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93 lines
3.3 KiB
93 lines
3.3 KiB
/* Copyright Joyent, Inc. and other Node contributors.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to permit
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* persons to whom the Software is furnished to do so, subject to the
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* following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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* NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* This is the DTrace library file for the node provider, which includes
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* the necessary translators to get from the args[] to something useful.
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* Be warned: the mechanics here are seriously ugly -- and one must always
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* keep in mind that clean abstractions often require filthy systems.
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*/
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#pragma D depends_on library procfs.d
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typedef struct {
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int32_t fd;
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int32_t port;
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uint32_t remote;
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uint32_t buffered;
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} node_dtrace_connection_t;
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typedef struct {
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int32_t fd;
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int32_t port;
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uint64_t remote;
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uint32_t buffered;
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} node_dtrace_connection64_t;
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typedef struct {
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int fd;
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string remoteAddress;
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int remotePort;
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int bufferSize;
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} node_connection_t;
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translator node_connection_t <node_dtrace_connection_t *nc> {
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fd = *(int32_t *)copyin((uintptr_t)&nc->fd, sizeof (int32_t));
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remotePort =
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*(int32_t *)copyin((uintptr_t)&nc->port, sizeof (int32_t));
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remoteAddress = curpsinfo->pr_dmodel == PR_MODEL_ILP32 ?
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copyinstr((uintptr_t)*(uint32_t *)copyin((uintptr_t)&nc->remote,
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sizeof (int32_t))) :
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copyinstr((uintptr_t)*(uint64_t *)copyin((uintptr_t)
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&((node_dtrace_connection64_t *)nc)->remote, sizeof (int64_t)));
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bufferSize = curpsinfo->pr_dmodel == PR_MODEL_ILP32 ?
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*(uint32_t *)copyin((uintptr_t)&nc->buffered, sizeof (int32_t)) :
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*(uint32_t *)copyin((uintptr_t)
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&((node_dtrace_connection64_t *)nc)->buffered, sizeof (int32_t));
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};
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typedef struct {
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uint32_t url;
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uint32_t method;
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} node_dtrace_http_request_t;
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typedef struct {
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uint64_t url;
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uint64_t method;
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} node_dtrace_http_request64_t;
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typedef struct {
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string url;
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string method;
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} node_http_request_t;
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translator node_http_request_t <node_dtrace_http_request_t *nd> {
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url = curpsinfo->pr_dmodel == PR_MODEL_ILP32 ?
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copyinstr((uintptr_t)*(uint32_t *)copyin((uintptr_t)&nd->url,
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sizeof (int32_t))) :
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copyinstr((uintptr_t)*(uint64_t *)copyin((uintptr_t)
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&((node_dtrace_http_request64_t *)nd)->url, sizeof (int64_t)));
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method = curpsinfo->pr_dmodel == PR_MODEL_ILP32 ?
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copyinstr((uintptr_t)*(uint32_t *)copyin((uintptr_t)&nd->method,
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sizeof (int32_t))) :
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copyinstr((uintptr_t)*(uint64_t *)copyin((uintptr_t)
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&((node_dtrace_http_request64_t *)nd)->method, sizeof (int64_t)));
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};
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