test(ncm): M10 宿主回归三套（44 断言）+ 构建脚本 + REPORT §42
- bench/retry_storm_sim.c（25 断言）：真实 retry_ctl.c/meta_gate.c，100ms tick 断网 120s→4 次/间隔 ≥30s；状态每 tick 抖动→2 次；时钟回退→不立即重试且间隔仍 ≥30s； worker 45s>间隔→不并发；META 空闲 3 帧/60s（旧 600）、播放 13 帧（≤1/5s）、 状态抖动 ≤4 帧/秒、元数据变化/seek 立即报、超长标题截断不重报、回退不连发。 - bench/home_retry_sim.c（13 断言）：真实 app/ui/home.c 的 home_tick 编进宿主 （--gc-sections + 桩），断网 120s→4 次重试、单飞、全帧重绘 0 次； 把真机形态的垃圾 64 位 now 喂给 home_tick 仍为 4 次/≥30s；回在线再断网不清基准。 - bench/meta_ipc_sim.c（6 断言）：真实 ipc_media 线程 + 假 launcher AF_UNIX socket， 空闲 2s 只收到 1 帧 META（旧 ~10 帧），状态翻转恰好多 1 帧，帧头合法。 - build_ncm.sh / build_ncm_host.sh：源列表加 retry_ctl.c、meta_gate.c（host 补 mem_watch.c，否则 player_manager 链接失败）；build_ncm_sims.sh 加三个 sim。 - REPORT §42：真机日志证据（时间戳低/高 32 位拆解、21016 帧 META）、根因三链、 实现、验证（session_gate 88 / http_truncate 13 / core 139 全过）、真机验证建议。
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/* bench/meta_ipc_sim.c — M10：真实 app/play/ipc_media.c 的 META 上报频率回归（假 launcher socket）。
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*
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* 真机证据：launcher meow_20261105_122541.log 单次启动 21016 条
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* `ipc: META app=dev.player.ncm state=0 pos=0/0 rc=0 -> ACK`，间隔 ~100ms。
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* 旧 ipc_media 用 `now(meow_ui_time_ms) - last_meta >= 1000` 做 1s 心跳；真机该值高 32 位是垃圾
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* （REPORT §42）→ 条件恒真 → 每个 IPC 轮次（200ms poll）都发一帧。
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*
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* 本测试把真实 ipc_media.c 编进宿主（--gc-sections 只保留 ipc_media_start 调用链），
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* 在临时目录起一个 AF_UNIX “假 launcher”，统计 App 真正发出的 MSG_META 帧数：
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* A. 空闲（无播放、无元数据）2s → 只应有 1 帧（注册媒体源），旧实现为 ~10 帧；
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* B. 播放态翻转一次 → 只多 1 帧（状态变化立即上报），之后持续播放 2s 不再刷屏；
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* C. 帧格式合法（magic/version/app_id），且没有 MSG_META 以外的上行帧。
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*
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* 编译（ncm_app 目录下）：
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* gcc -O2 -Wall -Wextra -ffunction-sections -fdata-sections -DMEOW_UI_HOST_TEST -DJSMN_HEADER \
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* -I. -I../sdk -I../sdk/include -I../meow_launcherd -Icore -Ivendor/jsmn \
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* -c app/play/ipc_media.c -o out/chk/ipc_m10.o
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* gcc -O2 -Wall -Wextra -ffunction-sections -fdata-sections -DMEOW_UI_HOST_TEST -DJSMN_HEADER \
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* -I. -I../sdk -I../sdk/include -I../meow_launcherd -Icore -Ivendor/jsmn \
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* -c app/play/meta_gate.c -o out/chk/meta_gate_m10.o
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* gcc -O2 -Wall -Wextra -ffunction-sections -fdata-sections -DMEOW_UI_HOST_TEST -DJSMN_HEADER \
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* -I. -I../sdk -I../sdk/include -I../meow_launcherd -Icore -Ivendor/jsmn \
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* -c bench/meta_ipc_sim.c -o out/chk/meta_ipc_sim.o
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* gcc -Wl,--gc-sections -o meta_ipc_sim out/chk/ipc_m10.o out/chk/meta_gate_m10.o \
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* out/chk/meta_ipc_sim.o -lpthread
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* ./meta_ipc_sim
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <poll.h>
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#include <time.h>
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#include <pthread.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <sys/stat.h>
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#include "../app/ncm_app_internal.h"
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#include "meow_ipc.h"
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/* ---- app.c 全局 ---- */
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ncm_app_state_t g_st;
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ncm_play_run_t g_play = { .mu = PTHREAD_MUTEX_INITIALIZER,
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.state = NCM_PC_STOPPED, .cur_song = -1 };
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volatile int g_app_quit = 0;
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volatile int g_net_ready = 0;
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int g_host_mock = 0;
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static int g_pass, g_fail;
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#define CHECK(cond, ...) do { \
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int _ok = (cond) ? 1 : 0; \
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printf(" %s ", _ok ? "PASS" : "FAIL"); printf(__VA_ARGS__); printf("\n"); \
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if (_ok) g_pass++; else g_fail++; \
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} while (0)
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/* ---- 播放器桩（本测试只关心「有没有播放/元数据变化」） ---- */
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static volatile int g_pm_state = NCM_PC_STOPPED;
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int player_manager_state(void) { return g_pm_state; }
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int player_manager_playing_song(void) { return -1; }
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int player_manager_current_song(ncm_song_t *out) { (void)out; return -1; }
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void player_manager_pause(int on) { g_pm_state = on ? NCM_PC_PAUSED : NCM_PC_PLAYING; }
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void player_manager_next(int dir) { (void)dir; }
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void player_manager_seek(int64_t ms) { (void)ms; }
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const char *cover_current_path(void) { return ""; }
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int lyric_count(void) { return 0; }
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/* ---- 日志/时间桩 ---- */
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static volatile int g_meta_logs;
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void meow_log(meow_log_level lvl, const char *fmt, ...)
