x11/polybar: Add patches for CPU and memory modules

- give it to Joel Bodenmann <jbo@insane.engineer>

PR:		272831

4 files changed, 119 insertions, 4 deletions

diff --git a/x11/polybar/Makefile b/x11/polybar/Makefile
index c0de6b457108..a3272a58bb56 100644
--- a/x11/polybar/Makefile
+++ b/x11/polybar/Makefile
@@ -1,10 +1,10 @@
 PORTNAME=	polybar
 DISTVERSION=	3.6.3
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	x11
 MASTER_SITES=	https://github.com/polybar/polybar/releases/download/${DISTVERSION}/
 
-MAINTAINER=	rigoletto@FreeBSD.org
+MAINTAINER=	jbo@insane.engineer
 COMMENT=	Fast and easy-to-use status bar
 WWW=		https://github.com/polybar/polybar
 
diff --git a/x11/polybar/files/patch-src_modules_cpu.cpp b/x11/polybar/files/patch-src_modules_cpu.cpp
new file mode 100644
index 000000000000..7d31e2c08bff
--- /dev/null
+++ b/x11/polybar/files/patch-src_modules_cpu.cpp
@@ -0,0 +1,66 @@
+diff --git src/modules/cpu.cpp src/modules/cpu.cpp
+index 527f27fb..179d9221 100644
+--- src/modules/cpu.cpp
++++ src/modules/cpu.cpp
+@@ -2,6 +2,11 @@
+
+ #include <fstream>
+ #include <istream>
++#ifdef __FreeBSD__
++  #include <sys/types.h>
++  #include <sys/resource.h>
++  #include <sys/sysctl.h>
++#endif
+
+ #include "drawtypes/label.hpp"
+ #include "drawtypes/progressbar.hpp"
+@@ -128,6 +133,41 @@ namespace modules {
+     m_cputimes.clear();
+
+     try {
++#ifdef __FreeBSD__
++      // Get number of CPUs
++      // ToDo: No need to do this on every invocation.
++      int ncpu = -1;
++      std::size_t sz = sizeof(ncpu);
++      if (sysctlbyname("hw.ncpu", &ncpu, &sz, nullptr, 0) != 0) {
++        m_log.err("Failed to query sysctl 'hw.ncpu' (errno: %s)", strerror(errno));
++        return false;
++      }
++      if (ncpu < 1) {
++        m_log.err("Failed to determine number of CPUs.");
++        return false;
++      }
++
++      // Query 'kern.cp_time'
++      long cpu_stat[CPUSTATES];
++      sz = sizeof(cpu_stat);
++      if (sysctlbyname("kern.cp_time", cpu_stat, &sz, nullptr, 0) != 0) {
++        m_log.err("Failed to query sysctl 'kern.cp_time' (errno: %s)", strerror(errno));
++        return false;
++      }
++
++      // Parse
++      static std::size_t field_offset = sizeof(*cpu_stat) + ncpu;
++      for (std::size_t i = 0; i < ncpu; i++) {
++        m_cputimes.emplace_back(new cpu_time);
++        m_cputimes.back()->user = cpu_stat[CP_USER];
++        m_cputimes.back()->nice = cpu_stat[CP_NICE];
++        m_cputimes.back()->system = cpu_stat[CP_SYS];
++        m_cputimes.back()->steal = cpu_stat[CP_INTR];   // Note: This is technically the reported "interrupt" time
++        m_cputimes.back()->idle = cpu_stat[CP_IDLE];
++        m_cputimes.back()->total = m_cputimes.back()->user + m_cputimes.back()->nice + m_cputimes.back()->system +
++                                   m_cputimes.back()->idle + m_cputimes.back()->steal;
++      }
++#else
+       std::ifstream in(PATH_CPU_INFO);
+       string str;
+
+@@ -148,6 +188,7 @@ namespace modules {
+         m_cputimes.back()->total = m_cputimes.back()->user + m_cputimes.back()->nice + m_cputimes.back()->system +
+                                    m_cputimes.back()->idle + m_cputimes.back()->steal;
+       }
++#endif
+     } catch (const std::ios_base::failure& e) {
+       m_log.err("Failed to read CPU values (what: %s)", e.what());
+     }
diff --git a/x11/polybar/files/patch-src_modules_memory.cpp b/x11/polybar/files/patch-src_modules_memory.cpp
new file mode 100644
index 000000000000..b0d836e120db
--- /dev/null
+++ b/x11/polybar/files/patch-src_modules_memory.cpp
@@ -0,0 +1,49 @@
+diff --git src/modules/memory.cpp src/modules/memory.cpp
+index eb36e5dc..042d85cb 100644
+--- src/modules/memory.cpp
++++ src/modules/memory.cpp
+@@ -1,6 +1,10 @@
+ #include <fstream>
+ #include <iomanip>
+ #include <istream>
++#ifdef __FreeBSD__
++  #include <sys/types.h>
++  #include <sys/sysctl.h>
++#endif
+
+ #include "drawtypes/label.hpp"
+ #include "drawtypes/progressbar.hpp"
+@@ -63,6 +67,25 @@ namespace modules {
+     unsigned long long kb_swap_free{0ULL};
+
+     try {
++#ifdef __FreeBSD__
++      std::size_t sz;
++
++      // Total
++      sz = sizeof(kb_total);
++      if (sysctlbyname("hw.physmem", &kb_total, &sz, nullptr, 0) != 0) {
++        m_log.err("Failed to query sysctl 'hw.physmem' (errno: %s)", strerror(errno));
++        return false;
++      }
++      kb_total /= 1024;
++
++      // Available
++      sz = sizeof(kb_avail);
++      if (sysctlbyname("hw.usermem", &kb_avail, &sz, nullptr, 0) != 0) {
++        m_log.err("Failed to query sysctl 'hw.usermem' (errno: %s)", strerror(errno));
++        return false;
++      }
++      kb_avail /= 1024;
++#else
+       std::ifstream meminfo(PATH_MEMORY_INFO);
+       std::map<std::string, unsigned long long int> parsed;
+
+@@ -91,6 +114,7 @@ namespace modules {
+         // old kernel; give a best-effort approximation of available memory
+         kb_avail = parsed["MemFree"] + parsed["Buffers"] + parsed["Cached"] + parsed["SReclaimable"] - parsed["Shmem"];
+       }
++#endif
+     } catch (const std::exception& err) {
+       m_log.err("Failed to read memory values (what: %s)", err.what());
+     }
diff --git a/x11/polybar/pkg-message b/x11/polybar/pkg-message
index ed6bc5b10f26..30a0aa183ced 100644
--- a/x11/polybar/pkg-message
+++ b/x11/polybar/pkg-message
@@ -6,10 +6,12 @@ not function in FreeBSD.
 
 Working modules:
 - bspwm
+- cpu
 - date
 - github
 - i3
 - ipc (polybar-msg method does not seem to work)
+- memory
 - menu
 - mpd
 - script
@@ -19,9 +21,7 @@ Working modules:
 - xworkspaces (not extensively tested)
 
 Broken modules:
-- cpu
 - filesystem
-- memory
 - network (requires wireless_tools)
 - temperature (requires /sys/class/thermal/* in sysfs)
 - volume (requires full alsa, not a wrapper)