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1 /* |
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2 * Copyright 2007 Intel Corporation |
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3 * |
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4 * Licensed under the Apache License, Version 2.0 (the "License"); |
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5 * you may not use this file except in compliance with the License. |
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6 * You may obtain a copy of the License at |
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7 * |
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8 * http://www.apache.org/licenses/LICENSE-2.0 |
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9 * |
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10 * Unless required by applicable law or agreed to in writing, software |
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11 * distributed under the License is distributed on an "AS IS" BASIS, |
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12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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13 * See the License for the specific language governing permissions and |
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14 * limitations under the License. |
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15 */ |
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16 |
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17 #ifdef HAVE_CONFIG_H |
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18 #include <dtn-config.h> |
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19 #endif |
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20 |
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21 #include <oasys/thread/Atomic.h> |
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22 |
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23 #include "Session.h" |
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24 |
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25 namespace dtn { |
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26 |
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27 //---------------------------------------------------------------------- |
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28 Session::Session(const EndpointID& eid) |
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29 : Logger("Session", "/dtn/session"), |
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30 eid_(eid), |
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31 bundles_(std::string("session-") + eid.str()), |
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32 resubscribe_timer_(NULL) |
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33 { |
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34 static oasys::atomic_t next_session_id = 0; |
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35 id_ = oasys::atomic_incr_ret(&next_session_id); |
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36 |
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37 logpath_appendf("/%d", id_); |
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38 log_info("created new session %u for eid %s", id_, eid.c_str()); |
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39 } |
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40 |
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41 //---------------------------------------------------------------------- |
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42 Session::~Session() |
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43 { |
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44 } |
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45 |
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46 //---------------------------------------------------------------------- |
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47 int |
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48 Session::format(char* buf, size_t sz) const |
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49 { |
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50 return snprintf(buf, sz, "session id %u [%s]", id(), eid().c_str()); |
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51 } |
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52 |
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53 //---------------------------------------------------------------------- |
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54 const char* |
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55 Session::flag_str(u_int flags) |
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56 { |
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57 // XXX/demmer not really flags, but you know... |
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58 switch (flags) { |
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59 case 0: return "Session::NONE"; |
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60 case SUBSCRIBE: return "Session::SUBSCRIBE"; |
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61 case RESUBSCRIBE: return "Session::RESUBSCRIBE"; |
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62 case UNSUBSCRIBE: return "Session::UNSUBSCRIBE"; |
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63 case PUBLISH: return "Session::PUBLISH"; |
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64 case CUSTODY: return "Session::CUSTODY"; |
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65 default: { |
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66 static char buf[256]; |
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67 snprintf(buf, sizeof(buf), "Session::UNKNOWN(0x%x)", flags); |
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68 return buf; |
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69 } |
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70 } |
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71 } |
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72 |
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73 //---------------------------------------------------------------------- |
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74 void |
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75 Session::set_upstream(const Subscriber& upstream) |
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76 { |
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77 upstream_ = upstream; |
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78 log_info("set_upstream(*%p)", &upstream_); |
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79 |
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80 add_subscriber(upstream); |
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81 } |
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82 |
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83 //---------------------------------------------------------------------- |
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84 void |
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85 Session::add_subscriber(const Subscriber& subscriber) |
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86 { |
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87 if (std::find(subscribers_.begin(), subscribers_.end(), subscriber) != |
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88 subscribers_.end()) |
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89 { |
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90 log_info("add_subscriber(*%p): already subscribed", |
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91 &subscriber); |
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92 return; |
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93 } |
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94 |
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95 subscribers_.push_back(subscriber); |
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96 log_info("add_subscriber(*%p)", &subscriber); |
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97 } |
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98 |
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99 } // namespace dtn |