42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
#include <assert.h>
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#include <time.h>
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#include <jansson.h>
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#include "buf.h"
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#include "json.h"
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#include "packet.h"
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#include "stats.h"
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static struct stats_state {
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uint64_t total_count;
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uint64_t type_count[NUM_TYPES];
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struct timespec start;
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} stats_state = { 0 };
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void stats_init() {
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assert(clock_gettime(CLOCK_MONOTONIC, &stats_state.start) == 0);
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}
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void stats_serialize(struct packet *packet, struct buf *buf) {
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if (packet) {
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stats_state.total_count++;
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stats_state.type_count[packet->type]++;
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}
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if (stats_state.total_count % 1000 != 0) {
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return;
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}
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json_t *counts = json_object();
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for (int i = 0; i < NUM_TYPES; i++) {
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json_object_set_new(counts, packet_type_names[i], json_integer(stats_state.type_count[i]));
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}
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struct timespec now;
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assert(clock_gettime(CLOCK_MONOTONIC, &now) == 0);
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json_t *out = json_pack("{sIso}",
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"uptime_seconds", (json_int_t) (now.tv_sec - stats_state.start.tv_sec),
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"packet_counts", counts);
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assert(json_dump_callback(out, json_buf_append_callback, buf, 0) == 0);
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json_decref(out);
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buf_chr(buf, buf->length++) = '\n';
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}
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