Adding upstream version 2.9.5.upstream/2.9.5

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1679 insertions, 0 deletions

diff --git a/admin/wireshark-dissectors/peers/packet-happp.c b/admin/wireshark-dissectors/peers/packet-happp.c
new file mode 100644
index 0000000..581262f
--- /dev/null
+++ b/admin/wireshark-dissectors/peers/packet-happp.c
@@ -0,0 +1,1679 @@
+/* packet-happp.c
+ * Routines for HAProxy Peers Protocol (HAPPP) dissection
+ * Copyright 2016, Frédéric Lécaille <flecaille@haproxy.com>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * 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 along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <stdio.h>
+#include <inttypes.h>
+#include <inttypes.h>
+#include <arpa/inet.h>
+
+#include <config.h>
+
+#include <epan/to_str.h>
+#include <epan/packet.h>
+#include <epan/prefs.h>
+#include <epan/conversation.h>
+#include <epan/strutil.h>
+#include <epan/dissectors/packet-tcp.h>
+#include <epan/tvbuff.h>
+
+#ifndef WITHOUT_WS_VERSION
+#include <ws_version.h>
+#endif
+
+#ifndef WIRESHARK_VERSION_MAJOR
+#define WIRESHARK_VERSION_MAJOR VERSION_MAJOR
+#endif
+#ifndef WIRESHARK_VERSION_MINOR
+#define WIRESHARK_VERSION_MINOR VERSION_MINOR
+#endif
+#ifndef WIRESHARK_VERSION_MICRO
+#define WIRESHARK_VERSION_MICRO VERSION_MICRO
+#endif
+
+#define HAPP_STR(str)  #str
+#define HAPP_XSTR(str) HAPP_STR(str)
+
+WS_DLL_PUBLIC_DEF const gchar plugin_version[] = "0.0.1";
+WS_DLL_PUBLIC_DEF const gchar plugin_release[] = HAPP_XSTR(WIRESHARK_VERSION_MAJOR.WIRESHARK_VERSION_MINOR);
+WS_DLL_PUBLIC_DEF const int plugin_want_major = WIRESHARK_VERSION_MAJOR;
+WS_DLL_PUBLIC_DEF const int plugin_want_minor = WIRESHARK_VERSION_MINOR;
+WS_DLL_PUBLIC void plugin_register(void);
+
+
+#define HAPPP_PROTOCOL                   "HAProxyS"
+#define HAPPP_MSG_MIN_LEN                2
+
+/* Status messages are the shortest ones (3 digits followed by a LF character) */
+#define STATUS_HANDSHAKE_SUCCEEDED       "200"
+#define STATUS_TRY_AGAIN_LATER           "300"
+#define STATUS_PROTOCOL_ERROR            "501"
+#define STATUS_BAD_VERSION               "502"
+#define STATUS_LOCAL_PEER_NAME_MISMATCH  "503"
+#define STATUS_REMOTE_PEER_NAME_MISMATCH "504"
+
+#include <stdio.h>
+#include <ctype.h>
+#include <stdarg.h>
+
+
+#ifdef DEBUG
+static unsigned char dbg_buf[16 << 10];
+
+__attribute__((format (printf, 3, 4)))
+void hexdump(const unsigned char *buf, size_t buflen, const char *title_fmt, ...)
+{
+	size_t i;
+	va_list ap;
+	const unsigned char *p;
+	char str_buf[2 + 1 + 16 + 1 + 1];
+
+	va_start(ap, title_fmt);
+	vfprintf(stderr, title_fmt, ap);
+	va_end(ap);
+
+	p = buf;
+	str_buf[0] = str_buf[1] = ' ';
+	str_buf[2] = '|';
+
+	for (i = 0; i < buflen; i++) {
+		if (!(i & 0xf))
+			fprintf(stderr, "%08X: ", i);
+		fprintf(stderr, " %02x", *p);
+		if (isalnum(*p))
+			str_buf[(i & 0xf) + 3] = *p;
+		else
+			str_buf[(i & 0xf) + 3] = '.';
+		if ((i & 0xf) == 0xf || i == buflen -1) {
+			size_t k;
+
+			for (k = 0; k < (0x10 - (i & 0xf) - 1); k++)
+				fprintf(stderr, "   ");
+			str_buf[(i & 0xf) + 4] = '|';
+			str_buf[(i & 0xf) + 5 ] = '\0';
+			fprintf(stderr, "%s\n", str_buf);
+		}
+		p++;
+	}
+}
+
+void hexdump_tvb(tvbuff_t *tvb, const gint offset, size_t len)
+{
+	len = len > sizeof dbg_buf ? sizeof dbg_buf : len;
+	if (tvb_memcpy(tvb, dbg_buf, offset, len)) {
+		hexdump(dbg_buf, len, "tvb buff (%zu bytes):\n", len);
+	} else
+		fprintf(stderr, "tvb buff COPY FAILED\n");
+}
+#endif
+
+/* HAPPP message classes */
+enum {
+	PEER_MSG_CLASS_CONTROL    = 0,
+	PEER_MSG_CLASS_ERROR,
+	PEER_MSG_CLASS_STICKTABLE = 0x0a,
+	PEER_MSG_CLASS_RESERVED   = 0xff,
+};
+
+enum {
+	CONTROL_CLASS_INDEX,
+	ERROR_CLASS_INDEX,
+	STICK_TABLE_CLASS_INDEX,
+	RESERVED_CLASS_INDEX,
+};
+
+/* Control messages */
+enum {
+	PEER_MSG_CTRL_RESYNCREQ = 0,
+	PEER_MSG_CTRL_RESYNCFINISHED,
+	PEER_MSG_CTRL_RESYNCPARTIAL,
+	PEER_MSG_CTRL_RESYNCCONFIRM,
+	PEER_MSG_CTRL_HEARTBEAT,
+};
+
+/* Error messages */
+enum {
+	PEER_MSG_ERR_PROTOCOL = 0,
+	PEER_MSG_ERR_SIZELIMIT,
+};
+
+/* Stick table messages */
+enum {
+	PEER_MSG_STKT_UPDATE = 0x80,
+	PEER_MSG_STKT_INCUPDATE,
+	PEER_MSG_STKT_DEFINE,
+	PEER_MSG_STKT_SWITCH,
+	PEER_MSG_STKT_ACK,
+	PEER_MSG_STKT_UPDATE_TIMED,
+	PEER_MSG_STKT_INCUPDATE_TIMED,
+};
+
+/* This is the different key types of the stick tables.
+ * Same definitions as in HAProxy sources.
+ */
+enum {
+	SMP_T_ANY,       /* any type */
+	SMP_T_BOOL,      /* boolean */
+	SMP_T_SINT,      /* signed 64bits integer type */
+	SMP_T_ADDR,      /* ipv4 or ipv6, only used for input type compatibility */
+	SMP_T_IPV4,      /* ipv4 type */
+	SMP_T_IPV6,      /* ipv6 type */
+	SMP_T_STR,       /* char string type */
+	SMP_T_BIN,       /* buffer type */
+	SMP_T_METH,      /* contain method */
+	SMP_TYPES        /* number of types, must always be last */
+};
+
+/* The types of data we can store in a stick table.
+ * Same definitions as in HAProxy sources.
