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-rw-r--r--src/utils.c135
1 files changed, 74 insertions, 61 deletions
diff --git a/src/utils.c b/src/utils.c
index b4ddee1..1167001 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -5,10 +5,15 @@
#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"};
+static char configFilename[] = "celnetmon.cfg";
+
+char *listStrDataNames[] = {
+ "path_to_serial_port", "path_to_gpio_chip", "mqtt_url",
+ "network_apn", "mqtt_username", "mqtt_password",
+ "mqtt_root_topic", "network_username", "network_password",
+ "network_auth"};
+char *listIntDataNames[] = {"pin_pwr_key", "pin_status", "mqtt_port",
+ "network_operator"};
int checkPinVal(char *pathToChip, int pinNum) {
int pinVal = -1;
@@ -45,10 +50,9 @@ int checkPinVal(char *pathToChip, int pinNum) {
return pinVal;
}
-int readCfg(listCfgData cfgData, const char *pathExe) {
- char strBuffer[BUFSIZ];
+int readCfg(listCfgData *cfgData, const char *pathExe) {
+ char lineBuffer[BUFSIZ];
char *pathCfg, *pathDirEnd, *tmpPtr = NULL;
- const char *filenameCfg = "network_monitor.cfg";
int sizePathDir, idx, idx2;
unsigned long numCharRead;
FILE *fileCfg;
@@ -60,9 +64,9 @@ int readCfg(listCfgData cfgData, const char *pathExe) {
printf("Cannot obtain the executable directory.\n");
return 1;
}
- pathCfg = malloc(sizeof(char) * (sizePathDir + strlen(filenameCfg) + 2));
+ pathCfg = malloc(sizeof(char) * (sizePathDir + strlen(configFilename) + 2));
strncpy(pathCfg, pathExe, sizePathDir + 1);
- strcat(pathCfg, filenameCfg);
+ strcat(pathCfg, configFilename);
/* Open the config file. */
fileCfg = fopen(pathCfg, "r");
@@ -73,7 +77,7 @@ int readCfg(listCfgData cfgData, const char *pathExe) {
}
/* Check that it is not empty. */
- if (fgets(strBuffer, BUFSIZ, fileCfg) == NULL) {
+ if (fgets(lineBuffer, BUFSIZ, fileCfg) == NULL) {
printf("Config file is empty.\n");
fclose(fileCfg);
free(pathCfg);
@@ -81,81 +85,88 @@ int readCfg(listCfgData cfgData, const char *pathExe) {
}
/* Allocate memory for the config data list. */
- cfgData.strDataList = malloc(STR_LIST_LENGTH * sizeof(strData));
- cfgData.intDataList = malloc(INT_LIST_LENGTH * sizeof(intData));
+ cfgData->strDataList = malloc(STR_LIST_LENGTH * sizeof(strData));
+ cfgData->intDataList = malloc(INT_LIST_LENGTH * sizeof(intData));
/* Read the file and populate the config string data. */
for (idx = 0; idx < STR_LIST_LENGTH; idx++) {
- cfgData.strDataList[idx].name =
+ cfgData->strDataList[idx].name =
malloc(sizeof(char) * (strlen(listStrDataNames[idx]) + 1));
- strcpy(cfgData.strDataList[idx].name, listStrDataNames[idx]);
- cfgData.strDataList[idx].value = NULL;
+ strcpy(cfgData->strDataList[idx].name, listStrDataNames[idx]);
+ cfgData->strDataList[idx].value = NULL;
rewind(fileCfg);
do {
- fgets(strBuffer, BUFSIZ, fileCfg);
- tmpPtr = strtok(strBuffer, " =\n\t\r");
+ fgets(lineBuffer, BUFSIZ, fileCfg);
+ tmpPtr = strtok(lineBuffer, "=");
if (tmpPtr == NULL)
continue;
- if (strcmp(cfgData.strDataList[idx].name, tmpPtr) != 0)
+ if (tmpPtr[0] == '/' && tmpPtr[1] == '/')
continue;
-
- tmpPtr = strtok(NULL, " =\n\t\r");
- if (tmpPtr == NULL || *tmpPtr != '\"')
+ if (strstr(tmpPtr, cfgData->strDataList[idx].name) == NULL)
continue;
- tmpPtr = strtok(tmpPtr, "\"");
+ do {
+ tmpPtr = strtok(NULL, "\"");
+ } while (tmpPtr != NULL && *tmpPtr == ' ');
