\/*
\n* curlutil.h
\n*
\n* curl\u5de5\u5177\u5e93\uff0c\u7528\u6765\u5904\u7406\u4e0b\u8f7d\u56fe\u7247\u53ca\u5176\u5b83\u8d44\u6e90
\n*
\n*\u00a0 Created on: 2012-10-22
\n*\u00a0\u00a0\u00a0\u00a0\u00a0 Author: joycube2
\n*\/<\/p>\n
#ifndef CURLUTIL_H_
\n#define CURLUTIL_H_<\/p>\n
#include “curl.h”
\n#include “all_include.h”
\n#include “predef.h”
\n\/*
\n* \u5185\u5b58\u5bf9\u8c61\uff0c\u7528\u6765\u5728\u6bcf\u6b21\u8bfb\u53d6\u5230chunk\u540e\uff0c\u6682\u65f6\u4fdd\u5b58\u8bfb\u5230\u7684\u6570\u636e
\n* \u7528\u6765\u5c01\u88c5\u597d\uff0c\u63d0\u4f9b\u7ed9\u5916\u90e8\u8c03\u7528
\n*
\n* samples:
\n*
\n* DownloadResources downloadResources;
\n* initDownloadResource(&downloadResources,url);
\n* download_image(&downloadResources);
\n* …
\n* freeDownloadResource(&downloadResources);
\n*\/
\nstruct DownloadResources {
\nchar* url;
\nchar* memoeryBuff;
\nsize_t size;
\n};<\/p>\n
\/*
\n* \u521d\u59cb\u5316downloadResource\u5bf9\u8c61\u4e00\u4e9b\u76f8\u5dee\u7684\u521d\u59cb\u5316\u4fe1\u606f
\n*\/
\nvoid initDownloadResource(DownloadResources* downloadResources, char* url) {
\ndownloadResources->url = url;
\ndownloadResources->memoeryBuff = NULL;
\ndownloadResources->size = 0;
\n}<\/p>\n
\/*
\n* \u91ca\u653e\u5206\u914d\u7684\u5185\u5b58\u7a7a\u95f4
\n*\/
\nvoid freeDownloadResource(DownloadResources* downloadResources) {
\nif (downloadResources->memoeryBuff) {
\nfree(downloadResources->memoeryBuff);
\n}
\n}<\/p>\n
size_t write_data(char *responseContent, size_t size, size_t nmemb,
\nvoid *userdata) {
\nlogDebug(“curl response: size:%d nmemb:%d”, size, nmemb);
\nsize_t realSize = size * nmemb;<\/p>\n
struct DownloadResources* mem = (struct DownloadResources*) userdata;<\/p>\n
if (mem->size == 0) {
\nmem->memoeryBuff = (char*) malloc(realSize);
\nmemcpy(mem->memoeryBuff, responseContent, realSize);
\n} else {
\nmem->memoeryBuff = (char*) realloc(mem->memoeryBuff,
\nmem->size + realSize);
\nmemcpy(mem->memoeryBuff + mem->size, responseContent, realSize);
\n}<\/p>\n
mem->size += realSize;<\/p>\n
return realSize;
\n}
\n\/*
\n* \u8bd5\u8bd5\u80fd\u4e0d\u80fd\u76f4\u63a5\u7ed9\u6307\u9488
\n*\/
\nvoid download_image(DownloadResources* downloadResources) {
\nlogInfo(“download %s”,downloadResources->url);<\/p>\n
CURL * curl;
\nCURLcode res;<\/p>\n
curl = curl_easy_init();<\/p>\n
if (curl) {
\ncurl_easy_setopt(curl, CURLOPT_URL, downloadResources->url);<\/p>\n
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);<\/p>\n
curl_easy_setopt(curl, CURLOPT_WRITEDATA, downloadResources);<\/p>\n
res = curl_easy_perform(curl);<\/p>\n
curl_easy_cleanup(curl);<\/p>\n
if (res != CURLE_OK) {
\nlogError(“failed:%s”, curl_easy_strerror(res));
\n}
\n} else {
\nlogError(“failed:%s”, curl_easy_strerror(res));
\n}
\n}<\/p>\n
#endif \/* CURLUTIL_H_ *\/<\/p>\n","protected":false},"excerpt":{"rendered":"
\/* * curlutil.h * * curl\u5de5\u5177\u5e93\uff0c\u7528\u6765\u5904\u7406\u4e0b\u8f7d\u56fe\u7247\u53ca\u5176\u5b83\u8d44 …<\/p>\n