+ */
+enum {
+	STKT_DT_SERVER_ID,      /* the server ID to use with this stream if > 0 */
+	STKT_DT_GPT0,           /* General Purpose Flag 0. */
+	STKT_DT_GPC0,           /* General Purpose Counter 0 (unsigned 32-bit integer) */
+	STKT_DT_GPC0_RATE,      /* General Purpose Counter 0's event rate */
+	STKT_DT_CONN_CNT,       /* cumulated number of connections */
+	STKT_DT_CONN_RATE,      /* incoming connection rate */
+	STKT_DT_CONN_CUR,       /* concurrent number of connections */
+	STKT_DT_SESS_CNT,       /* cumulated number of sessions (accepted connections) */
+	STKT_DT_SESS_RATE,      /* accepted sessions rate */
+	STKT_DT_HTTP_REQ_CNT,   /* cumulated number of incoming HTTP requests */
+	STKT_DT_HTTP_REQ_RATE,  /* incoming HTTP request rate */
+	STKT_DT_HTTP_ERR_CNT,   /* cumulated number of HTTP requests errors (4xx) */
+	STKT_DT_HTTP_ERR_RATE,  /* HTTP request error rate */
+	STKT_DT_BYTES_IN_CNT,   /* cumulated bytes count from client to servers */
+	STKT_DT_BYTES_IN_RATE,  /* bytes rate from client to servers */
+	STKT_DT_BYTES_OUT_CNT,  /* cumulated bytes count from servers to client */
+	STKT_DT_BYTES_OUT_RATE, /* bytes rate from servers to client */
+	STKT_STATIC_DATA_TYPES, /* number of types above */
+};
+
+/* The types of data in stick stored in stick tables.
+ * Same definitions as in HAProxy sources.
+ */
+enum {
+	STD_T_SINT = 0, /* signed int */
+	STD_T_UINT,     /* unsigned int */
+	STD_T_ULL,      /* unsigned long long */
+	STD_T_FRQP,     /* freq_ctr structure made of three unsigned int */
+};
+
+/* Prototypes */
+void proto_reg_handoff_happp(void);
+void proto_register_happp(void);
+
+/* Initialize the protocol and registered fields */
+static int proto_happp = -1;
+static int hf_happp_fake = -1;
+static int hf_happp_version = -1;
+static int hf_happp_remotepeerid = -1;
+static int hf_happp_localpeerid = -1;
+static int hf_happp_processpid = -1;
+static int hf_happp_relativepid = -1;
+static int hf_happp_status = -1;
+static int hf_happp_msg = -1;
+static int hf_happp_msg_class = -1;
+static int hf_happp_msg_type = -1;
+static int hf_happp_msg_len = -1;
+static int hf_happp_stkt_def_id = -1;
+static int hf_happp_stkt_def_name_len = -1;
+static int hf_happp_stkt_def_name_value = -1;
+static int hf_happp_stkt_def_key_type = -1;
+static int hf_happp_stkt_def_key_len = -1;
+static int hf_happp_stkt_def_data_types = -1;
+static int hf_happp_stkt_updt_update_id = -1;
+static int hf_happp_stkt_updt_expire = -1;
+static int hf_happp_stkt_updt_key_len = -1;
+static int hf_happp_stkt_updt_key_ipv4_value = -1;
+static int hf_happp_stkt_updt_key_str_value = -1;
+static int hf_happp_stkt_updt_key_int_value = -1;
+static int hf_happp_stkt_updt_key_bytes_value = -1;
+static int hf_happp_stkt_updt_data_server_id = -1;
+static int hf_happp_stkt_updt_data_gpt0 = -1;
+static int hf_happp_stkt_updt_data_gpc0 = -1;
+static int hf_happp_stkt_updt_data_gpc0_rate_curr_tick = -1;
+static int hf_happp_stkt_updt_data_gpc0_rate_curr_ctr = -1;
+static int hf_happp_stkt_updt_data_gpc0_rate_prev_ctr = -1;
+static int hf_happp_stkt_updt_data_conn_cnt = -1;
+static int hf_happp_stkt_updt_data_conn_rate_curr_tick = -1;
+static int hf_happp_stkt_updt_data_conn_rate_curr_ctr = -1;
+static int hf_happp_stkt_updt_data_conn_rate_prev_ctr = -1;
+static int hf_happp_stkt_updt_data_conn_cur = -1;
+static int hf_happp_stkt_updt_data_sess_cnt = -1;
+static int hf_happp_stkt_updt_data_sess_rate_curr_tick = -1;
+static int hf_happp_stkt_updt_data_sess_rate_curr_ctr  = -1;
+static int hf_happp_stkt_updt_data_sess_rate_prev_ctr = -1;
+static int hf_happp_stkt_updt_data_http_req_cnt = -1;
+static int hf_happp_stkt_updt_data_http_req_rate_curr_tick = -1;
+static int hf_happp_stkt_updt_data_http_req_rate_curr_ctr = -1;
+static int hf_happp_stkt_updt_data_http_req_rate_prev_ctr= -1;
+static int hf_happp_stkt_updt_data_http_err_cnt = -1;
+static int hf_happp_stkt_updt_data_http_err_rate_curr_tick = -1;
+static int hf_happp_stkt_updt_data_http_err_rate_curr_ctr = -1;
+static int hf_happp_stkt_updt_data_http_err_rate_prev_ctr = -1;
+static int hf_happp_stkt_updt_data_bytes_in_cnt = -1;
+static int hf_happp_stkt_updt_data_bytes_in_rate_curr_tick = -1;
+static int hf_happp_stkt_updt_data_bytes_in_rate_curr_ctr = -1;
+static int hf_happp_stkt_updt_data_bytes_in_rate_prev_ctr = -1;
+static int hf_happp_stkt_updt_data_bytes_out_cnt = -1;
+static int hf_happp_stkt_updt_data_bytes_out_rate_curr_tick = -1;
+static int hf_happp_stkt_updt_data_bytes_out_rate_curr_ctr = -1;
+static int hf_happp_stkt_updt_data_bytes_out_rate_prev_ctr = -1;
+static int hf_happp_stkt_updt_ack_table_id = -1;
+static int hf_happp_stkt_updt_ack_update_id = -1;
+
+struct happp_cv_data_t {
+	/* Same thing for the type of the the stick table keys */
+	uint64_t stkt_key_type;
+
+	/* Same thing for the length of the stick table keys.
+	 * Note that this is true only for key types different of SMT_T_STR (strings)
+	 * and SMT_T_SINT (signed ints).
