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tci-gateway-module
Grpc
Commits
1ef06e62
Commit
1ef06e62
authored
10 years ago
by
Hongyu Chen
Browse files
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V0 implementation of census_get_active_ops().
parent
484bc535
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Changes
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3 changed files
src/core/statistics/census_tracing.c
+45
-19
45 additions, 19 deletions
src/core/statistics/census_tracing.c
src/core/statistics/census_tracing.h
+31
-2
31 additions, 2 deletions
src/core/statistics/census_tracing.h
test/core/statistics/trace_test.c
+71
-0
71 additions, 0 deletions
test/core/statistics/trace_test.c
with
147 additions
and
21 deletions
src/core/statistics/census_tracing.c
+
45
−
19
View file @
1ef06e62
...
@@ -32,35 +32,19 @@
...
@@ -32,35 +32,19 @@
*/
*/
#include
"src/core/statistics/census_interface.h"
#include
"src/core/statistics/census_interface.h"
#include
"src/core/statistics/census_tracing.h"
#include
<stdio.h>
#include
<stdio.h>
#include
<string.h>
#include
<string.h>
#include
"src/core/statistics/census_rpc_stats.h"
#include
"src/core/statistics/hash_table.h"
#include
"src/core/statistics/hash_table.h"
#include
"src/core/support/string.h"
#include
"src/core/support/string.h"
#include
<grpc/support/alloc.h>
#include
<grpc/support/alloc.h>
#include
<grpc/support/log.h>
#include
<grpc/support/log.h>
#include
<grpc/support/port_platform.h>
#include
<grpc/support/port_platform.h>
#include
<grpc/support/sync.h>
#include
<grpc/support/sync.h>
#include
<grpc/support/time.h>
void
trace_obj_destroy
(
trace_obj
*
obj
)
{
/* Struct for a trace annotation. */
typedef
struct
annotation
{
gpr_timespec
ts
;
/* timestamp of the annotation */
char
txt
[
CENSUS_MAX_ANNOTATION_LENGTH
+
1
];
/* actual txt annotation */
struct
annotation
*
next
;
}
annotation
;
typedef
struct
trace_obj
{
census_op_id
id
;
gpr_timespec
ts
;
census_rpc_stats
rpc_stats
;
char
*
method
;
annotation
*
annotations
;
}
trace_obj
;
static
void
trace_obj_destroy
(
trace_obj
*
obj
)
{
annotation
*
p
=
obj
->
annotations
;
annotation
*
p
=
obj
->
annotations
;
while
(
p
!=
NULL
)
{
while
(
p
!=
NULL
)
{
annotation
*
next
=
p
->
next
;
annotation
*
next
=
p
->
next
;
...
@@ -207,3 +191,45 @@ trace_obj* census_get_trace_obj_locked(census_op_id op_id) {
...
@@ -207,3 +191,45 @@ trace_obj* census_get_trace_obj_locked(census_op_id op_id) {
const
char
*
census_get_trace_method_name
(
const
trace_obj
*
trace
)
{
const
char
*
census_get_trace_method_name
(
const
trace_obj
*
trace
)
{
return
(
const
char
*
)
trace
->
method
;
return
(
const
char
*
)
trace
->
method
;
}
}
static
annotation
*
dup_annotation_chain
(
annotation
*
from
)
{
annotation
*
to
=
NULL
;
if
(
from
!=
NULL
)
{
to
=
gpr_malloc
(
sizeof
(
annotation
));
memcpy
(
to
,
from
,
sizeof
(
annotation
));
to
->
next
=
dup_annotation_chain
(
from
->
next
);
}
return
to
;
}
static
trace_obj
*
trace_obj_dup
(
trace_obj
*
from
)
{
trace_obj
*
to
=
NULL
;
GPR_ASSERT
(
from
!=
NULL
);
to
=
gpr_malloc
(
sizeof
(
trace_obj
));
to
->
id
=
from
->
id
;
to
->
ts
=
from
->
ts
;
to
->
rpc_stats
=
from
->
rpc_stats
;
to
->
method
=
gpr_strdup
(
from
->
method
);
to
->
annotations
=
dup_annotation_chain
(
from
->
annotations
);
return
to
;
}
trace_obj
**
census_get_active_ops
(
int
*
num_active_ops
)
{
trace_obj
**
ret
=
NULL
;
gpr_mu_lock
(
&
g_mu
);
if
(
g_trace_store
!=
NULL
)
{
size_t
n
=
0
;
census_ht_kv
*
all_kvs
=
census_ht_get_all_elements
(
g_trace_store
,
&
n
);
*
num_active_ops
=
n
;
if
(
n
!=
0
)
{
size_t
i
=
0
;
ret
=
gpr_malloc
(
sizeof
(
trace_obj
*
)
*
n
);
for
(
i
=
0
;
i
<
n
;
i
++
)
{
ret
[
i
]
=
trace_obj_dup
((
trace_obj
*
)
all_kvs
[
i
].
