mirror of
https://github.com/nodejs/node.git
synced 2026-11-09 15:11:11 -05:00
isaacs
3e1b1dd4a9
The copyright and license notice is already in the LICENSE file. There is no justifiable reason to also require that it be included in every file, since the individual files are not individually distributed except as part of the entire package.
62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
#ifndef SRC_NODE_DTRACE_H_
|
|
#define SRC_NODE_DTRACE_H_
|
|
|
|
#include "node.h"
|
|
#include "v8.h"
|
|
#include "env.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 nullptr.
|
|
*/
|
|
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;
|
|
|
|
} // extern "C"
|
|
|
|
namespace node {
|
|
|
|
void InitDTrace(Environment* env, v8::Handle<v8::Object> target);
|
|
|
|
} // namespace node
|
|
|
|
#endif // SRC_NODE_DTRACE_H_
|