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1 | /*************************************************************************** |
2 | * Copyright (C) 2006 by Gerd v. Egidy * | |
3 | * gve@intra2net.com * | |
4 | * * | |
5 | * This library is free software; you can redistribute it and/or modify * | |
6 | * it under the terms of the GNU Lesser General Public License version * | |
7 | * 2.1 as published by the Free Software Foundation. * | |
8 | * * | |
9 | * This library is distributed in the hope that it will be useful, * | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
12 | * GNU Lesser General Public License for more details. * | |
13 | * * | |
14 | * You should have received a copy of the GNU Lesser General Public * | |
15 | * License along with this program; if not, write to the * | |
16 | * Free Software Foundation, Inc., * | |
17 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * | |
18 | ***************************************************************************/ | |
19 | ||
20 | #include <string> | |
21 | #include <sstream> | |
22 | ||
23 | #include <boost/archive/binary_oarchive.hpp> | |
24 | #include <boost/archive/binary_iarchive.hpp> | |
25 | #include <boost/archive/xml_oarchive.hpp> | |
26 | #include <boost/archive/xml_iarchive.hpp> | |
27 | #include <boost/serialization/serialization.hpp> | |
7087e187 | 28 | |
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29 | #include <boost/bind.hpp> |
30 | ||
7087e187 GE |
31 | #include "command_client.hxx" |
32 | ||
8104c8f7 GE |
33 | #ifdef HAVE_CONFIG_H |
34 | #include <config.h> | |
35 | #endif | |
36 | ||
7087e187 GE |
37 | using namespace std; |
38 | ||
39 | namespace libt2n | |
40 | { | |
41 | ||
8104c8f7 GE |
42 | command_client::command_client(client_connection& _c) |
43 | : c(_c) | |
44 | { | |
45 | // for reconnects | |
46 | c.add_callback(new_connection,bind(&command_client::read_hello, boost::ref(*this))); | |
47 | ||
48 | read_hello(); | |
49 | } | |
50 | ||
51 | void command_client::read_hello() | |
52 | { | |
53 | // TODO: fix timeout | |
54 | string resultpacket; | |
55 | while(!c.get_packet(resultpacket)) | |
56 | c.fill_buffer(); | |
57 | ||
58 | istringstream hello(resultpacket); | |
59 | ||
60 | char chk[5]; | |
61 | hello.read(chk,4); | |
62 | chk[4]=0; | |
63 | if (hello.fail() || hello.eof() || string("T2Nv") != chk) | |
64 | throw t2n_version_mismatch("illegal hello received (T2N)"); | |
65 | ||
66 | int prot_version; | |
67 | hello >> prot_version; | |
68 | if (hello.fail() || hello.eof() || prot_version != PROTOCOL_VERSION) | |
69 | throw t2n_version_mismatch("not compatible with the server protocol version"); | |
70 | ||
71 | hello.read(chk,1); | |
72 | if (hello.fail() || hello.eof() || chk[0] != ';') | |
73 | throw t2n_version_mismatch("illegal hello received (1. ;)"); | |
74 | ||
75 | hello.read(chk,4); | |
76 | if (hello.fail() || hello.eof() || *((int*)chk) != 1) | |
77 | throw t2n_version_mismatch("host byte order not matching"); | |
78 | ||
79 | hello.read(chk,1); | |
80 | if (hello.fail() || hello.eof() || chk[0] != ';') | |
81 | throw t2n_version_mismatch("illegal hello received (2. ;)"); | |
82 | } | |
83 | ||
7087e187 GE |
84 | void command_client::send_command(command* cmd, result_container &res) |
85 | { | |
86 | ostringstream ofs; | |
87 | command_container cc(cmd); | |
88 | boost::archive::binary_oarchive oa(ofs); | |
89 | ||
90 | // TODO: exceptions | |
91 | oa << cc; | |
92 | ||
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93 | std::ostream* ostr; |
94 | if ((ostr=c.get_logstream(fulldebug))!=NULL) | |
95 | { | |
96 | (*ostr) << "sending command, decoded data: " << std::endl; | |
97 | boost::archive::xml_oarchive xo(*ostr); | |
98 | xo << BOOST_SERIALIZATION_NVP(cc); | |
99 | } | |
100 | ||
7087e187 GE |
101 | c.write(ofs.str()); |
102 | ||
103 | // TODO: fix timeout | |
104 | string resultpacket; | |
105 | while(!c.get_packet(resultpacket)) | |
106 | c.fill_buffer(); | |
107 | ||
108 | istringstream ifs(resultpacket); | |
109 | boost::archive::binary_iarchive ia(ifs); | |
110 | ||
111 | // TODO: exceptions | |
112 | ia >> res; | |
d535333f GE |
113 | |
114 | if ((ostr=c.get_logstream(fulldebug))!=NULL) | |
115 | { | |
116 | (*ostr) << "received result, decoded data: " << std::endl; | |
117 | boost::archive::xml_oarchive xo(*ostr); | |
118 | xo << BOOST_SERIALIZATION_NVP(res); | |
119 | } | |
7087e187 GE |
120 | } |
121 | ||
122 | } |