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{
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(void)fmt;
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if (lvl == MEOW_LOG_DEBUG) g_meta_logs++;
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}
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int64_t ncm_monotonic_ms(void)
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{
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struct timespec ts;
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clock_gettime(CLOCK_MONOTONIC, &ts);
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return (int64_t)ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
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}
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size_t ncm_strlcpy(char *dst, const char *src, size_t cap)
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{
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size_t n = 0;
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if (!dst || cap == 0) return src ? strlen(src) : 0;
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if (src) { for (; src[n] && n + 1 < cap; n++) dst[n] = src[n]; }
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dst[n] = 0;
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return n;
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}
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/* ============================================================
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* 假 launcher：AF_UNIX 服务端 + 帧计数
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* ============================================================ */
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static int g_srv = -1, g_cli = -1;
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static char g_sock_path[256];
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static int g_bad_frames;
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static char g_last_app_id[64];
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static void set_play_state(int st)
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{
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pthread_mutex_lock(&g_play.mu);
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g_play.state = st; /* META 的 state 取自 g_play（与真实播放线程同源） */
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g_play.err = 0;
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pthread_mutex_unlock(&g_play.mu);
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}
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static void put_hdr(uint8_t *h, uint16_t type, uint32_t req, uint32_t len)
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{
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uint32_t magic = MEOW_IPC_MAGIC;
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uint16_t ver = MEOW_IPC_VERSION;
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memcpy(h + 0, &magic, 4); memcpy(h + 4, &ver, 2);
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memcpy(h + 6, &type, 2); memcpy(h + 8, &req, 4);
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memcpy(h + 12, &len, 4);
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}
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static int srv_open(void)
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{
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snprintf(g_sock_path, sizeof g_sock_path, "%s/m10_ipc.sock",
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getenv("TMPDIR") && getenv("TMPDIR")[0] ? getenv("TMPDIR") : "/tmp");
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unlink(g_sock_path);
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g_srv = socket(AF_UNIX, SOCK_STREAM, 0);
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if (g_srv < 0) return -1;
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struct sockaddr_un a;
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memset(&a, 0, sizeof a);
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a.sun_family = AF_UNIX;
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snprintf(a.sun_path, sizeof a.sun_path, "%s", g_sock_path);
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if (bind(g_srv, (struct sockaddr *)&a, sizeof a) != 0) return -1;
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if (listen(g_srv, 1) != 0) return -1;
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setenv("MEOW_IPC_SOCK", g_sock_path, 1);
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return 0;
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}
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/* 收一帧（带超时）。返回帧长（负载），*type 出帧类型；-1=超时/断开。 */
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static int srv_read(int timeout_ms, uint16_t *type, uint8_t *buf, int cap)
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{
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struct pollfd p = { .fd = g_cli, .events = POLLIN };
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if (poll(&p, 1, timeout_ms) <= 0) return -1;
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uint8_t hdr[MEOW_IPC_HDR_LEN];
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size_t off = 0;
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while (off < sizeof hdr) {
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ssize_t r = read(g_cli, hdr + off, sizeof hdr - off);
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if (r <= 0) return -1;
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off += (size_t)r;
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}
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uint32_t magic, len; uint16_t ver;
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memcpy(&magic, hdr, 4); memcpy(&ver, hdr + 4, 2);
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memcpy(type, hdr + 6, 2); memcpy(&len, hdr + 12, 4);
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if (magic != MEOW_IPC_MAGIC || ver != MEOW_IPC_VERSION || len > (uint32_t)cap) {
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g_bad_frames++;
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return -1;
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}
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off = 0;
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while (off < len) {
