snapraid/cov/cmdline/pool.c.gcov.html
Andrea Mazzoleni e01ca1e0fa Auto update
2016-11-21 19:48:21 +01:00

338 lines
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<td width="35%" class="headerValue"><a href="../index.html">top level</a> - <a href="index.html">cmdline</a> - pool.c<span style="font-size: 80%;"> (source / <a href="pool.c.func.html">functions</a>)</span></td>
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<td width="10%" class="headerCovTableHead">Hit</td>
<td width="10%" class="headerCovTableHead">Total</td>
<td width="15%" class="headerCovTableHead">Coverage</td>
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<td class="headerItem">Test:</td>
<td class="headerValue">lcov.info</td>
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<td class="headerItem">Lines:</td>
<td class="headerCovTableEntry">64</td>
<td class="headerCovTableEntry">68</td>
<td class="headerCovTableEntryHi">94.1 %</td>
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<td class="headerItem">Date:</td>
<td class="headerValue">2016-11-21</td>
<td></td>
<td class="headerItem">Functions:</td>
<td class="headerCovTableEntry">3</td>
<td class="headerCovTableEntry">3</td>
<td class="headerCovTableEntryHi">100.0 %</td>
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<pre class="sourceHeading"> Line data Source code</pre>
<pre class="source">
<a name="1"><span class="lineNum"> 1 </span> : /*</a>
<span class="lineNum"> 2 </span> : * Copyright (C) 2013 Andrea Mazzoleni
<span class="lineNum"> 3 </span> : *
<span class="lineNum"> 4 </span> : * This program is free software: you can redistribute it and/or modify
<span class="lineNum"> 5 </span> : * it under the terms of the GNU General Public License as published by
<span class="lineNum"> 6 </span> : * the Free Software Foundation, either version 3 of the License, or
<span class="lineNum"> 7 </span> : * (at your option) any later version.
<span class="lineNum"> 8 </span> : *
<span class="lineNum"> 9 </span> : * This program is distributed in the hope that it will be useful,
<span class="lineNum"> 10 </span> : * but WITHOUT ANY WARRANTY; without even the implied warranty of
<span class="lineNum"> 11 </span> : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
<span class="lineNum"> 12 </span> : * GNU General Public License for more details.
<span class="lineNum"> 13 </span> : *
<span class="lineNum"> 14 </span> : * You should have received a copy of the GNU General Public License
<span class="lineNum"> 15 </span> : * along with this program. If not, see &lt;http://www.gnu.org/licenses/&gt;.
<span class="lineNum"> 16 </span> : */
<span class="lineNum"> 17 </span> :
<span class="lineNum"> 18 </span> : #include &quot;portable.h&quot;
<span class="lineNum"> 19 </span> :
<span class="lineNum"> 20 </span> : #include &quot;support.h&quot;
<span class="lineNum"> 21 </span> : #include &quot;elem.h&quot;
<span class="lineNum"> 22 </span> : #include &quot;state.h&quot;
<span class="lineNum"> 23 </span> :
<span class="lineNum"> 24 </span> : /**
<span class="lineNum"> 25 </span> : * Clean a directory tree removing all the symlinks and empty directories.
