00001 /* 00002 * IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. By 00003 * downloading, copying, installing or using the software you agree to 00004 * this license. If you do not agree to this license, do not download, 00005 * install, copy or use the software. 00006 * 00007 * Intel Open Source License 00008 * 00009 * Copyright (c) 2004 Intel Corporation. All rights reserved. 00010 * 00011 * Redistribution and use in source and binary forms, with or without 00012 * modification, are permitted provided that the following conditions are 00013 * met: 00014 * 00015 * Redistributions of source code must retain the above copyright 00016 * notice, this list of conditions and the following disclaimer. 00017 * 00018 * Redistributions in binary form must reproduce the above copyright 00019 * notice, this list of conditions and the following disclaimer in the 00020 * documentation and/or other materials provided with the distribution. 00021 * 00022 * Neither the name of the Intel Corporation nor the names of its 00023 * contributors may be used to endorse or promote products derived from 00024 * this software without specific prior written permission. 00025 * 00026 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00027 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00028 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00029 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL OR 00030 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00031 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00032 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00033 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00034 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00035 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00036 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00037 */ 00038 #ifndef _APISERVER_H_ 00039 #define _APISERVER_H_ 00040 00041 #include <oasys/debug/Log.h> 00042 #include <oasys/thread/Thread.h> 00043 #include <oasys/io/TCPClient.h> 00044 #include <oasys/io/TCPServer.h> 00045 00046 #include "dtn_api.h" 00047 #include "dtn_ipc.h" 00048 #include "dtn_types.h" 00049 00050 namespace dtn { 00051 00052 class APIRegistration; 00053 class APIRegistrationList; 00054 00059 class APIServer : public oasys::TCPServerThread { 00060 public: 00066 APIServer(); 00067 00068 // Virtual from TCPServerThread 00069 void accepted(int fd, in_addr_t addr, u_int16_t port); 00070 00071 in_addr_t local_addr() const { return local_addr_; } 00072 in_addr_t* local_addr_ptr() { return &local_addr_; } 00073 00074 u_int16_t local_port() const { return local_port_; } 00075 u_int16_t* local_port_ptr() { return &local_port_; } 00076 00077 private: 00078 in_addr_t local_addr_; 00079 u_int16_t local_port_; 00080 }; 00081 00085 class APIClient : public oasys::Thread, public oasys::TCPClient { 00086 public: 00087 APIClient(int fd, in_addr_t remote_host, u_int16_t remote_port); 00088 virtual ~APIClient(); 00089 virtual void run(); 00090 00091 void close_session(); 00092 00093 protected: 00094 int handle_handshake(); 00095 int handle_local_eid(); 00096 int handle_register(); 00097 int handle_unregister(); 00098 int handle_find_registration(); 00099 int handle_bind(); 00100 int handle_unbind(); 00101 int handle_send(); 00102 int handle_recv(); 00103 int handle_begin_poll(); 00104 int handle_cancel_poll(); 00105 int handle_close(); 00106 00107 // wait for a bundle arrival on any bound registration, or for 00108 // traffic on the api socket. 00109 // 00110 // returns the oasys IO error code if there was a timeout or an 00111 // internal error. returns 0 if there is a bundle waiting or 00112 // socket data on the channel, and assigns the reg or sock_ready 00113 // pointers appropriately 00114 int wait_for_bundle(const char* operation, dtn_timeval_t timeout, 00115 APIRegistration** reg, bool* sock_ready); 00116 00117 int send_response(int ret); 00118 00119 bool is_bound(u_int32_t regid); 00120 00121 char buf_[DTN_MAX_API_MSG]; 00122 XDR xdr_encode_; 00123 XDR xdr_decode_; 00124 APIRegistrationList* bindings_; 00125 oasys::Notifier notifier_; 00126 }; 00127 00128 } // namespace dtn 00129 00130 #endif /* _APISERVER_H_ */