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authorDiogo Ferreira <defer@cyngn.com>2015-01-14 11:13:52 +0000
committerDiogo Ferreira <defer@cyngn.com>2015-01-14 11:38:57 +0000
commit841159c272ac08b1cd5bdef5167a8ce11383fbb5 (patch)
treed7272ef150e58eaa1acc9ab62cf9e6c0aecbc2da /BatteryMeter.c
parente1a8535012ab86d3e926bebfb7731dab1eb7320a (diff)
downloadandroid_external_htop-cm-13.0.tar.gz
android_external_htop-cm-13.0.tar.bz2
android_external_htop-cm-13.0.zip
Change-Id: I416c44803b3a79c2fd752e342ea113875fa533e0
Diffstat (limited to 'BatteryMeter.c')
-rw-r--r--BatteryMeter.c302
1 files changed, 145 insertions, 157 deletions
diff --git a/BatteryMeter.c b/BatteryMeter.c
index 36b90e7..f2dfa6a 100644
--- a/BatteryMeter.c
+++ b/BatteryMeter.c
@@ -1,20 +1,25 @@
/*
- htop
- (C) 2004-2010 Hisham H. Muhammad
- Released under the GNU GPL, see the COPYING file
- in the source distribution for its full text.
+htop - BatteryMeter.c
+(C) 2004-2011 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, ihands@redhat.com).
+This meter written by Ian P. Hands (iphands@gmail.com, ihands@redhat.com).
*/
#include "BatteryMeter.h"
-#include "Meter.h"
+
#include "ProcessList.h"
#include "CRT.h"
#include "String.h"
-#include "debug.h"
+
+#include <string.h>
+#include <stdlib.h>
+#include <dirent.h>
+#include <unistd.h>
/*{
+#include "Meter.h"
typedef enum ACPresence_ {
AC_ABSENT,
@@ -31,12 +36,13 @@ int BatteryMeter_attributes[] = {
static unsigned long int parseUevent(FILE * file, const char *key) {
char line[100];
unsigned long int dValue = 0;
+ char* saveptr;
while (fgets(line, sizeof line, file)) {
if (strncmp(line, key, strlen(key)) == 0) {
char *value;
- strtok(line, "=");
- value = strtok(NULL, "=");
+ strtok_r(line, "=", &saveptr);
+ value = strtok_r(NULL, "=", &saveptr);
dValue = atoi(value);
break;
}
@@ -45,185 +51,165 @@ static unsigned long int parseUevent(FILE * file, const char *key) {
}
static unsigned long int parseBatInfo(const char *fileName, const unsigned short int lineNum, const unsigned short int wordNum) {
- const DIR *batteryDir;
- const struct dirent *dirEntries;
-
const char batteryPath[] = PROCDIR "/acpi/battery/";
- batteryDir = opendir(batteryPath);
-
- if (batteryDir == NULL) {
+ DIR* batteryDir = opendir(batteryPath);
+ if (!batteryDir)
return 0;
- }
-
- char *entryName;
- 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 (dirEntries = readdir((DIR *) batteryDir); dirEntries; dirEntries = readdir((DIR *) batteryDir)) {
- entryName = (char *) dirEntries->d_name;
+ #define MAX_BATTERIES 64
+ char* batteries[MAX_BATTERIES];
+ unsigned int nBatteries = 0;
+ memset(batteries, 0, MAX_BATTERIES * sizeof(char*));
+ struct dirent result;
+ struct dirent* dirEntry;
+ while (nBatteries < MAX_BATTERIES) {
+ int err = readdir_r(batteryDir, &result, &dirEntry);
+ if (err || !dirEntry)
+ break;
+ char* entryName = dirEntry->d_name;
if (strncmp(entryName, "BAT", 3))
continue;
-
- newEntry = calloc(1, sizeof(list));
- newEntry->next = myList;
- newEntry->content = entryName;
- myList = newEntry;
+ batteries[nBatteries] = strdup(entryName);
+ nBatteries++;
}
+ closedir(batteryDir);
unsigned long int total = 0;
- for (newEntry = myList; newEntry; newEntry = newEntry->next) {
- const char infoPath[30];
- const FILE *file;
- char line[50];
+ for (unsigned int i = 0; i < nBatteries; i++) {
+ char infoPath[30];
+ snprintf(infoPath, sizeof infoPath, "%s%s/%s", batteryPath, batteries[i], fileName);
- snprintf((char *) infoPath, sizeof infoPath, "%s%s/%s", batteryPath, newEntry->content, fileName);