<a name="26"><span class="lineNum"> 26 </span> : * Return == 0 if the directory is empty, and it can be removed</a>
<span class="lineNum"> 27 </span> : */
<span class="lineNum"> 28 </span><span class="lineCov"> 5 : static int clean_dir(struct snapraid_state* state, const char* dir)</span>
<span class="lineNum"> 29 </span> : {
<span class="lineNum"> 30 </span> : DIR* d;
<span class="lineNum"> 31 </span><span class="lineCov"> 5 : int ignored = 0;</span>
<span class="lineNum"> 32 </span> :
<span class="lineNum"> 33 </span><span class="lineCov"> 5 : d = opendir(dir);</span>
<span class="lineNum"> 34 </span><span class="lineCov"> 5 : if (!d) {</span>
<span class="lineNum"> 35 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 36 </span> : log_fatal(&quot;Error opening pool directory '%s'. %s.\n&quot;, dir, strerror(errno));
<span class="lineNum"> 37 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 38 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 39 </span> : }
<span class="lineNum"> 40 </span> :
<span class="lineNum"> 41 </span> : while (1) {
<span class="lineNum"> 42 </span> : char path_next[PATH_MAX];
<span class="lineNum"> 43 </span> : struct stat st;
<span class="lineNum"> 44 </span> : const char* name;
<span class="lineNum"> 45 </span> : struct dirent* dd;
<span class="lineNum"> 46 </span> :
<span class="lineNum"> 47 </span> : /* clear errno to detect erroneous conditions */
<span class="lineNum"> 48 </span><span class="lineCov"> 5768 : errno = 0;</span>
<span class="lineNum"> 49 </span><span class="lineCov"> 5768 : dd = readdir(d);</span>
<span class="lineNum"> 50 </span><span class="lineCov"> 5768 : if (dd == 0 &amp;&amp; errno != 0) {</span>
<span class="lineNum"> 51 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 52 </span> : log_fatal(&quot;Error reading pool directory '%s'. %s.\n&quot;, dir, strerror(errno));
<span class="lineNum"> 53 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 54 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 55 </span> : }
<span class="lineNum"> 56 </span><span class="lineCov"> 5768 : if (dd == 0 &amp;&amp; errno == 0) {</span>
<span class="lineNum"> 57 </span><span class="lineCov"> 5 : break; /* finished */</span>
<span class="lineNum"> 58 </span> : }
<span class="lineNum"> 59 </span> :
<span class="lineNum"> 60 </span> : /* skip &quot;.&quot; and &quot;..&quot; files */
<span class="lineNum"> 61 </span><span class="lineCov"> 5763 : name = dd-&gt;d_name;</span>
<span class="lineNum"> 62 </span><span class="lineCov"> 5763 : if (name[0] == '.' &amp;&amp; (name[1] == 0 || (name[1] == '.' &amp;&amp; name[2] == 0)))</span>
<span class="lineNum"> 63 </span><span class="lineCov"> 10 : continue;</span>
<span class="lineNum"> 64 </span> :
<span class="lineNum"> 65 </span><span class="lineCov"> 5753 : pathprint(path_next, sizeof(path_next), &quot;%s%s&quot;, dir, name);</span>
<span class="lineNum"> 66 </span> :
<span class="lineNum"> 67 </span> : #if HAVE_STRUCT_DIRENT_D_STAT
<span class="lineNum"> 68 </span> : /* convert dirent to lstat result */
<span class="lineNum"> 69 </span> : dirent_lstat(dd, &amp;st);
<span class="lineNum"> 70 </span> :
<span class="lineNum"> 71 </span> : /* if the st_mode field is missing, takes care to fill it using normal lstat() */
<span class="lineNum"> 72 </span> : /* at now this can happen only in Windows */
<span class="lineNum"> 73 </span> : if (st.st_mode == 0) {
<span class="lineNum"> 74 </span> : if (lstat(path_next, &amp;st) != 0) {
<span class="lineNum"> 75 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 76 </span> : log_fatal(&quot;Error in stat file/directory '%s'. %s.\n&quot;, path_next, strerror(errno));
<span class="lineNum"> 77 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 78 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 79 </span> : }
<span class="lineNum"> 80 </span> : }
<span class="lineNum"> 81 </span> : #else
<span class="lineNum"> 82 </span> : /* get lstat info about the file */
<span class="lineNum"> 83 </span><span class="lineCov"> 5753 : if (lstat(path_next, &amp;st) != 0) {</span>
<span class="lineNum"> 84 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 85 </span> : log_fatal(&quot;Error in stat file/directory '%s'. %s.\n&quot;, path_next, strerror(errno));
