Mercurial > octave-nkf
annotate liboctave/util/url-transfer.cc @ 17598:d8d71c89fff2
eliminate unnecessary member variable in url_base_transfer class
* url-transfer.h, url-transfer.cc (base_url_transfer::userpw):
Delete member variable.
(curl_transfer::init): Declare userpwd as a local variable.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 07 Oct 2013 22:35:55 -0400 |
parents | e5932e528721 |
children | 9e507e30c9ea |
rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 2013 John W. Eaton |
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4 Copyright (C) 2006-2012 Alexander Barth |
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5 Copyright (C) 2009 David Bateman |
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6 |
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7 This file is part of Octave. |
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8 |
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9 Octave is free software; you can redistribute it and/or modify it |
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10 under the terms of the GNU General Public License as published by the |
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11 Free Software Foundation; either version 3 of the License, or (at your |
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12 option) any later version. |
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13 |
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14 Octave is distributed in the hope that it will be useful, but WITHOUT |
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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17 for more details. |
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18 |
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19 You should have received a copy of the GNU General Public License |
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20 along with Octave; see the file COPYING. If not, see |
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21 <http://www.gnu.org/licenses/>. |
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22 |
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23 */ |
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24 |
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25 // Author: Alexander Barth <abarth@marine.usf.edu> |
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26 // Author: jwe |
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27 |
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28 #ifdef HAVE_CONFIG_H |
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29 #include <config.h> |
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30 #endif |
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31 |
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32 #include <fstream> |
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33 #include <iomanip> |
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34 #include <iostream> |
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35 |
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36 #include "dir-ops.h" |
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37 #include "file-ops.h" |
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38 #include "file-stat.h" |
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39 #include "unwind-prot.h" |
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40 #include "url-transfer.h" |
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41 |
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42 #ifdef HAVE_CURL |
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43 #include <curl/curl.h> |
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44 #include <curl/curlver.h> |
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45 #include <curl/easy.h> |
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46 #endif |
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47 |
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48 void |
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49 base_url_transfer::delete_file (const std::string& file) |
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50 { |
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51 octave_unlink (file); |
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52 } |
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53 |
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54 void |
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55 base_url_transfer::mget_directory (const std::string& directory, |
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56 const std::string& target) |
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57 { |
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58 std::string sep = file_ops::dir_sep_str (); |
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59 file_stat fs (directory); |
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60 |
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61 if (!fs || !fs.is_dir ()) |
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62 { |
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63 std::string msg; |
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64 int status = octave_mkdir (directory, 0777, msg); |
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65 |
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66 if (status < 0) |
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67 { |
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68 ok = false; |
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69 errmsg = "__ftp_mget__: can not create directory '" |
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70 + target + sep + directory + "': " + msg; |
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71 return; |
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72 } |
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73 } |
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74 |
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75 cwd (directory); |
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76 |
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77 if (good ()) |
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78 { |
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79 unwind_protect_safe frame; |
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80 |
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81 frame.add_fcn (reset_path, this); |
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82 |
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83 string_vector sv = list (); |
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84 |
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85 for (octave_idx_type i = 0; i < sv.length (); i++) |
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86 { |
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87 time_t ftime; |
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88 bool fisdir; |
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89 double fsize; |
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90 |
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91 get_fileinfo (sv(i), fsize, ftime, fisdir); |
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92 |
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93 if (fisdir) |
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94 mget_directory (sv(i), target + directory + sep); |
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95 else |
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96 { |
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97 std::string realfile = target + directory + sep + sv(i); |
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98 |
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99 std::ofstream ofile (realfile.c_str (), |
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100 std::ios::out | std::ios::binary); |
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101 |
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102 if (! ofile.is_open ()) |
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103 { |
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104 ok = false; |
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105 errmsg = "__ftp_mget__: unable to open file"; |
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106 break; |
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107 } |
