From a2af08c32d96b136d3d91d28a6da0ba6ea52e00f Mon Sep 17 00:00:00 2001
From: 游雁 <zhifu.gzf@alibaba-inc.com>
Date: 星期四, 15 六月 2023 17:10:12 +0800
Subject: [PATCH] Merge branch 'main' of github.com:alibaba-damo-academy/FunASR add

---
 funasr/runtime/websocket/funasr-ws-client.cpp |  366 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 366 insertions(+), 0 deletions(-)

diff --git a/funasr/runtime/websocket/funasr-ws-client.cpp b/funasr/runtime/websocket/funasr-ws-client.cpp
new file mode 100644
index 0000000..4a3c751
--- /dev/null
+++ b/funasr/runtime/websocket/funasr-ws-client.cpp
@@ -0,0 +1,366 @@
+/**
+ * Copyright FunASR (https://github.com/alibaba-damo-academy/FunASR). All Rights
+ * Reserved. MIT License  (https://opensource.org/licenses/MIT)
+ */
+/* 2022-2023 by zhaomingwork */
+
+// client for websocket, support multiple threads
+// ./funasr-ws-client  --server-ip <string>
+//                     --port <string>
+//                     --wav-path <string>
+//                     [--thread-num <int>] 
+//                     [--is-ssl <int>]  [--]
+//                     [--version] [-h]
+// example:
+// ./funasr-ws-client --server-ip 127.0.0.1 --port 8889 --wav-path test.wav --thread-num 1 --is-ssl 0
+
+#define ASIO_STANDALONE 1
+#include <websocketpp/client.hpp>
+#include <websocketpp/common/thread.hpp>
+#include <websocketpp/config/asio_client.hpp>
+#include <fstream>
+#include <atomic>
+#include <glog/logging.h>
+
+#include "audio.h"
+#include "nlohmann/json.hpp"
+#include "tclap/CmdLine.h"
+
+/**
+ * Define a semi-cross platform helper method that waits/sleeps for a bit.
+ */
+void WaitABit() {
+    #ifdef WIN32
+        Sleep(1000);
+    #else
+        sleep(1);
+    #endif
+}
+std::atomic<int> wav_index(0);
+
+bool IsTargetFile(const std::string& filename, const std::string target) {
+    std::size_t pos = filename.find_last_of(".");
+    if (pos == std::string::npos) {
+        return false;
+    }
+    std::string extension = filename.substr(pos + 1);
+    return (extension == target);
+}
+
+typedef websocketpp::config::asio_client::message_type::ptr message_ptr;
+typedef websocketpp::lib::shared_ptr<websocketpp::lib::asio::ssl::context> context_ptr;
+using websocketpp::lib::bind;
+using websocketpp::lib::placeholders::_1;
+using websocketpp::lib::placeholders::_2;
+context_ptr OnTlsInit(websocketpp::connection_hdl) {
+    context_ptr ctx = websocketpp::lib::make_shared<asio::ssl::context>(
+        asio::ssl::context::sslv23);
+
+    try {
+        ctx->set_options(
+            asio::ssl::context::default_workarounds | asio::ssl::context::no_sslv2 |
+            asio::ssl::context::no_sslv3 | asio::ssl::context::single_dh_use);
+
+    } catch (std::exception& e) {
+        LOG(ERROR) << e.what();
+    }
+    return ctx;
+}
+
+// template for tls or not config
+template <typename T>
+class WebsocketClient {
+  public:
+    // typedef websocketpp::client<T> client;
+    // typedef websocketpp::client<websocketpp::config::asio_tls_client>
+    // wss_client;
+    typedef websocketpp::lib::lock_guard<websocketpp::lib::mutex> scoped_lock;
+
+    WebsocketClient(int is_ssl) : m_open(false), m_done(false) {
+        // set up access channels to only log interesting things
+        m_client.clear_access_channels(websocketpp::log::alevel::all);
+        m_client.set_access_channels(websocketpp::log::alevel::connect);
+        m_client.set_access_channels(websocketpp::log::alevel::disconnect);
+        m_client.set_access_channels(websocketpp::log::alevel::app);
+
+        // Initialize the Asio transport policy
+        m_client.init_asio();
+
+        // Bind the handlers we are using
+        using websocketpp::lib::bind;
+        using websocketpp::lib::placeholders::_1;
+        m_client.set_open_handler(bind(&WebsocketClient::on_open, this, _1));
+        m_client.set_close_handler(bind(&WebsocketClient::on_close, this, _1));
+        // m_client.set_close_handler(bind(&WebsocketClient::on_close, this, _1));
+
+        m_client.set_message_handler(
+            [this](websocketpp::connection_hdl hdl, message_ptr msg) {
+              on_message(hdl, msg);
+            });
+
+        m_client.set_fail_handler(bind(&WebsocketClient::on_fail, this, _1));
+        m_client.clear_access_channels(websocketpp::log::alevel::all);
+    }
+
+    void on_message(websocketpp::connection_hdl hdl, message_ptr msg) {
+        const std::string& payload = msg->get_payload();
+        switch (msg->get_opcode()) {
+            case websocketpp::frame::opcode::text:
+				total_num=total_num+1;
+                LOG(INFO)<<total_num<<",on_message = " << payload;
+				if((total_num+1)==wav_index)
+				{
+					websocketpp::lib::error_code ec;
+					m_client.close(m_hdl, websocketpp::close::status::going_away, "", ec);
+					if (ec){
+                        LOG(ERROR)<< "Error closing connection " << ec.message();
+					}
+				}
+        }
+    }
+
+    // This method will block until the connection is complete  
+    void run(const std::string& uri, const std::vector<string>& wav_list, const std::vector<string>& wav_ids) {
+        // Create a new connection to the given URI
+        websocketpp::lib::error_code ec;
+        typename websocketpp::client<T>::connection_ptr con =
+            m_client.get_connection(uri, ec);
+        if (ec) {
+            m_client.get_alog().write(websocketpp::log::alevel::app,
+                                    "Get Connection Error: " + ec.message());
+            return;
+        }
+        // Grab a handle for this connection so we can talk to it in a thread
+        // safe manor after the event loop starts.
