jeka/utun2
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Centralize default stream input capacity with batch overhead

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evgeny committed 2026-10-13 20:09:14 +02:00
1 parent 0e9478d033
commit 6a5bb84d71
2 files changed
+5 -1
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src/stream/stream.c
+1 -1
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@@ -599,7 +599,7 @@ int stream_publish_open(struct UTUN_INSTANCE *inst, uint64_t group_id, const str
int result = stream_open_check(inst, group_id, out); int result = stream_open_check(inst, group_id, out);
if (result != STREAM_OK) return result; if (result != STREAM_OK) return result;
struct stream_descriptor d = {.group_id = group_id, .source_node_id = inst->node_id, struct stream_descriptor d = {.group_id = group_id, .source_node_id = inst->node_id,
.n = parameters ? parameters->n : 8, .r = parameters ? parameters->r : 2, .n = parameters ? parameters->n : STREAM_DEFAULT_N, .r = parameters ? parameters->r : STREAM_DEFAULT_R,
.block_size = parameters ? parameters->block_size : STREAM_RS_DEFAULT_SIZE}; .block_size = parameters ? parameters->block_size : STREAM_RS_DEFAULT_SIZE};
do { do {
if (random_bytes((uint8_t *)&d.source_epoch, sizeof(d.source_epoch)) != 0) { if (random_bytes((uint8_t *)&d.source_epoch, sizeof(d.source_epoch)) != 0) {
src/stream/stream_proto.h
+4
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@@ -31,6 +31,10 @@
#define STREAM_BATCH_OVERHEAD (STREAM_BATCH_HEADER + SC_SIGN_SIZE) #define STREAM_BATCH_OVERHEAD (STREAM_BATCH_HEADER + SC_SIGN_SIZE)
#define STREAM_BLOCK_DEFAULT_SIZE 1300 #define STREAM_BLOCK_DEFAULT_SIZE 1300
#define STREAM_RS_DEFAULT_SIZE (STREAM_BLOCK_DEFAULT_SIZE - STREAM_BLOCK_OVERHEAD) #define STREAM_RS_DEFAULT_SIZE (STREAM_BLOCK_DEFAULT_SIZE - STREAM_BLOCK_OVERHEAD)
#define STREAM_DEFAULT_N 8
#define STREAM_DEFAULT_R 2
#define STREAM_DEFAULT_INPUT_CAPACITY \
((STREAM_DEFAULT_N - STREAM_DEFAULT_R) * (STREAM_RS_DEFAULT_SIZE - RS_HEADER_SIZE) - STREAM_BATCH_OVERHEAD)
#define STREAM_BLOCK_MAX_SIZE (RS_MAX_BLOCK_SIZE + STREAM_BLOCK_OVERHEAD) #define STREAM_BLOCK_MAX_SIZE (RS_MAX_BLOCK_SIZE + STREAM_BLOCK_OVERHEAD)
#define STREAM_BLOCK_TIME_RESET 0x01 #define STREAM_BLOCK_TIME_RESET 0x01
#define STREAM_BUFFER_BYTES (32u * 1024u * 1024u) #define STREAM_BUFFER_BYTES (32u * 1024u * 1024u)