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108 |
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109 unwind_protect_safe frame2; |
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110 |
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111 frame2.add_fcn (delete_file, realfile); |
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112 |
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113 get (sv(i), ofile); |
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114 |
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115 ofile.close (); |
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116 |
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117 if (good ()) |
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118 frame2.discard (); |
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119 } |
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120 |
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121 if (! good ()) |
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122 break; |
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123 } |
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124 } |
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125 } |
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126 |
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127 string_vector |
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128 base_url_transfer::mput_directory (const std::string& base, |
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129 const std::string& directory) |
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130 { |
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131 string_vector file_list; |
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132 |
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133 std::string realdir |
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134 = (base.length () == 0 |
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135 ? directory : base + file_ops::dir_sep_str () + directory); |
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136 |
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137 mkdir (directory); |
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138 |
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139 if (! good ()) |
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140 return file_list; |
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141 |
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142 cwd (directory); |
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143 |
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144 if (good ()) |
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145 { |
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146 unwind_protect_safe frame; |
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147 |
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148 frame.add_fcn (reset_path, this); |
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149 |
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150 dir_entry dirlist (realdir); |
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151 |
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152 if (dirlist) |
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153 { |
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154 string_vector files = dirlist.read (); |
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155 |
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156 for (octave_idx_type i = 0; i < files.length (); i++) |
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157 { |
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158 std::string file = files (i); |
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159 |
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160 if (file == "." || file == "..") |
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161 continue; |
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162 |
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163 std::string realfile = realdir + file_ops::dir_sep_str () + file; |
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164 file_stat fs (realfile); |
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165 |
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166 if (! fs.exists ()) |
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167 { |
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168 ok = false; |
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169 errmsg = "__ftp__mput: file '" + realfile |
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170 + "' does not exist"; |
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171 break; |
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172 } |
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173 |
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174 if (fs.is_dir ()) |
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175 { |
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176 file_list.append (mput_directory (realdir, file)); |
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177 |
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178 if (! good ()) |
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179 break; |
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180 } |
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181 else |
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182 { |
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183 // FIXME Does ascii mode need to be flagged here? |
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184 std::ifstream ifile (realfile.c_str (), std::ios::in | |
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185 std::ios::binary); |
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186 |
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187 if (! ifile.is_open ()) |
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188 { |
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189 ok = false; |
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190 errmsg = "__ftp_mput__: unable to open file '" |
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191 + realfile + "'"; |
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192 break; |
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193 } |
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194 |
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195 put (file, ifile); |
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196 |
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197 ifile.close (); |
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198 |
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199 if (! good ()) |
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200 break; |
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201 |
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202 file_list.append (realfile); |
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203 } |
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204 } |
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205 } |
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206 else |
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207 { |
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208 ok = false; |
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209 errmsg = "__ftp_mput__: can not read the directory '" |
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210 + realdir + "'"; |
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211 } |
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212 } |
17597
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213 |
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214 return file_list; |
17555
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215 } |
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216 |
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217 #if defined (HAVE_CURL) |
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218 |
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219 static int |
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220 write_data (void *buffer, size_t size, size_t nmemb, void *streamp) |
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221 { |
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222 std::ostream& stream = *(static_cast<std::ostream*> (streamp)); |
