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
|
#include "index_mon_page.h"
#include <util/generic/cast.h>
#include <util/string/ascii.h>
using namespace NMonitoring;
void TIndexMonPage::OutputIndexPage(IMonHttpRequest& request) {
request.Output() << HTTPOKHTML;
request.Output() << "<html>\n";
OutputHead(request.Output());
OutputBody(request);
request.Output() << "</html>\n";
}
void TIndexMonPage::Output(IMonHttpRequest& request) {
TStringBuf pathInfo = request.GetPathInfo();
if (pathInfo.empty() || pathInfo == TStringBuf("/")) {
OutputIndexPage(request);
return;
}
Y_VERIFY(pathInfo.StartsWith('/'));
TMonPagePtr found;
// analogous to CGI PATH_INFO
{
TGuard<TMutex> g(Mtx);
TStringBuf pathTmp = request.GetPathInfo();
for (;;) {
TPagesByPath::iterator i = PagesByPath.find(pathTmp);
if (i != PagesByPath.end()) {
found = i->second;
pathInfo = request.GetPathInfo().substr(pathTmp.size());
Y_VERIFY(pathInfo.empty() || pathInfo.StartsWith('/'));
break;
}
size_t slash = pathTmp.find_last_of('/');
Y_VERIFY(slash != TString::npos);
pathTmp = pathTmp.substr(0, slash);
if (!pathTmp) {
break;
}
}
}
if (found) {
THolder<IMonHttpRequest> child(request.MakeChild(found.Get(), TString{pathInfo}));
found->Output(*child);
} else {
request.Output() << HTTPNOTFOUND;
}
}
void TIndexMonPage::OutputIndex(IOutputStream& out, bool pathEndsWithSlash) {
TGuard<TMutex> g(Mtx);
for (auto& Page : Pages) {
IMonPage* page = Page.Get();
if (page->IsInIndex()) {
TString pathToDir = "";
if (!pathEndsWithSlash) {
pathToDir = this->GetPath() + "/";
}
out << "<a href='" << pathToDir << page->GetPath() << "'>" << page->GetTitle() << "</a><br/>\n";
}
}
}
void TIndexMonPage::Register(TMonPagePtr page) {
TGuard<TMutex> g(Mtx);
auto insres = PagesByPath.insert(std::make_pair("/" + page->GetPath(), page));
if (insres.second) {
// new unique page just inserted, update Pages
Pages.push_back(page);
} else {
// a page with the given path is already present, replace it with the new page
// find old page, sorry for O(n)
auto it = std::find(Pages.begin(), Pages.end(), insres.first->second);
*it = page;
// this already present, replace it
insres.first->second = page;
}
page->Parent = this;
}
TIndexMonPage* TIndexMonPage::RegisterIndexPage(const TString& path, const TString& title) {
TGuard<TMutex> g(Mtx);
TIndexMonPage* page = VerifyDynamicCast<TIndexMonPage*>(FindPage(path));
if (page) {
return page;
}
page = new TIndexMonPage(path, title);
Register(page);
return VerifyDynamicCast<TIndexMonPage*>(page);
}
IMonPage* TIndexMonPage::FindPage(const TString& relativePath) {
TGuard<TMutex> g(Mtx);
TPagesByPath::iterator i = PagesByPath.find("/" + relativePath);
if (i == PagesByPath.end()) {
return nullptr;
} else {
return i->second.Get();
}
}
IMonPage* TIndexMonPage::FindPageByAbsolutePath(const TString& absolutePath) {
TIndexMonPage* page = this;
TString path = absolutePath;
while (!path.empty()) {
while (path.StartsWith('/')) {
path.erase(0, 1);
}
TString tryPath = path;
while (!tryPath.empty()) {
IMonPage* found = page->FindPage(tryPath);
if (found == nullptr) {
size_t slash = tryPath.find_last_of('/');
if (slash == TString::npos) {
return nullptr;
}
tryPath.resize(slash);
} else {
if (tryPath.size() == path.size()) {
return found;
}
if (found->IsIndex()) {
path = path.substr(tryPath.size() + 1);
page = static_cast<TIndexMonPage*>(found);
break;
} else {
return found;
}
}
}
}
return nullptr;
}
TIndexMonPage* TIndexMonPage::FindIndexPage(const TString& relativePath) {
return VerifyDynamicCast<TIndexMonPage*>(FindPage(relativePath));
}
void TIndexMonPage::OutputCommonJsCss(IOutputStream& out) {
out << "<link rel='stylesheet' href='https://yastatic.net/bootstrap/3.3.1/css/bootstrap.min.css'>\n";
out << "<script language='javascript' type='text/javascript' src='https://yastatic.net/jquery/2.1.3/jquery.min.js'></script>\n";
out << "<script language='javascript' type='text/javascript' src='https://yastatic.net/bootstrap/3.3.1/js/bootstrap.min.js'></script>\n";
}
void TIndexMonPage::OutputHead(IOutputStream& out) {
out << "<head>\n";
OutputCommonJsCss(out);
out << "<title>" << Title << "</title>\n";
out << "</head>\n";
}
void TIndexMonPage::OutputBody(IMonHttpRequest& req) {
auto& out = req.Output();
out << "<body>\n";
// part of common navbar
OutputNavBar(out);
out << "<div class='container'>\n"
<< "<h2>" << Title << "</h2>\n";
OutputIndex(out, req.GetPathInfo().EndsWith('/'));
out << "</div>\n"
<< "</body>\n";
}
void TIndexMonPage::SortPages() {
TGuard<TMutex> g(Mtx);
std::sort(Pages.begin(), Pages.end(), [](const TMonPagePtr& a, const TMonPagePtr& b) {
return AsciiCompareIgnoreCase(a->GetTitle(), b->GetTitle()) < 0;
});
}
void TIndexMonPage::ClearPages() {
TGuard<TMutex> g(Mtx);
Pages.clear();
PagesByPath.clear();
}
|
