70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
/* meow_bgmgr.c — 批③ 后台管理页 逻辑层（数据汇聚 + kill 门控）。实现见 meow_bgmgr.h。
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* 纯 C（无 launcher static/SDK 依赖），宿主 gcc 直编：gcc -Wall -Wextra -std=gnu99 \
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* test_bgmgr.c meow_bgmgr.c -o test_bgmgr。 */
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#include "meow_bgmgr.h"
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#include <stdio.h>
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#include <string.h>
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int bgmgr_collect(const bgmgr_ops_t *ops, bgmgr_row_t *rows, int max)
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{
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if (!ops || !ops->enumerate || !ops->app_meta || !rows || max <= 0) return 0;
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int n = ops->enumerate(ops->ctx, rows, max);
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if (n < 0) n = 0;
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if (n > max) n = max;
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for (int i = 0; i < n; i++) {
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bgmgr_row_t *r = &rows[i];
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r->framework = 0;
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r->is_fg = 0;
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r->name[0] = 0;
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r->icon[0] = 0;
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r->pcpu = 0.0;
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r->rss_kb = 0;
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ops->app_meta(ops->ctx, r->app_id, r->pid,
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r->name, (int)sizeof r->name, r->icon, (int)sizeof r->icon,
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&r->framework, &r->is_fg);
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if (!r->name[0]) snprintf(r->name, sizeof r->name, "%s", r->app_id);
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if (ops->proc_sample && ops->proc_sample(ops->ctx, r->pid, &r->pcpu, &r->rss_kb) < 0) {
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r->pcpu = 0.0; r->rss_kb = 0;
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}
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r->killable = bgmgr_can_kill(r);
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}
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return n;
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}
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int bgmgr_can_kill(const bgmgr_row_t *r)
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{
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if (!r) return 0;
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if (r->framework) return 0; /* 框架/系统 App 不 kill（铁律） */
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if (r->is_fg) return 0; /* 当前前台 App 不 kill */
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if (r->pid <= 0) return 0; /* 非后台/无进程 */
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return 1;
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}
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int bgmgr_kill_all(const bgmgr_ops_t *ops, bgmgr_row_t *rows, int n,
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void (*kill_fn)(const char *app_id))
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{
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(void)ops;
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if (!kill_fn) return 0;
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int k = 0;
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for (int i = 0; i < n; i++) {
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if (bgmgr_can_kill(&rows[i])) { kill_fn(rows[i].app_id); k++; }
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}
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return k;
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}
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const char *bgmgr_status_str(const bgmgr_row_t *r)
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{
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if (!r) return "";
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if (r->is_fg) return "前台";
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if (r->keepalive) return "常驻";
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return "后台";
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}
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const char *bgmgr_mem_str(long rss_kb)
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{
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static char buf[24];
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if (rss_kb >= 1024) snprintf(buf, sizeof buf, "%.1fMB", (double)rss_kb / 1024.0);
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else snprintf(buf, sizeof buf, "%ldKB", rss_kb);
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return buf;
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}
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