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223 stream.write (static_cast<const char*> (buffer), size*nmemb); |
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224 return (stream.fail () ? 0 : size * nmemb); |
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225 } |
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226 |
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227 static int |
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228 read_data (void *buffer, size_t size, size_t nmemb, void *streamp) |
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229 { |
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230 std::istream& stream = *(static_cast<std::istream*> (streamp)); |
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231 stream.read (static_cast<char*> (buffer), size*nmemb); |
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232 if (stream.eof ()) |
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233 return stream.gcount (); |
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234 else |
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235 return (stream.fail () ? 0 : size * nmemb); |
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236 } |
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237 |
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238 static size_t |
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239 throw_away (void *, size_t size, size_t nmemb, void *) |
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240 { |
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241 return static_cast<size_t>(size * nmemb); |
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242 } |
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243 |
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244 // I'd love to rewrite this as a private method of the url_transfer |
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245 // class, but you can't pass the va_list from the wrapper SETOPT to |
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246 // the curl_easy_setopt function. |
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247 #define SETOPT(option, parameter) \ |
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248 do \ |
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249 { \ |
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250 CURLcode res = curl_easy_setopt (curl, option, parameter); \ |
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251 if (res != CURLE_OK) \ |
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252 { \ |
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253 ok = false; \ |
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254 errmsg = curl_easy_strerror (res); \ |
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255 return; \ |
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256 } \ |
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257 } \ |
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258 while (0) |
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259 |
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260 // Same as above but with a return value. |
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261 #define SETOPTR(option, parameter) \ |
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262 do \ |
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263 { \ |
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264 CURLcode res = curl_easy_setopt (curl, option, parameter); \ |
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265 if (res != CURLE_OK) \ |
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266 { \ |
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267 ok = false; \ |
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268 errmsg = curl_easy_strerror (res); \ |
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269 return retval; \ |
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270 } \ |
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271 } \ |
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272 while (0) |
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273 |
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274 class curl_transfer : public base_url_transfer |
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275 { |
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276 public: |
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277 |
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278 curl_transfer (void) |
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279 : base_url_transfer (), curl (curl_easy_init ()), errnum () |
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280 { |
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281 if (curl) |
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282 valid = true; |
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283 else |
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284 errmsg = "can not create curl object"; |
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285 } |
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286 |
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287 curl_transfer (const std::string& host, const std::string& user_arg, |
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288 const std::string& passwd, std::ostream& os) |
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289 : base_url_transfer (host, user_arg, passwd, os), |
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290 curl (curl_easy_init ()), errnum () |
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291 { |
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292 if (curl) |
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293 valid = true; |
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294 else |
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295 { |
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296 errmsg = "can not create curl object"; |
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297 return; |
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298 } |
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299 |
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300 init (user_arg, passwd, std::cin, os); |
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301 |
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302 std::string url ("ftp://" + host); |
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303 SETOPT (CURLOPT_URL, url.c_str ()); |
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304 |
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305 // Set up the link, with no transfer. |
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306 perform (); |
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307 } |
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308 |
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309 curl_transfer (const std::string& url, std::ostream& os) |
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310 : base_url_transfer (url, os), curl (curl_easy_init ()), errnum () |
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311 { |
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312 if (curl) |
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313 valid = true; |
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314 else |
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315 { |
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316 errmsg = "can not create curl object"; |
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317 return; |
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318 } |
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319 |
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320 init ("", "", std::cin, os); |
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321 |
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322 SETOPT (CURLOPT_NOBODY, 0); |
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323 |
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324 // Restore the default HTTP request method to GET after setting |
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325 // NOBODY to true (in the init method) and back to false (above). |
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326 // This is needed for backward compatibility with versions of |
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327 // libcurl < 7.18.2. |
