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utun2/tests/test_call.c

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// test_call.c — интеграционный тест P2P аудио-звонка (сигналинг).
//
// Однопоточный: 2 узла (A=caller, B=callee) в одном процессе, один UASYNC.
// Прямое соединение A←B, оба в CHAT-группе. Master state-machine на таймере.
//
// Сценарий:
// 1. happy path: A call_start → B INCOMING → B accept → обе ACTIVE (ACCEPTED)
// → A hangup → обе ENDED.
// 2. decline: A call_start → B INCOMING → B decline → обе ENDED(DECLINE).
#include "chat_core.h"
#include "chat_sync.h"
#include "chat_event.h"
#include "member_sync.h"
#include "../call/call.h"
#include "../call/call_proto.h"
#include "../routing_layer/topo_node_sqlite.h"
#include "../routing_layer/topo_group.h"
#include "../routing_layer/topo_node.h"
#include "../routing_layer/conn_mgr_priv.h"
#include "../utun_instance.h"
#include "../transport_layer/etcp.h"
#include "../transport_layer/secure_channel.h"
#include "../ntp_time.h"
#include "../lib/u_async.h"
#include "../lib/debug_config.h"
#include "../lib/mem.h"
#include "../lib/platform_compat.h"
#include "test_utils.h"
#include <sqlite3.h>
#define OPENSSL_API_COMPAT 0x10100000L
#include <openssl/evp.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <time.h>
#define CH_ID "4242424242424242"
#define IDX_A 0
#define IDX_B 1
#define TICK_TB 100 /* 10 ms на такт */
#define MAX_TICKS 3000 /* глобальный таймаут ≈ 30 c */
enum call_phase {
P_WAIT_CONN,
P_SETUP,
P_WAIT_BGP,
P_CALL1_START, /* A: call_start */
P_WAIT_INCOMING1, /* B: INCOMING */
P_ACCEPT, /* B: call_accept */
P_WAIT_ACCEPTED, /* обе ACTIVE */
P_SEND_MEDIA, /* A: call_send_media (тестовый Opus-кадр) */
P_WAIT_MEDIA, /* B: media_recv_cb получил кадр */
P_HANGUP, /* A: call_hangup */
P_WAIT_ENDED1, /* обе ENDED */
P_CALL2_START, /* A: call_start (2-й звонок) */
P_WAIT_INCOMING2, /* B: INCOMING */
P_DECLINE, /* B: call_decline */
P_WAIT_ENDED2, /* обе ENDED + A DECLINED */
P_DONE,
};
struct call_ctx {
struct UASYNC* ua;
struct UTUN_INSTANCE* inst[2];
enum call_phase phase;
int result; /* 0=running, 1=ok, 2=fail */
int ticks;
void* timer;
uint64_t call_id; /* текущий call_id */
};
/* записи событий CHAT_EVT_CALL_* на узел */
struct call_evt {
int incoming, ringing, accepted, ended, declined;
uint64_t incoming_call_id;
uint64_t accepted_call_id;
uint64_t ended_call_id;
uint8_t ended_reason;
};
static struct call_evt g_ev[2]; /* [A], [B] */
/* записи принятых медиа-кадров (media_recv_cb) */
struct media_evt {
int frames;
uint64_t last_call_id;
int last_len;
uint8_t last[64];
};
static struct media_evt g_media[2];
static void media_recv_cb(struct UTUN_INSTANCE* inst, uint64_t call_id,
const uint8_t* opus, int len, void* arg) {
(void)inst;
struct media_evt* m = (struct media_evt*)arg;
if (!m) return;
m->frames++;
m->last_call_id = call_id;
m->last_len = len;
if (len > 0) memcpy(m->last, opus, (size_t)(len < 64 ? len : 64));
}
struct call_shared {
uint8_t ch_x_pub[32], ch_ed_pub[32], ch_ed_priv[32], ch_sig[64];
