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/*
Task Spooler - a task queue system for the unix user
Copyright (C) 2007-2009 Lluís Batlle i Rossell
Please find the license in the provided COPYING file.
*/
#include <unistd.h>
#include <stdio.h>
#include <time.h>
#include <sys/types.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <stdarg.h>
#include <stdlib.h>
#include <sys/time.h>
#include "main.h"
enum Etype
{
WARNING,
ERROR
};
/* Declared in main.h as extern */
enum Process_type process_type;
static int real_errno;
/* Local protos */
static void dump_structs(FILE *out);
static void print_date(FILE *out)
{
time_t t;
const char *tstr;
t = time(NULL);
tstr = ctime(&t);
fprintf(out, "date %s", tstr);
}
static void dump_proc_info(FILE *out)
{
print_date(out);
fprintf(out, "pid %i\n", getpid());
if (process_type == SERVER)
fprintf(out, "type SERVER\n");
else if (process_type == CLIENT)
fprintf(out, "type CLIENT\n");
else
fprintf(out, "type UNKNOWN\n");
}
static FILE * open_error_file()
{
int fd;
FILE* out;
char *path;
int new_size;
char *new_path;
create_socket_path(&path);
new_size = strlen(path)+10;
new_path = malloc(new_size);
strncpy(new_path, path, new_size);
strncat(new_path, ".error", (new_size - strlen(path)) - 1);
free(path);
fd = open(new_path, O_CREAT | O_APPEND | O_WRONLY, 0600);
if (fd == -1)
{
free(new_path);
return 0;
}
out = fdopen(fd, "a");
if (out == NULL)
{
close(fd);
free(new_path);
return 0;
}
free(new_path);
return out;
}
static void print_error(FILE *out, enum Etype type, const char *str, va_list ap)
{
fprintf(out, "-------------------");
if (type == ERROR)
fprintf(out, "Error\n");
else if (type == WARNING)
fprintf(out, "Warning\n");
else
fprintf(out, "Unknown kind of error\n");
fprintf(out, " Msg: ");
vfprintf(out, str, ap);
fprintf(out, "\n");
fprintf(out, " errno %i, \"%s\"\n", real_errno, strerror(real_errno));
}
static void problem(enum Etype type, const char *str, va_list ap)
{
FILE *out;
out = open_error_file();
if (out == 0)
return;
/* out is ready */
print_error(out, type, str, ap);
dump_structs(out);
/* this will close the fd also */
fclose(out);
}
static void problem_msg(enum Etype type, const struct msg *m, const char *str, va_list ap)
{
FILE *out;
out = open_error_file();
if (out == 0)
return;
/* out is ready */
print_error(out, type, str, ap);
msgdump(out, m);
dump_structs(out);
/* this will close the fd also */
fclose(out);
}
void error(const char *str, ...)
{
va_list ap;
va_start(ap, str);
real_errno = errno;
if (process_type == CLIENT)
{
vfprintf(stderr, str, ap);
fputc('\n', stderr);
}
problem(ERROR, str, ap);
exit(-1);
}
void error_msg(const struct msg *m, const char *str, ...)
{
va_list ap;
va_start(ap, str);
real_errno = errno;
problem_msg(ERROR, m, str, ap);
exit(-1);
}
void warning(const char *str, ...)
{
va_list ap;
va_start(ap, str);
real_errno = errno;
problem(WARNING, str, ap);
}
void warning_msg(const struct msg *m, const char *str, ...)
{
va_list ap;
va_start(ap, str);
real_errno = errno;
problem_msg(WARNING, m, str, ap);
}
static void dump_structs(FILE *out)
{
dump_proc_info(out);
if (process_type == SERVER)
{
dump_jobs_struct(out);
dump_notifies_struct(out);
dump_conns_struct(out);
}
}
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