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-rw-r--r--src/utils.c214
1 files changed, 107 insertions, 107 deletions
diff --git a/src/utils.c b/src/utils.c
index e526115..b4ddee1 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -5,6 +5,11 @@
#include "utils.h"
+char *listStrDataNames[] = {"path_to_serial_port", "path_to_gpio_chip",
+ "network_username", "network_password",
+ "network_auth"};
+char *listIntDataNames[] = {"pin_pwr_key", "pin_status"};
+
int checkPinVal(char *pathToChip, int pinNum) {
int pinVal = -1;
struct gpiod_chip *chip;
@@ -40,11 +45,11 @@ int checkPinVal(char *pathToChip, int pinNum) {
return pinVal;
}
-int readCfg(struct structCfg *dataCfg, const char *pathExe) {
+int readCfg(listCfgData cfgData, const char *pathExe) {
char strBuffer[BUFSIZ];
char *pathCfg, *pathDirEnd, *tmpPtr = NULL;
const char *filenameCfg = "network_monitor.cfg";
- int sizePathDir;
+ int sizePathDir, idx, idx2;
unsigned long numCharRead;
FILE *fileCfg;
@@ -63,137 +68,132 @@ int readCfg(struct structCfg *dataCfg, const char *pathExe) {
fileCfg = fopen(pathCfg, "r");
if (fileCfg == NULL) {
printf("Cannot open config file \"%s\".\n", pathCfg);
- goto readCfgFail1;
+ free(pathCfg);
+ return 1;
}
/* Check that it is not empty. */
if (fgets(strBuffer, BUFSIZ, fileCfg) == NULL) {
printf("Config file is empty.\n");
- goto readCfgFail2;
+ fclose(fileCfg);
+ free(pathCfg);
+ return 1;
}
- /* Read the file and look for the "path_to_serial_port". */
- rewind(fileCfg);
- do {
- fgets(strBuffer, BUFSIZ, fileCfg);
- tmpPtr = strtok(strBuffer, " =\n\t\r");
- if (tmpPtr == NULL)
- continue;
- if (strcmp("path_to_serial_port", tmpPtr) != 0)
- continue;
+ /* Allocate memory for the config data list. */
+ cfgData.strDataList = malloc(STR_LIST_LENGTH * sizeof(strData));
+ cfgData.intDataList = malloc(INT_LIST_LENGTH * sizeof(intData));
- tmpPtr = strtok(NULL, " =\n\t\r\"");
- if (tmpPtr == NULL)
- continue;
+ /* Read the file and populate the config string data. */
+ for (idx = 0; idx < STR_LIST_LENGTH; idx++) {
+ cfgData.strDataList[idx].name =
+ malloc(sizeof(char) * (strlen(listStrDataNames[idx]) + 1));
+ strcpy(cfgData.strDataList[idx].name, listStrDataNames[idx]);
+ cfgData.strDataList[idx].value = NULL;
- dataCfg->pathSerialPort =
- realloc(dataCfg->pathSerialPort, sizeof(char) * (strlen(tmpPtr) + 1));
- strcpy(dataCfg->pathSerialPort, tmpPtr);
- break;
- } while (feof(fileCfg) == 0);
- if (dataCfg->pathSerialPort == NULL) {
- printf("Could not find the \"path_to_serial_port\" variable.\n");
- goto readCfgFail2;
- }
+ rewind(fileCfg);
+ do {
+ fgets(strBuffer, BUFSIZ, fileCfg);
+ tmpPtr = strtok(strBuffer, " =\n\t\r");
+ if (tmpPtr == NULL)
+ continue;
+ if (strcmp(cfgData.strDataList[idx].name, tmpPtr) != 0)
+ continue;
- /* Read the file and look for the "path_to_gpio_chip". */
- rewind(fileCfg);
- do {
- fgets(strBuffer, BUFSIZ, fileCfg);
- tmpPtr = strtok(strBuffer, " =\n\t\r");
- if (tmpPtr == NULL)
- continue;
- if (strcmp("path_to_gpio_chip", tmpPtr) != 0)
- continue;
+ tmpPtr = strtok(NULL, " =\n\t\r");
+ if (tmpPtr == NULL || *tmpPtr != '\"')
+ continue;
- tmpPtr = strtok(NULL, " =\n\t\r\"");
- if (tmpPtr == NULL)
- continue;
+ tmpPtr = strtok(tmpPtr, "\"");
+ if (tmpPtr == NULL)
+ continue;
- dataCfg->pathGpioChip =
- realloc(dataCfg->pathGpioChip, sizeof(char) * (strlen(tmpPtr) + 1));
- strcpy(dataCfg->pathGpioChip, tmpPtr);
- break;
- } while (feof(fileCfg) == 0);
- if (dataCfg->pathGpioChip == NULL) {
- printf("Could not find the \"path_to_gpio_chip\" variable.\n");
- goto readCfgFail3;
+ cfgData.strDataList[idx].value =
+ malloc(sizeof(char) * (strlen(tmpPtr) + 1));
+ strcpy(cfgData.strDataList[idx].value, tmpPtr);
+ break;
+ } while (feof(fileCfg) == 0);
+ if (cfgData.strDataList[idx].value == NULL && idx < NETWORK_USERNAME_POS) {
+ printf("Could not find the \"%s\" variable.\n",
+ cfgData.strDataList[idx].name);
