From 7effecbcd3fd8869d32448d6ae6b5f1ccb0efe08 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=AB=8F=E8=A8=AA=E5=AD=90?= <suwako@076.moe>
Date: Tue, 18 Jun 2024 13:39:02 +0900
Subject: =?UTF-8?q?=E8=B5=B7=E5=8B=95=E6=99=82=E9=96=93=E3=81=A8CPU?=
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---
 main.c       | 15 ++++++++++++---
 src/cpu.c    | 35 +++++++++++++++++++++++++++++++++++
 src/cpu.h    |  6 ++++++
 src/uptime.c | 31 +++++++++++++++++++++++++++++++
 src/uptime.h |  7 +++++++
 5 files changed, 91 insertions(+), 3 deletions(-)
 create mode 100644 src/cpu.c
 create mode 100644 src/cpu.h
 create mode 100644 src/uptime.c
 create mode 100644 src/uptime.h

diff --git a/main.c b/main.c
index b1aede5..3cb7faf 100644
--- a/main.c
+++ b/main.c
@@ -5,9 +5,11 @@
 #include "src/user.h"
 #include "src/os.h"
 #include "src/host.h"
+#include "src/uptime.h"
 #if defined(__linux__)
 #include "src/distro.h"
 #endif
+#include "src/cpu.h"
 #include "src/memory.h"
 
 const char *sofname = "farfetch";
@@ -37,20 +39,27 @@ int main() {
   display_host_model();
   printf("\n");
 
+  printf("Uptime: ");
+  display_days();
+  printf(", ");
+  display_time();
+  printf("\n");
+
+  printf("CPU: ");
+  display_cpu();
+  printf("\n");
+
   printf("Memory: ");
   display_memory();
   printf("\n");
 
   // TODO:
   // * ロゴ
-  // * カーネル(LinuxとIllumosのみ)
-  // * 起動時間
   // * パッケージ
   // * libc
   // * シェル
   // * 解像度
   // * 端末
-  // * CPU
   // * GPU
   // * ストレージ
   return 0;
diff --git a/src/cpu.c b/src/cpu.c
new file mode 100644
index 0000000..9b79eca
--- /dev/null
+++ b/src/cpu.c
@@ -0,0 +1,35 @@
+#include "memory.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+void run_cpu_command(const char *command) {
+  char buf[128];
+
+  FILE *p = popen(command, "r");
+  if (!p) {
+    fprintf(stderr, "ホストコマンドを実効に失敗: %s", command);
+    return;
+  }
+
+  while (fgets(buf, sizeof(buf), p) != NULL) {
+    buf[strcspn(buf, "\n")] = '\0';
+    printf("%s", buf);
+  }
+
+  pclose(p);
+}
+
+void display_cpu() {
+#if defined(__NetBSD__)
+  run_cpu_command("sysctl -n machdep.cpu_brand | sed 's/(R)//' | "
+                  "sed 's/(TM)//' | sed 's/CPU //'");
+  run_cpu_command("echo \" (\" && sysctl -n hw.ncpu && echo \" core)\"");
+#elif defined(__FreeBSD__) || defined(__OpenBSD__)
+  run_cpu_command("sysctl -n hw.model | sed 's/(R)//' | "
+                  "sed 's/(TM)//' | sed 's/CPU //'");
+  run_cpu_command("echo \" (\" && sysctl -n hw.ncpu && echo \" core)\"");
+#elif defined(__linux__)
+#endif
+}
diff --git a/src/cpu.h b/src/cpu.h
new file mode 100644
index 0000000..89a810a
--- /dev/null
+++ b/src/cpu.h
@@ -0,0 +1,6 @@
+#ifndef CPU_H
+#define CPU_H
+
+void display_cpu();
+
+#endif
diff --git a/src/uptime.c b/src/uptime.c
new file mode 100644
index 0000000..da19270
--- /dev/null
+++ b/src/uptime.c
@@ -0,0 +1,31 @@
+#include "memory.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+void run_uptime_command(const char *command) {
+  char buf[128];
+
+  FILE *p = popen(command, "r");
+  if (!p) {
+    fprintf(stderr, "ホストコマンドを実効に失敗: %s", command);
+    return;
+  }
+
+  while (fgets(buf, sizeof(buf), p) != NULL) {
+    buf[strcspn(buf, "\n")] = '\0';
+    printf("%s", buf);
+  }
+
+  pclose(p);
+}
+
+void display_days() {
+  run_uptime_command("uptime | awk '{print $3}' && echo \" days\"");
+}
+
+void display_time() {
+  run_uptime_command("uptime | awk '{print $5}' | sed 's/,//' | "
+                     "sed 's/:/ hours, /' && echo \" mins\"");
+}
diff --git a/src/uptime.h b/src/uptime.h
new file mode 100644
index 0000000..12ee668
--- /dev/null
+++ b/src/uptime.h
@@ -0,0 +1,7 @@
+#ifndef UPTIME_H
+#define UPTIME_H
+
+void display_days();
+void display_time();
+
+#endif
-- 
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