/*
This file is part of GNUnet.
- (C) 2006 Christian Grothoff (and other contributing authors)
+ (C) 2006, 2009 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
#ifndef GNUNET_COMMON_H
#define GNUNET_COMMON_H
+#if HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#if HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef MINGW
+#include "winproc.h"
+#endif
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+#ifdef HAVE_STDARG_H
+#include <stdarg.h>
+#endif
+
/**
* Version of the API (for entire gnunetutil.so library).
*/
{
/**
- * The length of the struct (in bytes, including the length field itself)
+ * The length of the struct (in bytes, including the length field itself),
+ * in big-endian format.
*/
uint16_t size GNUNET_PACKED;
/**
- * The type of the message (XX_CS_PROTO_XXXX)
+ * The type of the message (GNUNET_MESSAGE_TYPE_XXXX), in big-endian format.
*/
uint16_t type GNUNET_PACKED;
/**
* Function called with a filename.
*
- * @param filename complete filename (absolute path)
* @param cls closure
+ * @param filename complete filename (absolute path)
* @return GNUNET_OK to continue to iterate,
* GNUNET_SYSERR to abort iteration with error!
*/
*/
enum GNUNET_ErrorType
{
+ GNUNET_ERROR_TYPE_NONE = 0,
GNUNET_ERROR_TYPE_ERROR = 1,
GNUNET_ERROR_TYPE_WARNING = 2,
GNUNET_ERROR_TYPE_INFO = 4,
GNUNET_ERROR_TYPE_BULK = 32
};
+
/**
* User-defined handler for log messages.
*
/**
* Ignore the next n calls to the log function.
*
- * @param n number of log calls to ignore, use 0 to
- * assert that the log skip counter is currently zero.
+ * @param n number of log calls to ignore
+ * @param check_reset GNUNET_YES to assert that the log skip counter is currently zero
*/
-void GNUNET_log_skip (unsigned int n);
+void
+GNUNET_log_skip (unsigned int n, int check_reset);
/**
* Setup logging.
*
- * @param component default component to use
+ * @param comp default component to use
* @param loglevel what types of messages should be logged
* @param logfile change logging to logfile (use NULL to keep stderr)
* @return GNUNET_OK on success, GNUNET_SYSERR if logfile could not be opened
*/
int
-GNUNET_log_setup (const char *component,
+GNUNET_log_setup (const char *comp,
const char *loglevel, const char *logfile);
+
/**
* Add a custom logger.
*
*/
void GNUNET_logger_add (GNUNET_Logger logger, void *logger_cls);
+
/**
* Remove a custom logger.
*
void GNUNET_logger_remove (GNUNET_Logger logger, void *logger_cls);
+/**
+ * Convert a hash value to a string (for printing debug messages).
+ * This is one of the very few calls in the entire API that is
+ * NOT reentrant!
+ *
+ * @param hc the hash code
+ * @return string
+ */
+const char *GNUNET_h2s (const GNUNET_HashCode *hc);
+
+
+/**
+ * Convert a hash value to a string (for printing debug messages).
+ * This prints all 104 characters of a hashcode!
+ * This is one of the very few calls in the entire API that is
+ * NOT reentrant!
+ *
+ * @param hc the hash code
+ * @return string
+ */
+const char *GNUNET_h2s_full (const GNUNET_HashCode *hc);
+
+
/**
* Convert a peer identity to a string (for printing debug messages).
* This is one of the very few calls in the entire API that is
*/
const char *GNUNET_error_type_to_string (enum GNUNET_ErrorType kind);
+
/**
* Use this for fatal errors that cannot be handled
*/
/**
* Maximum allocation with GNUNET_malloc macro.
*/
-#define GNUNET_MAX_GNUNET_MALLOC_CHECKED (1024 * 1024 * 40)
+#define GNUNET_MAX_MALLOC_CHECKED (1024 * 1024 * 40)
/**
* Wrapper around malloc. Allocates size bytes of memory.
*
* @param size the number of bytes to allocate, must be
* smaller than 40 MB.
- * @return pointer to size bytes of memory
+ * @return pointer to size bytes of memory, never NULL (!)
*/
#define GNUNET_malloc(size) GNUNET_xmalloc_(size, __FILE__, __LINE__)
+/**
+ * Allocate and initialize a block of memory.
+ *
+ * @param buf data to initalize the block with
+ * @param size the number of bytes in buf (and size of the allocation)
+ * @return pointer to size bytes of memory, never NULL (!)
