368 lines
13 KiB
C++
368 lines
13 KiB
C++
#include "data_trans.hpp"
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#include "dirent.h"
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#include <stdio.h>
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#include <zlog.h>
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extern zlog_category_t *zct;
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extern zlog_category_t *zbt;
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DataTrans::DataTrans() : debug_(false) {}
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DataTrans::~DataTrans() {}
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static int OnDebug(CURL *, curl_infotype itype, char *pData, size_t size, void *) {
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if (itype == CURLINFO_TEXT) {
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// printf("[TEXT]%s\n", pData);
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} else if (itype == CURLINFO_HEADER_IN) {
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zlog_debug(zbt, "[HEADER_IN]%s", pData);
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} else if (itype == CURLINFO_HEADER_OUT) {
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zlog_debug(zbt, "[HEADER_OUT]%s", pData);
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} else if (itype == CURLINFO_DATA_IN) {
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zlog_debug(zbt, "[DATA_IN]%s", pData);
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} else if (itype == CURLINFO_DATA_OUT) {
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zlog_debug(zbt, "[DATA_OUT]%s", pData);
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}
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return 0;
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}
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static size_t OnWriteData(void *buffer, size_t size, size_t nmemb, void *lpVoid) {
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std::string *str = dynamic_cast<std::string *>((std::string *)lpVoid);
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if (NULL == str || NULL == buffer) {
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zlog_error(zct, "[OnWriteData] str:%p, buffer:%p", str, buffer);
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return -1;
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}
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char *pData = (char *)buffer;
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str->append(pData, size * nmemb);
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return nmemb;
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}
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static size_t my_fwrite(void *buffer, size_t size, size_t nmemb, void *stream) {
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zlog_debug(zct, "size = %d", size);
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struct DownloadFile *out = (struct DownloadFile *)stream;
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if (out && !out->stream) {
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out->stream = fopen(out->filename, "wb");
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if (!out->stream) return -1;
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}
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return fwrite(buffer, size, nmemb, out->stream);
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}
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int DataTrans::download(char *pFilename, std::string &strUrl, std::string &strResponse, bool bDownload) {
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CURL *curl = NULL;
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CURLcode res;
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struct DownloadFile dlfile = {pFilename, //定义下载到本地的文件位置和路径
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NULL};
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curl_global_init(CURL_GLOBAL_DEFAULT);
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curl = curl_easy_init(); //初始化一个curl指针
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if (curl) { // curl对象存在的情况下执行的操作
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//设置远端地址
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curl_easy_setopt(curl, CURLOPT_URL, strUrl.c_str());
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if (bDownload) {
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//执行写入文件流操作
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_fwrite); //当有数据被写入，回调函数被调用，
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, &dlfile); //设置结构体的指针传递给回调函数
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} else {
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curl_easy_setopt(curl, CURLOPT_READFUNCTION, NULL);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, OnWriteData);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&strResponse);
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}
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curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 8); //连接超时，这个数值如果设置太短可能导致数据请求不到就断开了
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curl_easy_setopt(curl, CURLOPT_TIMEOUT, 10); //接收数据时超时设置，如果10秒内数据未接收完，直接退出
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//启用时会汇报所有的信息，存放在STDERR或指定的CURLOPT_STDERR中
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
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curl_easy_setopt(curl, CURLOPT_USERPWD, "SUREN:SUREN");
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//写入文件
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res = curl_easy_perform(curl);
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//释放curl对象
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curl_easy_cleanup(curl);
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if (res != CURLE_OK) {
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zlog_error(zct, "curl_easy_perform ret:%d", res);
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return -1;
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}
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}
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zlog_debug(zct, "strResponse = %s", strResponse.c_str());
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if (bDownload) {
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if (dlfile.stream) {
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fclose(dlfile.stream);
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}
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}
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curl_global_cleanup();
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return 0;
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}
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size_t writedata2file(void *ptr, size_t size, size_t nmemb, FILE *stream) {
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size_t written = fwrite(ptr, size, nmemb, stream);
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return written;
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}
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int DataTrans::dl_curl_post_req(const std::string &url, const std::string &postParams, std::string &filename) {
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CURL *curl;
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FILE *fp;
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CURLcode res;
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res = curl_global_init(CURL_GLOBAL_ALL);
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if (CURLE_OK != res) {
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zlog_error(zct, "init libcurl failed.");
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curl_global_cleanup();
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return 1;
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}
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curl = curl_easy_init();
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if (curl == NULL) {
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zlog_error(zct, "curl_easy_init failed.");
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curl_global_cleanup();
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return 2;
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}
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fp = fopen(filename.c_str(), "wb");
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res = curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
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if (res != CURLE_OK) {
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fclose(fp);
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curl_easy_cleanup(curl);
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curl_global_cleanup();
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return 3;
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}