uint64_t nid[2];
uint8_t x_pub[2][32], x_priv[2][32], ed_pub[2][32];
int port[2];
};
static struct call_shared g_sh;
static int G_PASSED = 0, G_FAILED = 0, G_TOTAL = 0;
#define TEST(n) do { G_TOTAL++; printf(" %-58s", n); fflush(stdout); } while(0)
#define OK() do { G_PASSED++; printf("OK\n"); } while(0)
#define FAIL(f,...) do { G_FAILED++; printf("FAIL: " f "\n", ##__VA_ARGS__); } while(0)
/* ── крипто-хелперы ── */
static void gen_x25519(uint8_t pub[32], uint8_t priv[32]) {
EVP_PKEY_CTX* ctx = EVP_PKEY_CTX_new_id(EVP_PKEY_X25519, NULL);
EVP_PKEY* pkey = NULL;
EVP_PKEY_keygen_init(ctx); EVP_PKEY_keygen(ctx, &pkey); EVP_PKEY_CTX_free(ctx);
size_t l = 32; EVP_PKEY_get_raw_public_key(pkey, pub, &l);
l = 32; EVP_PKEY_get_raw_private_key(pkey, priv, &l);
EVP_PKEY_free(pkey);
}
static void gen_ed25519(uint8_t pub[32], uint8_t priv[32]) {
EVP_PKEY_CTX* ctx = EVP_PKEY_CTX_new_id(EVP_PKEY_ED25519, NULL);
EVP_PKEY* pkey = NULL;
EVP_PKEY_keygen_init(ctx); EVP_PKEY_keygen(ctx, &pkey); EVP_PKEY_CTX_free(ctx);
size_t l = 32; EVP_PKEY_get_raw_public_key(pkey, pub, &l);
l = 32; EVP_PKEY_get_raw_private_key(pkey, priv, &l);
EVP_PKEY_free(pkey);
}
static void to_hex(const uint8_t* bin, size_t n, char* out) {
for (size_t i = 0; i < n; i++) sprintf(out + i * 2, "%02x", bin[i]);
out[n * 2] = '\0';
}
static int wf(const char* p, const char* f, ...) {
va_list ap; FILE* fp = fopen(p, "w"); if (!fp) return -1;
va_start(ap, f); vfprintf(fp, f, ap); va_end(ap); fclose(fp); return 0;
}
/* ── генерация данных сценария + конфигов ── */
static void fill_shared(int base_port) {
memset(&g_sh, 0, sizeof(g_sh));
for (int i = 0; i < 2; i++) {
gen_x25519(g_sh.x_pub[i], g_sh.x_priv[i]);
sc_derive_ed25519_pubkey(g_sh.x_priv[i], g_sh.ed_pub[i]);
g_sh.nid[i] = sc_derive_node_id_from_pubkey(g_sh.x_pub[i]);
g_sh.port[i] = base_port + i * 1000;
}
{ uint8_t ch_x_priv[32]; gen_x25519(g_sh.ch_x_pub, ch_x_priv); }
gen_ed25519(g_sh.ch_ed_pub, g_sh.ch_ed_priv);
{
uint8_t msg[256]; size_t off = 0;
off += (size_t)snprintf((char*)msg + off, sizeof(msg) - off, "%s", CH_ID) + 1;
off += (size_t)snprintf((char*)msg + off, sizeof(msg) - off, "%s", "call-test") + 1;
memcpy(msg + off, &g_sh.nid[IDX_A], 8); off += 8;
memcpy(msg + off, g_sh.ch_x_pub, 32); off += 32;
memcpy(msg + off, g_sh.ch_ed_pub, 32); off += 32;
sc_ed25519_sign(g_sh.ch_ed_priv, msg, off, g_sh.ch_sig);
}
}
static void write_configs(const char* dir) {
for (int i = 0; i < 2; i++) {
char priv[65], pub[65], path[512], dbd[512];
to_hex(g_sh.x_priv[i], 32, priv);
to_hex(g_sh.x_pub[i], 32, pub);
snprintf(path, sizeof(path), "%s/%s.conf", dir, i == IDX_A ? "a" : "b");
snprintf(dbd, sizeof(dbd), "%s/db%s", dir, i == IDX_A ? "a" : "b");
utun_mkdir(dbd, 0755);
char client[512] = "";
if (i == IDX_B) {
/* B → A (клиент к A) */
char apub[65]; to_hex(g_sh.x_pub[IDX_A], 32, apub);
snprintf(client, sizeof(client),
"[client: to_a]\npeer_public_key=%s\nlink=s1:127.0.0.1:%d\n",
apub, g_sh.port[IDX_A]);
}
wf(path,
"[global]\ntun_ip=10.97.%d.1/24\ntun_ifname=tun%d0\ndb_path=%s/db%s\n"