v
);
}
}
gpr_free
(
all_kvs
);
}
gpr_mu_unlock
(
&
g_mu
);
return
ret
;
}
This diff is collapsed.
Click to expand it.
src/core/statistics/census_tracing.h
+
31
−
2
View file @
1ef06e62
...
@@ -34,12 +34,35 @@
...
@@ -34,12 +34,35 @@
#ifndef __GRPC_INTERNAL_STATISTICS_CENSUS_TRACING_H_
#ifndef __GRPC_INTERNAL_STATISTICS_CENSUS_TRACING_H_
#define __GRPC_INTERNAL_STATISTICS_CENSUS_TRACING_H_
#define __GRPC_INTERNAL_STATISTICS_CENSUS_TRACING_H_
#include
<grpc/support/time.h>
#include
"src/core/statistics/census_rpc_stats.h"
/* WARNING: The data structures and APIs provided by this file are for GRPC
library's internal use ONLY. They might be changed in backward-incompatible
ways and are not subject to any deprecation policy.
They are not recommended for external use.
*/
#ifdef __cplusplus
#ifdef __cplusplus
extern
"C"
{
extern
"C"
{
#endif
#endif
/* Opaque structure for trace object */
/* Struct for a trace annotation. */
typedef
struct
trace_obj
trace_obj
;
typedef
struct
annotation
{
gpr_timespec
ts
;
/* timestamp of the annotation */
char
txt
[
CENSUS_MAX_ANNOTATION_LENGTH
+
1
];
/* actual txt annotation */
struct
annotation
*
next
;
}
annotation
;
typedef
struct
trace_obj
{
census_op_id
id
;
gpr_timespec
ts
;
census_rpc_stats
rpc_stats
;
char
*
method
;
annotation
*
annotations
;
}
trace_obj
;
/* Deletes trace object. */
void
trace_obj_destroy
(
trace_obj
*
obj
);
/* Initializes trace store. This function is thread safe. */
/* Initializes trace store. This function is thread safe. */
void
census_tracing_init
(
void
);
void
census_tracing_init
(
void
);
...
@@ -60,6 +83,12 @@ void census_internal_unlock_trace_store(void);
...
@@ -60,6 +83,12 @@ void census_internal_unlock_trace_store(void);
/* Gets method tag name associated with the input trace object. */
/* Gets method tag name associated with the input trace object. */
const
char
*
census_get_trace_method_name
(
const
trace_obj
*
trace
);
const
char
*
census_get_trace_method_name
(
const
trace_obj
*
trace
);
/* Returns an array of pointers to trace objects of currently active operations
and fills in number of active operations. Returns NULL if there's no active
operations.
Caller owns the returned objects. */
trace_obj
**
census_get_active_ops
(
int
*
num_active_ops
);
#ifdef __cplusplus
#ifdef __cplusplus
}
}
#endif
#endif
...
...
This diff is collapsed.
Click to expand it.
test/core/statistics/trace_test.c
+
71
−
0
View file @
1ef06e62
...
@@ -32,10 +32,12 @@
...
@@ -32,10 +32,12 @@
*/
*/
#include
<string.h>
#include
<string.h>
#include
<stdio.h>
#include
"src/core/statistics/census_interface.h"
#include
"src/core/statistics/census_interface.h"
#include
"src/core/statistics/census_tracing.h"
#include
"src/core/statistics/census_tracing.h"
#include
"src/core/statistics/census_tracing.h"
#include
"src/core/statistics/census_tracing.h"
#include
<grpc/support/alloc.h>
#include
<grpc/support/log.h>
#include
<grpc/support/log.h>
#include
<grpc/support/port_platform.h>
#include
<grpc/support/port_platform.h>
#include
<grpc/support/sync.h>
#include
<grpc/support/sync.h>
...
