1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/*
Minetest-c55
Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program 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, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <iostream>
#include <sstream>
#include <algorithm>
#include "main.h" // for g_settings
#include "settings.h"
#include "serverlist.h"
#include "filesys.h"
#include "porting.h"
#include "log.h"
#if USE_CURL
#include <curl/curl.h>
#endif
namespace ServerList
{
std::string getFilePath()
{
std::string serverlist_file = g_settings->get("serverlist_file");
std::string rel_path = std::string("client") + DIR_DELIM
+ "serverlist" + DIR_DELIM
+ serverlist_file;
std::string path = porting::path_share + DIR_DELIM + rel_path;
return path;
}
std::vector<ServerListSpec> getLocal()
{
std::string path = ServerList::getFilePath();
std::string liststring;
if(fs::PathExists(path))
{
std::ifstream istream(path.c_str(), std::ios::binary);
if(istream.is_open())
{
std::ostringstream ostream;
ostream << istream.rdbuf();
liststring = ostream.str();
istream.close();
}
}
return ServerList::deSerialize(liststring);
}
#if USE_CURL
static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp)
{
((std::string*)userp)->append((char*)contents, size * nmemb);
return size * nmemb;
}
std::vector<ServerListSpec> getOnline()
{
std::string liststring;
CURL *curl;
curl = curl_easy_init();
if (curl)
{
CURLcode res;
curl_easy_setopt(curl, CURLOPT_URL, g_settings->get("serverlist_url").c_str());
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, ServerList::WriteCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &liststring);
res = curl_easy_perform(curl);
if (res != CURLE_OK)
errorstream<<"Serverlist at url "<<g_settings->get("serverlist_url")<<" not found (internet connection?)"<<std::endl;
curl_easy_cleanup(curl);
}
return ServerList::deSerialize(liststring);
}
#endif
/*
Delete a server fromt he local favorites list
*/
bool deleteEntry (ServerListSpec server)
{
std::vector<ServerListSpec> serverlist = ServerList::getLocal();
for(unsigned i = 0; i < serverlist.size(); i++)
{
if (serverlist[i].address == server.address
&& serverlist[i].port == server.port)
{
serverlist.erase(serverlist.begin() + i);
}
}
std::string path = ServerList::getFilePath();
std::ofstream stream (path.c_str());
if (stream.is_open())
{
stream<<ServerList::serialize(serverlist);
return true;
}
return false;
}
/*
Insert a server to the local favorites list
*/
bool insert (ServerListSpec server)
{
// Remove duplicates
ServerList::deleteEntry(server);
std::vector<ServerListSpec> serverlist = ServerList::getLocal();
// Insert new server at the top of the list
serverlist.insert(serverlist.begin(), server);
std::string path = ServerList::getFilePath();
std::ofstream stream (path.c_str());
if (stream.is_open())
{
stream<<ServerList::serialize(serverlist);
}
return false;
}
std::vector<ServerListSpec> deSerialize(std::string liststring)
{
std::vector<ServerListSpec> serverlist;
std::istringstream stream(liststring);
std::string line;
while (std::getline(stream, line))
{
std::transform(line.begin(), line.end(),line.begin(), ::toupper);
if (line == "[SERVER]")
{
ServerListSpec thisserver;
std::getline(stream, thisserver.name);
std::getline(stream, thisserver.address);
std::getline(stream, thisserver.port);
std::getline(stream, thisserver.description);
serverlist.push_back(thisserver);
}
}
return serverlist;
}
std::string serialize(std::vector<ServerListSpec> serverlist)
{
std::string liststring;
for(std::vector<ServerListSpec>::iterator i = serverlist.begin(); i != serverlist.end(); i++)
{
liststring += "[server]\n";
liststring += i->name + "\n";
liststring += i->address + "\n";
liststring += i->port + "\n";
liststring += i->description + "\n";
liststring += "\n";
}
return liststring;
}
} //namespace ServerList
|
