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/**
* A user-space application for generating pseudo-random specification compliant CPER records.
*
* Author: Lawrence.Tang@arm.com
**/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libcper/Cper.h>
#include <libcper/generator/cper-generate.h>
#include <libcper/generator/sections/gen-section.h>
void print_help();
int main(int argc, char *argv[])
{
//If help requested, print help.
if (argc == 2 && strcmp(argv[1], "--help") == 0) {
print_help();
return 0;
}
//Parse the command line arguments.
char *out_file = NULL;
char *single_section = NULL;
char **sections = NULL;
UINT16 num_sections = 0;
for (int i = 1; i < argc; i++) {
if (strcmp(argv[i], "--out") == 0 && i < argc - 1) {
out_file = argv[i + 1];
i++;
} else if (strcmp(argv[i], "--single-section") == 0 &&
i < argc - 1) {
single_section = argv[i + 1];
i++;
} else if (strcmp(argv[i], "--sections") == 0 && i < argc - 1) {
//All arguments after this must be section names.
num_sections = argc - i - 1;
sections = malloc(sizeof(char *) * num_sections);
i++;
for (int j = i; j < argc; j++) {
sections[j - i] = argv[j];
}
break;
} else {
printf("Unrecognised argument '%s'. For command information, refer to 'cper-generate --help'.\n",
argv[i]);
return -1;
}
}
//If no output file passed as argument, exit.
if (out_file == NULL) {
printf("No output file provided. For command information, refer to 'cper-generate --help'.\n");
if (sections) {
free(sections);
}
return -1;
}
//Open a file handle to write output.
FILE *cper_file = fopen(out_file, "w");
if (cper_file == NULL) {
printf("Could not get a handle for output file '%s', file handle returned null.\n",
out_file);
if (sections) {
free(sections);
}
return -1;
}
//Which type are we generating?
if (single_section != NULL && sections == NULL) {
generate_single_section_record(single_section, cper_file);
} else if (sections != NULL && single_section == NULL) {
generate_cper_record(sections, num_sections, cper_file);
} else {
//Invalid arguments.
printf("Invalid argument. Either both '--sections' and '--single-section' were set, or neither. For command information, refer to 'cper-generate --help'.\n");
if (sections) {
free(sections);
}
return -1;
}
//Close & free remaining resources.
fclose(cper_file);
if (sections != NULL) {
free(sections);
}
}
//Prints command help for this CPER generator.
void print_help()
{
printf(":: --out cper.file [--sections section1 ...] [--single-section sectiontype]\n");
printf("\tGenerates a pseudo-random CPER file with the provided section types and outputs to the given file name.\n\n");
printf("\tWhen the '--sections' flag is set, all following arguments are section names, and a full CPER log is generated\n");
printf("\tcontaining the given sections.\n");
printf("\tWhen the '--single-section' flag is set, the next argument is the single section that should be generated, and\n");
printf("\ta single section (no header, only a section descriptor & section) CPER file is generated.\n\n");
printf("\tValid section type names are the following:\n");
for (size_t i = 0; i < generator_definitions_len; i++) {
printf("\t\t- %s\n", generator_definitions[i].ShortName);
}
printf("\t\t- unknown\n");
printf("\n:: --help\n");
printf("\tDisplays help information to the console.\n");
}