1 // ANNA - Anna is Not Nothingness Anymore
3 // (c) Copyright 2005-2014 Eduardo Ramos Testillano & Francisco Ruiz Rayo
5 // http://redmine.teslayout.com/projects/anna-suite
7 // Redistribution and use in source and binary forms, with or without
8 // modification, are permitted provided that the following conditions
11 // * Redistributions of source code must retain the above copyright
12 // notice, this list of conditions and the following disclaimer.
13 // * Redistributions in binary form must reproduce the above
14 // copyright notice, this list of conditions and the following disclaimer
15 // in the documentation and/or other materials provided with the
17 // * Neither the name of the copyright holder nor the names of its
18 // contributors may be used to endorse or promote products derived from
19 // this software without specific prior written permission.
21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 // Authors: eduardo.ramos.testillano@gmail.com
34 // cisco.tierra@gmail.com
39 #include <anna/core/tracing/Logger.hpp>
40 #include <anna/core/tracing/TraceMethod.hpp>
42 #include <anna/xml/Node.hpp>
43 #include <anna/xml/Attribute.hpp>
45 #include <anna/app/functions.hpp>
47 #include <anna/comm/Network.hpp>
48 #include <anna/comm/Host.hpp>
49 #include <anna/comm/Server.hpp>
51 #include <anna/comm/Communicator.hpp>
52 #include <anna/comm/IndexedDelivery.hpp>
53 #include <anna/comm/functions.hpp>
58 void comm::IndexedDelivery::prepare(const int key)
59 throw(RuntimeException) {
60 const int size = comm::Delivery::size();
63 string msg(asString());
64 msg += " | No resource has been attached";
65 throw RuntimeException(msg, ANNA_FILE_LOCATION);
68 const int index = key % size;
70 a_iikey = begin() + index;
73 string msg("anna::comm::IndexedDelivery::prepare | Key: ");
74 msg += functions::asString(key);
76 msg += resource(a_iikey)->asString();
77 Logger::debug(msg, ANNA_FILE_LOCATION);
81 comm::Resource* comm::IndexedDelivery::do_apply()
82 throw(RuntimeException) {
83 comm::Resource* result = NULL;
85 if(a_iikey == comm::Delivery::end())
88 comm::Resource* w = result = comm::Delivery::resource(a_iikey);
90 if(w->isAvailable() == false || w->isEnabled() == false) {
92 string msg(asString());
95 msg += " | Unavailable";
96 Logger::warning(msg, ANNA_FILE_LOCATION);
101 if(a_mode == Mode::Flexible) {
106 if((ii = a_iikey + 1) == comm::Delivery::end())
107 ii = comm::Delivery::begin();
110 w = comm::Delivery::resource(ii);
112 if(w->isAvailable() == true && w->isEnabled() == true) {
119 if(ii == comm::Delivery::end())
120 ii = comm::Delivery::begin();
127 string comm::IndexedDelivery::asString() const
129 string result = className();
131 result += comm::Delivery::asString();
132 result += " | Mode: ";
133 result += (a_mode == Mode::Strict) ? "Strict" : "Flexible";
134 return result += " }";
137 xml::Node* comm::IndexedDelivery::asXML(xml::Node* parent) const
139 xml::Node* node = parent->createChild("comm.IndexedDelivery");
140 node->createAttribute("Mode", (a_mode == Mode::Strict) ? "Strict" : "Flexible");
141 comm::Service::asXML(node);