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328 SETOPT (CURLOPT_HTTPGET, 1); |
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329 } |
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330 |
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331 ~curl_transfer (void) |
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332 { |
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333 if (curl) |
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334 curl_easy_cleanup (curl); |
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335 } |
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336 |
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337 void perform (void) |
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338 { |
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339 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
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340 |
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341 errnum = curl_easy_perform (curl); |
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342 |
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343 if (errnum != CURLE_OK) |
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344 { |
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345 ok = false; |
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346 errmsg = curl_easy_strerror (errnum); |
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347 } |
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348 |
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349 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; |
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350 } |
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351 |
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352 std::string lasterror (void) const |
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353 { |
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354 return std::string (curl_easy_strerror (errnum)); |
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355 } |
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356 |
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357 std::ostream& set_ostream (std::ostream& os) |
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358 { |
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359 std::ostream& retval = *curr_ostream; |
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360 curr_ostream = &os; |
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361 SETOPTR (CURLOPT_WRITEDATA, static_cast<void*> (curr_ostream)); |
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362 return retval; |
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363 } |
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364 |
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365 std::istream& set_istream (std::istream& is) |
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366 { |
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367 std::istream& retval = *curr_istream; |
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368 curr_istream = &is; |
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369 SETOPTR (CURLOPT_READDATA, static_cast<void*> (curr_istream)); |
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370 return retval; |
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371 } |
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372 |
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373 void ascii (void) |
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374 { |
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375 ascii_mode = true; |
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376 SETOPT (CURLOPT_TRANSFERTEXT, 1); |
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377 } |
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378 |
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379 void binary (void) |
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380 { |
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381 ascii_mode = false; |
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382 SETOPT (CURLOPT_TRANSFERTEXT, 0); |
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383 } |
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384 |
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385 void cwd (const std::string& path) |
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386 { |
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387 ftp_file_or_dir_action (path, "cwd"); |
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388 } |
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389 |
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390 void del (const std::string& file) |
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391 { |
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392 ftp_file_or_dir_action (file, "dele"); |
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393 } |
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394 |
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395 void rmdir (const std::string& path) |
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396 { |
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397 ftp_file_or_dir_action (path, "rmd"); |
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398 } |
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399 |
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400 void mkdir (const std::string& path) |
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401 { |
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402 ftp_file_or_dir_action (path, "mkd"); |
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parents:
diff
changeset
|
403 } |
0946b0e06544
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parents:
diff
changeset
|
404 |
0946b0e06544
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parents:
diff
changeset
|
405 void rename (const std::string& oldname, const std::string& newname) |
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parents:
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changeset
|
406 { |
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|
407 struct curl_slist *slist = 0; |
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parents:
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|
408 |
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parents:
diff
changeset
|
409 unwind_protect frame; |
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parents:
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changeset
|
410 frame.add_fcn (curl_slist_free_all, slist); |
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parents:
diff
changeset
|
411 |
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parents:
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changeset
|
412 std::string cmd = "rnfr " + oldname; |
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|
413 slist = curl_slist_append (slist, cmd.c_str ()); |
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parents:
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changeset
|
414 cmd = "rnto " + newname; |
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parents:
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changeset
|
415 slist = curl_slist_append (slist, cmd.c_str ()); |
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parents:
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|
416 SETOPT (CURLOPT_POSTQUOTE, slist); |
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parents:
diff
changeset
|
417 |
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parents:
diff
changeset
|
418 perform (); |
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parents:
diff
changeset
|
419 if (! good ()) |
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parents:
diff
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|
420 return; |
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parents:
diff
changeset
|
421 |
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parents:
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changeset
|
422 SETOPT (CURLOPT_POSTQUOTE, 0); |
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parents:
diff
changeset
|
423 } |
0946b0e06544
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diff
changeset
|
424 |
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changeset
|
425 void put (const std::string& file, std::istream& is) |