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ssize_t r = read(g_cli, buf + off, len - off);
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if (r <= 0) return -1;
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off += (size_t)r;
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}
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return (int)len;
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}
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/* 收 HELLO 并回一帧 ACK（ipc_thread 等这一帧才进入主循环）。 */
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static int srv_handshake(void)
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{
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struct pollfd p = { .fd = g_srv, .events = POLLIN };
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if (poll(&p, 1, 2000) <= 0) return -1;
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g_cli = accept(g_srv, NULL, NULL);
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if (g_cli < 0) return -1;
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uint8_t buf[MEOW_IPC_MAX]; uint16_t type = 0;
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if (srv_read(2000, &type, buf, sizeof buf) < 0) return -1;
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if (type != MSG_HELLO) return -1;
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m_hello_t hh;
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memset(&hh, 0, sizeof hh);
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memcpy(&hh, buf, sizeof hh < sizeof buf ? sizeof hh : sizeof buf);
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snprintf(g_last_app_id, sizeof g_last_app_id, "%s", hh.app_id);
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uint8_t out[MEOW_IPC_HDR_LEN + sizeof(m_ack_t)];
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m_ack_t ack; memset(&ack, 0, sizeof ack); ack.code = MEOW_OK;
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put_hdr(out, MSG_ACK, 1, (uint32_t)sizeof ack);
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memcpy(out + MEOW_IPC_HDR_LEN, &ack, sizeof ack);
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return (write(g_cli, out, sizeof out) == (ssize_t)sizeof out) ? 0 : -1;
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}
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/* 收 run_ms 内的全部上行帧，按类型计数。 */
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static void srv_collect(int run_ms, int *meta, int *other)
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{
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int64_t end = ncm_monotonic_ms() + run_ms;
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uint8_t buf[MEOW_IPC_MAX];
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*meta = *other = 0;
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while (ncm_monotonic_ms() < end) {
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uint16_t type = 0;
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int n = srv_read(50, &type, buf, sizeof buf);
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if (n < 0) continue;
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if (type == MSG_META) (*meta)++;
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else (*other)++;
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}
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}
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int main(void)
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{
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printf("meta_ipc_sim — M10 真实 ipc_media 线程 META 帧频回归（REPORT §42）\n\n");
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if (srv_open() != 0) { printf(" FAIL 假 launcher socket 建立失败 (%s)\n", g_sock_path); return 1; }
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if (ipc_media_start() != 0) { printf(" FAIL ipc_media_start\n"); return 1; }
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if (srv_handshake() != 0) { printf(" FAIL HELLO 握手失败\n"); return 1; }
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printf("A. 空闲（state=0，无播放/无元数据）2s\n");
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int meta = 0, other = 0;
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srv_collect(2000, &meta, &other);
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CHECK(meta == 1, "上行 META 帧 = %d（期望 1：注册媒体源；旧实现 ~10 帧/2s）", meta);
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CHECK(other == 0, "无其它上行帧（%d）", other);
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CHECK(strcmp(g_last_app_id, "dev.player.ncm") == 0, "HELLO app_id = %s", g_last_app_id);
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printf("B. 播放态变化（0 → PLAYING）后继续空闲 2s\n");
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set_play_state(NCM_PC_PLAYING);
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int meta2 = 0, other2 = 0;
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srv_collect(2000, &meta2, &other2);
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CHECK(meta2 == 1, "状态变化只上报 1 帧（%d）", meta2);
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/* 停止播放：又是一次状态变化 → 再 1 帧 */
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set_play_state(NCM_PC_STOPPED);
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int meta3 = 0, other3 = 0;
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srv_collect(2000, &meta3, &other3);
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CHECK(meta3 == 1, "停止播放只上报 1 帧（%d）", meta3);
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CHECK(g_bad_frames == 0, "帧头 magic/version/长度全部合法（坏帧 %d）", g_bad_frames);
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ipc_media_stop();
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g_app_quit = 1;
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usleep(400 * 1000); /* 让 ipc 线程在 poll 超时内退出 */
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if (g_cli >= 0) close(g_cli);
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if (g_srv >= 0) close(g_srv);
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unlink(g_sock_path);
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printf("\nmeta_ipc_sim: %d-%d\n", g_pass, g_fail);
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return g_fail ? 1 : 0;
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}
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