"my_private_key=%s\nmy_public_key=%s\n"
"[server: s1]\naddr=127.0.0.1:%d\ntype=public\n"
"%s"
"[chatserver]\nstorage_autoload=0\n[allowed_keys]\nallow_all=1\n",
i, i, dir, i == IDX_A ? "a" : "b",
priv, pub, g_sh.port[i], client);
}
}
/* ── событийный обработчик ── */
static void call_evt_handler(struct UTUN_INSTANCE* inst, int type, const uint8_t* data, int len) {
struct call_evt* ev = (struct call_evt*)inst->test_user_ptr;
if (!ev) return;
switch (type) {
case CHAT_EVT_CALL_INCOMING: {
if (len < 1 + 8 + 8) return;
int ch_len = data[0];
if (len < 1 + ch_len + 8 + 8) return;
ev->incoming = 1;
memcpy(&ev->incoming_call_id, data + 1 + ch_len + 8, 8);
break;
}
case CHAT_EVT_CALL_RINGING:
ev->ringing = 1;
break;
case CHAT_EVT_CALL_ACCEPTED:
ev->accepted = 1;
if (len >= 8) memcpy(&ev->accepted_call_id, data, 8);
break;
case CHAT_EVT_CALL_ENDED:
ev->ended = 1;
if (len >= 9) { memcpy(&ev->ended_call_id, data, 8); ev->ended_reason = data[8]; }
break;
case CHAT_EVT_CALL_DECLINED:
ev->declined = 1;
break;
default:
break;
}
}
/* ── проверки ── */
static int conn_up(struct UTUN_INSTANCE* inst, uint64_t nid) {
struct ETCP_CONN* c = instance_find_conn(inst, nid);
return c && c->initialized && c->links_up;
}
static int bgp_has(struct UTUN_INSTANCE* inst, uint64_t nid) {
uint64_t gid = strtoull(CH_ID, NULL, 10);
struct TOPO_GROUP* g = topo_groups_find(inst->topo_groups, gid);
if (!g) return 0;
struct TOPO_GROUP_NODE* nq = topo_node_find_by_id(g, nid);
return nq && nq->paths && nq->paths->head;
}
/* ── настройка канала и мемберов ── */
static void channel_put_shared(struct UTUN_INSTANCE* inst, int has_priv) {
topo_node_sqlite_channel_put(inst->topo_sqlite_db, CH_ID, "call-test", g_sh.nid[IDX_A],
g_sh.ch_x_pub, NULL, g_sh.ch_ed_pub, has_priv ? g_sh.ch_ed_priv : NULL, g_sh.ch_sig);
chat_core_ensure_channel_ready(inst, CH_ID);
}
static void member_put_self(struct UTUN_INSTANCE* inst, const char* name) {
uint64_t join_ts = (uint64_t)ntp_time_get_seconds(inst);
uint8_t jm[128];
int jl = member_sync_build_join_msg(g_sh.ch_x_pub, g_sh.ch_ed_pub, inst->node_id,
inst->my_keys.public_key, join_ts, jm, (int)sizeof(jm));
uint8_t join_sig[64]; sc_ed25519_sign(inst->my_ed25519_privkey, jm, (size_t)jl, join_sig);
char userinfo[256]; snprintf(userinfo, sizeof(userinfo), "{\"name\":\"%s\"}", name);
member_sync_put(inst, CH_ID, inst->node_id, inst->my_keys.public_key, inst->my_ed25519_pubkey,
join_sig, join_ts, NULL, 0, userinfo, NULL, NULL, 0, 0, NULL);
}
static void member_put_placeholder(struct UTUN_INSTANCE* inst, int idx, const char* name) {
char userinfo[256]; snprintf(userinfo, sizeof(userinfo), "{\"name\":\"%s\"}", name);
member_sync_put(inst, CH_ID, g_sh.nid[idx], g_sh.x_pub[idx], g_sh.ed_pub[idx],
NULL, 0, NULL, 0, userinfo, NULL, NULL, 0, 0, NULL);
}
static void do_setup(struct UTUN_INSTANCE* inst, int role) {
switch (role) {
case IDX_A:
channel_put_shared(inst, 1);
member_put_self(inst, "A");
member_put_placeholder(inst, IDX_B, "B");
member_sync_start(inst, g_sh.nid[IDX_B], CH_ID, NULL, NULL);