+	 */
+	uint64_t stkt_key_len;
+
+	/* Same thing for the types of the stick table data */
+	uint64_t stkt_data_types;
+	void *data;
+};
+
+struct hf_stkt_data_type {
+	const char *name;
+	unsigned int type;
+	int *hf_ids[3];
+	size_t hf_ids_len;
+};
+
+struct hf_stkt_data_type hf_stkt_data_types[] = {
+	[STKT_DT_SERVER_ID] = {
+		.name = "server_id",
+		.type = STD_T_SINT,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_server_id,
+		},
+		.hf_ids_len = 1,
+	},
+	[STKT_DT_GPT0] = {
+		.name = "gpt0",
+		.type = STD_T_UINT,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_gpt0,
+		},
+		.hf_ids_len = 1,
+	},
+	[STKT_DT_GPC0] = {
+		.name = "gpc0",
+		.type = STD_T_UINT,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_gpc0,
+		},
+		.hf_ids_len = 1,
+	},
+	[STKT_DT_GPC0_RATE] = {
+		.name = "gpc0_rate",
+		.type = STD_T_FRQP,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_gpc0_rate_curr_tick,
+			&hf_happp_stkt_updt_data_gpc0_rate_curr_ctr,
+			&hf_happp_stkt_updt_data_gpc0_rate_prev_ctr,
+		},
+		.hf_ids_len = 3,
+	},
+	[STKT_DT_CONN_CNT] = {
+		.name = "conn_cnt",
+		.type = STD_T_UINT,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_conn_cnt,
+		},
+		.hf_ids_len = 1,
+	},
+	[STKT_DT_CONN_RATE] = {
+		.name = "conn_rate",
+		.type = STD_T_FRQP,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_conn_rate_curr_tick,
+			&hf_happp_stkt_updt_data_conn_rate_curr_ctr,
+			&hf_happp_stkt_updt_data_conn_rate_prev_ctr,
+		},
+		.hf_ids_len = 3,
+	},
+	[STKT_DT_CONN_CUR] = {
+		.name = "conn_cur",
+		.type = STD_T_UINT,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_conn_cur,
+		},
+		.hf_ids_len = 1,
+	},
+	[STKT_DT_SESS_CNT] = {
+		.name = "sess_cnt",
+		.type = STD_T_UINT,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_sess_cnt,
+		},
+		.hf_ids_len = 1,
+	},
+	[STKT_DT_SESS_RATE] = {
+		.name = "sess_rate",
+		.type = STD_T_FRQP,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_sess_rate_curr_tick,
+			&hf_happp_stkt_updt_data_sess_rate_curr_ctr,
+			&hf_happp_stkt_updt_data_sess_rate_prev_ctr,
+		},
+		.hf_ids_len = 3,
+	},
+	[STKT_DT_HTTP_REQ_CNT] = {
+		.name = "http_req_cnt",
+		.type = STD_T_UINT,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_http_req_cnt,
+		},
+		.hf_ids_len = 1,
+	},
+	[STKT_DT_HTTP_REQ_RATE] = {
+		.name = "http_req_rate",
+		.type = STD_T_FRQP,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_http_req_rate_curr_tick,
+			&hf_happp_stkt_updt_data_http_req_rate_curr_ctr,
+			&hf_happp_stkt_updt_data_http_req_rate_prev_ctr,
+		},
+		.hf_ids_len = 3,
+	},
+	[STKT_DT_HTTP_ERR_CNT] = {
+		.name = "http_err_cnt",
+		.type = STD_T_UINT,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_http_err_cnt,
+		},
+		.hf_ids_len = 1,
+	},
+	[STKT_DT_HTTP_ERR_RATE] = {
+		.name = "http_err_rate",
+		.type = STD_T_FRQP,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_http_err_rate_curr_tick,
+			&hf_happp_stkt_updt_data_http_err_rate_curr_ctr,
+			&hf_happp_stkt_updt_data_http_err_rate_prev_ctr,
+		},
+		.hf_ids_len = 3,
+	},
+	[STKT_DT_BYTES_IN_CNT] = {
+		.name = "bytes_in_cnt",
+		.type = STD_T_ULL,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_bytes_in_cnt,
+		},
+		.hf_ids_len = 1,
+	},
+	[STKT_DT_BYTES_IN_RATE] = {
+		.name = "bytes_in_rate",
+		.type = STD_T_FRQP,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_bytes_in_rate_curr_tick,
+			&hf_happp_stkt_updt_data_bytes_in_rate_curr_ctr,
+			&hf_happp_stkt_updt_data_bytes_in_rate_prev_ctr,
+		},
+		.hf_ids_len = 3,
+	},
+	[STKT_DT_BYTES_OUT_CNT] = {
+		.name = "bytes_out_cnt",
+		.type = STD_T_ULL,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_bytes_out_cnt,
+		},
+		.hf_ids_len = 1,
+	},
+	[STKT_DT_BYTES_OUT_RATE] = {
+		.name = "bytes_out_rate",
+		.type = STD_T_FRQP,
+		.hf_ids = {
+			&hf_happp_stkt_updt_data_bytes_out_rate_curr_tick,
+			&hf_happp_stkt_updt_data_bytes_out_rate_curr_ctr,
+			&hf_happp_stkt_updt_data_bytes_out_rate_prev_ctr,
+		},
+		.hf_ids_len = 3,
+	},
+};
+
+
+/* Initialize the subtree pointers */
+static gint ett_happp = -1;
+static gint ett_happp_msg = -1;
+
+static dissector_handle_t happp_tcp_handle;
+
+static const char *control_msg_type_str_from_byte(guint8 c);
+static const char *error_msg_type_str_from_byte(guint8 c);
+static const char *stkt_msg_type_str_from_byte(guint8 c);
+
+struct class_def_t {
+	const char *class_str;
+	const char *col_info_str;
+	const char *(*msg_type_str_func)(guint8 c);
+	unsigned int count;
+};
+
+static struct class_def_t class_def_tab[] = {
+	[CONTROL_CLASS_INDEX] = {
+		.class_str = "Control Class Message",
+		.col_info_str = "Ctl",
+		.msg_type_str_func = control_msg_type_str_from_byte,
+	},
+	[ERROR_CLASS_INDEX] = {
+		.class_str = "Error Class Message",
+		.col_info_str = "Err",
+		.msg_type_str_func = error_msg_type_str_from_byte,
+	},
+	[STICK_TABLE_CLASS_INDEX] = {
+		.class_str = "Stick Table Class Message",
+		.col_info_str = "Stkt",
+		.msg_type_str_func = stkt_msg_type_str_from_byte,
+	},
+	[RESERVED_CLASS_INDEX] = {
+		.class_str = "Reserved Class Message",
+		.col_info_str = "Res",
+	}
+};
+
+static int control_class_index_from_byte(guint8 c)
+{
+	switch (c) {
+	case PEER_MSG_CLASS_CONTROL:
+		return CONTROL_CLASS_INDEX;
+	case PEER_MSG_CLASS_ERROR:
+		return ERROR_CLASS_INDEX;
+	case PEER_MSG_CLASS_STICKTABLE:
+		return STICK_TABLE_CLASS_INDEX;
+	case PEER_MSG_CLASS_RESERVED:
+		return RESERVED_CLASS_INDEX;
+	default:
+		return -1;
+	};
+}
+
+static const char *class_str_from_byte(guint8 c)
+{
+	int class_idx;
+
+	class_idx = control_class_index_from_byte(c);
+	if (class_idx == -1)
+		return "N/A";
+
+	return class_def_tab[class_idx].class_str;
+}
+
+static const char *control_msg_type_str_from_byte(guint8 c)
+{
+	switch (c) {
+	case PEER_MSG_CTRL_RESYNCREQ:
+		return "resync. request";
+	case PEER_MSG_CTRL_RESYNCFINISHED:
+		return "resync. finished";
+	case PEER_MSG_CTRL_RESYNCPARTIAL:
+		return "resync. partial";
+	case PEER_MSG_CTRL_RESYNCCONFIRM:
+		return "resync. confirm";
+	case PEER_MSG_CTRL_HEARTBEAT:
+		return "heartbeat";
+	default:
+		return "Unknown";
+	}
+}
+
+static const char *stkt_msg_type_str_from_byte(guint8 c)
+{
+	switch (c) {
+	case PEER_MSG_STKT_UPDATE:
+		return "update";
+	case PEER_MSG_STKT_INCUPDATE:
+		return "inc. update";
+	case PEER_MSG_STKT_DEFINE:
+		return "definition";
+	case PEER_MSG_STKT_SWITCH:
+		return "switch";
+	case PEER_MSG_STKT_ACK:
+		return "ack";
+	case PEER_MSG_STKT_UPDATE_TIMED:
+		return "update (with expiration)";
+	case PEER_MSG_STKT_INCUPDATE_TIMED:
+		return "inc. update (with expiration)";
+	default:
+		return "Unknown";
+	}
+}
+
+static const char *error_msg_type_str_from_byte(guint8 c)
+{
+	switch (c) {
+	case PEER_MSG_ERR_PROTOCOL:
+		return "protocol error";
+	case PEER_MSG_ERR_SIZELIMIT:
+		return "limit size error";
+	default:
+		return "Unknown";
+	}
+}
+
+#define MAX_ENC_LEN 10
+static uint64_t intdecode(unsigned char **str, size_t len) {
+	int i = 0;
+	uint64_t ret;
+
+	if (len < 1 || len > MAX_ENC_LEN) {
+		*str = NULL;
+		return 0;
+	}
+
+	ret = *(*str)++;
+	len--;
+	if ((ret & 0xf0) != 0xf0 || !len)
+		return ret;
+
+	do {
+		/* As shifting value may be greater than 8 (size of **str in bits),
+		 * uint64_t cast is required.
