Fixed dependencies of Control Plane to use external_lib sources

1 files changed, 440 insertions, 0 deletions

diff --git a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/mtrie.cpp b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/mtrie.cpp
new file mode 100644
index 00000000..8a838905
--- /dev/null
+++ b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/mtrie.cpp
@@ -0,0 +1,440 @@
+/*
+    Copyright (c) 2007-2015 Contributors as noted in the AUTHORS file
+
+    This file is part of libzmq, the ZeroMQ core engine in C++.
+
+    libzmq is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser General Public License (LGPL) as published
+    by the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    As a special exception, the Contributors give you permission to link
+    this library with independent modules to produce an executable,
+    regardless of the license terms of these independent modules, and to
+    copy and distribute the resulting executable under terms of your choice,
+    provided that you also meet, for each linked independent module, the
+    terms and conditions of the license of that module. An independent
+    module is a module which is not derived from or based on this library.
+    If you modify this library, you must extend this exception to your
+    version of the library.
+
+    libzmq is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+    License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdlib.h>
+
+#include <new>
+#include <algorithm>
+
+#include "platform.hpp"
+#if defined ZMQ_HAVE_WINDOWS
+#include "windows.hpp"
+#endif
+
+#include "err.hpp"
+#include "pipe.hpp"
+#include "mtrie.hpp"
+
+zmq::mtrie_t::mtrie_t () :
+    pipes (0),
+    min (0),
+    count (0),
+    live_nodes (0)
+{
+}
+
+zmq::mtrie_t::~mtrie_t ()
+{
+    if (pipes) {
+        delete pipes;
+        pipes = 0;
+    }
+
+    if (count == 1) {
+        zmq_assert (next.node);
+        delete next.node;
+        next.node = 0;
+    }
+    else
+    if (count > 1) {
+        for (unsigned short i = 0; i != count; ++i)
+            delete next.table [i];
+        free (next.table);
+    }
+}
+
+bool zmq::mtrie_t::add (unsigned char *prefix_, size_t size_, pipe_t *pipe_)
+{
+    return add_helper (prefix_, size_, pipe_);
+}
+
+bool zmq::mtrie_t::add_helper (unsigned char *prefix_, size_t size_,
+    pipe_t *pipe_)
+{
+    //  We are at the node corresponding to the prefix. We are done.
+    if (!size_) {
+        bool result = !pipes;
+        if (!pipes) {
+            pipes = new (std::nothrow) pipes_t;
+            alloc_assert (pipes);
+        }
+        pipes->insert (pipe_);
+        return result;
+    }
+
+    unsigned char c = *prefix_;
+    if (c < min || c >= min + count) {
+
+        //  The character is out of range of currently handled
+        //  charcters. We have to extend the table.
+        if (!count) {
+            min = c;
+            count = 1;
+            next.node = NULL;
+        }
+        else
+        if (count == 1) {
+            unsigned char oldc = min;
+            mtrie_t *oldp = next.node;
+            count = (min < c ? c - min : min - c) + 1;
+            next.table = (mtrie_t**)
+                malloc (sizeof (mtrie_t*) * count);
+            alloc_assert (next.table);
+            for (unsigned short i = 0; i != count; ++i)
+                next.table [i] = 0;
+            min = std::min (min, c);
+            next.table [oldc - min] = oldp;
+        }
+        else
+        if (min < c) {
+            //  The new character is above the current character range.
+            unsigned short old_count = count;
+            count = c - min + 1;
+            next.table = (mtrie_t**) realloc (next.table,
+                sizeof (mtrie_t*) * count);
+            alloc_assert (next.table);
+            for (unsigned short i = old_count; i != count; i++)
+                next.table [i] = NULL;
+        }
+        else {
+            //  The new character is below the current character range.
+            unsigned short old_count = count;
+            count = (min + old_count) - c;
+            next.table = (mtrie_t**) realloc (next.table,
+                sizeof (mtrie_t*) * count);
+            alloc_assert (next.table);
+            memmove (next.table + min - c, next.table,
+                old_count * sizeof (mtrie_t*));
+            for (unsigned short i = 0; i != min - c; i++)
+                next.table [i] = NULL;
+            min = c;
+        }
+    }
+
+    //  If next node does not exist, create one.
