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pistache
Commits
e52871cb
Commit
e52871cb
authored
Dec 10, 2015
by
Mathieu Stefani
Browse files
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Plain Diff
Now providing a much more convenient API for rusage
parent
145f472c
Changes
5
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Inline
Side-by-side
Showing
5 changed files
with
125 additions
and
56 deletions
+125
-56
main.cc
main.cc
+53
-8
src/http.cc
src/http.cc
+5
-0
src/http.h
src/http.h
+6
-0
src/listener.cc
src/listener.cc
+48
-41
src/listener.h
src/listener.h
+13
-7
No files found.
main.cc
View file @
e52871cb
...
...
@@ -32,15 +32,11 @@ class MyHandler : public Net::Http::Handler {
.
add
<
Header
::
Server
>
(
"lys"
)
.
add
<
Header
::
ContentType
>
(
MIME
(
Text
,
Plain
));
#if 0
auto
stream
=
response
.
stream
(
Net
::
Http
::
Code
::
Ok
);
stream
<<
"PO"
;
stream << flush;
stream
<<
"NG"
;
stream
<<
ends
;
#endif
response
.
send
(
Code
::
Ok
,
"PONG"
);
}
}
else
if
(
req
.
resource
()
==
"/echo"
)
{
...
...
@@ -63,6 +59,50 @@ class MyHandler : public Net::Http::Handler {
}
};
struct
LoadMonitor
{
LoadMonitor
(
const
std
::
shared_ptr
<
Net
::
Http
::
Endpoint
>&
endpoint
)
:
endpoint_
(
endpoint
)
,
interval
(
std
::
chrono
::
seconds
(
1
))
{
}
void
setInterval
(
std
::
chrono
::
seconds
secs
)
{
interval
=
secs
;
}
void
start
()
{
thread
.
reset
(
new
std
::
thread
(
std
::
bind
(
&
LoadMonitor
::
run
,
this
)));
}
~
LoadMonitor
()
{
thread
->
join
();
}
private:
std
::
shared_ptr
<
Net
::
Http
::
Endpoint
>
endpoint_
;
std
::
unique_ptr
<
std
::
thread
>
thread
;
std
::
chrono
::
seconds
interval
;
void
run
()
{
Net
::
Tcp
::
Listener
::
Load
old
;
while
(
endpoint_
->
isBound
())
{
endpoint_
->
requestLoad
(
old
).
then
([
&
](
const
Net
::
Tcp
::
Listener
::
Load
&
load
)
{
old
=
load
;
double
global
=
load
.
global
;
if
(
global
>
100
)
global
=
100
;
if
(
global
>
1
)
std
::
cout
<<
"Global load is "
<<
global
<<
"%"
<<
std
::
endl
;
else
std
::
cout
<<
"Global load is 0%"
<<
std
::
endl
;
},
Async
::
NoExcept
);
std
::
this_thread
::
sleep_for
(
std
::
chrono
::
seconds
(
interval
));
}
}
};
int
main
(
int
argc
,
char
*
argv
[])
{
Net
::
Port
port
(
9080
);
...
...
@@ -81,12 +121,17 @@ int main(int argc, char *argv[]) {
cout
<<
"Cores = "
<<
hardware_concurrency
()
<<
endl
;
cout
<<
"Using "
<<
thr
<<
" threads"
<<
endl
;
Net
::
Http
::
Endpoint
server
(
addr
);
auto
server
=
std
::
make_shared
<
Net
::
Http
::
Endpoint
>
(
addr
);
auto
opts
=
Net
::
Http
::
Endpoint
::
options
()
.
threads
(
thr
)
.
flags
(
Net
::
Tcp
::
Options
::
InstallSignalHandler
);
server
.
init
(
opts
);
server
.
setHandler
(
std
::
make_shared
<
MyHandler
>
());
server
->
init
(
opts
);
server
->
setHandler
(
std
::
make_shared
<
MyHandler
>
());
LoadMonitor
monitor
(
server
);
monitor
.
setInterval
(
std
::
chrono
::
seconds
(
5
));
monitor
.
start
();
server
.
serve
();
server
->
serve
();
}
src/http.cc
View file @
e52871cb
...
...
@@ -586,6 +586,11 @@ Endpoint::serve()
}
}
Async
::
Promise
<
Tcp
::
Listener
::
Load
>
Endpoint
::
requestLoad
(
const
Tcp
::
Listener
::
Load
&
old
)
{
return
listener
.
requestLoad
(
old
);
}
Endpoint
::
Options
Endpoint
::
options
()
{
return
Options
();
...
...
src/http.h
View file @
e52871cb
...
...
@@ -530,6 +530,12 @@ public:
void
setHandler
(
const
std
::
shared_ptr
<
Handler
>&
handler
);
void
serve
();
bool
isBound
()
const
{
return
listener
.
isBound
();
}
Async
::
Promise
<
Tcp
::
Listener
::
Load
>
requestLoad
(
const
Tcp
::
Listener
::
Load
&
old
);
static
Options
options
();
private:
...
...
src/listener.cc
View file @
e52871cb
...
...
@@ -176,14 +176,14 @@ Listener::bind(const Address& address) {
io
->
start
(
handler_
,
options_
);
}
sh
=
false
;
loadThread
.
reset
(
new
std
::
thread
([
=
]()
{
this
->
runLoadThread
();
}));
return
true
;
}
bool
Listener
::
isBound
()
const
{
return
g_listen_fd
!=
-
1
;
}
void
Listener
::
run
()
{
for
(;;)
{
...
