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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/2110/">https://reviewboard.asterisk.org/r/2110/</a>
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<p style="margin-top: 0;">On November 15th, 2012, 3:01 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2110/diff/2/?file=31697#file31697line1116" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/main/astobj2.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int internal_ao2_link(struct ao2_container *self, void *obj_new, int flags, const char *tag, const char *file, int line, const char *func)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm">                                         * </span><span class="cs">XXX</span><span class="cm"> chan_iax2 plays games with the hash function so we cannot</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm">                                         * routinely do an integrity check on this type of container.</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm">                                         * chan_iax2 should be changed to not abuse the hash function.</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I recommend adding a comment inside chan_iax2 to the specific places where the hash function is abused that explains why the use is bad and possibly suggests fixes.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Added a comment to chan_iax2.</pre>
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<p style="margin-top: 0;">On November 15th, 2012, 3:01 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2110/diff/2/?file=31697#file31697line3648" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/main/astobj2.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void rb_rotate_right(struct ao2_container_rbtree *self, struct rbtree_node *node)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="k">static</span> <span class="k">enum</span> <span class="n">empty_node_direction</span> <span class="nf">rb_find_empty_direction</span><span class="p">(</span><span class="k">struct</span> <span class="n">rbtree_node</span> <span class="o">*</span><span class="n">empty</span><span class="p">,</span> <span class="n">ao2_sort_fn</span> <span class="o">*</span><span class="n">sort_fn</span><span class="p">,</span> <span class="kt">void</span> <span class="o">*</span><span class="n">obj_right</span><span class="p">,</span> <span class="k">enum</span> <span class="n">search_flags</span> <span class="n">flags</span><span class="p">)</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Can you explain why the object passed into this function is called obj_right? It seems like a misleading name since the direction "right" doesn't necessarily play into things.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">It is trying to indicate that the object is to be passed as the right object to the sort_fn. It is documented identically as the ao2_sort_fn. That object points to different things depending upon what the flags value indicates: OBJ_POINTER, OBJ_KEY, OBJ_PARTIAL_KEY.</pre>
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<p style="margin-top: 0;">On November 15th, 2012, 3:01 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2110/diff/2/?file=31697#file31697line3654" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/main/astobj2.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void rb_rotate_right(struct ao2_container_rbtree *self, struct rbtree_node *node)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="cm">/* Try for a quick definite go left. */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">empty</span><span class="o">-></span><span class="n">left</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                <span class="cm">/* The empty node has no left child. */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                <span class="k">return</span> <span class="n">GO_RIGHT</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="p">}</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">The comment above the if clashes with the return value.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">The first comment here is for the whole block of code. We want to go left. Since the node has no left child, we are forced to GO_RIGHT.</pre>
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<p style="margin-top: 0;">On November 15th, 2012, 3:01 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2110/diff/2/?file=31697#file31697line3668" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/main/astobj2.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void rb_rotate_right(struct ao2_container_rbtree *self, struct rbtree_node *node)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="cm">/* Try for a quick definite go right. */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">empty</span><span class="o">-></span><span class="n">right</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                <span class="cm">/* The empty node has no right child. */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                <span class="k">return</span> <span class="n">GO_LEFT</span><span class="p">;</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">The comment above the if statement clashes with the return.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Similar to previous.</pre>
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<p style="margin-top: 0;">On November 15th, 2012, 3:01 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2110/diff/2/?file=31697#file31697line5478" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/main/astobj2.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void rb_rotate_right(struct ao2_container_rbtree *self, struct rbtree_node *node)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="k">if</span> <span class="p">(</span><span class="n">prof_id</span> <span class="o">==</span> <span class="o">-</span><span class="mi">1</span><span class="p">)</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                <span class="n">prof_id</span> <span class="o">=</span> <span class="n">ast_add_profile</span><span class="p">(</span><span class="s">"ao2_alloc"</span><span class="p">,</span> <span class="mi">0</span><span class="p">);</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Braces, please.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Wasn't part of the change but done.</pre>
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<p style="margin-top: 0;">On November 15th, 2012, 3:01 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/2110/diff/2/?file=31700#file31700line457" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/tests/test_astobj2.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int astobj2_test_1_helper(int tst_num, enum test_container_type type, int use_sort, unsigned int lim, struct ast_test *test)</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="kt">int</span> <span class="n">n_buckets</span><span class="p">;</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="kt">int</span> <span class="n">n_buckets</span><span class="p">;</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I get a compile warning (gcc 4.4) on this line. "'n_buckets' may be used uninitialized in this function"
Personally, I don't see it. All possible values for test_container_type are handled in the switch statement, and each of those is guaranteed to set n_buckets to something.
I thought it was weird I was seeing it here but not in trunk. Turns out I was never compiling this file in trunk when I'd test-compile things. Sure enough, I get the same warning there, too.
So, while I think the compiler is full of it, you'll need to do something to get rid of the warning. I got around it by adding a default case to the switch and returning a test failure.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">The compiler is complaining because the value passed in as type may not have a defined enum value.
Matt already took care of this warning for me. :)</pre>
<br />
<p>- rmudgett</p>
<br />
<p>On October 2nd, 2012, 6:52 p.m., rmudgett wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By rmudgett.</div>
<p style="color: grey;"><i>Updated Oct. 2, 2012, 6:52 p.m.</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">* Add red-black tree container type.
* Add CLI command "astobj2 container dump <name>"
* Added ao2_container_dump() so the container could be dumped by other
modules for debugging purposes.
* Changed ao2_container_stats() so it can be used by other modules like
ao2_container_check() for debugging purposes.
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Updated the unit tests to check red-black tree containers.
Unit tests pass.</pre>
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<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="https://issues.asterisk.org/jira/browse/ASTERISK-19970">ASTERISK-19970</a>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/trunk/include/asterisk/astobj2.h <span style="color: grey">(374281)</span></li>
<li>/trunk/include/asterisk/test.h <span style="color: grey">(374281)</span></li>
<li>/trunk/main/astobj2.c <span style="color: grey">(374281)</span></li>
<li>/trunk/main/channel.c <span style="color: grey">(374281)</span></li>
<li>/trunk/main/test.c <span style="color: grey">(374281)</span></li>
<li>/trunk/tests/test_astobj2.c <span style="color: grey">(374281)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2110/diff/" style="margin-left: 3em;">View Diff</a></p>
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