+    if (count == 1) {
+        if (!next.node) {
+            next.node = new (std::nothrow) mtrie_t;
+            alloc_assert (next.node);
+            ++live_nodes;
+        }
+        return next.node->add_helper (prefix_ + 1, size_ - 1, pipe_);
+    }
+    else {
+        if (!next.table [c - min]) {
+            next.table [c - min] = new (std::nothrow) mtrie_t;
+            alloc_assert (next.table [c - min]);
+            ++live_nodes;
+        }
+        return next.table [c - min]->add_helper (prefix_ + 1, size_ - 1, pipe_);
+    }
+}
+
+
+void zmq::mtrie_t::rm (pipe_t *pipe_,
+    void (*func_) (unsigned char *data_, size_t size_, void *arg_),
+    void *arg_)
+{
+    unsigned char *buff = NULL;
+    rm_helper (pipe_, &buff, 0, 0, func_, arg_);
+    free (buff);
+}
+
+void zmq::mtrie_t::rm_helper (pipe_t *pipe_, unsigned char **buff_,
+    size_t buffsize_, size_t maxbuffsize_,
+    void (*func_) (unsigned char *data_, size_t size_, void *arg_),
+    void *arg_)
+{
+    //  Remove the subscription from this node.
+    if (pipes && pipes->erase (pipe_) && pipes->empty ()) {
+        func_ (*buff_, buffsize_, arg_);
+        delete pipes;
+        pipes = 0;
+    }
+
+    //  Adjust the buffer.
+    if (buffsize_ >= maxbuffsize_) {
+        maxbuffsize_ = buffsize_ + 256;
+        *buff_ = (unsigned char*) realloc (*buff_, maxbuffsize_);
+        alloc_assert (*buff_);
+    }
+
+    //  If there are no subnodes in the trie, return.
+    if (count == 0)
+        return;
+
+    //  If there's one subnode (optimisation).
+    if (count == 1) {
+        (*buff_) [buffsize_] = min;
+        buffsize_++;
+        next.node->rm_helper (pipe_, buff_, buffsize_, maxbuffsize_,
+            func_, arg_);
+
+        //  Prune the node if it was made redundant by the removal
+        if (next.node->is_redundant ()) {
+            delete next.node;
+            next.node = 0;
+            count = 0;
+            --live_nodes;
+            zmq_assert (live_nodes == 0);
+        }
+        return;
+    }
+
+    //  If there are multiple subnodes.
+    //
+    //  New min non-null character in the node table after the removal
+    unsigned char new_min = min + count - 1;
+    //  New max non-null character in the node table after the removal
+    unsigned char new_max = min;
+    for (unsigned short c = 0; c != count; c++) {
+        (*buff_) [buffsize_] = min + c;
+        if (next.table [c]) {
+            next.table [c]->rm_helper (pipe_, buff_, buffsize_ + 1,
+                maxbuffsize_, func_, arg_);
+
+            //  Prune redundant nodes from the mtrie
+            if (next.table [c]->is_redundant ()) {
+                delete next.table [c];
+                next.table [c] = 0;
+
+                zmq_assert (live_nodes > 0);
+                --live_nodes;
+            }
+            else {
+                //  The node is not redundant, so it's a candidate for being
+                //  the new min/max node.
+                //
+                //  We loop through the node array from left to right, so the
+                //  first non-null, non-redundant node encountered is the new
+                //  minimum index. Conversely, the last non-redundant, non-null
+                //  node encountered is the new maximum index.
+                if (c + min < new_min)
+                    new_min = c + min;
+                if (c + min > new_max)
+                    new_max = c + min;
+            }
+        }
+    }
+
+    zmq_assert (count > 1);
+
+    //  Free the node table if it's no longer used.