<span class="lineNum"> 86 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 87 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 88 </span> : }
<span class="lineNum"> 89 </span> : #endif
<span class="lineNum"> 90 </span> :
<span class="lineNum"> 91 </span><span class="lineCov"> 5753 : if (S_ISLNK(st.st_mode)) {</span>
<span class="lineNum"> 92 </span> : int ret;
<span class="lineNum"> 93 </span> :
<span class="lineNum"> 94 </span> : /* delete the link */
<span class="lineNum"> 95 </span><span class="lineCov"> 5751 : ret = remove(path_next);</span>
<span class="lineNum"> 96 </span><span class="lineCov"> 5751 : if (ret &lt; 0) {</span>
<span class="lineNum"> 97 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 98 </span> : log_fatal(&quot;Error removing symlink '%s'. %s.\n&quot;, path_next, strerror(errno));
<span class="lineNum"> 99 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 100 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 101 </span> : }
<span class="lineNum"> 102 </span><span class="lineCov"> 2 : } else if (S_ISDIR(st.st_mode)) {</span>
<span class="lineNum"> 103 </span> : /* recurse */
<span class="lineNum"> 104 </span><span class="lineCov"> 2 : pathslash(path_next, sizeof(path_next));</span>
<span class="lineNum"> 105 </span><span class="lineCov"> 2 : if (clean_dir(state, path_next) == 0) {</span>
<span class="lineNum"> 106 </span> : int ret;
<span class="lineNum"> 107 </span> :
<span class="lineNum"> 108 </span> : /* directory is empty, try to remove it */
<span class="lineNum"> 109 </span><span class="lineCov"> 2 : ret = rmdir(path_next);</span>
<span class="lineNum"> 110 </span><span class="lineCov"> 2 : if (ret &lt; 0) {</span>
<span class="lineNum"> 111 </span> : #ifdef _WIN32
<span class="lineNum"> 112 </span> : if (errno == EACCES) {
<span class="lineNum"> 113 </span> : /* in Windows just ignore EACCES errors removing directories */
<span class="lineNum"> 114 </span> : /* because it could happen that the directory is in use */
<span class="lineNum"> 115 </span> : /* and it cannot be removed */
<span class="lineNum"> 116 </span> : log_fatal(&quot;Directory '%s' not removed because it's in use.\n&quot;, path_next);
<span class="lineNum"> 117 </span> : ignored = 1;
<span class="lineNum"> 118 </span> : } else
<span class="lineNum"> 119 </span> : #endif
<span class="lineNum"> 120 </span> : {
<span class="lineNum"> 121 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 122 </span> : log_fatal(&quot;Error removing pool directory '%s'. %s.\n&quot;, path_next, strerror(errno));
<span class="lineNum"> 123 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 124 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 125 </span> : }
<span class="lineNum"> 126 </span> : }
<span class="lineNum"> 127 </span> : } else {
<span class="lineNum"> 128 </span> : /* something was ignored inside the subdir */
<span class="lineNum"> 129 </span><span class="lineNoCov"> 0 : ignored = 1;</span>
<span class="lineNum"> 130 </span> : }
<span class="lineNum"> 131 </span> : } else {
<span class="lineNum"> 132 </span><span class="lineNoCov"> 0 : ignored = 1;</span>
<span class="lineNum"> 133 </span><span class="lineNoCov"> 0 : msg_verbose(&quot;Ignoring pool file '%s'\n&quot;, path_next);</span>
<span class="lineNum"> 134 </span> : }
<span class="lineNum"> 135 </span><span class="lineCov"> 5763 : }</span>
<span class="lineNum"> 136 </span> :
<span class="lineNum"> 137 </span><span class="lineCov"> 5 : if (closedir(d) != 0) {</span>
<span class="lineNum"> 138 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 139 </span> : log_fatal(&quot;Error closing pool directory '%s'. %s.\n&quot;, dir, strerror(errno));
<span class="lineNum"> 140 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 141 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 142 </span> : }
<span class="lineNum"> 143 </span> :
<span class="lineNum"> 144 </span><span class="lineCov"> 5 : return ignored;</span>
<span class="lineNum"> 145 </span> : }
<span class="lineNum"> 146 </span> :
<span class="lineNum"> 147 </span> : /**
<a name="148"><span class="lineNum"> 148 </span> : * Create a link to the specified disk entry.</a>
<span class="lineNum"> 149 </span> : */
