mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.7 KiB
82 lines
2.7 KiB
// Copyright Joyent, Inc. and other Node contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
|
// persons to whom the Software is furnished to do so, subject to the
|
|
// following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included
|
|
// in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
|
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
#ifndef NODE_DTRACE_H_
|
|
#define NODE_DTRACE_H_
|
|
|
|
#include "node.h"
|
|
#include "v8.h"
|
|
|
|
extern "C" {
|
|
|
|
/*
|
|
* The following structures are passed directly to DTrace when probes are fired.
|
|
* Translators in node.d translate these structures into the corresponding D
|
|
* structures, taking care of dealing with the user process data model (32-bit
|
|
* or 64-bit) and structure versions (see node_dtrace_http_server_request_t
|
|
* below).
|
|
*/
|
|
|
|
typedef struct {
|
|
int32_t fd;
|
|
int32_t port;
|
|
char *remote;
|
|
int32_t buffered;
|
|
} node_dtrace_connection_t;
|
|
|
|
typedef struct {
|
|
char *url;
|
|
char *method;
|
|
} node_dtrace_http_client_request_t;
|
|
|
|
/*
|
|
* The original version of this structure contained only a url and method, just
|
|
* like the client request above. To add the new forwardedFor field, the
|
|
* structure layout was changed to begin with an integer version. The
|
|
* translator knows whether it's looking at an old- or new-version structure
|
|
* based on whether the version field's value is a reasonable pointer (i.e.
|
|
* address greater than 4K). No doubt this is filthy, but there's not much else
|
|
* we can do, and it works reliably.
|
|
*
|
|
* This version of the structure also contains padding that should be zeroed out
|
|
* by the consumer so that future versions of the translator can simply check if
|
|
* a field is present by checking it against NULL.
|
|
*/
|
|
typedef struct {
|
|
union {
|
|
uint32_t version;
|
|
uintptr_t unused; /* for compat. with old 64-bit struct */
|
|
} _un;
|
|
char *url;
|
|
char *method;
|
|
char *forwardedFor;
|
|
char *_pad[8];
|
|
} node_dtrace_http_server_request_t;
|
|
|
|
}
|
|
|
|
namespace node {
|
|
|
|
void InitDTrace(v8::Handle<v8::Object> target);
|
|
|
|
}
|
|
|
|
#endif
|
|
|