+		 */
+		ret += (uint64_t)**str << (4 + 7 * i++);
+	} while (len-- && (*(*str)++ & 0x80) == 0x80);
+
+	return ret;
+}
+
+static int dissect_happp_handshake_pdu(tvbuff_t *tvb, packet_info *pinfo,
+                                       proto_tree *happp_tree)
+{
+	int line_len, token_len;
+	gint offset = 0, next_offset;
+	const guchar *line, *line_end, *next_token;
+	size_t protocol_strlen;
+
+	line_len = tvb_find_line_end(tvb, offset, -1, &next_offset, TRUE);
+	/* XXX TO DO */
+	if (line_len == -1)
+		return -1;
+
+	protocol_strlen = strlen(HAPPP_PROTOCOL);
+
+	line = tvb_get_ptr(tvb, offset, line_len);
+	line_end = line + (next_offset - offset);
+	/* The line must contain at least HAPPP_PROTOCOL string followed by a space,
+	 * then version string (at least one character) and a '\n' character.
+	 */
+	if (line_len >= (int)protocol_strlen + 3 &&
+	    !tvb_strncaseeql(tvb, 0, HAPPP_PROTOCOL, protocol_strlen)) {
+		/* This is an Hello message */
+		col_set_str(pinfo->cinfo, COL_INFO, "Hello message");
+
+		token_len = get_token_len(line + protocol_strlen + 1, line_end, &next_token);
+		proto_tree_add_item(happp_tree, hf_happp_version, tvb,
+		                    offset + protocol_strlen + 1, token_len,
+		                    ENC_ASCII | ENC_NA);
+
+		offset = next_offset;
+		line_len = tvb_find_line_end(tvb, offset, -1, &next_offset, TRUE);
+		/* XXX TO DO */
+		if (line_len == -1)
+			return -1;
+
+		line = tvb_get_ptr(tvb, offset, line_len);
+		line_end = line + (next_offset - offset);
+		/* Get next token: remotepeerid */
+		token_len = get_token_len(line, line_end, &next_token);
+		if (!token_len)
+			return -1;
+
+		proto_tree_add_item(happp_tree, hf_happp_remotepeerid, tvb, offset,
+		                    token_len, ENC_ASCII | ENC_NA);
+
+		/* Retrieve next line */
+		offset = next_offset;
+		line_len = tvb_find_line_end(tvb, offset, -1, &next_offset, TRUE);
+		/* XXX TO DO */
+		if (line_len == -1)
+			return -1;
+
+		line = tvb_get_ptr(tvb, offset, line_len);
+		line_end = line + (next_offset - offset);
+		/* Get next token: localpeerid */
+		token_len = get_token_len(line, line_end, &next_token);
+		if (!token_len)
+			return -1;
+
+		proto_tree_add_item(happp_tree, hf_happp_localpeerid, tvb, offset,
+		                    token_len, ENC_ASCII | ENC_NA);
+		offset += next_token - line;
+		line = next_token;
+
+		/* Get next token: processpid */
+		token_len = get_token_len(line, line_end, &next_token);
+		if (!token_len)
+			return -1;
+
+		proto_tree_add_item(happp_tree, hf_happp_processpid, tvb, offset,
+		                    token_len, ENC_ASCII | ENC_NA);
+		offset += next_token - line;
+		line = next_token;
+
+		/* Get next token: relativepid */
+		token_len = get_token_len(line, line_end, &next_token);
+		if (!token_len)
+			return -1;
+
+		proto_tree_add_item(happp_tree, hf_happp_relativepid, tvb, offset,
+		                    token_len, ENC_ASCII | ENC_NA);
+		offset += next_token - line;
+		line = next_token;
+
+	}
+	else if (line_len == 3) {
+		col_set_str(pinfo->cinfo, COL_INFO, "Status message");
+		token_len = get_token_len(line, line_end, &next_token);
+		if (!token_len)
+			return -1;
+
+		proto_tree_add_item(happp_tree, hf_happp_status, tvb, offset,
+		                    token_len, ENC_ASCII | ENC_NA);
+	}
+
+	return tvb_captured_length(tvb);
+}
+
+/* Reset to zero all statistics counters of class_def_array */
+static void init_class_def_tab(struct class_def_t *class_def_array, size_t size)
+{
+	size_t i;
+
+	for (i = 0; i < size; i++)
+		class_def_array[i].count = 0;
+}
+
+/* Add statistics counting information about HAPPP message classes to
+ * info column (numbers of messages found in an HAPPP PDU by class).
