CSE2410 Fall 2014 Bounce

/* 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.

 */

/*

 * DTrace provider for node.js.

 */

/*

 * In order to have the information we need here to create the provider,

 * we must declare bogus definitions for our depended-upon structures.  And

 * yes, the fact that we need to do this represents a shortcoming in DTrace,

 * one that would be resolved by that elusive El Dorado:  dynamic translators.

 */

typedef struct {

	int dummy;

} node_dtrace_connection_t;

typedef struct {

	int dummy;

} node_connection_t;

typedef struct {

	int dummy;

} node_dtrace_http_server_request_t;

typedef struct {

	int dummy;

} node_dtrace_http_client_request_t;

typedef struct {

	int dummy;

} node_http_request_t;

provider node {

	probe net__server__connection(node_dtrace_connection_t *c,

	    const char *a, int p, int fd) : (node_connection_t *c, string a, int p,

      int fd);

	probe net__stream__end(node_dtrace_connection_t *c, const char *a,

	    int p, int fd) : (node_connection_t *c, string a, int p, int fd);

	probe net__socket__read(node_dtrace_connection_t *c, int b,

	    const char *a, int p, int fd) : (node_connection_t *c, int b, string a,

      int p, int fd);

	probe net__socket__write(node_dtrace_connection_t *c, int b,

	    const char *a, int p, int fd) : (node_connection_t *c, int b, string a,

      int p, int fd);

	probe http__server__request(node_dtrace_http_server_request_t *h,

	    node_dtrace_connection_t *c, const char *a, int p, const char *m,

	    const char *u, int fd) : (node_http_request_t *h, node_connection_t *c,

      string a, int p, string m, string u, int fd);

	probe http__server__response(node_dtrace_connection_t *c, const char *a,

	    int p, int fd) : (node_connection_t *c, string a, int p, int fd);

	probe http__client__request(node_dtrace_http_client_request_t *h,

	    node_dtrace_connection_t *c, const char *a, int p, const char *m,

	    const char *u, int fd) : (node_http_request_t *h, node_connection_t *c,

      string a, int p, string m, string u, int fd);

	probe http__client__response(node_dtrace_connection_t *c, const char *a,

	    int p, int fd) : (node_connection_t *c, string a, int p, int fd);

	probe gc__start(int t, int f);

	probe gc__done(int t, int f);

};

#pragma D attributes Evolving/Evolving/ISA provider node provider

#pragma D attributes Private/Private/Unknown provider node module

#pragma D attributes Private/Private/Unknown provider node function

#pragma D attributes Private/Private/ISA provider node name

#pragma D attributes Evolving/Evolving/ISA provider node args