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authorDaniel Lange <DLange@git.local>2016-04-11 13:00:22 +0200
committerDaniel Lange <DLange@git.local>2016-04-11 13:00:22 +0200
commitc74c38760df69bb87e93dff18cf91464e5d02f37 (patch)
treeee2a19a0ef3a808bdfc8c1e6a00e96d79966dcb0 /BatteryMeter.c
parent9379132a8234eeedf62d37ef57713e52c12db6ab (diff)
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Imported Upstream version 0.8.1upstream/0.8.1
Diffstat (limited to 'BatteryMeter.c')
-rw-r--r--BatteryMeter.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/BatteryMeter.c b/BatteryMeter.c
new file mode 100644
index 0000000..977a191
--- /dev/null
+++ b/BatteryMeter.c
@@ -0,0 +1,141 @@
+/*
+ htop
+ (C) 2004-2006 Hisham H. Muhammad
+ Released under the GNU GPL, see the COPYING file
+ in the source distribution for its full text.
+
+ This "Meter" written by Ian P. Hands (iphands@gmail.com).
+*/
+
+#include "BatteryMeter.h"
+#include "Meter.h"
+#include "ProcessList.h"
+#include "CRT.h"
+#include "String.h"
+#include "debug.h"
+
+int BatteryMeter_attributes[] = {
+ BATTERY
+};
+
+static unsigned long int parseBatInfo(const char * fileName, const unsigned short int lineNum, const unsigned short int wordNum) {
+ const DIR *batteryDir;
+ const struct dirent *pDirEnt;
+
+ const char batteryPath[] = PROCDIR "/acpi/battery/";
+ batteryDir = opendir(batteryPath);
+
+ if (batteryDir == NULL) {
+ return 0;
+ }
+
+ char * string;
+ typedef struct listLbl { char* content; struct listLbl* next; } list;
+
+ list *myList = NULL;
+ list *newEntry;
+
+ /*
+ Some of this is based off of code found in kismet (they claim it came from gkrellm).
+ Written for multi battery use...
+ */
+ for (pDirEnt= readdir((DIR*)batteryDir); pDirEnt; pDirEnt = readdir((DIR*)batteryDir)) {
+ string = (char*)pDirEnt->d_name;
+ if(!strcmp(string, ".") || !strcmp(string, ".."))
+ continue;
+
+ newEntry = calloc(1, sizeof(list));
+ newEntry->next = myList;
+ newEntry->content = string;
+ myList = newEntry;
+ }
+
+ unsigned long int total = 0;
+ for (newEntry = myList; newEntry; newEntry = newEntry->next) {
+ const char infoPath[30];
+ const FILE * file;
+ char line[50];
+
+ sprintf((char*)infoPath, "%s%s/%s", batteryPath, newEntry->content, fileName);
+
+ if ((file = fopen(infoPath, "r")) == NULL) {
+ return 0;
+ }
+
+ for (unsigned short int i = 0; i < lineNum; i++){
+ fgets(line, sizeof line, (FILE*)file);
+ }
+
+ fclose((FILE*)file);
+
+ const char * foundNumTmp = String_getToken(line, wordNum);
+ const unsigned long int foundNum = atoi(foundNumTmp);
+ free((char*)foundNumTmp);
+
+ total += foundNum;
+ }
+
+ free(myList);
+ free(newEntry);
+ closedir((DIR*)batteryDir);
+ return total;
+}
+
+static void BatteryMeter_setValues(Meter* this, char* buffer, int len) {
+ FILE* file = fopen(PROCDIR "/acpi/ac_adapter/AC/state", "r");
+ if (!file)
+ file = fopen(PROCDIR "/acpi/ac_adapter/ADP1/state", "r");
+ if (!file) {
+ snprintf(buffer, len, "n/a");
+ return;
+ }
+
+ char line [100];
+ fgets(line, sizeof line, file);
+ line[sizeof(line) - 1] = '\0';
+ fclose(file);
+
+ const unsigned long int totalFull = parseBatInfo("info", 3, 4);
+ const unsigned long int totalRemain = parseBatInfo("state", 5, 3);
+ const double percent = totalFull > 0 ? ((double)totalRemain * 100) / (double)totalFull : 0;
+
+ if (totalFull == 0) {
+ snprintf(buffer, len, "n/a");
+ return;
+ }
+
+ this->values[0] = percent;
+
+ const char* isOnline = String_getToken(line, 2);
+
+ char *onAcText, *onBatteryText;
+
+ if (this->mode == TEXT_METERMODE) {
+ onAcText = "%.1f%% (Running on A/C)";
+ onBatteryText = "%.1f%% (Running on battery)";
+ } else {
+ onAcText = "%.1f%%(A/C)";
+ onBatteryText = "%.1f%%(bat)";
+ }
+
+ if (strcmp(String_getToken(line, 2),"on-line") == 0) {
+ snprintf(buffer, len, onAcText, percent);
+ } else {
+ snprintf(buffer, len, onBatteryText, percent);
+ }
+
+ free((char*)isOnline);
+ return;
+}
+
+MeterType BatteryMeter = {
+ .setValues = BatteryMeter_setValues,
+ .display = NULL,
+ .mode = TEXT_METERMODE,
+ .items = 1,
+ .total = 100.0,
+ .attributes = BatteryMeter_attributes,
+ .name = "Battery",
+ .uiName = "Battery",
+ .caption = "Battery: "
+};

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