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73c55eec1d
Freely copying from gtp-load-gen.c, implement GTP flooding in osmo-pfcp-tool scripts. Add dependency liburing. It can be disabled with configure --disable-uring in which case the new 'gtp flood' command only logs an error. This verbosely commented example script serves as a good explanation: contrib/osmo-pfcp-tool-scripts/gtp_flood.vty Related: SYS#6590 Change-Id: I332aa0e2efd55f6e357cde4752a3d8b584db531b
39 lines
1.0 KiB
C
39 lines
1.0 KiB
C
#pragma once
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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struct osmo_sockaddr;
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/* A value large enough for an IPv6 address (128bit) */
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struct range_val {
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uint64_t buf[2];
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size_t size;
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};
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/* Manage stepping through a defined range of values large enough to handle IPv6 addresses. */
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struct range {
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struct range_val first;
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struct range_val last;
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struct range_val next;
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bool wrapped;
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};
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/* struct range r = {};
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* range_val_set_int(&r.first, 23);
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* range_val_set_int(&r.last, 42);
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* while (1) {
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* range_next();
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* unsigned int val = range_val_get_int(&r.next);
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* printf("%u\n", val);
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* }
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*/
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void range_next(struct range *r);
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void range_val_set_int(struct range_val *rv, uint32_t val);
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uint32_t range_val_get_int(const struct range_val *rv);
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void range_val_set_addr(struct range_val *rv, const struct osmo_sockaddr *val);
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void range_val_get_addr(struct osmo_sockaddr *dst, const struct range_val *rv);
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void range_val_inc(struct range_val *rv);
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int range_val_cmp(const struct range_val *a, const struct range_val *b);
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