From 5114b0dd9c1a057dd32b2780c1a34592684a5ba1 Mon Sep 17 00:00:00 2001
From: huangmingming <huangmingming@deepscience.cn>
Date: 星期日, 29 一月 2023 16:32:18 +0800
Subject: [PATCH] add grpc server

---
 funasr/runtime/python/grpc/grpc_server.py      |  123 +++++++++++++++++++++++++++++++++++++++++
 funasr/runtime/python/grpc/grpc_main_server.py |   32 ++++++++++
 2 files changed, 155 insertions(+), 0 deletions(-)

diff --git a/funasr/runtime/python/grpc/grpc_main_server.py b/funasr/runtime/python/grpc/grpc_main_server.py
new file mode 100644
index 0000000..0f9aa0b
--- /dev/null
+++ b/funasr/runtime/python/grpc/grpc_main_server.py
@@ -0,0 +1,32 @@
+from concurrent import futures
+import paraformer_pb2_grpc
+from grpc_server import ASRServicer
+import grpc
+import argparse
+
+def serve(args):
+      server = grpc.server(futures.ThreadPoolExecutor(max_workers=10),
+                        # interceptors=(AuthInterceptor('Bearer mysecrettoken'),)
+                           )
+      paraformer_pb2_grpc.add_ASRServicer_to_server(ASRServicer(args.user_allowed), server)
+      port = "[::]:" + str(args.port)
+      server.add_insecure_port(port)
+      server.start()
+      print("grpc server started!")
+      server.wait_for_termination()
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--port",
+                        type=int,
+                        default=10095,
+                        help="grpc server port")
+    parser.add_argument("--user_allowed",
+                        type=str,
+                        default="project1_user1|project1_user2|project2_user3",
+                        help="allowed user for grpc client")
+
+
+    args = parser.parse_args()
+
+    serve(args)
diff --git a/funasr/runtime/python/grpc/grpc_server.py b/funasr/runtime/python/grpc/grpc_server.py
new file mode 100644
index 0000000..7dea893
--- /dev/null
+++ b/funasr/runtime/python/grpc/grpc_server.py
@@ -0,0 +1,123 @@
+from concurrent import futures
+import grpc
+import json
+import paraformer_pb2
+import paraformer_pb2_grpc
+import time
+
+
+from paraformer_pb2 import Response
+
+
+from modelscope.pipelines import pipeline
+from modelscope.utils.constant import Tasks
+
+inference_16k_pipline = pipeline(
+   task=Tasks.auto_speech_recognition,
+   model='damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8358-tensorflow1')
+
+auth_user = ['zksz_futureTV_1','zksz_dangaomei_1','zksz_test_1','zksz_test_2','zksz_test_3','zksz_test_4','zksz_test_5','zksz_test_6','zksz_test_7']
+
+
+class ASRServicer(paraformer_pb2_grpc.ASRServicer):
+    def __init__(self):
+        print("ASRServicer init")
+        self.init_flag = 0
+        self.client_buffers = {}
+        self.client_transcription = {}
+
+    def clear_states(self, user):
+        self.clear_buffers(user)
+        self.clear_transcriptions(user)
+
+    def clear_buffers(self, user):
+        if user in self.client_buffers:
+            del self.client_buffers[user]
+
+    def clear_transcriptions(self, user):
+        if user in self.client_transcription:
+            del self.client_transcription[user]
+
+    def disconnect(self, user):
+        self.clear_states(user)
+        print("Disconnecting user: %s" % str(user))
+
+    def Recognize(self, request_iterator, context):
+        
+            
+        for req in request_iterator:
+            if req.user not in auth_user:
+                result = {}
+                result["success"] = False
+                result["detail"] = "Not Authorized user: %s " % req.user
+                result["text"] = ""
+                yield Response(sentence=json.dumps(result), user=req.user, action="terminate", language=req.language)
+            if req.isEnd: #end grpc
+                print("asr end")
+                self.disconnect(req.user)
+                result = {}
+                result["success"] = True
+                result["detail"] = "asr end"
+                result["text"] = ""
+                yield Response(sentence=json.dumps(result), user=req.user, action="terminate",language=req.language)
+            elif req.speaking: #continue speaking
+                if req.audio_data is not None and len(req.audio_data) > 0:
+                    if req.user in self.client_buffers:
+                        self.client_buffers[req.user] += req.audio_data #append audio
+                    else:
+                        self.client_buffers[req.user] = req.audio_data
+                result = {}
+                result["success"] = True
+                result["detail"] = "speaking"
+                result["text"] = ""
+                yield Response(sentence=json.dumps(result), user=req.user, action="speaking", language=req.language)
+            elif not req.speaking: #silence
+                if req.user not in self.client_buffers:
+                    result = {}
+                    result["success"] = True
+                    result["detail"] = "waiting_for_voice"
+                    result["text"] = ""
+                    yield Response(sentence=json.dumps(result), user=req.user, action="waiting", language=req.language)
+                else:
+                    begin_time = int(round(time.time() * 1000))
+                    tmp_data = self.client_buffers[req.user] #TODO make a test, about local variable in class parralle circumstance.
+                    self.clear_states(req.user)
+                    result = {}
+                    result["success"] = True
+                    result["detail"] = "decoding data: %d bytes" % len(tmp_data)
+                    result["text"] = ""
+                    yield Response(sentence=json.dumps(result), user=req.user, action="decoding", language=req.language)
+                    if len(tmp_data) < 800: #min input_len for asr model 
+                        end_time = int(round(time.time() * 1000))
+                        delay_str = str(end_time - begin_time)
+                        result = {}
+                        result["success"] = True
+                        result["detail"] = "finish_sentence_data_is_not_long_enough"
+                        result["server_delay_ms"] = delay_str
+                        result["text"] = ""
+                        print ("user: %s , delay(ms): %s, error: %s " % (req.user, delay_str, "data_is_not_long_enough"))
+                        yield Response(sentence=json.dumps(result), user=req.user, action="finish", language=req.language)
+                    else:                           
+                        asr_result = inference_16k_pipline(audio_in=tmp_data, audio_fs = 16000)
+                        if "text" in asr_result:
+                            asr_result = asr_result['text']
+                        else:
+                            asr_result = ""
+                        end_time = int(round(time.time() * 1000))
+                        delay_str = str(end_time - begin_time)
+                        print ("user: %s , delay(ms): %s, text: %s " % (req.user, delay_str, asr_result))
+                        result = {}
+                        result["success"] = True
+                        result["detail"] = "finish_sentence"
+                        result["server_delay_ms"] = delay_str
+                        result["text"] = asr_result
+                        yield Response(sentence=json.dumps(result), user=req.user, action="finish", language=req.language)
+            else:
+                result = {}
+                result["success"] = False 
+                result["detail"] = "error, no condition matched! Unknown reason."
+                result["text"] = ""
+                self.disconnect(req.user)
+                yield Response(sentence=json.dumps(result), user=req.user, action="terminate", language=req.language)
+                
+

--
Gitblit v1.9.1