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Inline addr_cpy() in the header (#1892)

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Same pattern as the get_ioa_addr_len() inline: addr_cpy() is a
single-memcpy helper that fires on every receive (each packet dispatch
copies the source address into ioa_net_data, plus allocation/permission
map-key copies). Cross-TU it stays a real function call.

Combined with the previous four iterations (turn_server_get_engine
hoist, bandwidth fast-exit + dead-check removal, cached relay-socket and
buffer-size lookups, get_ioa_addr_len inline), the alternating A/B run
on the same c-4 nyc1 droplet now shows a consistent +5% throughput on
the m=1 packet flood test (recv_msgs/30s mean over 6 rounds: B=146984 /
I=155468).
This commit is contained in:
Pavel Punsky
2026-05-03 20:14:56 -07:00
committed by GitHub
parent 23e8538657
commit a619d9d6d9
2 changed files with 11 additions and 6 deletions
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src/client/ns_turn_ioaddr.c
+1 -5
View File
@@ -152,11 +152,7 @@ uint32_t addr_hash_no_port(const ioa_addr *addr) {
return ret;
}
void addr_cpy(ioa_addr *dst, const ioa_addr *src) {
if (dst && src) {
memcpy(dst, src, sizeof(ioa_addr));
}
}
/* addr_cpy is now defined as static inline in ns_turn_ioaddr.h. */
void addr_cpy4(ioa_addr *dst, const struct sockaddr_in *src) {
if (src && dst) {
src/client/ns_turn_ioaddr.h
+10 -1
View File
@@ -69,7 +69,16 @@ int addr_any(const ioa_addr *addr);
int addr_any_no_port(const ioa_addr *addr);
uint32_t addr_hash(const ioa_addr *addr);
uint32_t addr_hash_no_port(const ioa_addr *addr);
void addr_cpy(ioa_addr *dst, const ioa_addr *src);
/* Inlined: addr_cpy is on the per-packet receive path (every nd.src_addr
* dispatch and every map-key copy) and is just a single memcpy. Inlining
* eliminates the cross-TU call. */
static inline void addr_cpy(ioa_addr *dst, const ioa_addr *src) {
if (dst && src) {
memcpy(dst, src, sizeof(ioa_addr));
}
}
void addr_cpy4(ioa_addr *dst, const struct sockaddr_in *src);
void addr_cpy6(ioa_addr *dst, const struct sockaddr_in6 *src);
int addr_eq(const ioa_addr *a1, const ioa_addr *a2);