@@ -172,6 +174,74 @@ static void test_trace_print(void) {
...
@@ -172,6 +174,74 @@ static void test_trace_print(void) {
census_tracing_shutdown
();
census_tracing_shutdown
();
}
}
/* Returns 1 if two ids are equal, otherwise returns 0. */
static
int
ids_equal
(
census_op_id
id1
,
census_op_id
id2
)
{
return
(
id1
.
upper
==
id2
.
upper
)
&&
(
id1
.
lower
==
id2
.
lower
);
}
static
void
test_get_active_ops
(
void
)
{
census_op_id
id_1
,
id_2
,
id_3
;
trace_obj
**
active_ops
;
const
char
*
annotation_txt
[]
=
{
"annotation 1"
,
"a2"
};
int
i
=
0
;
int
n
=
0
;
gpr_log
(
GPR_INFO
,
"test_get_active_ops"
);
census_tracing_init
();
/* No active ops before calling start_op(). */
active_ops
=
census_get_active_ops
(
&
n
);
GPR_ASSERT
(
active_ops
==
NULL
);
GPR_ASSERT
(
n
==
0
);
/* Starts one op */
id_1
=
census_tracing_start_op
();
census_add_method_tag
(
id_1
,
"foo_1"
);
active_ops
=
census_get_active_ops
(
&
n
);
GPR_ASSERT
(
active_ops
!=
NULL
);
GPR_ASSERT
(
n
==
1
);
GPR_ASSERT
(
ids_equal
(
active_ops
[
0
]
->
id
,
id_1
));
trace_obj_destroy
(
active_ops
[
0
]);
gpr_free
(
active_ops
);
active_ops
=
NULL
;
/* Start the second and the third ops */
id_2
=
census_tracing_start_op
();
census_add_method_tag
(
id_2
,
"foo_2"
);
id_3
=
census_tracing_start_op
();
census_add_method_tag
(
id_3
,
"foo_3"
);
active_ops
=
census_get_active_ops
(
&
n
);
GPR_ASSERT
(
n
==
3
);
for
(
i
=
0
;
i
<
3
;
i
++
)
{
trace_obj_destroy
(
active_ops
[
i
]);
}
gpr_free
(
active_ops
);
active_ops
=
NULL
;
/* End the second op and add annotations to the third ops*/
census_tracing_end_op
(
id_2
);
census_tracing_print
(
id_3
,
annotation_txt
[
0
]);
census_tracing_print
(
id_3
,
annotation_txt
[
1
]);
active_ops
=
census_get_active_ops
(
&
n
);
GPR_ASSERT
(
active_ops
!=
NULL
);
GPR_ASSERT
(
n
==
2
);
for
(
i
=
0
;
i
<
2
;
i
++
)
{
trace_obj_destroy
(
active_ops
[
i
]);
}
gpr_free
(
active_ops
);
active_ops
=
NULL
;
/* End all ops. */
census_tracing_end_op
(
id_1
);
census_tracing_end_op
(
id_3
);
active_ops
=
census_get_active_ops
(
&
n
);
GPR_ASSERT
(
active_ops
==
NULL
);
GPR_ASSERT
(
n
==
0
);
census_tracing_shutdown
();
}
int
main
(
int
argc
,
char
**
argv
)
{
int
main
(
int
argc
,
char
**
argv
)
{
grpc_test_init
(
argc
,
argv
);
grpc_test_init
(
argc
,
argv
);
test_init_shutdown
();
test_init_shutdown
();
...
@@ -180,5 +250,6 @@ int main(int argc, char** argv) {
...
@@ -180,5 +250,6 @@ int main(int argc, char** argv) {
test_concurrency
();
test_concurrency
();
test_add_method_tag_to_unknown_op_id
();
test_add_method_tag_to_unknown_op_id
();
test_trace_print
();
test_trace_print
();
test_get_active_ops
();
return
0
;
return
0
;
}
}
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