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eff96d32dc
For consistency with the newly added src/base64.h header, check that NODE_WANT_INTERNALS is defined and set in internal headers. PR-URL: https://github.com/nodejs/node/pull/6948 Refs: https://github.com/nodejs/node/pull/6910 Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Trevor Norris <trev.norris@gmail.com>
66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
#ifndef SRC_NODE_DTRACE_H_
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#define SRC_NODE_DTRACE_H_
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#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#include "node.h"
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#include "v8.h"
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#include "env.h"
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extern "C" {
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/*
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* The following structures are passed directly to DTrace when probes are fired.
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* Translators in node.d translate these structures into the corresponding D
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* structures, taking care of dealing with the user process data model (32-bit
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* or 64-bit) and structure versions (see node_dtrace_http_server_request_t
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* below).
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*/
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typedef struct {
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int32_t fd;
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int32_t port;
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char* remote;
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int32_t buffered;
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} node_dtrace_connection_t;
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typedef struct {
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char* url;
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char* method;
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} node_dtrace_http_client_request_t;
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/*
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* The original version of this structure contained only a url and method, just
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* like the client request above. To add the new forwardedFor field, the
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* structure layout was changed to begin with an integer version. The
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* translator knows whether it's looking at an old- or new-version structure
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* based on whether the version field's value is a reasonable pointer (i.e.
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* address greater than 4K). No doubt this is filthy, but there's not much else
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* we can do, and it works reliably.
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*
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* This version of the structure also contains padding that should be zeroed out
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* by the consumer so that future versions of the translator can simply check if
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* a field is present by checking it against nullptr.
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*/
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typedef struct {
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union {
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uint32_t version;
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uintptr_t unused; /* for compat. with old 64-bit struct */
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} _un;
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char* url;
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char* method;
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char* forwardedFor;
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char* _pad[8];
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} node_dtrace_http_server_request_t;
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} // extern "C"
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namespace node {
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void InitDTrace(Environment* env, v8::Local<v8::Object> target);
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} // namespace node
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#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#endif // SRC_NODE_DTRACE_H_
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