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426 { |
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427 std::string url = "ftp://" + host_or_url + "/" + file; |
17555
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428 SETOPT (CURLOPT_URL, url.c_str ()); |
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|
429 SETOPT (CURLOPT_UPLOAD, 1); |
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430 SETOPT (CURLOPT_NOBODY, 0); |
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|
431 std::istream& old_is = set_istream (is); |
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432 |
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changeset
|
433 perform (); |
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changeset
|
434 if (! good ()) |
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|
435 return; |
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changeset
|
436 |
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parents:
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changeset
|
437 set_istream (old_is); |
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|
438 SETOPT (CURLOPT_NOBODY, 1); |
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|
439 SETOPT (CURLOPT_UPLOAD, 0); |
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440 url = "ftp://" + host_or_url; |
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441 SETOPT (CURLOPT_URL, url.c_str ()); |
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|
442 } |
0946b0e06544
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|
443 |
0946b0e06544
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John W. Eaton <jwe@octave.org>
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|
444 void get (const std::string& file, std::ostream& os) |
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445 { |
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446 std::string url = "ftp://" + host_or_url + "/" + file; |
17555
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|
447 SETOPT (CURLOPT_URL, url.c_str ()); |
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|
448 SETOPT (CURLOPT_NOBODY, 0); |
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|
449 std::ostream& old_os = set_ostream (os); |
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|
450 |
0946b0e06544
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diff
changeset
|
451 perform (); |
0946b0e06544
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changeset
|
452 if (! good ()) |
0946b0e06544
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|
453 return; |
0946b0e06544
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diff
changeset
|
454 |
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changeset
|
455 set_ostream (old_os); |
0946b0e06544
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|
456 SETOPT (CURLOPT_NOBODY, 1); |
17596
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457 url = "ftp://" + host_or_url; |
17555
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458 SETOPT (CURLOPT_URL, url.c_str ()); |
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|
459 } |
0946b0e06544
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diff
changeset
|
460 |
0946b0e06544
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parents:
diff
changeset
|
461 void dir (void) |
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diff
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|
462 { |
17596
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17595
diff
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|
463 std::string url = "ftp://" + host_or_url + "/"; |
17555
0946b0e06544
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diff
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|
464 SETOPT (CURLOPT_URL, url.c_str ()); |
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|
465 SETOPT (CURLOPT_NOBODY, 0); |
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diff
changeset
|
466 |
0946b0e06544
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parents:
diff
changeset
|
467 perform (); |
0946b0e06544
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diff
changeset
|
468 if (! good ()) |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
469 return; |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
470 |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
471 SETOPT (CURLOPT_NOBODY, 1); |
17596
43b9181340fb
separate object creation from http actions in url_transfer class
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17595
diff
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|
472 url = "ftp://" + host_or_url; |
17555
0946b0e06544
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parents:
diff
changeset
|
473 SETOPT (CURLOPT_URL, url.c_str ()); |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
474 } |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
475 |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
476 string_vector list (void) |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
477 { |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
478 string_vector retval; |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
479 |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
480 std::ostringstream buf; |
17596
43b9181340fb
separate object creation from http actions in url_transfer class
John W. Eaton <jwe@octave.org>
parents:
17595
diff
changeset
|
481 std::string url = "ftp://" + host_or_url + "/"; |
17555
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
482 SETOPTR (CURLOPT_WRITEDATA, static_cast<void*> (&buf)); |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
483 SETOPTR (CURLOPT_URL, url.c_str ()); |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
484 SETOPTR (CURLOPT_DIRLISTONLY, 1); |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
485 SETOPTR (CURLOPT_NOBODY, 0); |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
486 |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
487 perform (); |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
488 if (! good ()) |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
489 return retval; |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
490 |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
491 SETOPTR (CURLOPT_NOBODY, 1); |
17596
43b9181340fb
separate object creation from http actions in url_transfer class
John W. Eaton <jwe@octave.org>
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17595
diff
changeset
|
492 url = "ftp://" + host_or_url; |
17555
0946b0e06544
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parents:
diff
changeset
|
493 SETOPTR (CURLOPT_WRITEDATA, static_cast<void*> (curr_ostream)); |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
494 SETOPTR (CURLOPT_DIRLISTONLY, 0); |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
495 SETOPTR (CURLOPT_URL, url.c_str ()); |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
496 |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
497 // Count number of directory entries |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
498 std::string str = buf.str (); |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
499 octave_idx_type n = 0; |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
500 size_t pos = 0; |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
501 while (true) |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
502 { |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
503 pos = str.find_first_of ('\n', pos); |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
504 if (pos == std::string::npos) |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
505 break; |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
506 pos++; |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
507 n++; |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
508 } |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
509 retval.resize (n); |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
510 pos = 0; |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
511 for (octave_idx_type i = 0; i < n; i++) |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
512 { |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
513 size_t newpos = str.find_first_of ('\n', pos); |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
514 if (newpos == std::string::npos) |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
515 break; |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
