77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/*
|
|
This is a personal academic project. Dear PVS-Studio, please check it.
|
|
PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
|
|
*/
|
|
#define _POSIX_C_SOURCE 2
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include "error.h"
|
|
|
|
#define MAX_SIZE 300
|
|
#define COMMAND_MAX_SIZE 400
|
|
|
|
void runCommand(char *, char *);
|
|
void printOutput(char *, char *);
|
|
|
|
int main(int argc, char *argv[]) {
|
|
setvbuf(stdout, NULL, _IONBF, 0);
|
|
|
|
char output[MAX_SIZE];
|
|
char input[MAX_SIZE];
|
|
|
|
/*
|
|
// Falta manejo de errores de fgets!
|
|
while (fgets(input, MAX_SIZE, stdin)) {
|
|
input[strcspn(input, "\n")] = '\0';
|
|
runCommand(input, output);
|
|
printOutput(output, input);
|
|
}
|
|
*/
|
|
|
|
int readChars;
|
|
while ((readChars = read(STDIN_FILENO, input, MAX_SIZE) != 0)) {
|
|
if (readChars < 0)
|
|
printSystemError("slave.c -- read()");
|
|
|
|
char * inputLine = strtok(input, "\n");
|
|
while (inputLine != NULL) {
|
|
runCommand(inputLine, output);
|
|
printOutput(output, inputLine);
|
|
inputLine = strtok(NULL, "\n");
|
|
}
|
|
}
|
|
|
|
|
|
// int saved_flags = fcntl(fd, F_GETFL);
|
|
// fcntl(fd, F_SETFL, saved_flags & ~O_NONBLOCK);
|
|
}
|
|
|
|
void runCommand(char * inputLine, char * output) {
|
|
char command[COMMAND_MAX_SIZE];
|
|
//sprintf(command, "minisat %s | grep -o -e \"Number of .*[0-9]\\+\" -e \"CPU time.*\" -e \".*SATISFIABLE\" | awk '{if (NR == 1) {print $4} ; if (NR == 2) {print $4} ; if (NR == 3) {print $4 $5} ; if (NR == 4) {print $1}}'", inputLine);
|
|
sprintf(command, "minisat %s | grep -o -e \"Number of .*[0-9]\\+\" -e \"CPU time.*\" -e \".*SATISFIABLE\" | awk '{if (NR == 1) {printf \"Cantidad de variables: \" $4 \" - \"} ; if (NR == 2) {printf \"Cantidad de cláusulas: \" $4 \" - \"} ; if (NR == 3) {printf \"Tiempo de procesamiento: \" $4 $5 \" - \"} ; if (NR == 4) {printf \"Resultado: \" $1}}'", inputLine);
|
|
// Pequeña ayuda para popen: https://stackoverflow.com/questions/646241/c-run-a-system-command-and-get-output
|
|
FILE * fp;
|
|
if (!(fp = popen(command, "r")))
|
|
printSystemError("slave.c -- popen()");
|
|
|
|
// Ver manejo de errores de fread!
|
|
size_t outputLength = fread(output, sizeof(char), MAX_SIZE, fp);
|
|
output[outputLength] = '\0';
|
|
|
|
if (ferror(fp))
|
|
|
|
if (pclose(fp) < 0)
|
|
printSystemError("slave.c -- pclose()");
|
|
|
|
}
|
|
|
|
void printOutput(char * output, char * fileName) {
|
|
printf("Nombre del archivo: %s - %s - Id del esclavo: %d\n", fileName, output, getpid());
|
|
|
|
// int saved_flags = fcntl(fd, F_GETFL);
|
|
// fcntl(fd, F_SETFL, saved_flags & O_NONBLOCK);
|
|
} |