<span class="lineNum"> 150 </span><span class="lineCov"> 17589 : static void make_link(const char* pool_dir, const char* share_dir, struct snapraid_disk* disk, const char* sub)</span>
<span class="lineNum"> 151 </span> : {
<span class="lineNum"> 152 </span> : char path[PATH_MAX];
<span class="lineNum"> 153 </span> : char linkto[PATH_MAX];
<span class="lineNum"> 154 </span> : char linkto_exported[PATH_MAX];
<span class="lineNum"> 155 </span> : int ret;
<span class="lineNum"> 156 </span> :
<span class="lineNum"> 157 </span> : /* make the source path */
<span class="lineNum"> 158 </span><span class="lineCov"> 17589 : pathprint(path, sizeof(path), &quot;%s%s&quot;, pool_dir, sub);</span>
<span class="lineNum"> 159 </span> :
<span class="lineNum"> 160 </span> : /* make the linkto path */
<span class="lineNum"> 161 </span><span class="lineCov"> 17589 : if (share_dir[0] != 0) {</span>
<span class="lineNum"> 162 </span> : /* with a shared directory, use it */
<span class="lineNum"> 163 </span><span class="lineCov"> 17589 : pathprint(linkto, sizeof(linkto), &quot;%s%s/%s&quot;, share_dir, disk-&gt;name, sub);</span>
<span class="lineNum"> 164 </span> : } else {
<span class="lineNum"> 165 </span> : /* without a share directory, use the local disk paths */
<span class="lineNum"> 166 </span><span class="lineNoCov"> 0 : pathprint(linkto, sizeof(linkto), &quot;%s%s&quot;, disk-&gt;dir, sub);</span>
<span class="lineNum"> 167 </span> : }
<span class="lineNum"> 168 </span> :
<span class="lineNum"> 169 </span> : /* create the ancestor directories */
<span class="lineNum"> 170 </span><span class="lineCov"> 17589 : ret = mkancestor(path);</span>
<span class="lineNum"> 171 </span><span class="lineCov"> 17589 : if (ret != 0) {</span>
<span class="lineNum"> 172 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 173 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 174 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 175 </span> : }
<span class="lineNum"> 176 </span> :
<span class="lineNum"> 177 </span> : /* convert back slashes */
<span class="lineNum"> 178 </span><span class="lineCov"> 17589 : pathexport(linkto_exported, sizeof(linkto_exported), linkto);</span>
<span class="lineNum"> 179 </span> :
<span class="lineNum"> 180 </span> : /* create the symlink */
<span class="lineNum"> 181 </span><span class="lineCov"> 17589 : ret = symlink(linkto_exported, path);</span>
<span class="lineNum"> 182 </span><span class="lineCov"> 17589 : if (ret != 0) {</span>
<span class="lineNum"> 183 </span><span class="lineCov"> 521 : if (errno == EEXIST) {</span>
<span class="lineNum"> 184 </span><span class="lineCov"> 521 : log_fatal(&quot;WARNING! Duplicate pooling for '%s'\n&quot;, path);</span>
<span class="lineNum"> 185 </span> : #ifdef _WIN32
<span class="lineNum"> 186 </span> : } else if (errno == EPERM) {
<span class="lineNum"> 187 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 188 </span> : log_fatal(&quot;You must run as Adminstrator to be able to create symlinks.\n&quot;);
<span class="lineNum"> 189 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 190 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 191 </span> : #endif
<span class="lineNum"> 192 </span> : } else {
<span class="lineNum"> 193 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 194 </span> : log_fatal(&quot;Error writing symlink '%s'. %s.\n&quot;, path, strerror(errno));
<span class="lineNum"> 195 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 196 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 197 </span> : }
<span class="lineNum"> 198 </span> : }
<a name="199"><span class="lineNum"> 199 </span><span class="lineCov"> 17589 : }</span></a>
<span class="lineNum"> 200 </span> :
<span class="lineNum"> 201 </span><span class="lineCov"> 3 : void state_pool(struct snapraid_state* state)</span>
<span class="lineNum"> 202 </span> : {
<span class="lineNum"> 203 </span> : tommy_node* i;
<span class="lineNum"> 204 </span> : char pool_dir[PATH_MAX];
<span class="lineNum"> 205 </span> : char share_dir[PATH_MAX];
<span class="lineNum"> 206 </span> : unsigned count;
<span class="lineNum"> 207 </span> :
<span class="lineNum"> 208 </span><span class="lineCov"> 3 : if (state-&gt;pool[0] == 0) {</span>
