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annotate src/core/http.cc @ 379:5eaafed6c10b

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*: clang-format
author Paper <paper@tflc.us>
date Wed, 05 Nov 2025 12:59:46 -0500
parents 47c9f8502269
children aa38b904de4f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include "core/http.h"
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2 #include "core/session.h"
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3 #include <QByteArray>
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4 #include <curl/curl.h>
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5 #include <iostream>
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6 #include <string>
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7 #include <vector>
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8
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9 namespace HTTP {
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10
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11 std::string UrlEncode(const std::string &data)
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12 {
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13 /* why do I need to init curl just for this? wtf? */
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14 CURL *curl = curl_easy_init();
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15 if (!curl)
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16 return ""; /* no way! */
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17
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18 char *output = curl_easy_escape(curl, data.data(), data.size());
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19 if (!output) {
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20 curl_easy_cleanup(curl);
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21 return "";
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22 }
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23
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24 std::string str(output);
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25
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26 curl_free(output);
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27 curl_easy_cleanup(curl);
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28
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29 return str;
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30 }
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31
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32 std::string UrlDecode(const std::string &data)
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33 {
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34 CURL *curl = curl_easy_init();
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35 if (!curl)
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36 return "";
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37
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38 int outlength;
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39 char *output = curl_easy_unescape(curl, data.data(), data.size(), &outlength);
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40 if (!output) {
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41 curl_easy_cleanup(curl);
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42 return "";
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43 }
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44
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45 std::string str(output, outlength);
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46
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47 curl_free(output);
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48 curl_easy_cleanup(curl);
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49
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50 return str;
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51 }
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52
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53 std::string EncodeParamsList(std::string base, const std::map<std::string, std::string> &params)
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54 {
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55 std::size_t count = 0;
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56 for (const auto &param : params) {
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57 base += (!count ? "?" : "&");
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58 base += UrlEncode(param.first);
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59 base += "=";
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60 base += UrlEncode(param.second);
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61
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62 count++;
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63 }
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64
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65 return base;
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66 }
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67
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68 static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userdata)
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69 {
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70 reinterpret_cast<QByteArray *>(userdata)->append(reinterpret_cast<char *>(contents), size * nmemb);
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71 return size * nmemb;
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72 }
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73
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74 QByteArray Request(const std::string &url, const std::vector<std::string> &headers, const std::string &data, Type type)
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75 {
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76 struct curl_slist *list = NULL;
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77 QByteArray userdata;
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78
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79 CURL *curl = curl_easy_init();
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80 if (curl) {
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81 for (const std::string &h : headers)
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82 list = curl_slist_append(list, h.c_str());
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83
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84 curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
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85 if (type == Type::Post)
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86 curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data.c_str());
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87 curl_easy_setopt(curl, CURLOPT_HTTPHEADER, list);
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88 curl_easy_setopt(curl, CURLOPT_WRITEDATA, &userdata);
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89 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &WriteCallback);
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90 /* Use system certs... useful on Windows. */
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91 curl_easy_setopt(curl, CURLOPT_SSL_OPTIONS, CURLSSLOPT_NATIVE_CA);
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92 curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1); // threading
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93 CURLcode res = curl_easy_perform(curl);
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94 session.IncrementRequests();
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95 curl_easy_cleanup(curl);
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96 if (res != CURLE_OK)
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97 session.SetStatusBar(std::string("curl_easy_perform(curl) failed!: ") + curl_easy_strerror(res));
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98 }
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99 return userdata;
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100 }
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101
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102 /* this function is static */
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103 size_t RequestThread::WriteCallback(void *contents, size_t size, size_t nmemb, void *userdata)
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104 {
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105 RequestThread *thread = reinterpret_cast<RequestThread *>(userdata);
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106
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107 const std::lock_guard<std::mutex> lock(thread->callback_data_mutex_);
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108
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109 /* stop writing, then! */
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110 if (thread->cancelled_)
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111 return CURL_WRITEFUNC_ERROR;
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112
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113 /* else, continue on as normal */
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114 thread->array_.append(reinterpret_cast<char *>(contents), size * nmemb);
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115 return size * nmemb;
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116 }
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117
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118 RequestThread::RequestThread(Type type, QObject *parent) : QThread(parent)
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119 {
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120 SetType(type);
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121 }
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122
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123 RequestThread::RequestThread(const std::string &url, const std::vector<std::string> &headers, const std::string &data,
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124 Type type, QObject *parent)
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125 : QThread(parent)
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126 {
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127 SetUrl(url);
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128 SetData(data);
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129 SetHeaders(headers);
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130 SetType(type);
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131 }
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132
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133 RequestThread::~RequestThread()
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134 {
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135 /* block until the function can safely exit */
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136 Stop();
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137 wait();
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138 }
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139
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140 void RequestThread::SetUrl(const std::string &url)
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141 {
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142 url_ = url;
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143 }
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144
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145 void RequestThread::SetHeaders(const std::vector<std::string> &headers)
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146 {
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147 headers_ = headers;
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148 }
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149
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150 void RequestThread::SetData(const std::string &data)
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151 {
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152 data_ = data;
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153 }
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154
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155 void RequestThread::SetType(Type type)
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156 {
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157 type_ = type;
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158 }
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159
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160 void RequestThread::run()
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161 {
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162 struct curl_slist *list = NULL;
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163
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164 CURL *curl = curl_easy_init();
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165 if (curl) {
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166 curl_easy_setopt(curl, CURLOPT_URL, url_.c_str());
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167
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168 if (type_ == Type::Post)
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169 curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data_.c_str());
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170
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171 for (const std::string &h : headers_)
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172 list = curl_slist_append(list, h.c_str());
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173 curl_easy_setopt(curl, CURLOPT_HTTPHEADER, list);
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174
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175 curl_easy_setopt(curl, CURLOPT_WRITEDATA, this);
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176 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &RequestThread::WriteCallback);
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177
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178 /* Use system certs... useful on Windows. */
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179 curl_easy_setopt(curl, CURLOPT_SSL_OPTIONS, CURLSSLOPT_NATIVE_CA);
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180
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181 /* does something with threading, don't remember what though */
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182 curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
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183
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184 CURLcode res = curl_easy_perform(curl);
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185 session.IncrementRequests();
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186 curl_easy_cleanup(curl);
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187
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188 callback_data_mutex_.lock();
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189 if (res != CURLE_OK && !(res == CURLE_WRITE_ERROR && cancelled_))
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190 session.SetStatusBar(std::string("curl_easy_perform(curl) failed!: ") + curl_easy_strerror(res));
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191 callback_data_mutex_.unlock();
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192 }
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193
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194 emit ReceivedData(array_);
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195 array_.clear();
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196 }
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197
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198 void RequestThread::Stop()
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199 {
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200 const std::lock_guard<std::mutex> lock(callback_data_mutex_);
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201 cancelled_ = true;
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202 }
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203
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204 } // namespace HTTP