-
- if ((file = fopen(infoPath, "r")) == NULL) {
- return 0;
+ FILE* file = fopen(infoPath, "r");
+ if (!file) {
+ break;
}
+ char line[50] = "";
for (unsigned short int i = 0; i < lineNum; i++) {
- fgets(line, sizeof line, (FILE *) file);
+ char* ok = fgets(line, sizeof line, file);
+ if (!ok) break;
}
- fclose((FILE *) file);
+ fclose(file);
- const char *foundNumTmp = String_getToken(line, wordNum);
- const unsigned long int foundNum = atoi(foundNumTmp);
- free((char *) foundNumTmp);
+ char *foundNumStr = String_getToken(line, wordNum);
+ const unsigned long int foundNum = atoi(foundNumStr);
+ free(foundNumStr);
total += foundNum;
}
- free(myList);
- free(newEntry);
- closedir((DIR *) batteryDir);
+ for (unsigned int i = 0; i < nBatteries; i++) {
+ free(batteries[i]);
+ }
+
return total;
}
-static ACPresence chkIsOnline() {
- FILE *file = NULL;
+static ACPresence procAcpiCheck() {
ACPresence isOn = AC_ERROR;
+ const char *power_supplyPath = PROCDIR "/acpi/ac_adapter";
+ DIR *power_supplyDir = opendir(power_supplyPath);
+ if (!power_supplyDir) {
+ return AC_ERROR;
+ }
- if (access(PROCDIR "/acpi/ac_adapter", F_OK) == 0) {
- const struct dirent *dirEntries;
- const char *power_supplyPath = PROCDIR "/acpi/ac_adapter";
- DIR *power_supplyDir = opendir(power_supplyPath);
- char *entryName;
-
- if (!power_supplyDir) {
- return AC_ERROR;
- }
-
- for (dirEntries = readdir((DIR *) power_supplyDir); dirEntries; dirEntries = readdir((DIR *) power_supplyDir)) {
- entryName = (char *) dirEntries->d_name;
-
- if (strncmp(entryName, "A", 1)) {
- continue;
- }
-
-
- char statePath[50];
- snprintf((char *) statePath, sizeof statePath, "%s/%s/state", power_supplyPath, entryName);
- file = fopen(statePath, "r");
-
- if (!file) {
- isOn = AC_ERROR;
- continue;
- }
-
- char line[100];
- fgets(line, sizeof line, file);
- line[sizeof(line) - 1] = '\0';
+ struct dirent result;
+ struct dirent* dirEntry;
+ for (;;) {
+ int err = readdir_r((DIR *) power_supplyDir, &result, &dirEntry);
+ if (err || !dirEntry)
+ break;
- if (file) {
- fclose(file);
- file = NULL;
- }
+ char* entryName = (char *) dirEntry->d_name;
- const char *isOnline = String_getToken(line, 2);
+ if (entryName[0] != 'A')
+ continue;
- if (strcmp(isOnline, "on-line") == 0) {
- free((char *) isOnline);
- isOn = AC_PRESENT;
- // If any AC adapter is being used then stop
- break;
+ char statePath[50];
+ snprintf((char *) statePath, sizeof statePath, "%s/%s/state", power_supplyPath, entryName);
+ FILE* file = fopen(statePath, "r");
- } else {
- isOn = AC_ABSENT;
- }
- free((char *) isOnline);
+ if (!file) {
+ isOn = AC_ERROR;
+ continue;
}
- if (power_supplyDir)
- closedir(power_supplyDir);
+ char line[100];
+ fgets(line, sizeof line, file);
+ line[sizeof(line) - 1] = '\0';
- } else {
-
- const char *power_supplyPath = "/sys/class/power_supply";
-
- if (access("/sys/class/power_supply", F_OK) == 0) {
- const struct dirent *dirEntries;
- DIR *power_supplyDir = opendir(power_supplyPath);
- char *entryName;
-
- if (!power_supplyDir) {
- return AC_ERROR;
- }
-
- for (dirEntries = readdir((DIR *) power_supplyDir); dirEntries; dirEntries = readdir((DIR *) power_supplyDir)) {
- entryName = (char *) dirEntries->d_name;
+ fclose(file);
- if (strncmp(entryName, "A", 1)) {
- continue;
- }
+ const char *isOnline = String_getToken(line, 2);
- char onlinePath[50];
- snprintf((char *) onlinePath, sizeof onlinePath, "%s/%s/online", power_supplyPath, entryName);
- file = fopen(onlinePath, "r");
+ if (strcmp(isOnline, "on-line") == 0) {
+ isOn = AC_PRESENT;