516 |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
517 retval(i) = str.substr(pos, newpos - pos); |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
518 pos = newpos + 1; |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
519 } |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
520 |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
521 return retval; |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
522 } |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
523 |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
524 void get_fileinfo (const std::string& filename, double& filesize, |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
525 time_t& filetime, bool& fileisdir) |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
526 { |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
527 std::string path = pwd (); |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
528 |
17596
43b9181340fb
separate object creation from http actions in url_transfer class
John W. Eaton <jwe@octave.org>
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17595
diff
changeset
|
529 std::string url = "ftp://" + host_or_url + "/" + path + "/" + filename; |
17555
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
530 SETOPT (CURLOPT_URL, url.c_str ()); |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
531 SETOPT (CURLOPT_FILETIME, 1); |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
532 SETOPT (CURLOPT_HEADERFUNCTION, throw_away); |
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533 SETOPT (CURLOPT_WRITEFUNCTION, throw_away); |
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534 |
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535 // FIXME |
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536 // The MDTM command fails for a directory on the servers I tested |
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537 // so this is a means of testing for directories. It also means |
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538 // I can't get the date of directories! |
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539 |
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540 perform (); |
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541 if (! good ()) |
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542 { |
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543 fileisdir = true; |
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544 filetime = -1; |
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545 filesize = 0; |
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546 |
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547 return; |
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548 } |
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549 |
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550 fileisdir = false; |
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551 time_t ft; |
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552 curl_easy_getinfo (curl, CURLINFO_FILETIME, &ft); |
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553 filetime = ft; |
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554 double fs; |
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555 curl_easy_getinfo (curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &fs); |
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556 filesize = fs; |
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557 |
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558 SETOPT (CURLOPT_WRITEFUNCTION, write_data); |
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559 SETOPT (CURLOPT_HEADERFUNCTION, 0); |
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560 SETOPT (CURLOPT_FILETIME, 0); |
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561 url = "ftp://" + host_or_url; |
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562 SETOPT (CURLOPT_URL, url.c_str ()); |
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563 |
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564 // The MDTM command seems to reset the path to the root with the |
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565 // servers I tested with, so cd again into the correct path. Make |
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566 // the path absolute so that this will work even with servers that |
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567 // don't end up in the root after an MDTM command. |
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568 cwd ("/" + path); |
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569 } |
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570 |
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571 std::string pwd (void) |
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572 { |
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573 std::string retval; |
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574 |
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575 struct curl_slist *slist = 0; |
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576 |
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577 unwind_protect frame; |
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578 frame.add_fcn (curl_slist_free_all, slist); |
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579 |
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580 slist = curl_slist_append (slist, "pwd"); |
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581 SETOPTR (CURLOPT_POSTQUOTE, slist); |
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582 SETOPTR (CURLOPT_HEADERFUNCTION, write_data); |
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583 |
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584 std::ostringstream buf; |
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585 SETOPTR (CURLOPT_WRITEHEADER, static_cast<void *>(&buf)); |
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586 |
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587 perform (); |
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588 if (! good ()) |
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589 return retval; |
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590 |
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591 retval = buf.str (); |
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592 |
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593 // Can I assume that the path is alway in "" on the last line |
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594 size_t pos2 = retval.rfind ('"'); |
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595 size_t pos1 = retval.rfind ('"', pos2 - 1); |
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596 retval = retval.substr (pos1 + 1, pos2 - pos1 - 1); |
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597 |
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598 SETOPTR (CURLOPT_HEADERFUNCTION, 0); |
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599 SETOPTR (CURLOPT_WRITEHEADER, 0); |
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600 SETOPTR (CURLOPT_POSTQUOTE, 0); |
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601 |
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602 return retval; |
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603 } |
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604 |
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605 void http_get (const Array<std::string>& param) |
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606 { |
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607 std::string url = host_or_url; |
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608 |
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609 std::string query_string = form_query_string (param); |
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610 |
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611 if (! query_string.empty ()) |
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612 url += "?" + query_string; |
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613 |
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614 SETOPT (CURLOPT_URL, url.c_str ()); |
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615 |
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616 perform (); |
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617 } |
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618 |