if (tmpPtr == NULL)
continue;
- cfgData.strDataList[idx].value =
+ cfgData->strDataList[idx].value =
malloc(sizeof(char) * (strlen(tmpPtr) + 1));
- strcpy(cfgData.strDataList[idx].value, tmpPtr);
+ 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);
+ if (cfgData->strDataList[idx].value == NULL) {
+ if (idx < NETWORK_USERNAME_POS) {
+ printf("Error parsing the config file.\nCould 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);
+ }
+ free(cfgData->strDataList);
+ fclose(fileCfg);
+ free(pathCfg);
+ return 1;
+ } else {
+ cfgData->strDataList[idx].value =
+ realloc(cfgData->strDataList[idx].value, sizeof(char));
+ strcpy(cfgData->strDataList[idx].value, "");
}
- fclose(fileCfg);
- free(pathCfg);
- return 1;
}
}
/* Populate the config integer data names. */
for (idx = 0; idx < INT_LIST_LENGTH; idx++) {
- cfgData.intDataList[idx].name =
+ cfgData->intDataList[idx].name =
malloc(sizeof(char) * (strlen(listIntDataNames[idx]) + 1));
- strcpy(cfgData.intDataList[idx].name, listIntDataNames[idx]);
- cfgData.intDataList[idx].value = -1;
+ strcpy(cfgData->intDataList[idx].name, listIntDataNames[idx]);
+ cfgData->intDataList[idx].value = -1;
rewind(fileCfg);
do {
- fgets(strBuffer, BUFSIZ, fileCfg);
- tmpPtr = strtok(strBuffer, " =\n\t\r");
+ fgets(lineBuffer, BUFSIZ, fileCfg);
+ tmpPtr = strtok(lineBuffer, "=");
if (tmpPtr == NULL)
continue;
- if (strcmp(cfgData.intDataList[idx].name, tmpPtr) != 0)
+ if (tmpPtr[0] == '/' && tmpPtr[1] == '/')
continue;
-
- tmpPtr = strtok(NULL, " =\n\t\r");
- if (tmpPtr == NULL || *tmpPtr != '\"')
+ if (strstr(tmpPtr, cfgData->intDataList[idx].name) == NULL)
continue;
- tmpPtr = strtok(tmpPtr, "\"");
+ do {
+ tmpPtr = strtok(NULL, "\"");
+ } while (tmpPtr != NULL && *tmpPtr == ' ');
if (tmpPtr == NULL)
continue;
- 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);
+ sscanf(tmpPtr, "%d%ln", &cfgData->intDataList[idx].value, &numCharRead);
+ if (numCharRead != strlen(tmpPtr)) {
+ printf("Format error for \"%s\".\n", cfgData->intDataList[idx].name);
for (idx2 = 0; idx2 <= idx; idx2++) {
- free(cfgData.intDataList[idx2].name);
+ free(cfgData->intDataList[idx2].name);
}
fclose(fileCfg);
free(pathCfg);
@@ -163,13 +174,16 @@ int readCfg(listCfgData cfgData, const char *pathExe) {
}
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);
+ if ((cfgData->intDataList[idx].value == -1) &&
+ (idx < NETWORK_OPERATOR_POS)) {
+ 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);
+ free(cfgData->intDataList[idx2].name);
}
+ free(cfgData->strDataList);
+ free(cfgData->intDataList);
fclose(fileCfg);
free(pathCfg);
return 1;
@@ -181,19 +195,18 @@ int readCfg(listCfgData cfgData, const char *pathExe) {
return 0;
}
-/* Do not call this before initializing dataCfg with readCfg(). */
-int freeCfgData(listCfgData cfgData) {
+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[idx].name);
+ free(cfgData->strDataList[idx].value);
}
- free(cfgData.strDataList);
+ free(cfgData->strDataList);
for (idx = 0; idx < INT_LIST_LENGTH; idx++) {
- free(cfgData.intDataList[idx].name);
- cfgData.intDataList[idx].value = -1;
+ free(cfgData->intDataList[idx].name);
+ cfgData->intDataList[idx].value = -1;
}
- free(cfgData.intDataList);
+ free(cfgData->intDataList);
return 0;
}
generated by cgit v1.3 (git 2.53.0) at 2026-11-02 15:22:21 +0000