break;
case IDX_B:
channel_put_shared(inst, 0);
member_put_self(inst, "B");
member_put_placeholder(inst, IDX_A, "A");
member_sync_start(inst, g_sh.nid[IDX_A], CH_ID, NULL, NULL);
break;
}
}
/* ── master state-machine ── */
static void call_tick(void* arg) {
struct call_ctx* t = arg;
t->timer = NULL;
if (t->result) return;
struct UTUN_INSTANCE* A = t->inst[IDX_A];
struct UTUN_INSTANCE* B = t->inst[IDX_B];
uint64_t na = g_sh.nid[IDX_A], nb = g_sh.nid[IDX_B];
struct call_evt* ea = &g_ev[IDX_A];
struct call_evt* eb = &g_ev[IDX_B];
switch (t->phase) {
case P_WAIT_CONN:
if (conn_up(A, nb) && conn_up(B, na)) t->phase = P_SETUP;
break;
case P_SETUP:
do_setup(A, IDX_A);
do_setup(B, IDX_B);
t->phase = P_WAIT_BGP;
break;
case P_WAIT_BGP:
if (bgp_has(A, nb) && bgp_has(B, na)) t->phase = P_CALL1_START;
break;
case P_CALL1_START:
memset(ea, 0, sizeof(*ea));
memset(eb, 0, sizeof(*eb));
t->call_id = ((uint64_t)1 << 40) | (uint64_t)(rand() & 0xFFFFF);
call_start(A, CH_ID, nb, t->call_id);
t->phase = P_WAIT_INCOMING1;
break;
case P_WAIT_INCOMING1:
if (eb->incoming && eb->incoming_call_id == t->call_id) t->phase = P_ACCEPT;
break;
case P_ACCEPT:
call_accept(B, t->call_id);
t->phase = P_WAIT_ACCEPTED;
break;
case P_WAIT_ACCEPTED:
if (ea->accepted && eb->accepted && ea->accepted_call_id == t->call_id) t->phase = P_SEND_MEDIA;
break;
case P_SEND_MEDIA: {
// Потеря CM-пути не завершает звонок; роутер продолжает доставку.
struct TOPO_GROUP* g = topo_groups_find(A->topo_groups, strtoull(CH_ID, NULL, 10));
struct CONN_MGR_ENTRY* ce = cm_find_entry(g->conn_mgr, nb);
if (ce) {
cm_deliver_event(ce, CONN_EVENT_DOWN);
cm_deliver_event(ce, CONN_EVENT_TIMEOUT);
}
struct ETCP_CONN* conn = instance_find_conn(A, nb);
if (conn) {
etcp_fire_conn_status(conn, ETCP_CONN_STATUS_DOWN);
etcp_fire_conn_status(conn, ETCP_CONN_STATUS_UP);
}
if (ea->ended || eb->ended) { fprintf(stderr, "temporary path loss ended call\n"); t->result = 2; break; }
/* тестовый «Opus-кадр» — релей произвольных байт, не валидируем кодек */
static const uint8_t opus[16] = { 0xf8, 0xff, 0xfe, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d };
if (call_send_media(A, t->call_id, opus, sizeof(opus)) != 0) {
fprintf(stderr, "A: call_send_media failed\n");
t->result = 2;
} else {
t->phase = P_WAIT_MEDIA;
}
break;
}
case P_WAIT_MEDIA:
if (g_media[IDX_B].frames > 0 && g_media[IDX_B].last_call_id == t->call_id
&& g_media[IDX_B].last_len == 16) t->phase = P_HANGUP;
break;
case P_HANGUP:
call_hangup(A, t->call_id);
t->phase = P_WAIT_ENDED1;
break;
case P_WAIT_ENDED1:
if (ea->ended && eb->ended && ea->ended_call_id == t->call_id) t->phase = P_CALL2_START;
break;
case P_CALL2_START:
memset(ea, 0, sizeof(*ea));
memset(eb, 0, sizeof(*eb));
t->call_id = ((uint64_t)2 << 40) | (uint64_t)(rand() & 0xFFFFF);
call_start(A, CH_ID, nb, t->call_id);
t->phase = P_WAIT_INCOMING2;
break;
case P_WAIT_INCOMING2:
if (eb->incoming && eb->incoming_call_id == t->call_id) t->phase = P_DECLINE;
break;
case P_DECLINE:
call_decline(B, t->call_id);
