/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2008 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2011 Free Software Foundation Europe e.V.
The main author of Bacula is Kern Sibbald, with contributions from
many others, a complete list can be found in the file AUTHORS.
This program is Free Software; you can redistribute it and/or
- modify it under the terms of version two of the GNU General Public
+ modify it under the terms of version three of the GNU Affero General Public
License as published by the Free Software Foundation and included
in the file LICENSE.
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*
* Bacula utility functions are in util.c
*
- * Version $Id$
*/
#include "bacula.h"
+#ifdef HAVE_LIBZ
+#include <zlib.h>
+#endif
static pthread_mutex_t timer_mutex = PTHREAD_MUTEX_INITIALIZER;
{
uint8_t *p = (uint8_t *)str;
int len = 0;
+ if (str == NULL) {
+ return 0;
+ }
while (*p) {
if ((*p & 0xC0) != 0xC0) {
p++;
/*
* Write the state file
*/
+static pthread_mutex_t state_mutex = PTHREAD_MUTEX_INITIALIZER;
+
void write_state_file(char *dir, const char *progname, int port)
{
int sfd;
bool ok = false;
POOLMEM *fname = get_pool_memory(PM_FNAME);
-
+
+ P(state_mutex); /* Only one job at a time can call here */
Mmsg(&fname, "%s/%s.%d.state", dir, progname, port);
/* Create new state file */
unlink(fname);
if (!ok) {
unlink(fname);
}
+ V(state_mutex);
free_pool_memory(fname);
}
return escaped_path;
}
+
+/*
+ * Deflate or compress and input buffer. You must supply an
+ * output buffer sufficiently long and the length of the
+ * output buffer. Generally, if the output buffer is the
+ * same size as the input buffer, it should work (at least
+ * for text).
+ */
+int Zdeflate(char *in, int in_len, char *out, int &out_len)
+{
+#ifdef HAVE_LIBZ
+ z_stream strm;
+ int ret;
+
+ /* allocate deflate state */
+ strm.zalloc = Z_NULL;
+ strm.zfree = Z_NULL;
+ strm.opaque = Z_NULL;
+ ret = deflateInit(&strm, 9);
+ if (ret != Z_OK) {
+ Dmsg0(200, "deflateInit error\n");
+ (void)deflateEnd(&strm);
+ return ret;
+ }
+
+ strm.next_in = (Bytef *)in;
+ strm.avail_in = in_len;
+ Dmsg1(200, "In: %d bytes\n", strm.avail_in);
+ strm.avail_out = out_len;
+ strm.next_out = (Bytef *)out;
+ ret = deflate(&strm, Z_FINISH);
+ out_len = out_len - strm.avail_out;
+ Dmsg1(200, "compressed=%d\n", out_len);
+ (void)deflateEnd(&strm);
+ return ret;
+#else
+ return 1;
+#endif
+}
+
+/*
+ * Inflate or uncompress an input buffer. You must supply
+ * and output buffer and an output length sufficiently long
+ * or there will be an error. This uncompresses in one call.
+ */
+int Zinflate(char *in, int in_len, char *out, int &out_len)
+{
+#ifdef HAVE_LIBZ
+ z_stream strm;
+ int ret;
+
+ /* allocate deflate state */
+ strm.zalloc = Z_NULL;
+ strm.zfree = Z_NULL;
+ strm.opaque = Z_NULL;
+ strm.next_in = (Bytef *)in;
+ strm.avail_in = in_len;
+ ret = inflateInit(&strm);
+ if (ret != Z_OK) {
+ Dmsg0(200, "inflateInit error\n");
+ (void)inflateEnd(&strm);
+ return ret;
+ }
+
+ Dmsg1(200, "In len: %d bytes\n", strm.avail_in);
+ strm.avail_out = out_len;
+ strm.next_out = (Bytef *)out;
+ ret = inflate(&strm, Z_FINISH);
+ out_len -= strm.avail_out;
+ Dmsg1(200, "Uncompressed=%d\n", out_len);
+ (void)inflateEnd(&strm);
+ return ret;
+#else
+ return 1;
+#endif
+}
+
+#if HAVE_BACKTRACE && HAVE_GCC
+#include <cxxabi.h>
+#include <execinfo.h>
+void stack_trace()
+{
+ const size_t max_depth = 100;
+ size_t stack_depth;
+ void *stack_addrs[max_depth];
+ char **stack_strings;
+
+ stack_depth = backtrace(stack_addrs, max_depth);
+ stack_strings = backtrace_symbols(stack_addrs, stack_depth);
+
+ for (size_t i = 3; i < stack_depth; i++) {
+ size_t sz = 200; /* just a guess, template names will go much wider */
+ char *function = (char *)actuallymalloc(sz);
+ char *begin = 0, *end = 0;
+ /* find the parentheses and address offset surrounding the mangled name */
+ for (char *j = stack_strings[i]; *j; ++j) {
+ if (*j == '(') {
+ begin = j;
+ } else if (*j == '+') {
+ end = j;
+ }
+ }
+ if (begin && end) {
+ *begin++ = '\0';
+ *end = '\0';
+ /* found our mangled name, now in [begin, end] */
+
+ int status;
+ char *ret = abi::__cxa_demangle(begin, function, &sz, &status);
+ if (ret) {
+ /* return value may be a realloc() of the input */
+ function = ret;
+ } else {
+ /* demangling failed, just pretend it's a C function with no args */
+ strncpy(function, begin, sz);
+ strncat(function, "()", sz);
+ function[sz-1] = '\0';
+ }
+ Pmsg2(000, " %s:%s\n", stack_strings[i], function);
+
+ } else {
+ /* didn't find the mangled name, just print the whole line */
+ Pmsg1(000, " %s\n", stack_strings[i]);
+ }
+ actuallyfree(function);
+ }
+ actuallyfree(stack_strings); /* malloc()ed by backtrace_symbols */
+}
+#else /* HAVE_BACKTRACE && HAVE_GCC */
+void stack_trace() {}
+#endif /* HAVE_BACKTRACE && HAVE_GCC */