[RL] add pause and continue generation for async rl training (#7419)

python/sglang/srt/entrypoints/http_server.py

@@ -712,6 +712,26 @@ async def separate_reasoning_request(obj: SeparateReasoningReqInput, request: Re
     return ORJSONResponse(content=response_data, status_code=200)
 
 
+@app.post("/pause_generation")
+async def pause_generation(request: Request):
+    """Pause generation."""
+    await _global_state.tokenizer_manager.pause_generation()
+    return ORJSONResponse(
+        content={"message": "Generation paused successfully.", "status": "ok"},
+        status_code=200,
+    )
+
+
+@app.post("/continue_generation")
+async def continue_generation(request: Request):
+    """Continue generation."""
+    await _global_state.tokenizer_manager.continue_generation()
+    return ORJSONResponse(
+        content={"message": "Generation continued successfully.", "status": "ok"},
+        status_code=200,
+    )
+
+
 ##### OpenAI-compatible API endpoints #####