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res = curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writedata2file);
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if (res != CURLE_OK) {
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fclose(fp);
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curl_easy_cleanup(curl);
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curl_global_cleanup();
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return 4;
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}
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res = curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
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if (res != CURLE_OK) {
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fclose(fp);
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curl_easy_cleanup(curl);
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curl_global_cleanup();
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return 5;
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}
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res = curl_easy_perform(curl);
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fclose(fp);
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if (res != CURLE_OK) {
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fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
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curl_easy_cleanup(curl);
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curl_global_cleanup();
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return 6;
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}
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curl_easy_cleanup(curl);
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curl_global_cleanup();
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return 0;
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}
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int DataTrans::Post(const std::string &strUrl, const std::string &strPost, std::string &strResponse) {
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CURLcode res;
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CURL *curl = curl_easy_init();
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if (NULL == curl) {
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zlog_error(zct, "curl_easy_init failed.");
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return CURLE_FAILED_INIT;
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}
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if (debug_) {
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
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curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, OnDebug);
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}
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curl_easy_setopt(curl, CURLOPT_URL, strUrl.c_str());
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curl_easy_setopt(curl, CURLOPT_POST, 1);
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curl_easy_setopt(curl, CURLOPT_POSTFIELDS, strPost.c_str());
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curl_easy_setopt(curl, CURLOPT_READFUNCTION, NULL);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, OnWriteData);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&strResponse);
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curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
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curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 3);
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curl_easy_setopt(curl, CURLOPT_TIMEOUT, 3);
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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return res;
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}
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int DataTrans::Get(const std::string &strUrl, std::string &strResponse) {
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CURLcode res;
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CURL *curl = curl_easy_init();
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if (NULL == curl) {
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zlog_error(zct, "curl_easy_init failed.");
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return CURLE_FAILED_INIT;
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}
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if (debug_) {
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
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curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, OnDebug);
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}
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curl_easy_setopt(curl, CURLOPT_URL, strUrl.c_str());
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curl_easy_setopt(curl, CURLOPT_READFUNCTION, NULL);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, OnWriteData);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&strResponse);
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/**
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* 当多个线程都使用超时处理的时候，同时主线程中有sleep或是wait等操作。
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* 如果不设置这个选项，libcurl将会发信号打断这个wait从而导致程序退出。
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*/
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curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
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curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 3);
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curl_easy_setopt(curl, CURLOPT_TIMEOUT, 3);
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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return res;
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}
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int DataTrans::Posts(const std::string &strUrl, const std::string &strPost, std::string &strResponse, const char *pCaPath) {
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CURLcode res;
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CURL *curl = curl_easy_init();
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if (NULL == curl) {
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zlog_error(zct, "curl_easy_init failed.");
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return CURLE_FAILED_INIT;
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}
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if (debug_) {
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
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curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, OnDebug);
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}
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curl_easy_setopt(curl, CURLOPT_URL, strUrl.c_str());
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curl_easy_setopt(curl, CURLOPT_POST, 1);
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curl_easy_setopt(curl, CURLOPT_POSTFIELDS, strPost.c_str());
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curl_easy_setopt(curl, CURLOPT_READFUNCTION, NULL);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, OnWriteData);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&strResponse);
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curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
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if (NULL == pCaPath) {
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false);
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, false);
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} else {
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//缺省情况就是PEM，所以无需设置，另外支持DER
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// curl_easy_setopt(curl,CURLOPT_SSLCERTTYPE,"PEM");
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, true);
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curl_easy_setopt(curl, CURLOPT_CAINFO, pCaPath);
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}
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curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 3);
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curl_easy_setopt(curl, CURLOPT_TIMEOUT, 3);
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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return res;
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}
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int DataTrans::Gets(const std::string &strUrl, std::string &strResponse, const char *pCaPath) {
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CURLcode res;
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CURL *curl = curl_easy_init();
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if (NULL == curl) {
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zlog_error(zct, "curl_easy_init failed.");
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return CURLE_FAILED_INIT;
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}