+        m_hdl = con->get_handle();
+
+        // Queue the connection. No DNS queries or network connections will be
+        // made until the io_service event loop is run.
+        m_client.connect(con);
+
+        // Create a thread to run the ASIO io_service event loop
+        websocketpp::lib::thread asio_thread(&websocketpp::client<T>::run,
+                                            &m_client);
+        while(true){
+            int i = wav_index.fetch_add(1);
+            if (i >= wav_list.size()) {
+                break;
+            }
+            send_wav_data(wav_list[i], wav_ids[i]);
+        }
+        WaitABit(); 
+
+        asio_thread.join();
+
+    }
+
+    // The open handler will signal that we are ready to start sending data
+    void on_open(websocketpp::connection_hdl) {
+        m_client.get_alog().write(websocketpp::log::alevel::app,
+                                "Connection opened, starting data!");
+
+        scoped_lock guard(m_lock);
+        m_open = true;
+    }
+
+    // The close handler will signal that we should stop sending data
+    void on_close(websocketpp::connection_hdl) {
+        m_client.get_alog().write(websocketpp::log::alevel::app,
+                                  "Connection closed, stopping data!");
+
+        scoped_lock guard(m_lock);
+        m_done = true;
+    }
+
+    // The fail handler will signal that we should stop sending data
+    void on_fail(websocketpp::connection_hdl) {
+        m_client.get_alog().write(websocketpp::log::alevel::app,
+                                  "Connection failed, stopping data!");
+
+        scoped_lock guard(m_lock);
+        m_done = true;
+    }
+    // send wav to server
+    void send_wav_data(string wav_path, string wav_id) {
+        uint64_t count = 0;
+        std::stringstream val;
+
+		funasr::Audio audio(1);
+        int32_t sampling_rate = 16000;
+		if(IsTargetFile(wav_path.c_str(), "wav")){
+			int32_t sampling_rate = -1;
+			if(!audio.LoadWav(wav_path.c_str(), &sampling_rate))
+				return ;
+		}else if(IsTargetFile(wav_path.c_str(), "pcm")){
+			if (!audio.LoadPcmwav(wav_path.c_str(), &sampling_rate))
+				return ;
+		}else{
+			printf("Wrong wav extension");
+			exit(-1);
+		}
+
+        float* buff;
+        int len;
+        int flag = 0;
+        bool wait = false;
+        while (1) {
+            {
+                scoped_lock guard(m_lock);
+                // If the connection has been closed, stop generating data
+                if (m_done) {
+                  break;
+                }
+                // If the connection hasn't been opened yet wait a bit and retry
+                if (!m_open) {
+                  wait = true;
+                } else {
+                  break;
+                }
+            }
+            if (wait) {
+                LOG(INFO) << "wait.." << m_open;
+                WaitABit();
+                continue;
+            }
+        }
+        websocketpp::lib::error_code ec;
+
+        nlohmann::json jsonbegin;
+        nlohmann::json chunk_size = nlohmann::json::array();
+        chunk_size.push_back(5);
+        chunk_size.push_back(0);
+        chunk_size.push_back(5);
+        jsonbegin["chunk_size"] = chunk_size;
+        jsonbegin["chunk_interval"] = 10;
+        jsonbegin["wav_name"] = wav_id;
+        jsonbegin["is_speaking"] = true;
+        m_client.send(m_hdl, jsonbegin.dump(), websocketpp::frame::opcode::text,
+                      ec);
+
+        // fetch wav data use asr engine api
+        while (audio.Fetch(buff, len, flag) > 0) {
+            short iArray[len];
+
+            // convert float -1,1 to short -32768,32767
+            for (size_t i = 0; i < len; ++i) {
+              iArray[i] = (short)(buff[i] * 32767);
+            }
+            // send data to server
+            m_client.send(m_hdl, iArray, len * sizeof(short),
+                          websocketpp::frame::opcode::binary, ec);
+            LOG(INFO) << "sended data len=" << len * sizeof(short);
+            // The most likely error that we will get is that the connection is
+            // not in the right state. Usually this means we tried to send a
+            // message to a connection that was closed or in the process of
+            // closing. While many errors here can be easily recovered from,
+            // in this simple example, we'll stop the data loop.
