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上传 httpclient Demo

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adminPyf 3 years ago
parent
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commit
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  1. +2
    -0
      test_http_client/Makefile
  2. +162
    -0
      test_http_client/first_libevent.vcxproj
  3. +31
    -0
      test_http_client/test_event_client.sln
  4. +130
    -0
      test_http_client/test_http_client.cpp

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test_http_client/Makefile View File

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test_http_client: test_http_client.cpp
g++ $^ -o $@ -levent

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test_http_client/first_libevent.vcxproj View File

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<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<VCProjectVersion>15.0</VCProjectVersion>
<ProjectGuid>{129BF326-BFEE-4F1C-920C-0C302BB84895}</ProjectGuid>
<Keyword>Win32Proj</Keyword>
<RootNamespace>firstlibevent</RootNamespace>
<WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
<ProjectName>test_http_client</ProjectName>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<LinkIncremental>false</LinkIncremental>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<ClCompile>
<PrecompiledHeader>
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<WarningLevel>Level3</WarningLevel>
<Optimization>Disabled</Optimization>
<SDLCheck>true</SDLCheck>
<PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<ConformanceMode>true</ConformanceMode>
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<Link>
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<PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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test_http_client/test_event_client.sln View File

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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 15
VisualStudioVersion = 15.0.28307.1525
MinimumVisualStudioVersion = 10.0.40219.1
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "first_libevent", "first_libevent.vcxproj", "{129BF326-BFEE-4F1C-920C-0C302BB84895}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|x64 = Debug|x64
Debug|x86 = Debug|x86
Release|x64 = Release|x64
Release|x86 = Release|x86
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{129BF326-BFEE-4F1C-920C-0C302BB84895}.Debug|x64.ActiveCfg = Debug|x64
{129BF326-BFEE-4F1C-920C-0C302BB84895}.Debug|x64.Build.0 = Debug|x64
{129BF326-BFEE-4F1C-920C-0C302BB84895}.Debug|x86.ActiveCfg = Debug|Win32
{129BF326-BFEE-4F1C-920C-0C302BB84895}.Debug|x86.Build.0 = Debug|Win32
{129BF326-BFEE-4F1C-920C-0C302BB84895}.Release|x64.ActiveCfg = Release|x64
{129BF326-BFEE-4F1C-920C-0C302BB84895}.Release|x64.Build.0 = Release|x64
{129BF326-BFEE-4F1C-920C-0C302BB84895}.Release|x86.ActiveCfg = Release|Win32
{129BF326-BFEE-4F1C-920C-0C302BB84895}.Release|x86.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {191D7F93-7554-493B-92E1-BB302C5A8383}
EndGlobalSection
EndGlobal

+ 130
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test_http_client/test_http_client.cpp View File

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#include <iostream>
#include<event2/event.h>
#include <event2/listener.h>
#include <event2/http.h>
#include <event2/listener.h>
#include <event2/buffer.h>
#include <event2/bufferevent.h>
#include <string.h>
#ifndef _WIN32
#include <signal.h>
#endif // !_WIN32
using namespace std;
void http_client_cb(struct evhttp_request *req, void *ctx) {
cout << "http_client_cb" << endl;
bufferevent *bev = (bufferevent*)ctx;
if (req == NULL) {
int errcode = EVUTIL_SOCKET_ERROR();
cout << "socket error: " << evutil_socket_error_to_string(errcode) << endl;
return;
}
//获取path
const char* path = evhttp_request_get_uri(req);
cout << "request path is " << path << endl;
//获取返回的code
cout << "Respone: " << evhttp_request_get_response_code(req);
cout << "" << evhttp_request_get_response_code_line(req) << endl;
char buf[1024] = { 0 };
evbuffer *input = evhttp_request_get_input_buffer(req);
for (;;) {
int len = evbuffer_remove(input,buf,sizeof(buf)-1);
if(len <=0 )
buf[len] = 0;
}
}
int main()
{
#ifdef _WIN32
//初始化socket库
WSADATA wsa;
WSAStartup(MAKEWORD(2, 2), &wsa);
#else
if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) { //忽略管道信号，发送数据给已关闭的socket，会飞掉！
return 1;
}
#endif
//创建libevent上下文
event_base* base = event_base_new();
// 生成请求信息 GET
//string http_url = "http://www.pyfup.com/index.html?id=1";
string http_url = "http://121.4.70.4:3000//index.html?id=1"; //地址 自己换着测试
evhttp_uri *uri = evhttp_uri_parse(http_url.c_str());
const char* schemo = evhttp_uri_get_scheme(uri);
if (!schemo) {
cerr << "schemo is null" << endl;
return -1;
}
cout << "schemo is " << schemo << endl;
int port = evhttp_uri_get_port(uri);
if (port < 0) {
if (strcmp(schemo, "http") == 0)
port = 80;
}
cout << "host is " << port << endl;
const char* host = evhttp_uri_get_host(uri);
if (!host) {
cerr << "host is null" << endl;
return -1;
}
cout << "host is " << host << endl;
const char *path = evhttp_uri_get_path(uri);
if (!path || strlen(path) == 0) {
path = "/";
}
cout << "path is " << path << endl;
//?号之后的内容
const char* query = evhttp_uri_get_query(uri);
if (query) {
cout << "query is " << query << endl;
}
bufferevent *bev = bufferevent_socket_new(base, -1, BEV_OPT_CLOSE_ON_FREE);
evhttp_connection *evcon = evhttp_connection_base_bufferevent_new(base, NULL, bev, host, port);
evhttp_request *req = evhttp_request_new(http_client_cb, bev);
//设置请求的head 消息报头 信息
struct evkeyvalq*out_put_headers = evhttp_request_get_output_headers(req);
evhttp_add_header(out_put_headers, "Host", host);
//发起请求
evhttp_make_request(evcon, req, EVHTTP_REQ_GET, path);
if (base)
event_base_dispatch(base); //事件分发处理
if (base)
event_base_free(base);
#if _WIN32
WSACleanup();
#endif // _WIN32
return 0;
}

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