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619 void http_post (const Array<std::string>& param) |
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620 { |
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621 SETOPT (CURLOPT_URL, host_or_url.c_str ()); |
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622 |
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623 std::string query_string = form_query_string (param); |
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624 |
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625 SETOPT (CURLOPT_POSTFIELDS, query_string.c_str ()); |
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626 |
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627 perform (); |
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628 } |
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629 |
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630 void http_action (const Array<std::string>& param, const std::string& action) |
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631 { |
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632 if (action.empty () || action == "get") |
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633 http_get (param); |
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634 else if (action == "post") |
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635 http_post (param); |
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636 else |
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637 { |
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638 ok = false; |
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639 errmsg = "curl_transfer: unknown http action"; |
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640 } |
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641 } |
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|
642 |
17555
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|
643 private: |
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|
644 |
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|
645 CURL *curl; |
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|
646 CURLcode errnum; |
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|
647 |
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|
648 // No copying! |
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|
649 |
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|
650 curl_transfer (const curl_transfer&); |
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|
651 |
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652 curl_transfer& operator = (const curl_transfer&); |
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|
653 |
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654 void init (const std::string& user, const std::string& passwd, |
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655 std::istream& is, std::ostream& os) |
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|
656 { |
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657 // No data transfer by default |
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|
658 SETOPT (CURLOPT_NOBODY, 1); |
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|
659 |
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660 // Set the username and password |
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661 std::string userpwd = user; |
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662 if (! passwd.empty ()) |
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663 userpwd += ":" + passwd; |
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|
664 if (! userpwd.empty ()) |
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665 SETOPT (CURLOPT_USERPWD, userpwd.c_str ()); |
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|
666 |
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|
667 // Define our callback to get called when there's data to be written. |
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668 SETOPT (CURLOPT_WRITEFUNCTION, write_data); |
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|
669 |
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|
670 // Set a pointer to our struct to pass to the callback. |
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671 SETOPT (CURLOPT_WRITEDATA, static_cast<void*> (&os)); |
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|
672 |
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|
673 // Define our callback to get called when there's data to be read |
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674 SETOPT (CURLOPT_READFUNCTION, read_data); |
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|
675 |
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|
676 // Set a pointer to our struct to pass to the callback. |
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677 SETOPT (CURLOPT_READDATA, static_cast<void*> (&is)); |
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|
678 |
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|
679 // Follow redirects. |
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|
680 SETOPT (CURLOPT_FOLLOWLOCATION, true); |
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diff
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|
681 |
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|
682 // Don't use EPSV since connecting to sites that don't support it |
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683 // will hang for some time (3 minutes?) before moving on to try PASV |
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684 // instead. |
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|
685 SETOPT (CURLOPT_FTP_USE_EPSV, false); |
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diff
changeset
|
686 |
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|
687 SETOPT (CURLOPT_NOPROGRESS, true); |
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688 SETOPT (CURLOPT_FAILONERROR, true); |
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|
689 |
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|
690 SETOPT (CURLOPT_POSTQUOTE, 0); |
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691 SETOPT (CURLOPT_QUOTE, 0); |
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|
692 } |
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|
693 |
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|
694 std::string form_query_string (const Array<std::string>& param) |
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|
695 { |
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|
696 std::ostringstream query; |
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|
697 |
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|
698 for (int i = 0; i < param.numel (); i += 2) |
0946b0e06544
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|
699 { |
0946b0e06544
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changeset
|
700 std::string name = param(i); |
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changeset
|
701 std::string text = param(i+1); |
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changeset
|
702 |
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changeset
|
703 // Encode strings. |
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diff
changeset
|
704 char *enc_name = curl_easy_escape (curl, name.c_str (), |
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parents:
diff
changeset
|
705 name.length ()); |
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move url_transfer classes to liboctave
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diff
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|
706 char *enc_text = curl_easy_escape (curl, text.c_str (), |
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parents:
diff
changeset
|
707 text.length ()); |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
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diff
changeset
|
708 |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
709 query << enc_name << "=" << enc_text; |
0946b0e06544
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parents:
diff
changeset
|
710 |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
711 curl_free (enc_name); |
0946b0e06544
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diff
changeset
|
712 curl_free (enc_text); |
0946b0e06544
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parents:
diff
changeset
|
713 |
0946b0e06544
