C/C++编程：libfiber例子学习

- 日理万妓 2022-10-19 04:10 145阅读 0赞

# channel\_cpp #

#include <acl-lib/acl_cpp/lib_acl.hpp>
    #include <acl-lib/fiber/libfiber.hpp>
    #include <zconf.h>
    struct A{
        
        char buf[256];
    };
    
    class fiber_consumer : public acl::fiber{
        
    public:
        explicit fiber_consumer(int n,
                acl::channel<int>&chan1,
                acl::channel<A>& chan2,
                acl::channel<acl::string *>& chan3)
                :count_(n), chan1_(chan1), chan2_(chan2), chan3_(chan3){
        }
        ~fiber_consumer() override = default;
    
    protected:
        void run() override{
        
            for(int i = 0; i < count_; i++){
        
                int n;
                chan1_.pop(n);
    
                A a{
        };
                chan2_.pop(a);
    
                acl::string * s;
                chan3_.pop(s);
    
                if (i < 1000)
                    printf(">>read: n = %d, a = %s, s = %s\r\n",
                           n, a.buf, s->c_str());
                delete s;
            }
        }
    
    private:
        int count_;
        acl::channel<int> & chan1_;
        acl::channel<A> & chan2_;
        acl::channel<acl::string *> &chan3_;
    };
    
    class fiber_producer : public acl::fiber{
        
    public:
        fiber_producer(int n,
                       acl::channel<int>& chan1,
                       acl::channel<A>& chan2,
                       acl::channel<acl::string*>& chan3)
                : count_(n), chan1_(chan1), chan2_(chan2), chan3_(chan3) {
        }
        ~fiber_producer() override = default;
    
    protected:
        void run() override {
        
            for(int i = 0; i < count_; i++){
        
                int t = count_ - i - 1;
                chan1_ << t;
    
    
    
                A a{
        };
                snprintf(a.buf, sizeof(a.buf), "A-%d", t);
                chan2_ << a;
    
                auto * s = new acl::string;
                s->format("string-%d", t);
                chan3_ << s;
            }
        }
    
    private:
        int count_;
        acl::channel<int>& chan1_;
        acl::channel<A>& chan2_;
        acl::channel<acl::string*>& chan3_;
    };
    
    int main()
    {
        
        int  ch, n = 10;
    
        acl::acl_cpp_init();
        acl::log::stdout_open(true);
    
        acl::channel<int> chan1;
        acl::channel<A> chan2;
        acl::channel<acl::string*> chan3;
    
        fiber_consumer consumer(n, chan1, chan2, chan3);
        consumer.start();
    
        fiber_producer producer(n, chan1, chan2, chan3);
        producer.start();
    
        acl::fiber::schedule();
        return 1;
    }

现象：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poaXpoZW5nZ3Vhbg_size_16_color_FFFFFF_t_70]

分析：

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poaXpoZW5nZ3Vhbg_size_16_color_FFFFFF_t_70 1]  
数据是先进先出的。

# http #

## 服务器1 ##

#include "lib_acl.h"
    #include "acl_cpp/lib_acl.hpp"
    
    
    #include <stdio.h>
    #include <stdlib.h>
    #include <lib_fiber/cpp/include/fiber/http_server.hpp>
    
    
    int main(int argc, char *argv[])
    {
        
        const char* addr = "0.0.0.0|8194";
    
        acl::http_server server;
    
        server.on_thread_init([] {
        
            printf("---> thread-%lu on init\r\n", acl::thread::self());
        }).on_thread_accept([] (acl::socket_stream& conn) {
        
            printf("---> thread-%lu on accept %d\r\n",
                   acl::thread::self(), conn.sock_handle());
            return true;
        }).Get("/", [](acl::HttpRequest& req, acl::HttpResponse& res) {
        
            acl::string buf("hello world1!");
            res.setContentLength(buf.size());
            return res.write(buf.c_str(), buf.size());
        }).Get("/param", [](acl::HttpRequest& req, acl::HttpResponse& res) {
        
            const char * query = req.getQueryString();
            const char * name = req.getParameter("name");
            const char * age = req.getParameter("age");
            printf("query : [%s], name : [%s], age : [%s]", query, name, age);
            acl::string buf(query);
            res.setContentLength(buf.size());
           return res.write(buf.c_str(), buf.size());
        }).Get("/json", [&](acl::HttpRequest&, acl::HttpResponse& res) {
        
            acl::json json;
            acl::json_node& root = json.get_root();
            root.add_number("code", 200)
                    .add_text("status", "+ok")
                    .add_child("data",
                               json.create_node()
                                       .add_text("name", "value")
                                       .add_bool("success", true)
                                       .add_number("number", 200));
            return res.write(json);
        });
    
        server.run_alone(addr);
        return 0;
    }

### 客户端1 ###

#include "acl_cpp/lib_acl.hpp"
    
    int main(void)
    {
        
    
        acl::http_request req("127.0.0.1:8194");
        acl::http_header& hdr = req.request_header();
        hdr.set_url("/param")
        .add_param("name", "oceanstar")
        .add_int("age", 8);
    
        if (!req.request(nullptr, 0)) {
        
            printf("request error!\r\n");
            return 1;
        }
    
        acl::string body;
        if (!req.get_body(body)) {
        
            printf("get_body error!\r\n");
            return 1;
        }
    
        printf("%s\r\n", body.c_str());
        return 0;
    }

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poaXpoZW5nZ3Vhbg_size_16_color_FFFFFF_t_70]: /images/20221005/819de734292749bf9256a720ffbf13b6.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3poaXpoZW5nZ3Vhbg_size_16_color_FFFFFF_t_70 1]: /images/20221005/1c7eb3648efc4cec84331cd13ca4586b.png