t->phase = P_WAIT_ENDED2;
break;
case P_WAIT_ENDED2:
if (ea->ended && eb->ended && ea->declined) t->phase = P_DONE;
break;
case P_DONE:
t->result = 1;
uasync_stop(t->ua);
return;
}
if (t->phase == P_DONE) { t->result = 1; uasync_stop(t->ua); return; }
if (++t->ticks > MAX_TICKS) {
fprintf(stderr, "test: timeout in phase %d (A_conn=%d B_conn=%d evA:inc=%d acc=%d end=%d dec=%d evB:inc=%d acc=%d end=%d dec=%d)\n",
(int)t->phase, conn_up(A, nb), conn_up(B, na),
ea->incoming, ea->accepted, ea->ended, ea->declined,
eb->incoming, eb->accepted, eb->ended, eb->declined);
t->result = 2;
uasync_stop(t->ua);
return;
}
t->timer = uasync_set_timeout(t->ua, TICK_TB, t, call_tick, "call_tick");
}
/* ── main ── */
int main(int argc, char** argv) {
(void)argc; (void)argv;
debug_config_init(); debug_set_level(DEBUG_LEVEL_ERROR);
if (getenv("UTUN_TEST_DEBUG")) {
debug_set_category_level_by_name("call", "trace");
debug_set_category_level_by_name("bgp", "info");
debug_set_category_level_by_name("etcp_route", "info");
debug_set_category_level_by_name("member_sync", "info");
debug_set_category_level_by_name("chat_sync", "info");
}
utun_instance_set_tun_init_enabled(0);
srand((unsigned)time(NULL));
char dir[512]; snprintf(dir, sizeof(dir), "/tmp/utun_call_XXXXXX");
if (test_mkdtemp(dir) != 0) { fprintf(stderr, "mkdtemp failed\n"); return 1; }
test_setenv("UTUN_TEST_DIR", dir, 1);
fill_shared(56000 + (getpid() % 2000));
write_configs(dir);
printf("=== test_call ===\n"); fflush(stdout);
TEST("single-thread: call happy path + decline (2 nodes)"); {
struct UASYNC* ua = uasync_create();
if (!ua) { FAIL("uasync_create failed"); return 1; }
struct call_ctx t;
memset(&t, 0, sizeof(t));
t.ua = ua;
t.phase = P_WAIT_CONN;
char cfgA[512], cfgB[512];
snprintf(cfgA, sizeof(cfgA), "%s/a.conf", dir);
snprintf(cfgB, sizeof(cfgB), "%s/b.conf", dir);
t.inst[IDX_A] = utun_instance_create(ua, cfgA);
t.inst[IDX_B] = utun_instance_create(ua, cfgB);
if (!t.inst[IDX_A] || !t.inst[IDX_B]) {
FAIL("instance create failed A=%p B=%p", (void*)t.inst[IDX_A], (void*)t.inst[IDX_B]);
uasync_destroy(ua, 0);
return 1;
}
utun_instance_init(t.inst[IDX_A]);
utun_instance_init(t.inst[IDX_B]);
t.inst[IDX_A]->test_user_ptr = &g_ev[IDX_A];
t.inst[IDX_B]->test_user_ptr = &g_ev[IDX_B];
chat_event_set_handler(t.inst[IDX_A], call_evt_handler);
chat_event_set_handler(t.inst[IDX_B], call_evt_handler);
call_set_media_recv_cb(t.inst[IDX_A], media_recv_cb, &g_media[IDX_A]);
call_set_media_recv_cb(t.inst[IDX_B], media_recv_cb, &g_media[IDX_B]);
t.timer = uasync_set_timeout(ua, TICK_TB, &t, call_tick, "call_tick");
uasync_mainloop(ua);
int ok = (t.result == 1);
if (t.inst[IDX_A]) utun_instance_destroy(t.inst[IDX_A]);
if (t.inst[IDX_B]) utun_instance_destroy(t.inst[IDX_B]);
uasync_poll(ua, 0);
uasync_destroy(ua, 0);
if (ok) OK(); else FAIL("result=%d phase=%d", t.result, (int)t.phase);
}
char cmd[512]; snprintf(cmd, sizeof(cmd), "rm -rf %s", dir); (void)!system(cmd);
printf("\n%d/%d passed, %d failed\n", G_PASSED, G_TOTAL, G_FAILED);
return G_FAILED > 0 ? 1 : 0;
}