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
714 if (i < param.numel ()-1) |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
715 query << "&"; |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
716 } |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
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diff
changeset
|
717 |
0946b0e06544
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parents:
diff
changeset
|
718 query.flush (); |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
719 |
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parents:
diff
changeset
|
720 return query.str (); |
0946b0e06544
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parents:
diff
changeset
|
721 } |
17595
4b65355a31f2
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John W. Eaton <jwe@octave.org>
parents:
17563
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|
722 |
4b65355a31f2
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17563
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|
723 void ftp_file_or_dir_action (const std::string& file_or_dir, |
4b65355a31f2
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|
724 const std::string& action) |
4b65355a31f2
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17563
diff
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|
725 { |
4b65355a31f2
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17563
diff
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|
726 struct curl_slist *slist = 0; |
4b65355a31f2
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parents:
17563
diff
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|
727 |
4b65355a31f2
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17563
diff
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|
728 unwind_protect frame; |
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parents:
17563
diff
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|
729 |
4b65355a31f2
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parents:
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diff
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|
730 frame.add_fcn (curl_slist_free_all, slist); |
4b65355a31f2
avoid some code duplication in url-transfer ftp methods
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parents:
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|
731 |
4b65355a31f2
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|
732 std::string cmd = action + " " + file_or_dir; |
4b65355a31f2
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parents:
17563
diff
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|
733 |
4b65355a31f2
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parents:
17563
diff
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|
734 slist = curl_slist_append (slist, cmd.c_str ()); |
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John W. Eaton <jwe@octave.org>
parents:
17563
diff
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|
735 |
4b65355a31f2
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John W. Eaton <jwe@octave.org>
parents:
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|
736 SETOPT (CURLOPT_POSTQUOTE, slist); |
4b65355a31f2
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parents:
17563
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|
737 |
4b65355a31f2
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parents:
17563
diff
changeset
|
738 perform (); |
4b65355a31f2
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17563
diff
changeset
|
739 |
4b65355a31f2
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parents:
17563
diff
changeset
|
740 if (! good ()) |
4b65355a31f2
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parents:
17563
diff
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|
741 return; |
4b65355a31f2
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parents:
17563
diff
changeset
|
742 |
4b65355a31f2
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parents:
17563
diff
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|
743 SETOPT (CURLOPT_POSTQUOTE, 0); |
4b65355a31f2
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John W. Eaton <jwe@octave.org>
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17563
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|
744 } |
17555
0946b0e06544
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parents:
diff
changeset
|
745 }; |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
746 |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
747 #undef SETOPT |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
748 |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
749 #else |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
750 |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
751 static void |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
752 disabled_error (void) |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
753 { |
17563
d7ca186396d4
Fix compilation error when building without curl
Mike Miller <mtmiller@ieee.org>
parents:
17557
diff
changeset
|
754 (*current_liboctave_error_handler) |
d7ca186396d4
Fix compilation error when building without curl
Mike Miller <mtmiller@ieee.org>
parents:
17557
diff
changeset
|
755 ("support for url transfers was disabled when Octave was built"); |
17555
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
756 } |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
757 |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
758 #endif |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
759 |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
760 #if defined (HAVE_CURL) |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
761 # define REP_CLASS curl_transfer |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
762 #else |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
763 # define REP_CLASS base_url_transfer |
0946b0e06544
move url_transfer classes to liboctave
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parents:
diff
changeset
|
764 #endif |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
765 |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
766 url_transfer::url_transfer (void) : rep (new REP_CLASS ()) |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
767 { |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
768 #if !defined (HAVE_CURL) |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
769 disabled_error (); |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
770 #endif |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
771 } |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
772 |
0946b0e06544
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parents:
diff
changeset
|
773 url_transfer::url_transfer (const std::string& host, const std::string& user, |
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parents:
diff
changeset
|
774 const std::string& passwd, std::ostream& os) |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
775 : rep (new REP_CLASS (host, user, passwd, os)) |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
776 { |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
777 #if !defined (HAVE_CURL) |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
778 disabled_error (); |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
779 #endif |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
780 } |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
781 |
17596
43b9181340fb
separate object creation from http actions in url_transfer class
John W. Eaton <jwe@octave.org>
parents:
17595
diff
changeset
|
782 url_transfer::url_transfer (const std::string& url, std::ostream& os) |
43b9181340fb
separate object creation from http actions in url_transfer class
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parents:
17595
diff
changeset
|
783 : rep (new REP_CLASS (url, os)) |
17555
0946b0e06544
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parents:
diff
changeset
|
784 { |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
785 #if !defined (HAVE_CURL) |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
786 disabled_error (); |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
787 #endif |
0946b0e06544
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
788 } |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
789 |
0946b0e06544
move url_transfer classes to liboctave
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
790 #undef REP_CLASS |