+ */
+static inline void col_info_append_class(packet_info *pinfo, int class_index,
+                                         int *first_class)
+{
+	if (!class_def_tab[class_index].count)
+		return;
+
+	col_append_fstr(pinfo->cinfo, COL_INFO, "%s%s=%u",
+	                *first_class ? "" : " ",
+	                class_def_tab[class_index].col_info_str,
+	                class_def_tab[class_index].count);
+	class_def_tab[class_index].count = 0;
+	*first_class = 0;
+}
+
+
+static int intdecode_from_tvbuff(tvbuff_t *tvb, uint64_t *dec_val,
+                                 guint *offset, guint total)
+{
+	unsigned char *p, enc_buf[MAX_ENC_LEN];
+	size_t max_enc_buf_len, left;
+
+	left = total - *offset;
+	max_enc_buf_len = left < sizeof enc_buf ? left : sizeof enc_buf;
+	if (!tvb_memcpy(tvb, enc_buf, *offset, max_enc_buf_len))
+		return -1;
+
+	p = enc_buf;
+	*dec_val = intdecode(&p, max_enc_buf_len);
+	if (!p)
+		return -1;
+
+	*offset += p - enc_buf;
+
+	return 0;
+}
+
+static int add_enc_field_to_happp_tree(int field_id, proto_tree *tree, tvbuff_t *tvb,
+                                       guint *offset, guint total, uint64_t *val)
+{
+	uint64_t dec_val;
+	size_t dec_val_len;
+	guint saved_offset;
+
+	saved_offset = *offset;
+	if (intdecode_from_tvbuff(tvb, &dec_val, offset, total) < 0)
+		return -1;
+
+	dec_val_len = *offset - saved_offset;
+	proto_tree_add_uint64_format_value(tree, field_id, tvb, saved_offset,
+	                                   dec_val_len, dec_val, "%" PRIu64, dec_val);
+
+	if (val)
+		*val = dec_val;
+
+	return 0;
+}
+
+static int add_int_field_to_happp_tree(int field_id,
+                                       tvbuff_t *tvb, proto_tree *tree,
+                                       guint *offset, guint total _U_)
+{
+	uint32_t val;
+
+	if (!tvb_memcpy(tvb, &val, *offset, sizeof val))
+		return -1;
+
+	val = ntohl(val);
+	proto_tree_add_int_format_value(tree, field_id, tvb, *offset,
+	                                sizeof val, val, "%" PRId32, val);
+	*offset += sizeof val;
+
+	return 0;
+}
+
+static void dissect_happp_stkt_define_msg(tvbuff_t *tvb, packet_info *pinfo _U_,
+                                          proto_tree *tree, guint offset, guint total)
+{
+	uint64_t dec_val;
+	uint64_t stkt_key_type;
+	uint64_t stkt_key_len;
+	uint64_t stkt_data_types;
+	struct happp_cv_data_t *happp_cv_data;
+	conversation_t *cv;
+
+	if (add_enc_field_to_happp_tree(hf_happp_stkt_def_id, tree,
+	                                tvb, &offset, total, NULL) < 0 ||
+	    add_enc_field_to_happp_tree(hf_happp_stkt_def_name_len, tree,
+	                                tvb, &offset, total, &dec_val) < 0)
+		return;
+
+	/* Add the stick table name to HAPPP proto tree */
+	proto_tree_add_item(tree, hf_happp_stkt_def_name_value, tvb, offset, dec_val,
+	                    ENC_ASCII | ENC_NA);
+	offset += dec_val;
+
+	if (add_enc_field_to_happp_tree(hf_happp_stkt_def_key_type, tree,
+	                                tvb, &offset, total, &stkt_key_type) < 0 ||
+	    add_enc_field_to_happp_tree(hf_happp_stkt_def_key_len, tree,
+	                                tvb, &offset, total, &stkt_key_len) < 0 ||
+	    add_enc_field_to_happp_tree(hf_happp_stkt_def_data_types, tree,
+	                                tvb, &offset, total, &stkt_data_types) < 0)
+		return;
+
+	cv = find_conversation(pinfo->num, &pinfo->src, &pinfo->dst,
+	                       pinfo->ptype, pinfo->srcport, pinfo->destport, 0);
+	if (!cv)
+		return;
+
+	/*
+	 * According to the documentation, it is not our responsibility
+	 * to free this allocated memory.
+	 */
+	happp_cv_data = (struct happp_cv_data_t *)wmem_alloc(wmem_file_scope(),
+													     sizeof *happp_cv_data);
+	if (!happp_cv_data)
+		return;
+
+	happp_cv_data->stkt_key_type = stkt_key_type;
+	happp_cv_data->stkt_key_len = stkt_key_len;
+	happp_cv_data->stkt_data_types = stkt_data_types;
+
+	conversation_add_proto_data(cv, proto_happp, happp_cv_data);
+}
+
+static void dissect_happp_stkt_update_msg(tvbuff_t *tvb, packet_info *pinfo _U_,
+                                          proto_tree *tree, guint offset, guint total,
+                                          unsigned  char msg_type_byte)
+{
+	unsigned int data_type;
+	uint64_t *stkt_key_type;
+	uint64_t *stkt_key_len;
+	struct happp_cv_data_t *happp_cv_data;
+	int has_update_id, has_exp;
+	conversation_t *cv;
+
+	cv = find_conversation(pinfo->num, &pinfo->src, &pinfo->dst,
+	                       pinfo->ptype, pinfo->srcport, pinfo->destport, 0);
+	if (!cv)
+		return;
+
+	happp_cv_data = (struct happp_cv_data_t *)conversation_get_proto_data(cv, proto_happp);
+	if (!happp_cv_data)
+		return;
+
+	has_update_id = msg_type_byte == PEER_MSG_STKT_UPDATE       ||
+	                msg_type_byte == PEER_MSG_STKT_UPDATE_TIMED;
+	has_exp       = msg_type_byte == PEER_MSG_STKT_UPDATE_TIMED ||
+	                msg_type_byte == PEER_MSG_STKT_INCUPDATE_TIMED;
+	/* Add the stick table update ID to HAPPP tree */
+	if (has_update_id &&
+	    add_int_field_to_happp_tree(hf_happp_stkt_updt_update_id, tvb, tree,
+	                                &offset, total) < 0)
+		return;
+
+	if (has_exp &&
+	    add_int_field_to_happp_tree(hf_happp_stkt_updt_expire, tvb, tree,
+	                                &offset, total) < 0)
+		return;
+
+
+	stkt_key_type = &happp_cv_data->stkt_key_type;
+	stkt_key_len = &happp_cv_data->stkt_key_len;
+
+	switch(*stkt_key_type) {
+	case SMP_T_STR:
+		if (add_enc_field_to_happp_tree(hf_happp_stkt_updt_key_len, tree, tvb,
+		                                &offset, total, stkt_key_len) < 0)
+			return;
+
+		proto_tree_add_item(tree, hf_happp_stkt_updt_key_str_value, tvb,
+		                    offset, *stkt_key_len, ENC_ASCII | ENC_NA);
+		offset += *stkt_key_len;
+		break;
+	case SMP_T_SINT:
+	    if (add_int_field_to_happp_tree(hf_happp_stkt_updt_key_int_value, tvb, tree,
+	                                    &offset, total) < 0)
+		    return;
+
+		break;
+	case SMP_T_IPV4:
+		proto_tree_add_ipv4(tree, hf_happp_stkt_updt_key_ipv4_value,
+		                    tvb, offset, 4, tvb_get_ipv4(tvb, offset));
+		offset += 4;
+		break;
+	default:
+		proto_tree_add_item(tree, hf_happp_stkt_updt_key_bytes_value,
+		                    tvb, offset, *stkt_key_len, ENC_NA);
+		offset += *stkt_key_len;
+		break;
+	}
+
+	/* Data dissection */
+	for (data_type = 0;
+	     data_type < sizeof hf_stkt_data_types / sizeof *hf_stkt_data_types;
+	     data_type++) {
+		struct hf_stkt_data_type *hf_stkt_dtype;
+		size_t i;
+
+		if (!(happp_cv_data->stkt_data_types & (1 << data_type)))
+			continue;
+
+		hf_stkt_dtype = &hf_stkt_data_types[data_type];
+
+		for (i = 0; i < hf_stkt_dtype->hf_ids_len; i++)
+			if (add_enc_field_to_happp_tree(*hf_stkt_dtype->hf_ids[i], tree, tvb,
+			                                &offset, total, NULL) < 0)
+				return;
+	}
+}
+
+static void dissect_happp_stkt_ack_msg(tvbuff_t *tvb, packet_info *pinfo _U_,
+                                          proto_tree *tree, guint offset, guint total)
+{
+	if (add_enc_field_to_happp_tree(hf_happp_stkt_updt_ack_table_id, tree, tvb,
+	                                &offset, total, NULL) < 0)
+		return;
+
+	if (add_int_field_to_happp_tree(hf_happp_stkt_updt_ack_update_id, tvb, tree,
+	                                &offset, total) < 0)
+		return;
+}
+
+static void dissect_happp_stk_msg(tvbuff_t *tvb, packet_info *pinfo _U_,
+                                  proto_tree *tree, guint8 msg_type_byte,
+                                  guint offset, guint total)
+{
+	switch (msg_type_byte) {
+	case PEER_MSG_STKT_DEFINE:
+		dissect_happp_stkt_define_msg(tvb, pinfo, tree, offset, total);
+		break;
+	case PEER_MSG_STKT_UPDATE:
+	case PEER_MSG_STKT_INCUPDATE:
+	case PEER_MSG_STKT_UPDATE_TIMED:
+	case PEER_MSG_STKT_INCUPDATE_TIMED:
+		dissect_happp_stkt_update_msg(tvb, pinfo, tree, offset, total, msg_type_byte);
+		break;
+	case PEER_MSG_STKT_ACK:
+		dissect_happp_stkt_ack_msg(tvb, pinfo, tree, offset, total);
+		break;
+	};
+
+}
+
+static void
+dissect_happp_msg(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree,
+                  guint8 msg_class_byte, guint8 msg_type_byte,
+                  guint *offset, guint total)
+{
+	unsigned char *p, enc_buf[MAX_ENC_LEN];
+	uint64_t dec_msg_len;
+	size_t max_enc_buf_len, left, dec_val_len;
+
+	left = total - *offset;
+	max_enc_buf_len = left < sizeof enc_buf ? left : sizeof enc_buf;
+	if (!tvb_memcpy(tvb, enc_buf, *offset, max_enc_buf_len))
+		return;
+
+	p = enc_buf;
+	dec_msg_len = intdecode(&p, max_enc_buf_len);
+	if (!p)
+		return;
+
+	dec_val_len = p - enc_buf;
+	proto_tree_add_uint64_format_value(tree, hf_happp_msg_len,
+	                                   tvb, *offset, dec_val_len, dec_msg_len,
+	                                   "%" PRIu64, dec_msg_len);
+	*offset += dec_val_len;
+
+	switch (msg_class_byte) {
+	case PEER_MSG_CLASS_STICKTABLE:
+		dissect_happp_stk_msg(tvb, pinfo, tree, msg_type_byte, *offset, total);
+		break;
+	}
+
+	*offset += dec_msg_len;
+}
+
+/* Code to actually dissect the packets */
+static int
+dissect_happp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+    /* Set up structures needed to add the protocol subtree and manage it */
+	proto_item *item;
+	proto_tree *happp_tree;
+	/* Other misc. local variables. */
+	guint total, offset;
+	int first_message, first_class, curr_class, prev_class;
+	guint8 first_byte;
+	size_t sizeof_class_def_tab;
+
+	offset = 0;
+	first_message = first_class = 1;
+	total = tvb_reported_length(tvb);
+
+	/* create display subtree for the protocol */
+	item = proto_tree_add_item(tree, proto_happp, tvb, offset, -1, ENC_NA);
+	happp_tree = proto_item_add_subtree(item, ett_happp);
+
+	/* Set the protocol column value */
+	col_set_str(pinfo->cinfo, COL_PROTOCOL, "happp");
+
+	first_byte = (gchar)tvb_get_guint8(tvb, offset);
+	if (first_byte != PEER_MSG_CLASS_CONTROL    &&
+	    first_byte != PEER_MSG_CLASS_ERROR      &&
+	    first_byte != PEER_MSG_CLASS_STICKTABLE &&
+	    first_byte != PEER_MSG_CLASS_RESERVED)
+		return dissect_happp_handshake_pdu(tvb, pinfo, happp_tree);
+
+	/* Reset class_def_tab message class counters */
+	sizeof_class_def_tab = sizeof class_def_tab / sizeof *class_def_tab;
+	init_class_def_tab(class_def_tab, sizeof_class_def_tab);
+
+	prev_class = curr_class = -1;
+	col_set_str(pinfo->cinfo, COL_INFO, "[");
+	while (offset < total) {
+		guint8 msg_class_byte, msg_type_byte;
+		const char *(*msg_type_str_func)(guint8 c);
+		struct class_def_t *class_def;
+
+		if (first_message) {
+			msg_class_byte = first_byte;
+		}
+		else {
+			msg_class_byte = tvb_get_guint8(tvb, offset);
+		}
+		curr_class = control_class_index_from_byte(msg_class_byte);
+		if (curr_class == -1)
+			return -1;
+
+		if (first_message) {
+			prev_class = curr_class;
+			first_message = 0;
+		}
+
+		class_def = &class_def_tab[curr_class];
+		class_def->count++;
+		msg_type_str_func = class_def->msg_type_str_func;
+
+		/* Insert a line separator */
+		proto_tree_add_item(happp_tree, hf_happp_fake, tvb,
+		                    offset, 0,
+		                    ENC_ASCII | ENC_NA);
+		proto_tree_add_uint_format_value(happp_tree, hf_happp_msg_class,
+		                                 tvb, offset++, 1, msg_class_byte,
+		                                 "%u    (%s)", msg_class_byte,
+		                                 class_str_from_byte(msg_class_byte));
+		msg_type_byte = tvb_get_guint8(tvb, offset);
+
+		/* First byte: message class */
+		switch (msg_class_byte) {
+		case PEER_MSG_CLASS_CONTROL:
+		case PEER_MSG_CLASS_ERROR:
+		case PEER_MSG_CLASS_STICKTABLE:
+			/* Second byte: message type in the class */
+			proto_tree_add_uint_format_value(happp_tree, hf_happp_msg_type,
+			                                 tvb, offset++, 1, msg_type_byte,
+			                                 "%u    (%s)", msg_type_byte,
+			                                 msg_type_str_func(msg_type_byte));
+			break;
+		case PEER_MSG_CLASS_RESERVED:
+			col_append_str(pinfo->cinfo, COL_INFO, "NON IMPLEMENTED");
+			break;
+		}
+		if (msg_class_byte >= PEER_MSG_CLASS_STICKTABLE)
+			dissect_happp_msg(tvb, pinfo, happp_tree,
+			                  msg_class_byte, msg_type_byte, &offset, total);
+
+		/* Sequentially add counting information to info column about
+		 * number of messages found by class in an HAPPP PDU.