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if (debug_) {
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
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curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, OnDebug);
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}
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curl_easy_setopt(curl, CURLOPT_URL, strUrl.c_str());
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curl_easy_setopt(curl, CURLOPT_READFUNCTION, NULL);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, OnWriteData);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&strResponse);
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curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
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if (NULL == pCaPath) {
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false);
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, false);
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} else {
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, true);
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curl_easy_setopt(curl, CURLOPT_CAINFO, pCaPath);
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}
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curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 3);
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curl_easy_setopt(curl, CURLOPT_TIMEOUT, 3);
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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return res;
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}
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int DataTrans::upload_file(const std::string &strUrl, const std::string &filename, std::string &response) {
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CURL *curl;
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CURLM *multi_handle;
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int still_running;
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char res[60];
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struct curl_httppost *formpost = NULL;
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struct curl_httppost *lastptr = NULL;
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struct curl_slist *headerlist = NULL;
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static const char buf[] = "Expect:";
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curl_global_init(CURL_GLOBAL_ALL);
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/* Fill in the file upload field. This makes libcurl load data from
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the given file name when curl_easy_perform() is called. */
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/* Fill in the filename field */
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curl_formadd(&formpost, &lastptr, CURLFORM_COPYNAME, "filename", CURLFORM_FILE, filename.c_str(), CURLFORM_END);
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curl_formadd(&formpost, &lastptr, CURLFORM_COPYNAME, "submit", CURLFORM_COPYCONTENTS, "upload", CURLFORM_END);
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curl = curl_easy_init();
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if (NULL == curl) {
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zlog_error(zct, "curl_easy_init failed.");
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return CURLE_FAILED_INIT;
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}
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multi_handle = curl_multi_init();
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if (NULL == multi_handle) {
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zlog_error(zct, "curl_multi_init failed.");
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curl_easy_cleanup(curl);
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return CURLE_FAILED_INIT;
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}
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/* initalize custom header list (stating that Expect: 100-continue is not wanted */
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headerlist = curl_slist_append(headerlist, buf);
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/* what URL that receives this POST */
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curl_easy_setopt(curl, CURLOPT_URL, strUrl.c_str());
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curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, res);
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curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headerlist);
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curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
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curl_multi_add_handle(multi_handle, curl);
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curl_multi_perform(multi_handle, &still_running);
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do {
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struct timeval timeout;
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int rc;
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fd_set fdread;
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fd_set fdwrite;
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fd_set fdexcep;
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int maxfd = -1;
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long curl_timeo = -1;
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FD_ZERO(&fdread);
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FD_ZERO(&fdwrite);
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FD_ZERO(&fdexcep);
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/* set a suitable timeout to play around with */
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timeout.tv_sec = 1;
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timeout.tv_usec = 0;
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curl_multi_timeout(multi_handle, &curl_timeo);
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if (curl_timeo >= 0) {
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timeout.tv_sec = curl_timeo / 1000;
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if (timeout.tv_sec > 1)
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timeout.tv_sec = 1;
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else
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timeout.tv_usec = (curl_timeo % 1000) * 1000;
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}
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/* get file descriptors from the transfers */
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curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
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/* In a real-world program you OF COURSE check the return code of the
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function calls. On success, the value of maxfd is guaranteed to be
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greater or equal than -1. We call select(maxfd + 1, ...), specially in
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case of (maxfd == -1), we call select(0, ...), which is basically equal
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to sleep. */
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rc = select(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
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switch (rc) {
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case -1: break;
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case 0:
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default:
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/* timeout or readable/writable sockets */
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zlog_info(zct, "perform!");
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curl_multi_perform(multi_handle, &still_running);
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zlog_info(zct, "running: %d!", still_running);
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break;
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}
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} while (still_running);
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curl_multi_cleanup(multi_handle);
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/* always cleanup */
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curl_easy_cleanup(curl);
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/* then cleanup the formpost chain */
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curl_formfree(formpost);
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/* free slist */
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curl_slist_free_all(headerlist);
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return 0;
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}
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void DataTrans::SetDebug(bool bDebug) { debug_ = bDebug; }
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