+ */
+#define GNUNET_memdup(buf,size) GNUNET_xmemdup_(buf, size, __FILE__, __LINE__)
+
/**
* Wrapper around malloc. Allocates size bytes of memory.
* The memory will be zero'ed out.
*
* @param size the number of bytes to allocate
- * @return pointer to size bytes of memory
+ * @return pointer to size bytes of memory, NULL if we do not have enough memory
*/
#define GNUNET_malloc_large(size) GNUNET_xmalloc_unchecked_(size, __FILE__, __LINE__)
/**
* Like snprintf, just aborts if the buffer is of insufficient size.
+ *
+ * @param buf pointer to buffer that is written to
+ * @param size number of bytes in buf
+ * @param format format strings
+ * @param ... data for format string
+ * @return number of bytes written to buf or negative value on error
*/
int GNUNET_snprintf (char *buf, size_t size, const char *format, ...);
+
/**
* Like asprintf, just portable.
+ *
+ * @param buf set to a buffer of sufficient size (allocated, caller must free)
+ * @param format format string (see printf, fprintf, etc.)
+ * @param ... data for format string
+ * @return number of bytes in "*buf" excluding 0-termination
*/
int GNUNET_asprintf (char **buf, const char *format, ...);
* memory is available. Don't use GNUNET_xmalloc_ directly. Use the
* GNUNET_malloc macro.
* The memory will be zero'ed out.
+ *
+ * @param size number of bytes to allocate
+ * @param filename where is this call being made (for debugging)
+ * @param linenumber line where this call is being made (for debugging)
+ * @return allocated memory, never NULL
*/
void *GNUNET_xmalloc_ (size_t size, const char *filename, int linenumber);
+
+
/**
- * Allocate memory. This function does not check if the
- * allocation request is within reasonable bounds, allowing
- * allocations larger than 40 MB. If you don't expect the
- * possibility of very large allocations, use GNUNET_malloc instead.
- * The memory will be zero'ed out.
+ * Allocate and initialize memory. Checks the return value, aborts if no more
+ * memory is available. Don't use GNUNET_xmemdup_ directly. Use the
+ * GNUNET_memdup macro.
+ *
+ * @param buf buffer to initialize from (must contain size bytes)
+ * @param size number of bytes to allocate
+ * @param filename where is this call being made (for debugging)
+ * @param linenumber line where this call is being made (for debugging)
+ * @return allocated memory, never NULL
+ */
+void *GNUNET_xmemdup_ (const void *buf, size_t size, const char *filename, int linenumber);
+
+
+/**
+ * Allocate memory. This function does not check if the allocation
+ * request is within reasonable bounds, allowing allocations larger
+ * than 40 MB. If you don't expect the possibility of very large
+ * allocations, use GNUNET_malloc instead. The memory will be zero'ed
+ * out.
+ *
+ * @param size number of bytes to allocate
+ * @param filename where is this call being made (for debugging)
+ * @param linenumber line where this call is being made (for debugging)
+ * @return pointer to size bytes of memory, NULL if we do not have enough memory
*/
void *GNUNET_xmalloc_unchecked_ (size_t size,
const char *filename, int linenumber);
* memory is available.
*/
void *GNUNET_xrealloc_ (void *ptr,
- const size_t n, const char *filename, int linenumber);
+ size_t n, const char *filename, int linenumber);
/**
* Free memory. Merely a wrapper for the case that we
* want to keep track of allocations. Don't use GNUNET_xfree_
* directly. Use the GNUNET_free macro.
+ *
+ * @param ptr pointer to memory to free
+ * @param filename where is this call being made (for debugging)
+ * @param linenumber line where this call is being made (for debugging)
*/
void GNUNET_xfree_ (void *ptr, const char *filename, int linenumber);
/**
* Dup a string. Don't call GNUNET_xstrdup_ directly. Use the GNUNET_strdup macro.
+ * @param str string to duplicate
+ * @param filename where is this call being made (for debugging)
+ * @param linenumber line where this call is being made (for debugging)
+ * @return the duplicated string
*/
char *GNUNET_xstrdup_ (const char *str, const char *filename, int linenumber);
* @param elementSize the size of the elements of the array
* @param oldCount address of the number of elements in the *old array
* @param newCount number of elements in the new array, may be 0 (then *old will be NULL afterwards)
+ * @param filename where is this call being made (for debugging)
+ * @param linenumber line where this call is being made (for debugging)
*/
void GNUNET_xgrow_ (void **old,
size_t elementSize,
projects / oweals / gnunet.git / blobdiff