1 files changed, 91 insertions, 0 deletions
diff --git a/hicn-light/src/hicn/core/prefix_stats.h b/hicn-light/src/hicn/core/prefix_stats.h
new file mode 100644
index 000000000..257f6b44d
--- /dev/null
+++ b/hicn-light/src/hicn/core/prefix_stats.h
@@ -0,0 +1,91 @@
+
+#ifndef HICNLIGHT_PREFIX_STATS_H
+#define HICNLIGHT_PREFIX_STATS_H
+
+#ifdef WITH_PREFIX_STATS
+
+typedef struct prefix_stats_mgr_s {
+    void * forwarder;
+    int timer_fd;
+} prefix_stats_mgr_t;
+
+
+/* PER-INTERFACE PREFIX STATS */
+
+typedef struct {
+    float throughput;
+    float latency;
+    float loss_rate;
+} interface_stats_t;
+
+/* PREFIX STATS */
+
+typedef struct {
+    interface_stats_t wired;
+    interface_stats_t wifi;
+    interface_stats_t cellular;
+    interface_stats_t all;
+} prefix_stats_t;
+
+typedef struct {
+    uint32_t num_packets;
+    uint32_t num_bytes;
+    uint32_t num_losses;
+    uint32_t latency_idle;
+} interface_counters_t;
+
+typedef struct {
+    interface_counters_t wired;
+    interface_counters_t wifi;
+    interface_counters_t cellular;
+    interface_counters_t all;
+    uint64_t last_update;
+} prefix_counters_t;
+
+#define INTERFACE_STATS_EMPTY (interface_stats_t) {             \
+    .throughput = 0,                                            \
+    .latency = 0,                                               \
+    .loss_rate = 0,                                             \
+}
+
+#define PREFIX_STATS_EMPTY (prefix_stats_t) {                   \
+    .wired    = INTERFACE_STATS_EMPTY,                          \
+    .wifi     = INTERFACE_STATS_EMPTY,                          \
+    .cellular = INTERFACE_STATS_EMPTY,                          \
+    .all      = INTERFACE_STATS_EMPTY,                          \
+}
+
+#define INTERFACE_COUNTERS_EMPTY (interface_counters_t) {       \
+    .num_packets = 0,                                           \
+    .num_bytes = 0,                                             \
+    .num_losses = 0,                                            \
+    .latency_idle = 0,                                          \
+}
+
+#define PREFIX_COUNTERS_EMPTY (prefix_counters_t) {             \
+    .wired    = INTERFACE_COUNTERS_EMPTY,                       \
+    .wifi     = INTERFACE_COUNTERS_EMPTY,                       \
+    .cellular = INTERFACE_COUNTERS_EMPTY,                       \
+    .all      = INTERFACE_COUNTERS_EMPTY,                       \
+    .last_update = 0,                                           \
+}
+
+int prefix_stats_mgr_initialize(prefix_stats_mgr_t * mgr, void * forwarder);
+
+void prefix_stats_mgr_finalize(prefix_stats_mgr_t * mgr);
+
+void prefix_stats_on_retransmission(const prefix_stats_mgr_t * mgr,
+        prefix_counters_t * countrs, const nexthops_t * nexthops);
+
+void prefix_stats_on_data(const prefix_stats_mgr_t * mgr, prefix_stats_t * stats,
+        prefix_counters_t * counters, const nexthops_t * nexthops,
+        const msgbuf_t * msgbuf, Ticks rtt);
+
+void prefix_stats_on_timeout(const prefix_stats_mgr_t * mgr, prefix_counters_t * counters,
+        const nexthops_t * nexthops);
+
+void prefix_stats_update(prefix_stats_t * stats, prefix_counters_t * counters, uint64_t now);
+
+#endif /* WITH_PREFIX_STATS */
+
+#endif /* HICNLIGHT_PREFIX_STATS_H */