1,77 @@
+package transport
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	"github.com/metoro-io/mcp-golang/transport"
+	mcphttp "github.com/metoro-io/mcp-golang/transport/http"
+)
+
+type ChiTransport struct {
+	base *mcphttp.BaseTransport
+}
+
+func NewChiTransport(endpoint string) *ChiTransport {
+	return &ChiTransport{
+		base: mcphttp.NewBaseTransport(),
+	}
+}
+
+// Start implements Transport.Start - no-op for chi transport as it's handled by chi
+func (t *ChiTransport) Start(ctx context.Context) error {
+	return nil
+}
+
+// Send implements Transport.Send
+func (t *ChiTransport) Send(ctx context.Context, message *transport.BaseJsonRpcMessage) error {
+	key := message.JsonRpcResponse.Id
+	responseChannel := t.base.ResponseMap[int64(key)]
+	if responseChannel == nil {
+		return fmt.Errorf("no response channel found for key: %d", key)
+	}
+	responseChannel <- message
+	return nil
+}
+
+func (t *ChiTransport) Close() error {
+	if t.base.CloseHandler != nil {
+		t.base.CloseHandler()
+	}
+	return nil
+}
+
+func (t *ChiTransport) Handler(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		http.Error(w, "Only POST method is supported", http.StatusMethodNotAllowed)
+		return
+	}
+
+	ctx := r.Context()
+	body, err := t.base.ReadBody(r.Body)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	response, err := t.base.HandleMessage(ctx, body)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	jsonData, err := json.Marshal(response)
+	if err != nil {
+		if t.base.ErrorHandler != nil {
+			t.base.ErrorHandler(fmt.Errorf("failed to marshal response: %w", err))
+		}
+		http.Error(w, "Failed to marshal response", http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	w.Write(jsonData)
+}

contrib/chi/transport/go.mod

@@ -0,0 +1,30 @@
+module github.com/metoro-io/mcp-golang/contrib/chi/transport
+
+go 1.21
+
+replace github.com/metoro-io/mcp-golang => ../../..
+
+require github.com/metoro-io/mcp-golang v0.0.0-00010101000000-000000000000
+
+require (
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/gin-gonic/gin v1.8.1 // indirect
+	github.com/go-playground/locales v0.14.0 // indirect
+	github.com/go-playground/universal-translator v0.18.0 // indirect
+	github.com/go-playground/validator/v10 v10.10.0 // indirect
+	github.com/goccy/go-json v0.9.7 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/leodido/go-urn v1.2.1 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.1 // indirect
+	github.com/ugorji/go/codec v1.2.7 // indirect
+	golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 // indirect
+	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 // indirect
+	golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069 // indirect
+	golang.org/x/text v0.3.6 // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)
+

contrib/chi/transport/go.sum

@@ -0,0 +1,88 @@
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
+github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
+github.com/gin-gonic/gin v1.8.1 h1:4+fr/el88TOO3ewCmQr8cx/CtZ/umlIRIs5M4NTNjf8=
+github.com/gin-gonic/gin v1.8.1/go.mod h1:ji8BvRH1azfM+SYow9zQ6SZMvR8qOMZHmsCuWR9tTTk=
+github.com/go-playground/assert/v2 v2.0.1 h1:MsBgLAaY856+nPRTKrp3/OZK38U/wa0CcBYNjji3q3A=
+github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
+github.com/go-playground/locales v0.14.0 h1:u50s323jtVGugKlcYeyzC0etD1HifMjqmJqb8WugfUU=
+github.com/go-playground/locales v0.14.0/go.mod h1:sawfccIbzZTqEDETgFXqTho0QybSa7l++s0DH+LDiLs=
+github.com/go-playground/universal-translator v0.18.0 h1:82dyy6p4OuJq4/CByFNOn/jYrnRPArHwAcmLoJZxyho=
+github.com/go-playground/universal-translator v0.18.0/go.mod h1:UvRDBj+xPUEGrFYl+lu/H90nyDXpg0fqeB/AQUGNTVA=
+github.com/go-playground/validator/v10 v10.10.0 h1:I7mrTYv78z8k8VXa/qJlOlEXn/nBh+BF8dHX5nt/dr0=
+github.com/go-playground/validator/v10 v10.10.0/go.mod h1:74x4gJWsvQexRdW8Pn3dXSGrTK4nAUsbPlLADvpJkos=
+github.com/goccy/go-json v0.9.7 h1:IcB+Aqpx/iMHu5Yooh7jEzJk1JZ7Pjtmys2ukPr7EeM=
+github.com/goccy/go-json v0.9.7/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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+github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
+github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
+github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0=
+github.com/kr/pretty v0.3.0/go.mod h1:640gp4NfQd8pI5XOwp5fnNeVWj67G7CFk/SaSQn7NBk=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/leodido/go-urn v1.2.1 h1:BqpAaACuzVSgi/VLzGZIobT2z4v53pjosyNd9Yv6n/w=
+github.com/leodido/go-urn v1.2.1/go.mod h1:zt4jvISO2HfUBqxjfIshjdMTYS56ZS/qv49ictyFfxY=
+github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
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+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
+github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
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+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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+github.com/rogpeppe/go-internal v1.8.0 h1:FCbCCtXNOY3UtUuHUYaghJg4y7Fd14rXifAYUAtL9R8=
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+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
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+github.com/ugorji/go v1.2.7/go.mod h1:nF9osbDWLy6bDVv/Rtoh6QgnvNDpmCalQV5urGCCS6M=
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+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
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+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
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+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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transport/http/gin.go → contrib/gin/transport/gin.go

