dtrace: pass more arguments to probes

OSX and other DTrace implementations don't support dereferencing
structs in probes. To accomodate that pass members from the struct as
arguments so that DTrace is useful on those systems.

src/node_dtrace.cc

@@ -139,7 +139,7 @@ Handle<Value> DTRACE_NET_SERVER_CONNECTION(const Arguments& args) {
   NODE_NET_SERVER_CONNECTION(conn.fd, conn.remote, conn.port, \
                              conn.buffered);
 #else
-  NODE_NET_SERVER_CONNECTION(&conn);
+  NODE_NET_SERVER_CONNECTION(&conn, conn.remote, conn.port);
 #endif
 
   return Undefined(node_isolate);
@@ -157,7 +157,7 @@ Handle<Value> DTRACE_NET_STREAM_END(const Arguments& args) {
 #ifdef HAVE_SYSTEMTAP
   NODE_NET_STREAM_END(conn.fd, conn.remote, conn.port, conn.buffered);
 #else
-  NODE_NET_STREAM_END(&conn);
+  NODE_NET_STREAM_END(&conn, conn.remote, conn.port);
 #endif
 
   return Undefined(node_isolate);
@@ -181,7 +181,7 @@ Handle<Value> DTRACE_NET_SOCKET_READ(const Arguments& args) {
       "argument 1 to be number of bytes"))));
   }
   int nbytes = args[1]->Int32Value();
-  NODE_NET_SOCKET_READ(&conn, nbytes);
+  NODE_NET_SOCKET_READ(&conn, nbytes, conn.remote, conn.port);
 #endif
 
   return Undefined(node_isolate);
@@ -205,7 +205,7 @@ Handle<Value> DTRACE_NET_SOCKET_WRITE(const Arguments& args) {
       "argument 1 to be number of bytes"))));
   }
   int nbytes = args[1]->Int32Value();
-  NODE_NET_SOCKET_WRITE(&conn, nbytes);
+  NODE_NET_SOCKET_WRITE(&conn, nbytes, conn.remote, conn.port);
 #endif
 
   return Undefined(node_isolate);
@@ -247,7 +247,8 @@ Handle<Value> DTRACE_HTTP_SERVER_REQUEST(const Arguments& args) {
   NODE_HTTP_SERVER_REQUEST(&req, conn.fd, conn.remote, conn.port, \
                            conn.buffered);
 #else
-  NODE_HTTP_SERVER_REQUEST(&req, &conn);
+  NODE_HTTP_SERVER_REQUEST(&req, &conn, conn.remote, conn.port, req.method, \
+                           req.url);
 #endif
   return Undefined(node_isolate);
 }
@@ -264,7 +265,7 @@ Handle<Value> DTRACE_HTTP_SERVER_RESPONSE(const Arguments& args) {
 #ifdef HAVE_SYSTEMTAP
   NODE_HTTP_SERVER_RESPONSE(conn.fd, conn.remote, conn.port, conn.buffered);
 #else
-  NODE_HTTP_SERVER_RESPONSE(&conn);
+  NODE_HTTP_SERVER_RESPONSE(&conn, conn.remote, conn.port);
 #endif
 
   return Undefined(node_isolate);
@@ -310,7 +311,8 @@ Handle<Value> DTRACE_HTTP_CLIENT_REQUEST(const Arguments& args) {
   NODE_HTTP_CLIENT_REQUEST(&req, conn.fd, conn.remote, conn.port, \
                            conn.buffered);
 #else
-  NODE_HTTP_CLIENT_REQUEST(&req, &conn);
+  NODE_HTTP_CLIENT_REQUEST(&req, &conn, conn.remote, conn.port, req.method, \
+                           req.url);
 #endif
   return Undefined(node_isolate);
 }
@@ -326,7 +328,7 @@ Handle<Value> DTRACE_HTTP_CLIENT_RESPONSE(const Arguments& args) {
 #ifdef HAVE_SYSTEMTAP
   NODE_HTTP_CLIENT_RESPONSE(conn.fd, conn.remote, conn.port, conn.buffered);
 #else
-  NODE_HTTP_CLIENT_RESPONSE(&conn);
+  NODE_HTTP_CLIENT_RESPONSE(&conn, conn.remote, conn.port);
 #endif
 
   return Undefined(node_isolate);

src/node_provider.d

@@ -52,24 +52,26 @@ typedef struct {
 } node_http_request_t;
 
 provider node {
-	probe net__server__connection(node_dtrace_connection_t *c) :
-	    (node_connection_t *c);
-	probe net__stream__end(node_dtrace_connection_t *c) :
-	    (node_connection_t *c);
-	probe net__socket__read(node_dtrace_connection_t *c, int b) :
-	    (node_connection_t *c, int b);
-	probe net__socket__write(node_dtrace_connection_t *c, int b) :
-	    (node_connection_t *c, int b);
+	probe net__server__connection(node_dtrace_connection_t *c,
+	    const char *a, int p) : (node_connection_t *c, string a, int p);
+	probe net__stream__end(node_dtrace_connection_t *c, const char *a,
+	    int p) : (node_connection_t *c, string a, int p);
+	probe net__socket__read(node_dtrace_connection_t *c, int b,
+	    const char *a, int p) : (node_connection_t *c, int b, string a, int p);
+	probe net__socket__write(node_dtrace_connection_t *c, int b,
+	    const char *a, int p) : (node_connection_t *c, int b, string a, int p);
 	probe http__server__request(node_dtrace_http_server_request_t *h,
-	    node_dtrace_connection_t *c) :
-	    (node_http_request_t *h, node_connection_t *c);
-	probe http__server__response(node_dtrace_connection_t *c) :
-	    (node_connection_t *c);
+	    node_dtrace_connection_t *c, const char *a, int p, const char *m,
+	    const char *u) : (node_http_request_t *h, node_connection_t *c,
+      string a, int p, string m, string u);
+	probe http__server__response(node_dtrace_connection_t *c, const char *a,
+	    int p) : (node_connection_t *c, string a, int p);
 	probe http__client__request(node_dtrace_http_client_request_t *h,
-	    node_dtrace_connection_t *c) :
-	    (node_http_request_t *h, node_connection_t *c);
-	probe http__client__response(node_dtrace_connection_t *c) :
-	    (node_connection_t *c);
+	    node_dtrace_connection_t *c, const char *a, int p, const char *m,
+	    const char *u) : (node_http_request_t *h, node_connection_t *c, string a,
+      int p, string m, string u);
+	probe http__client__response(node_dtrace_connection_t *c, const char *a,
+	    int p) : (node_connection_t *c, string a, int p);
 	probe gc__start(int t, int f);
 	probe gc__done(int t, int f);
 };