+		 * For instance if an HAPPP PDU contains this sequence of messages:
+		 * 1 Control message - 2 Stick Table messages - 3 Control messages
+		 * column information displays: [Ctl=1 Stkt=2 Ctl=3].
+		 */
+		if (curr_class != prev_class) {
+			col_info_append_class(pinfo, prev_class, &first_class);
+			col_info_append_class(pinfo, curr_class, &first_class);
+			prev_class = curr_class;
+		}
+		else if (offset >= total) {
+			/* Last message */
+			col_info_append_class(pinfo, curr_class, &first_class);
+		}
+	}
+	col_append_str(pinfo->cinfo, COL_INFO, "]");
+
+	return tvb_captured_length(tvb);
+}
+
+static guint
+get_happp_msg_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_)
+{
+	guint ret, len, left;
+	gint next_offset, line_len;
+	guint8 first_byte;
+	uint64_t dec_len;
+	int saved_offset;
+
+	/* 0 means there is not enough data to get length. */
+	ret = 0;
+
+	len = tvb_reported_length(tvb);
+	left = len - offset;
+	if (left < HAPPP_MSG_MIN_LEN)
+		goto out;
+
+	saved_offset = offset;
+	first_byte = (gchar)tvb_get_guint8(tvb, offset);
+	if (first_byte == PEER_MSG_CLASS_CONTROL ||
+	    first_byte == PEER_MSG_CLASS_ERROR   ||
+	    first_byte == PEER_MSG_CLASS_RESERVED) {
+		ret = HAPPP_MSG_MIN_LEN;
+	} else if (first_byte == PEER_MSG_CLASS_STICKTABLE) {
+		int soff;
+
+		left -= HAPPP_MSG_MIN_LEN;
+		offset += HAPPP_MSG_MIN_LEN;
+		soff = offset;
+		if (intdecode_from_tvbuff(tvb, &dec_len, &offset, len) < 0)
+			goto out;
+
+		left -= offset - soff;
+		if (left < dec_len)
+			goto out;
+
+		ret = dec_len + offset - saved_offset;
+	} else {
+		/* hello message: add line lengths to compute this message length. */
+		for (;;) {
+			line_len = tvb_find_line_end(tvb, offset, -1, &next_offset, TRUE);
+			if (line_len == -1)
+				break;
+
+			ret += line_len + 1;
+			offset += line_len + 1;
+		}
+	}
+
+ out:
+	return ret;
+ }
+
+static int
+dissect_happp_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
+{
+	tcp_dissect_pdus(tvb, pinfo, tree, TRUE,
+	                 HAPPP_MSG_MIN_LEN, get_happp_msg_len, dissect_happp_pdu, data);
+
+	return tvb_captured_length(tvb);
+}
+
+/* Register the protocol with Wireshark.
+ *
+ * This format is require because a script is used to build the C function that
+ * calls all the protocol registration.
+ */
+void
+proto_register_happp(void)
+{
+	/* Setup list of header fields  See Section 1.5 of README.dissector for
+	 * details. */
+	static hf_register_info hf[] = {
+		{
+			/* This one is used as separator between HAPPP messages */
+			&hf_happp_fake,
+			{
+				":-----------------------------------------------", "happp.fake",
+				FT_STRING, STR_ASCII, NULL, 0, "FAKE", HFILL
+			}
+		},
+		{
+			&hf_happp_version,
+			{
+				"version", "happp.version",
+				FT_STRING, STR_ASCII, NULL, 0, "version", HFILL
+			}
+		},
+		{
+			&hf_happp_remotepeerid,
+			{
+				"remotepeerid", "happp.remotepeerid",
+				FT_STRING, STR_ASCII, NULL, 0, "remote peer id", HFILL
+			}
+		},
+		{
+			&hf_happp_localpeerid,
+			{
+				"localpeerid", "happp.localpeerid",
+				FT_STRING, STR_ASCII, NULL, 0, "local peer id", HFILL
+			}
+		},
+		{
+			&hf_happp_processpid,
+			{
+				"processpid", "happp.processpid",
+				FT_STRING, STR_ASCII, NULL, 0, "process pid", HFILL
+			}
+		},
+		{
+			&hf_happp_relativepid,
+			{
+				"relativepid", "happp.relativepid",
+				FT_STRING, STR_ASCII, NULL, 0, "relative pid", HFILL
+			}
+		},
+		{
+			&hf_happp_status,
+			{
+				"status", "happp.status",
+				FT_STRING, STR_ASCII, NULL, 0, "status message", HFILL
+			}
+		},
+		{
+			&hf_happp_msg,
+			{
+				"message", "happp.msg",
+				FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_msg_class,
+			{
+				"message class", "happp.msg.class",
+				FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_msg_type,
+			{
+				"message type", "happp.msg.type",
+				FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_msg_len,
+			{
+				"message length", "happp.msg.len",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_def_id,
+			{
+				"    ID", "happp.msg.stkt.def.id",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_def_name_len,
+			{
+				"    name length", "happp.msg.stkt.def.name.length",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_def_name_value,
+			{
+				"    name", "happp.msg.stkt.def.name.value",
+				FT_STRING, STR_ASCII, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_def_key_type,
+			{
+				"    key type", "happp.msg.stkt.def.key.type",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_def_key_len,
+			{
+				"    key length", "happp.msg.stkt.def.key.len",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_def_data_types,
+			{
+				"    data types", "happp.msg.stkt.def.data_types",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_update_id,
+			{
+				"    update ID", "happp.msg.stkt.updt.update_id",
+				FT_INT32, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_expire,
+			{
+				"    expiration", "happp.msg.stkt.updt.expiration",
+				FT_INT32, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_key_len,
+			{
+				"    key length", "happp.msg.stkt.updt.key.len",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_key_str_value,
+			{
+				"    key value", "happp.msg.stkt.updt.key.str.value",
+				FT_STRING, STR_ASCII, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_key_int_value,
+			{
+				"    key value", "happp.msg.stkt.updt.key.int.value",
+				FT_INT32, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_key_ipv4_value,
+			{
+				"    key IPv4 value", "happp.msg.stkt.updt.key.ipv4.value",
+				FT_IPv4, BASE_NONE, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_key_bytes_value,
+			{
+				"    key value", "happp.msg.stkt.updt.key.bytes.value",
+				FT_BYTES, 0, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_server_id,
+			{
+				"    server_id", "happp.msg.stkt.updt.data.server_id",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_gpt0,
+			{
+				"    gpt0", "happp.msg.stkt.updt.data.gpt0",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_gpc0,
+			{
+				"    gpc0", "happp.msg.stkt.updt.data.gpc0",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_gpc0_rate_curr_tick,
+			{
+				"    gpc0 curr. tick",
+				"happp.msg.stkt.updt.data.gpc0_rate.curr_tick",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_gpc0_rate_curr_ctr,
+			{
+				"    gpc0 curr. ctr.",
+				"happp.msg.stkt.updt.data.gpc0_rate.curr_ctr",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_gpc0_rate_prev_ctr,
+			{
+				"    gpc0 prev. ctr.",
+				"happp.msg.stkt.updt.data.gpc0_rate.prev_ctr",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_conn_cnt,