+ for (idx2 = 0; idx2 <= idx; idx2++) {
+ free(cfgData.strDataList[idx2].name);
+ free(cfgData.strDataList[idx2].value);
+ }
+ fclose(fileCfg);
+ free(pathCfg);
+ return 1;
+ }
}
- /* Read the file and look for the "pin_pwr_key". */
- rewind(fileCfg);
- do {
- fgets(strBuffer, BUFSIZ, fileCfg);
- tmpPtr = strtok(strBuffer, " =\n\t\r");
- if (tmpPtr == NULL)
- continue;
- if (strcmp("pin_pwr_key", tmpPtr) != 0)
- continue;
-
- tmpPtr = strtok(NULL, " =\n\t\r\"");
- if (tmpPtr == NULL)
- continue;
+ /* Populate the config integer data names. */
+ for (idx = 0; idx < INT_LIST_LENGTH; idx++) {
+ cfgData.intDataList[idx].name =
+ malloc(sizeof(char) * (strlen(listIntDataNames[idx]) + 1));
+ strcpy(cfgData.intDataList[idx].name, listIntDataNames[idx]);
+ cfgData.intDataList[idx].value = -1;
- sscanf(tmpPtr, "%d%ln", &dataCfg->pinPwrKey, &numCharRead);
- if ((numCharRead != strlen(tmpPtr)) || (strtok(NULL, " =\n\t\r\"") != NULL)) {
- printf("Format error for \"pin_pwr_key\".\n");
- goto readCfgFail4;
- }
- break;
- } while (feof(fileCfg) == 0);
- if (dataCfg->pinPwrKey == -1) {
- printf("Error parsing the config file.\nCould not find the "
- "\"pin_pwr_key\" variable.\n");
- goto readCfgFail4;
- }
+ rewind(fileCfg);
+ do {
+ fgets(strBuffer, BUFSIZ, fileCfg);
+ tmpPtr = strtok(strBuffer, " =\n\t\r");
+ if (tmpPtr == NULL)
+ continue;
+ if (strcmp(cfgData.intDataList[idx].name, tmpPtr) != 0)
+ continue;
- /* Read the file and look for the "pin_status". */
- rewind(fileCfg);
- do {
- fgets(strBuffer, BUFSIZ, fileCfg);
- tmpPtr = strtok(strBuffer, " =\n\t\r");
- if (tmpPtr == NULL)
- continue;
- if (strcmp("pin_status", tmpPtr) != 0)
- continue;
+ tmpPtr = strtok(NULL, " =\n\t\r");
+ if (tmpPtr == NULL || *tmpPtr != '\"')
+ continue;
- tmpPtr = strtok(NULL, " =\n\t\r\"");
- if (tmpPtr == NULL)
- continue;
+ tmpPtr = strtok(tmpPtr, "\"");
+ if (tmpPtr == NULL)
+ continue;
- sscanf(tmpPtr, "%d%ln", &dataCfg->pinStatus, &numCharRead);
- if ((numCharRead != strlen(tmpPtr)) || (strtok(NULL, " =\n\t\r\"") != NULL)) {
- printf("Format error for \"pin_status\".\n");
- goto readCfgFail4;
+ sscanf(tmpPtr, "%d%ln", &cfgData.intDataList[idx].value, &numCharRead);
+ if ((numCharRead != strlen(tmpPtr)) ||
+ (strtok(NULL, " =\n\t\r\"") != NULL)) {
+ printf("Format error for \"%s\".\n", cfgData.intDataList[idx].name);
+ for (idx2 = 0; idx2 <= idx; idx2++) {
+ free(cfgData.intDataList[idx2].name);
+ }
+ fclose(fileCfg);
+ free(pathCfg);
+ return 1;
+ }
+ break;
+ } while (feof(fileCfg) == 0);
+ if (cfgData.intDataList[idx].value == -1) {
+ printf("Error parsing the config file.\nCould not find the "
+ "\"%s\" variable.\n",
+ cfgData.intDataList[idx].name);
+ for (idx2 = 0; idx2 <= idx; idx2++) {
+ free(cfgData.intDataList[idx2].name);
+ }
+ fclose(fileCfg);
+ free(pathCfg);
+ return 1;
}
- break;
- } while (feof(fileCfg) == 0);
- if (dataCfg->pinStatus == -1) {
- printf("Error parsing the config file.\nCould not find the "
- "\"pin_status\" variable.\n");
- goto readCfgFail4;
}
free(pathCfg);
fclose(fileCfg);
return 0;
-
-readCfgFail4:
- free(dataCfg->pathGpioChip);
-readCfgFail3:
- free(dataCfg->pathSerialPort);
-readCfgFail2:
- fclose(fileCfg);
-readCfgFail1:
- free(pathCfg);
- return 1;
}
/* Do not call this before initializing dataCfg with readCfg(). */
-int freeCfgData(struct structCfg *dataCfg) {
- dataCfg->pinPwrKey = -1;
- dataCfg->pinStatus = -1;
- free(dataCfg->pathGpioChip);
- free(dataCfg->pathSerialPort);
+int freeCfgData(listCfgData cfgData) {
+ int idx;
+ for (idx = 0; idx < STR_LIST_LENGTH; idx++) {
+ free(cfgData.strDataList[idx].name);
+ free(cfgData.strDataList[idx].value);
+ }
+ free(cfgData.strDataList);
+
+ for (idx = 0; idx < INT_LIST_LENGTH; idx++) {
+ free(cfgData.intDataList[idx].name);
+ cfgData.intDataList[idx].value = -1;
+ }
+ free(cfgData.intDataList);
return 0;
}
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