<span class="lineNum"> 209 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 210 </span> : log_fatal(&quot;To use the 'pool' command you must set the pool directory in the configuration file\n&quot;);
<span class="lineNum"> 211 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 212 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 213 </span> : }
<span class="lineNum"> 214 </span> :
<span class="lineNum"> 215 </span><span class="lineCov"> 3 : msg_progress(&quot;Cleaning...\n&quot;);</span>
<span class="lineNum"> 216 </span> :
<span class="lineNum"> 217 </span> : /* pool directory with final slash */
<span class="lineNum"> 218 </span><span class="lineCov"> 3 : pathprint(pool_dir, sizeof(pool_dir), &quot;%s&quot;, state-&gt;pool);</span>
<span class="lineNum"> 219 </span><span class="lineCov"> 3 : pathslash(pool_dir, sizeof(pool_dir));</span>
<span class="lineNum"> 220 </span> :
<span class="lineNum"> 221 </span> : /* share directory with final slash */
<span class="lineNum"> 222 </span><span class="lineCov"> 3 : pathprint(share_dir, sizeof(share_dir), &quot;%s&quot;, state-&gt;share);</span>
<span class="lineNum"> 223 </span><span class="lineCov"> 3 : pathslash(share_dir, sizeof(share_dir));</span>
<span class="lineNum"> 224 </span> :
<span class="lineNum"> 225 </span> : /* first clear the previous pool tree */
<span class="lineNum"> 226 </span><span class="lineCov"> 3 : clean_dir(state, pool_dir);</span>
<span class="lineNum"> 227 </span> :
<span class="lineNum"> 228 </span><span class="lineCov"> 3 : msg_progress(&quot;Pooling...\n&quot;);</span>
<span class="lineNum"> 229 </span> :
<span class="lineNum"> 230 </span> : /* for each disk */
<span class="lineNum"> 231 </span><span class="lineCov"> 3 : count = 0;</span>
<span class="lineNum"> 232 </span><span class="lineCov"> 21 : for (i = state-&gt;disklist; i != 0; i = i-&gt;next) {</span>
<span class="lineNum"> 233 </span> : tommy_node* j;
<span class="lineNum"> 234 </span><span class="lineCov"> 18 : struct snapraid_disk* disk = i-&gt;data;</span>
<span class="lineNum"> 235 </span> :
<span class="lineNum"> 236 </span> : /* for each file */
<span class="lineNum"> 237 </span><span class="lineCov"> 17018 : for (j = disk-&gt;filelist; j != 0; j = j-&gt;next) {</span>
<span class="lineNum"> 238 </span><span class="lineCov"> 17000 : struct snapraid_file* file = j-&gt;data;</span>
<span class="lineNum"> 239 </span><span class="lineCov"> 17000 : make_link(pool_dir, share_dir, disk, file-&gt;sub);</span>
<span class="lineNum"> 240 </span><span class="lineCov"> 17000 : ++count;</span>
<span class="lineNum"> 241 </span> : }
<span class="lineNum"> 242 </span> :
<span class="lineNum"> 243 </span> : /* for each link */
<span class="lineNum"> 244 </span><span class="lineCov"> 607 : for (j = disk-&gt;linklist; j != 0; j = j-&gt;next) {</span>
<span class="lineNum"> 245 </span><span class="lineCov"> 589 : struct snapraid_link* slink = j-&gt;data;</span>
<span class="lineNum"> 246 </span><span class="lineCov"> 589 : make_link(pool_dir, share_dir, disk, slink-&gt;sub);</span>
<span class="lineNum"> 247 </span><span class="lineCov"> 589 : ++count;</span>
<span class="lineNum"> 248 </span> : }
<span class="lineNum"> 249 </span> :
<span class="lineNum"> 250 </span> : /* we ignore empty dirs in disk-&gt;dir */
<span class="lineNum"> 251 </span> : }
<span class="lineNum"> 252 </span> :
<span class="lineNum"> 253 </span><span class="lineCov"> 3 : if (count)</span>
<span class="lineNum"> 254 </span><span class="lineCov"> 2 : msg_status(&quot;%u links created\n&quot;, count);</span>
<span class="lineNum"> 255 </span> : else
<span class="lineNum"> 256 </span><span class="lineCov"> 1 : msg_status(&quot;No link created\n&quot;);</span>
<span class="lineNum"> 257 </span> :
<span class="lineNum"> 258 </span><span class="lineCov"> 3 : log_tag(&quot;summary:link_count::%u\n&quot;, count);</span>
<span class="lineNum"> 259 </span><span class="lineCov"> 3 : log_tag(&quot;summary:exit:ok\n&quot;);</span>
<span class="lineNum"> 260 </span><span class="lineCov"> 3 : log_flush();</span>
<span class="lineNum"> 261 </span><span class="lineCov"> 3 : }</span>
<span class="lineNum"> 262 </span> :
</pre>
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