From da8b1c1d1baafb9cf4a0cc9a88362f161f8d1319 Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@kth.se>
Date: Mon, 20 Apr 2020 18:58:00 +0200
Subject: First commit
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

Signed-off-by: Mattias Andrée <maandree@kth.se>
---
 common.h | 133 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 common.h

(limited to 'common.h')

diff --git a/common.h b/common.h
new file mode 100644
index 0000000..2a46bfc
--- /dev/null
+++ b/common.h
@@ -0,0 +1,133 @@
+/* See LICENSE file for copyright and license details. */
+#include "libaxl.h"
+
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <stdatomic.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#if defined(__linux__)
+# include "internal-linux.h"
+#endif
+
+#if !defined(NO_LIBERROR)
+# include <liberror.h>
+#else
+# define liberror_save_backtrace(...)  ((void) 0)
+# define liberror_set_error(...)       ((void) 0)
+# define liberror_set_error_errno(...) ((void) 0)
+# define liberror_reset_error()        ((void) 0)
+#endif
+
+#if !defined(NO_LIBERROR) && !defined(NO_LIBERROR_LIBC)
+# include <liberror-libc.h>
+#else
+# if defined(NO_LIBERROR)
+#  define __checked_ptr(X, _FUN)     X
+#  define __checked_ssize_t(X, _FUN) X
+# else
+#  define DEFINE_CHECKED(TYPE, NAME)\
+	static inline TYPE\
+	NAME(TYPE ret, const char *func)\
+	{\
+		if (!ret)\
+			liberror_set_error_errno(strerror(errno), func, errno);\
+		return ret;\
+	}
+DEFINE_CHECKED(void *, __checked_ptr)
+DEFINE_CHECKED(ssize_t, __checked_ssize_t)
+# endif
+# define liberror_malloc(N)               __checked_ptr(malloc(N), "malloc")
+# define liberror_realloc(P, N)           __checked_ptr(realloc(P, N), "realloc")
+# define liberror_send(FD, B, N, F, _NAM) __checked_ssize_t(send(FD, B, N, F), "send")
+# define liberror_recv(FD, B, N, F, _NAM) __checked_ssize_t(recv(FD, B, N, F), "recv")
+# define liberror_send_failed(FD, B, N, F, _NAM) ((void) 0)
+# define liberror_recv_failed(FD, B, N, F, _NAM) ((void) 0)
+#endif
+
+#define X_TCP_PORT 6000
+
+struct libaxl_connection {
+	int                fd;
+	uint16_t           last_seqnum;
+	LIBAXL_CONNECTION_RWLOCK; /* INIT_LIBAXL_CONNECTION_RWLOCK(&.) */
+	LIBAXL_CONTEXT    *pending_out;
+	size_t             in_progress;
+	size_t             in_buf_size;
+	char              *in_buf;
+	uint32_t           xid_base; /* TODO information for these are send by server when connecting { */
+	uint32_t           xid_bits;
+	uint32_t           xid_shift; /* } */
+	uint8_t            request_map[1UL << 16];
+};
+
+struct libaxl_context {
+	LIBAXL_CONNECTION *conn;
+	size_t             refcount;
+	LIBAXL_CONTEXT    *next_pending_out;
+	size_t             out_length;
+	size_t             out_progress;
+	size_t             out_buf_size;
+	char              *out_buf;
+	size_t             in_buf_size;
+	char              *in_buf;
+};
+
+#define ALIGN(VP, T)\
+	do {\
+		if (*(VP) & (_Alignof(T) - 1)) {\
+			*(VP) |= _Alignof(T) - 1;\
+			*(VP) += 1;\
+		}\
+	} while (0)
+
+#if INT_MIN + 1 == -INT_MAX
+# define TWOS_COMPLEMENT8(VP)  ((void)0)
+# define TWOS_COMPLEMENT16(VP) ((void)0)
+# define TWOS_COMPLEMENT32(VP) ((void)0)
+#else
+# define TWOS_COMPLEMENT8(VP)\
+	do {\
+		if (*(int8_t *)(VP) < 0)\
+			*(uint8_t *)(VP) = (uint16_t)~(uint16_t)(-*(int16_t *)(VP) - 1)\
+	} while (0)
+# define TWOS_COMPLEMENT16(VP)\
+	do {\
+		if (*(int16_t *)(VP) < 0)\
+			*(uint16_t *)(VP) = (uint16_t)~(uint16_t)(-*(int16_t *)(VP) - 1)\
+	} while (0)
+# define TWOS_COMPLEMENT32(VP)\
+	do {\
+		if (*(int32_t *)(VP) < 0)\
+			*(uint32_t *)(VP) = (uint32_t)~(uint32_t)(-*(int32_t *)(VP) - 1)\
+	} while (0)
+#endif
+
+#if INT_MIN + 1 == -INT_MAX
+# define UNTWOS_COMPLEMENT8(VP)  ((void)0)
+# define UNTWOS_COMPLEMENT16(VP) ((void)0)
+# define UNTWOS_COMPLEMENT32(VP) ((void)0)
+#else
+# define UNTWOS_COMPLEMENT8(VP)\
+	do {\
+		if (*(uint8_t *)(VP) & ((uint8_t)1 << 7))\
+			*(int8_t *)(VP) = -(int8_t)(~*(uint8_t *)(VP) + (uint8_t)1);\
+	} while (0)
+# define UNTWOS_COMPLEMENT16(VP)\
+	do {\
+		if (*(uint16_t *)(VP) & ((uint16_t)1 << 15))\
+			*(int16_t *)(VP) = -(int16_t)(~*(uint16_t *)(VP) + (uint16_t)1);\
+	} while (0)
+# define UNTWOS_COMPLEMENT32(VP)\
+	do {\
+		if (*(uint32_t *)(VP) & ((uint32_t)1 << 31))\
+			*(int32_t *)(VP) = -(int32_t)(~*(uint32_t *)(VP) + (uint32_t)1);\
+	} while (0)
+#endif
-- 
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