+ } else {
+ isOn = AC_ABSENT;
+ }
+ free((char *) isOnline);
+ if (isOn == AC_PRESENT) {
+ break;
+ }
+ }
- if (!file) {
- isOn = AC_ERROR;
- continue;
- }
+ if (power_supplyDir)
+ closedir(power_supplyDir);
+ return isOn;
+}
- isOn = (fgetc(file) - '0');
+static ACPresence sysCheck() {
+ ACPresence isOn = AC_ERROR;
+ const char *power_supplyPath = "/sys/class/power_supply";
+ DIR *power_supplyDir = opendir(power_supplyPath);
+ if (!power_supplyDir) {
+ return AC_ERROR;
+ }
- if (file) {
- fclose(file);
- file = NULL;
- }
+ struct dirent result;
+ struct dirent* dirEntry;
+ for (;;) {
+ int err = readdir_r((DIR *) power_supplyDir, &result, &dirEntry);
+ if (err || !dirEntry)
+ break;
- if (isOn == AC_PRESENT) {
- // If any AC adapter is being used then stop
- break;
- } else {
- continue;
- }
+ char* entryName = (char *) dirEntry->d_name;
+ if (strncmp(entryName, "A", 1)) {
+ continue;
+ }
+ char onlinePath[50];
+ snprintf((char *) onlinePath, sizeof onlinePath, "%s/%s/online", power_supplyPath, entryName);
+ FILE* file = fopen(onlinePath, "r");
+ if (!file) {
+ isOn = AC_ERROR;
+ } else {
+ isOn = (fgetc(file) - '0');
+ fclose(file);
+ if (isOn == AC_PRESENT) {
+ // If any AC adapter is being used then stop
+ break;
}
-
- if (power_supplyDir)
- closedir(power_supplyDir);
}
}
- // Just in case :-)
- if (file)
- fclose(file);
+ if (power_supplyDir)
+ closedir(power_supplyDir);
return isOn;
}
+static ACPresence chkIsOnline() {
+ if (access(PROCDIR "/acpi/ac_adapter", F_OK) == 0) {
+ return procAcpiCheck();
+ } else if (access("/sys/class/power_supply", F_OK) == 0) {
+ return sysCheck();
+ } else {
+ return AC_ERROR;
+ }
+}
+
static double getProcBatData() {
const unsigned long int totalFull = parseBatInfo("info", 3, 4);
if (totalFull == 0)
@@ -233,27 +219,25 @@ static double getProcBatData() {
if (totalRemain == 0)
return 0;
- double percent = totalFull > 0 ? ((double) totalRemain * 100) / (double) totalFull : 0;
- return percent;
+ return totalRemain * 100.0 / (double) totalFull;
}
static double getSysBatData() {
- const struct dirent *dirEntries;
const char *power_supplyPath = "/sys/class/power_supply/";
DIR *power_supplyDir = opendir(power_supplyPath);
-
-
- if (!power_supplyDir) {
+ if (!power_supplyDir)
return 0;
- }
-
- char *entryName;
unsigned long int totalFull = 0;
unsigned long int totalRemain = 0;
- for (dirEntries = readdir((DIR *) power_supplyDir); dirEntries; dirEntries = readdir((DIR *) power_supplyDir)) {
- entryName = (char *) dirEntries->d_name;
+ struct dirent result;
+ struct dirent* dirEntry;
+ for (;;) {
+ int err = readdir_r((DIR *) power_supplyDir, &result, &dirEntry);
+ if (err || !dirEntry)
+ break;
+ char* entryName = (char *) dirEntry->d_name;
if (strncmp(entryName, "BAT", 3)) {
continue;
@@ -274,6 +258,7 @@ static double getSysBatData() {
} else {
//reset file pointer
if (fseek(file, 0, SEEK_SET) < 0) {
+ closedir(power_supplyDir);
fclose(file);
return 0;
}
@@ -285,6 +270,7 @@ static double getSysBatData() {
} else {
//reset file pointer
if (fseek(file, 0, SEEK_SET) < 0) {
+ closedir(power_supplyDir);
fclose(file);
return 0;
}
@@ -335,11 +321,13 @@ static void BatteryMeter_setValues(Meter * this, char *buffer, int len) {
return;
}
-MeterType BatteryMeter = {
+MeterClass BatteryMeter_class = {
+ .super = {
+ .extends = Class(Meter),
+ .delete = Meter_delete
+ },
.setValues = BatteryMeter_setValues,
- .display = NULL,
- .mode = TEXT_METERMODE,
- .items = 1,
+ .defaultMode = TEXT_METERMODE,
.total = 100.0,
.attributes = BatteryMeter_attributes,
.name = "Battery",