+            if (ec) {
+              m_client.get_alog().write(websocketpp::log::alevel::app,
+                                        "Send Error: " + ec.message());
+              break;
+            }
+            // WaitABit();
+        }
+        nlohmann::json jsonresult;
+        jsonresult["is_speaking"] = false;
+        m_client.send(m_hdl, jsonresult.dump(), websocketpp::frame::opcode::text,
+                      ec);
+        // WaitABit();
+    }
+    websocketpp::client<T> m_client;
+
+  private:
+    websocketpp::connection_hdl m_hdl;
+    websocketpp::lib::mutex m_lock;
+    bool m_open;
+    bool m_done;
+	int total_num=0;
+};
+
+int main(int argc, char* argv[]) {
+    google::InitGoogleLogging(argv[0]);
+    FLAGS_logtostderr = true;
+
+    TCLAP::CmdLine cmd("funasr-ws-client", ' ', "1.0");
+    TCLAP::ValueArg<std::string> server_ip_("", "server-ip", "server-ip", true,
+                                           "127.0.0.1", "string");
+    TCLAP::ValueArg<std::string> port_("", "port", "port", true, "8889", "string");
+    TCLAP::ValueArg<std::string> wav_path_("", "wav-path", 
+        "the input could be: wav_path, e.g.: asr_example.wav; pcm_path, e.g.: asr_example.pcm; wav.scp, kaldi style wav list (wav_id \t wav_path)", 
+        true, "", "string");
+    TCLAP::ValueArg<int> thread_num_("", "thread-num", "thread-num",
+                                       false, 1, "int");
+    TCLAP::ValueArg<int> is_ssl_(
+        "", "is-ssl", "is-ssl is 1 means use wss connection, or use ws connection", 
+        false, 0, "int");
+
+    cmd.add(server_ip_);
+    cmd.add(port_);
+    cmd.add(wav_path_);
+    cmd.add(thread_num_);
+    cmd.add(is_ssl_);
+    cmd.parse(argc, argv);
+
+    std::string server_ip = server_ip_.getValue();
+    std::string port = port_.getValue();
+    std::string wav_path = wav_path_.getValue();
+    int threads_num = thread_num_.getValue();
+    int is_ssl = is_ssl_.getValue();
+
+    std::vector<websocketpp::lib::thread> client_threads;
+    std::string uri = "";
+    if (is_ssl == 1) {
+        uri = "wss://" + server_ip + ":" + port;
+    } else {
+        uri = "ws://" + server_ip + ":" + port;
+    }
+
+    // read wav_path
+    std::vector<string> wav_list;
+    std::vector<string> wav_ids;
+    string default_id = "wav_default_id";
+    if(IsTargetFile(wav_path, "wav") || IsTargetFile(wav_path, "pcm")){
+        wav_list.emplace_back(wav_path);
+        wav_ids.emplace_back(default_id);
+    }
+    else if(IsTargetFile(wav_path, "scp")){
+        ifstream in(wav_path);
+        if (!in.is_open()) {
+            printf("Failed to open scp file");
+            return 0;
+        }
+        string line;
+        while(getline(in, line))
+        {
+            istringstream iss(line);
+            string column1, column2;
+            iss >> column1 >> column2;
+            wav_list.emplace_back(column2);
+            wav_ids.emplace_back(column1);
+        }
+        in.close();
+    }else{
+        printf("Please check the wav extension!");
+        exit(-1);
+    }
+    
+    for (size_t i = 0; i < threads_num; i++) {
+        client_threads.emplace_back([uri, wav_list, wav_ids, is_ssl]() {
+          if (is_ssl == 1) {
+            WebsocketClient<websocketpp::config::asio_tls_client> c(is_ssl);
+
+            c.m_client.set_tls_init_handler(bind(&OnTlsInit, ::_1));
+
+            c.run(uri, wav_list, wav_ids);
+          } else {
+            WebsocketClient<websocketpp::config::asio_client> c(is_ssl);
+
+            c.run(uri, wav_list, wav_ids);
+          }
+        });
+    }
+
+    for (auto& t : client_threads) {
+        t.join();
+    }
+}
\ No newline at end of file

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