@@ -1,4 +1,4 @@
-package http
+package transport
 
 import (
 	"context"
@@ -8,17 +8,18 @@ import (
 
 	"github.com/gin-gonic/gin"
 	"github.com/metoro-io/mcp-golang/transport"
+	mcphttp "github.com/metoro-io/mcp-golang/transport/http"
 )
 
 // GinTransport implements a stateless HTTP transport for MCP using Gin
 type GinTransport struct {
-	*baseTransport
+	base *mcphttp.BaseTransport
 }
 
 // NewGinTransport creates a new Gin transport
 func NewGinTransport() *GinTransport {
 	return &GinTransport{
-		baseTransport: newBaseTransport(),
+		base: mcphttp.NewBaseTransport(),
 	}
 }
 
@@ -30,7 +31,7 @@ func (t *GinTransport) Start(ctx context.Context) error {
 // Send implements Transport.Send
 func (t *GinTransport) Send(ctx context.Context, message *transport.BaseJsonRpcMessage) error {
 	key := message.JsonRpcResponse.Id
-	responseChannel := t.responseMap[int64(key)]
+	responseChannel := t.base.ResponseMap[int64(key)]
 	if responseChannel == nil {
 		return fmt.Errorf("no response channel found for key: %d", key)
 	}
@@ -40,31 +41,25 @@ func (t *GinTransport) Send(ctx context.Context, message *transport.BaseJsonRpcM
 
 // Close implements Transport.Close
 func (t *GinTransport) Close() error {
-	if t.closeHandler != nil {
-		t.closeHandler()
+	if t.base.CloseHandler != nil {
+		t.base.CloseHandler()
 	}
 	return nil
 }
 
 // SetCloseHandler implements Transport.SetCloseHandler
 func (t *GinTransport) SetCloseHandler(handler func()) {
-	t.mu.Lock()
-	defer t.mu.Unlock()
-	t.closeHandler = handler
+	t.base.CloseHandler = handler
 }
 
 // SetErrorHandler implements Transport.SetErrorHandler
 func (t *GinTransport) SetErrorHandler(handler func(error)) {
-	t.mu.Lock()
-	defer t.mu.Unlock()
-	t.errorHandler = handler
+	t.base.ErrorHandler = handler
 }
 
 // SetMessageHandler implements Transport.SetMessageHandler
 func (t *GinTransport) SetMessageHandler(handler func(ctx context.Context, message *transport.BaseJsonRpcMessage)) {
-	t.mu.Lock()
-	defer t.mu.Unlock()
-	t.messageHandler = handler
+	t.base.MessageHandler = handler
 }
 
 // Handler returns a Gin handler function that can be used with Gin's router
@@ -77,22 +72,22 @@ func (t *GinTransport) Handler() gin.HandlerFunc {
 			return
 		}
 
-		body, err := t.readBody(c.Request.Body)
+		body, err := t.base.ReadBody(c.Request.Body)
 		if err != nil {
 			c.String(http.StatusBadRequest, err.Error())
 			return
 		}
 
-		response, err := t.handleMessage(ctx, body)
+		response, err := t.base.HandleMessage(ctx, body)
 		if err != nil {
 			c.String(http.StatusInternalServerError, err.Error())
 			return
 		}
 
 		jsonData, err := json.Marshal(response)
 		if err != nil {
-			if t.errorHandler != nil {
-				t.errorHandler(fmt.Errorf("failed to marshal response: %w", err))
+			if t.base.ErrorHandler != nil {
+				t.base.ErrorHandler(fmt.Errorf("failed to marshal response: %w", err))
 			}
 			c.String(http.StatusInternalServerError, "Failed to marshal response")
 			return

contrib/gin/transport/go.mod

@@ -0,0 +1,31 @@
+module github.com/metoro-io/mcp-golang/contrib/chi/transport
+
+go 1.21
+
+replace github.com/metoro-io/mcp-golang => ../../..
+
+require (
+	github.com/gin-gonic/gin v1.8.1
+	github.com/metoro-io/mcp-golang v0.0.0-00010101000000-000000000000
+)
+
+require (
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-playground/locales v0.14.0 // indirect
+	github.com/go-playground/universal-translator v0.18.0 // indirect
+	github.com/go-playground/validator/v10 v10.10.0 // indirect
+	github.com/goccy/go-json v0.9.7 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/leodido/go-urn v1.2.1 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.1 // indirect
+	github.com/ugorji/go/codec v1.2.7 // indirect
+	golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 // indirect
+	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 // indirect
+	golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069 // indirect
+	golang.org/x/text v0.3.6 // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)