...
@@ -211,52 +211,59 @@ Listener::run() {
}
void
Listener
::
runLoadThread
()
{
std
::
vector
<
rusage
>
lastUsages
;
Listener
::
shutdown
()
{
for
(
auto
&
worker
:
ioGroup
)
{
worker
->
shutdown
();
}
}
while
(
!
sh
)
{
std
::
vector
<
Async
::
Promise
<
rusage
>>
loads
;
loads
.
reserve
(
ioGroup
.
size
());
Async
::
Promise
<
Listener
::
Load
>
Listener
::
requestLoad
(
const
Listener
::
Load
&
old
)
{
std
::
vector
<
Async
::
Promise
<
rusage
>>
loads
;
loads
.
reserve
(
ioGroup
.
size
());
for
(
const
auto
&
io
:
ioGroup
)
{
loads
.
push_back
(
io
->
getLoad
());
}
for
(
const
auto
&
io
:
ioGroup
)
{
loads
.
push_back
(
io
->
getLoad
());
}
Async
::
whenAll
(
std
::
begin
(
loads
),
std
::
end
(
loads
))
.
then
([
&
](
const
std
::
vector
<
rusage
>&
usages
)
{
auto
totalElapsed
=
[](
rusage
usage
)
{
return
(
usage
.
ru_stime
.
tv_sec
*
1e6
+
usage
.
ru_stime
.
tv_usec
)
+
(
usage
.
ru_utime
.
tv_sec
*
1e6
+
usage
.
ru_utime
.
tv_usec
);
};
return
Async
::
whenAll
(
std
::
begin
(
loads
),
std
::
end
(
loads
)).
then
([
=
](
const
std
::
vector
<
rusage
>&
usages
)
{
if
(
lastUsages
.
empty
())
lastUsages
=
usages
;
else
{
for
(
size_t
i
=
0
;
i
<
usages
.
size
();
++
i
)
{
auto
last
=
lastUsages
[
i
];
const
auto
&
usage
=
usages
[
i
];
Load
res
;
res
.
raw
=
usages
;
auto
now
=
totalElapsed
(
usage
);
auto
time
=
now
-
totalElapsed
(
last
);
if
(
old
.
raw
.
empty
())
{
res
.
global
=
0.0
;
for
(
size_t
i
=
0
;
i
<
ioGroup
.
size
();
++
i
)
res
.
workers
.
push_back
(
0.0
);
}
else
{
auto
load
=
(
time
*
100.0
)
/
1e6
;
auto
totalElapsed
=
[](
rusage
usage
)
{
return
(
usage
.
ru_stime
.
tv_sec
*
1e6
+
usage
.
ru_stime
.
tv_usec
)
+
(
usage
.
ru_utime
.
tv_sec
*
1e6
+
usage
.
ru_utime
.
tv_usec
);
};
//printf("Total load for I/O thread %lu = %.3lf%%\n", i, load);
auto
now
=
std
::
chrono
::
system_clock
::
now
();
std
::
chrono
::
microseconds
tick
=
now
-
old
.
tick
;
res
.
tick
=
now
;
}
lastUsages
=
usages
;
}
},
Async
::
NoExcept
);
for
(
size_t
i
=
0
;
i
<
usages
.
size
();
++
i
)
{
auto
last
=
old
.
raw
[
i
];
const
auto
&
usage
=
usages
[
i
];
std
::
this_thread
::
sleep_for
(
std
::
chrono
::
seconds
(
1
));
}
}
auto
nowElapsed
=
totalElapsed
(
usage
);
auto
timeElapsed
=
nowElapsed
-
totalElapsed
(
last
);
void
Listener
::
shutdown
()
{
for
(
auto
&
worker
:
ioGroup
)
{
worker
->
shutdown
();
}
sh
=
true
;
auto
loadPct
=
(
timeElapsed
*
100.0
)
/
tick
.
count
();
res
.
workers
.
push_back
(
loadPct
);
res
.
global
+=
loadPct
;
}
res
.
global
/=
usages
.
size
();
}
return
Async
::
Promise
<
Load
>::
resolved
(
std
::
move
(
res
));
},
Async
::
NoExcept
);
}
Address
...
...
src/listener.h
View file @
e52871cb
...
...
@@ -26,10 +26,16 @@ void setSocketOptions(Fd fd, Flags<Options> options);
class
Listener
{
public:
struct
Load
{
typedef
std
::
chrono
::
system_clock
::
time_point
TimePoint
;
double
global
;
std
::
vector
<
double
>
workers
;
std
::
vector
<
rusage
>
raw
;
TimePoint
tick
;
};
Listener
();
~
Listener
()
{
loadThread
->
join
();
}
Listener
(
const
Address
&
address
);
void
init
(
...
...
@@ -40,9 +46,13 @@ public:
bool
bind
();
bool
bind
(
const
Address
&
adress
);
bool
isBound
()
const
;
void
run
();
void
shutdown
();
Async
::
Promise
<
Load
>
requestLoad
(
const
Load
&
old
);
Options
options
()
const
;
Address
address
()
const
;
...
...
@@ -56,10 +66,6 @@ private:
Flags
<
Options
>
options_
;
std
::
shared_ptr
<
Handler
>
handler_
;
std
::
atomic
<
bool
>
sh
;
std
::
unique_ptr
<
std
::
thread
>
loadThread
;
void
dispatchPeer
(
const
std
::
shared_ptr
<
Peer
>&
peer
);
void
runLoadThread
();
};
...
...
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