+    if (live_nodes == 0) {
+        free (next.table);
+        next.table = NULL;
+        count = 0;
+    }
+    //  Compact the node table if possible
+    else
+    if (live_nodes == 1) {
+        //  If there's only one live node in the table we can
+        //  switch to using the more compact single-node
+        //  representation
+        zmq_assert (new_min == new_max);
+        zmq_assert (new_min >= min && new_min < min + count);
+        mtrie_t *node = next.table [new_min - min];
+        zmq_assert (node);
+        free (next.table);
+        next.node = node;
+        count = 1;
+        min = new_min;
+    }
+    else
+    if (new_min > min || new_max < min + count - 1) {
+        zmq_assert (new_max - new_min + 1 > 1);
+
+        mtrie_t **old_table = next.table;
+        zmq_assert (new_min > min || new_max < min + count - 1);
+        zmq_assert (new_min >= min);
+        zmq_assert (new_max <= min + count - 1);
+        zmq_assert (new_max - new_min + 1 < count);
+
+        count = new_max - new_min + 1;
+        next.table = (mtrie_t**) malloc (sizeof (mtrie_t*) * count);
+        alloc_assert (next.table);
+
+        memmove (next.table, old_table + (new_min - min),
+                 sizeof (mtrie_t*) * count);
+        free (old_table);
+
+        min = new_min;
+    }
+}
+
+bool zmq::mtrie_t::rm (unsigned char *prefix_, size_t size_, pipe_t *pipe_)
+{
+    return rm_helper (prefix_, size_, pipe_);
+}
+
+bool zmq::mtrie_t::rm_helper (unsigned char *prefix_, size_t size_,
+    pipe_t *pipe_)
+{
+    if (!size_) {
+        if (pipes) {
+            pipes_t::size_type erased = pipes->erase (pipe_);
+            zmq_assert (erased == 1);
+            if (pipes->empty ()) {
+                delete pipes;
+                pipes = 0;
+            }
+        }
+        return !pipes;
+    }
+
+    unsigned char c = *prefix_;
+    if (!count || c < min || c >= min + count)
+        return false;
+
+    mtrie_t *next_node =
+        count == 1 ? next.node : next.table [c - min];
+
+    if (!next_node)
+        return false;
+
+    bool ret = next_node->rm_helper (prefix_ + 1, size_ - 1, pipe_);
+
+    if (next_node->is_redundant ()) {
+        delete next_node;
+        zmq_assert (count > 0);
+
+        if (count == 1) {
+            next.node = 0;
+            count = 0;
+            --live_nodes;
+            zmq_assert (live_nodes == 0);
+        }
+        else {
+            next.table [c - min] = 0;
+            zmq_assert (live_nodes > 1);
+            --live_nodes;
+
+            //  Compact the table if possible
+            if (live_nodes == 1) {
+                //  If there's only one live node in the table we can
+                //  switch to using the more compact single-node
+                //  representation
+                unsigned short i;
+                for (i = 0; i < count; ++i)
+                    if (next.table [i])
+                        break;
+
+                zmq_assert (i < count);
+                min += i;
+                count = 1;
+                mtrie_t *oldp = next.table [i];
+                free (next.table);
+                next.node = oldp;
+            }
+            else
+            if (c == min) {
+                //  We can compact the table "from the left"
+                unsigned short i;
+                for (i = 1; i < count; ++i)
+                    if (next.table [i])
+                        break;
+
+                zmq_assert (i < count);
+                min += i;
+                count -= i;
+                mtrie_t **old_table = next.table;
+                next.table = (mtrie_t**) malloc (sizeof (mtrie_t*) * count);
+                alloc_assert (next.table);
+                memmove (next.table, old_table + i, sizeof (mtrie_t*) * count);
+                free (old_table);
+            }
+            else
+            if (c == min + count - 1) {
+                //  We can compact the table "from the right"
+                unsigned short i;
+                for (i = 1; i < count; ++i)
+                    if (next.table [count - 1 - i])
+                        break;
+
+                zmq_assert (i < count);
+                count -= i;
+                mtrie_t **old_table = next.table;
+                next.table = (mtrie_t**) malloc (sizeof (mtrie_t*) * count);
+                alloc_assert (next.table);
+                memmove (next.table, old_table, sizeof (mtrie_t*) * count);
+                free (old_table);
+            }
+        }
+    }
+
+    return ret;
+}
+
+void zmq::mtrie_t::match (unsigned char *data_, size_t size_,
+    void (*func_) (pipe_t *pipe_, void *arg_), void *arg_)
+{
+    mtrie_t *current = this;
+    while (true) {
+
+        //  Signal the pipes attached to this node.
+        if (current->pipes) {
+            for (pipes_t::iterator it = current->pipes->begin ();
+                  it != current->pipes->end (); ++it)
+                func_ (*it, arg_);
+        }
+
+        //  If we are at the end of the message, there's nothing more to match.
+        if (!size_)
+            break;
+
+        //  If there are no subnodes in the trie, return.
+        if (current->count == 0)
+            break;
+
+        //  If there's one subnode (optimisation).
+		if (current->count == 1) {
+            if (data_ [0] != current->min)
+                break;
+            current = current->next.node;
+            data_++;
+            size_--;
+		    continue;
+		}
+
+		//  If there are multiple subnodes.
+        if (data_ [0] < current->min || data_ [0] >=
+              current->min + current->count)
+            break;
+        if (!current->next.table [data_ [0] - current->min])
+            break;
+        current = current->next.table [data_ [0] - current->min];
+        data_++;
+        size_--;
+    }
+}
+
+bool zmq::mtrie_t::is_redundant () const
+{
+    return !pipes && live_nodes == 0;
+}