chore: vendor sglang v0.5.10 snapshot

third_party/sglang/sgl-model-gateway/bindings/golang/examples/simple/main.go

@@ -0,0 +1,85 @@
+// Simple example demonstrating basic usage of SGLang Go SDK
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/sglang/sglang-go-grpc-sdk"
+)
+
+func main() {
+	// Get configuration from environment or command line
+	endpoint := os.Getenv("SGL_GRPC_ENDPOINT")
+	if endpoint == "" {
+		endpoint = "grpc://localhost:20000"
+	}
+
+	tokenizerPath := os.Getenv("SGL_TOKENIZER_PATH")
+	if tokenizerPath == "" {
+		tokenizerPath = "./examples/tokenizer"
+	}
+
+	// Create client
+	client, err := sglang.NewClient(sglang.ClientConfig{
+		Endpoint:      endpoint,
+		TokenizerPath: tokenizerPath,
+	})
+	if err != nil {
+		log.Fatalf("Failed to create client: %v", err)
+	}
+	defer client.Close()
+
+	// Create chat completion request
+	req := sglang.ChatCompletionRequest{
+		Model: "default",
+		Messages: []sglang.ChatMessage{
+			{
+				Role:    "system",
+				Content: "You are a helpful assistant.",
+			},
+			{
+				Role:    "user",
+				Content: "写一首歌关于夏天",
+			},
+		},
+		Stream:              false,
+		Temperature:         float32Ptr(0.7),
+		MaxCompletionTokens: intPtr(200),
+		SkipSpecialTokens:   true,
+		Tools:               nil, // Use nil instead of empty slice to avoid template errors
+	}
+
+	// Create completion
+	ctx := context.Background()
+	resp, err := client.CreateChatCompletion(ctx, req)
+	if err != nil {
+		log.Fatalf("Failed to create completion: %v", err)
+	}
+
+	// Print response
+	fmt.Println("=== Response ===")
+	fmt.Printf("ID: %s\n", resp.ID)
+	fmt.Printf("Model: %s\n", resp.Model)
+	fmt.Printf("Created: %d\n", resp.Created)
+	fmt.Println("\nContent:")
+	for _, choice := range resp.Choices {
+		fmt.Println(choice.Message.Content)
+	}
+	fmt.Printf("\nFinish Reason: %s\n", resp.Choices[0].FinishReason)
+	fmt.Printf("\nUsage: Prompt=%d, Completion=%d, Total=%d\n",
+		resp.Usage.PromptTokens,
+		resp.Usage.CompletionTokens,
+		resp.Usage.TotalTokens,
+	)
+}
+
+func float32Ptr(f float32) *float32 {
+	return &f
+}
+
+func intPtr(i int) *int {
+	return &i
+}