+			{
+				"    conn_cnt",
+				"happp.msg.stkt.updt.data.conn_cnt",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_conn_rate_curr_tick,
+			{
+				"    conn_rate curr. tick",
+				"happp.msg.stkt.updt.data.conn_rate.curr_tick",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_conn_rate_curr_ctr,
+			{
+				"    conn_rate curr. ctr.",
+				"happp.msg.stkt.updt.data.conn_rate.curr_ctr",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_conn_rate_prev_ctr,
+			{
+				"    conn_rate prev. ctr.",
+				"happp.msg.stkt.updt.data.conn_rate.prev_ctr",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_conn_cur,
+			{
+				"    conn_curr curr. tick",
+				"happp.msg.stkt.updt.data.conn_cur",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_sess_cnt,
+			{
+				"    sess_cnt", "happp.msg.stkt.updt.data.sess_cnt",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_sess_rate_curr_tick,
+			{
+				"    sess_rate curr. tick",
+				"happp.msg.stkt.updt.data.sess_rate.curr_tick",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_sess_rate_curr_ctr,
+			{
+				"    sess_rate curr. ctr.",
+				"happp.msg.stkt.updt.data.sess_rate.curr_ctr",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_sess_rate_prev_ctr,
+			{
+				"    sess_rate prev. ctr.",
+				"happp.msg.stkt.updt.data.sess_rate.prev_ctr",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_http_req_cnt,
+			{
+				"    http_req_cnt",
+				"happp.msg.stkt.updt.data.http_req_cnt",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_http_req_rate_curr_tick,
+			{
+				"    http_req_rate curr. tick",
+				"happp.msg.stkt.updt.data.http_req_rate.curr_tick",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_http_req_rate_curr_ctr,
+			{
+				"    http_req_rate curr. ctr.",
+				"happp.msg.stkt.updt.data.http_req_rate.curr_ctr",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_http_req_rate_prev_ctr,
+			{
+				"    http_req_rate prev. ctr.",
+				"happp.msg.stkt.updt.data.http_req_rate.prev_ctr",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_http_err_cnt,
+			{
+				"    http_err_cnt",
+				"happp.msg.stkt.updt.data.http_err_cnt",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_http_err_rate_curr_tick,
+			{
+				"    http_err_rate curr. tick",
+				"happp.msg.stkt.updt.data.http_err_rate.curr_tick",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_http_err_rate_curr_ctr,
+			{
+				"    http_err_rate curr. ctr.",
+				"happp.msg.stkt.updt.data.http_err_rate.curr_ctr",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_http_err_rate_prev_ctr,
+			{
+				"    http_err_rate prev. ctr.",
+				"happp.msg.stkt.updt.data.http_err_rate.prev_ctr",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_bytes_in_cnt,
+			{
+				"    bytes_in_cnt",
+				"happp.msg.stkt.updt.data.bytes_in_cnt",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_bytes_in_rate_curr_tick,
+			{
+				"    bytes_in_rate curr. tick",
+				"happp.msg.stkt.updt.data.bytes_in_rate.curr_tick",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_bytes_in_rate_curr_ctr,
+			{
+				"    bytes_in_rate curr. ctr.",
+				"happp.msg.stkt.updt.data.bytes_in_rate.curr_ctr",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_bytes_in_rate_prev_ctr,
+			{
+				"    bytes_in_rate prev. ctr.",
+				"happp.msg.stkt.updt.data.bytes_in_rate.prev_ctr",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_bytes_out_cnt,
+			{
+				"    bytes_out_cnt",
+				"happp.msg.stkt.updt.data.bytes_out_cnt",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_bytes_out_rate_curr_tick,
+			{
+				"    bytes_out_rate curr. tick",
+				"happp.msg.stkt.updt.data.bytes_out_rate.curr_tick",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_bytes_out_rate_curr_ctr,
+			{
+				"    bytes_out_rate curr. ctr.",
+				"happp.msg.stkt.updt.data.bytes_out_rate.curr_ctr",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_data_bytes_out_rate_prev_ctr,
+			{
+				"    bytes_out_rate prev. ctr.",
+				"happp.msg.stkt.updt.data.bytes_out_rate.prev_ctr",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_ack_table_id,
+			{
+				"    remote table Id",
+				"happp.msg.stkt.updt.ack.table_id",
+				FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+		{
+			&hf_happp_stkt_updt_ack_update_id,
+			{
+				"    update Id", "happp.msg.stkt.updt.ack.update_id",
+				FT_INT32, BASE_DEC, NULL, 0, NULL, HFILL
+			}
+		},
+	};
+
+	/* Setup protocol subtree array */
+	static gint *ett[] = {
+		&ett_happp,
+		&ett_happp_msg
+	};
+
+	/* Register the protocol name and description */
+	proto_happp = proto_register_protocol("HAProxy Peers Protocol", "HAPPP", "happp");
+
+	/* Required function calls to register the header fields and subtrees */
+	proto_register_field_array(proto_happp, hf, array_length(hf));
+	proto_register_subtree_array(ett, array_length(ett));
+}
+
+static gboolean
+dissect_happp_heur_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
+{
+	size_t proto_strlen;
+	conversation_t *conversation;
+
+	proto_strlen = strlen(HAPPP_PROTOCOL);
+
+	if (tvb_captured_length(tvb) < 2)
+		return FALSE;
+
+	if (tvb_get_guint8(tvb, 0) == PEER_MSG_CLASS_STICKTABLE &&
+	    tvb_get_guint8(tvb, 1) >= PEER_MSG_STKT_UPDATE &&
+	    tvb_get_guint8(tvb, 1) <= PEER_MSG_STKT_ACK)
+		goto found;
+
+	if (tvb_captured_length(tvb) < proto_strlen + 1)
+		return FALSE;
+
+	/* Check that we received a line beginning with HAPPP_PROTOCOL
+	 * followed by a space character.
+	 */
+	if (tvb_strneql(tvb, 0, HAPPP_PROTOCOL, proto_strlen) ||
+	    tvb_get_guint8(tvb, proto_strlen) != ' ')
+		return FALSE;
+
+ found:
+	conversation = find_or_create_conversation(pinfo);
+	if (!conversation)
+		return FALSE;
+
+	conversation_set_dissector(conversation, happp_tcp_handle);
+	dissect_happp_tcp(tvb, pinfo, tree, data);
+
+	return TRUE;
+}
+
+/* Simpler form of proto_reg_handoff_happp which can be used if there are
+ * no prefs-dependent registration function calls. */
+void
+proto_reg_handoff_happp(void)
+{
+	/* Use create_dissector_handle() to indicate that dissect_happp_tcp()
+	 * returns the number of bytes it dissected (or 0 if it thinks the packet
+	 * does not belong to HAProxy Peers Protocol).
+	 */
+	happp_tcp_handle = create_dissector_handle(dissect_happp_tcp, proto_happp);
+	heur_dissector_add("tcp", dissect_happp_heur_tcp, "HAPPP over TCP", "happp_tcp",
+	                   proto_happp, HEURISTIC_ENABLE);
+}
+
+
+void
+plugin_register(void)
+{
+    static proto_plugin plug;
+
+    plug.register_protoinfo = proto_register_happp;
+    plug.register_handoff = proto_reg_handoff_happp;
+    proto_register_plugin(&plug);
+}