Add PacketCable NCS 1.0 support for Docsis/Eurodocsis networks

(closes issue #12950)
 Reported by: alea-soluciones
 Patches: 
       ncs-pktccops-12950-r206803.patch uploaded by alea-soluciones (license 514)
 Tested by: alea-soluciones, adomjan, urtho, nahuelgreco


git-svn-id: http://svn.digium.com/svn/asterisk/trunk@227049 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 1483 insertions, 0 deletions

diff --git a/res/res_pktccops.c b/res/res_pktccops.c
new file mode 100644
index 000000000..3a539f59e
--- /dev/null
+++ b/res/res_pktccops.c
@@ -0,0 +1,1483 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2009, Attila Domjan
+ *
+ * Attila Domjan <attila.domjan.hu@gmail.com>
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+/*!\file
+ *
+ * \brief PacketCable COPS
+ * 
+ * \author Attila Domjan <attila.domjan.hu@gmail.com>
+ */
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <time.h>
+#include <errno.h>
+#include <arpa/inet.h>
+#include <signal.h>
+
+#include "asterisk/file.h"
+#include "asterisk/logger.h"
+#include "asterisk/channel.h"
+#include "asterisk/config.h"
+#include "asterisk/options.h"
+#include "asterisk/pbx.h"
+#include "asterisk/module.h"
+#include "asterisk/cli.h"
+#include "asterisk/lock.h"
+#define AST_API_MODULE
+#include "asterisk/pktccops.h"
+
+#define DEFAULT_COPS_PORT "2126"
+
+#define COPS_HEADER_SIZE 8
+#define COPS_OBJECT_HEADER_SIZE 4
+#define GATE_SET_OBJ_SIZE 144
+#define GATEID_OBJ_SIZE 8
+#define GATE_INFO_OBJ_SIZE 24
+
+#define PKTCCOPS_SCOMMAND_GATE_ALLOC 1
+#define PKTCCOPS_SCOMMAND_GATE_ALLOC_ACK 2
+#define PKTCCOPS_SCOMMAND_GATE_ALLOC_ERR 3
+#define PKTCCOPS_SCOMMAND_GATE_SET 4
+#define PKTCCOPS_SCOMMAND_GATE_SET_ACK 5
+#define PKTCCOPS_SCOMMAND_GATE_SET_ERR 6
+#define PKTCCOPS_SCOMMAND_GATE_INFO 7
+#define PKTCCOPS_SCOMMAND_GATE_INFO_ACK 8
+#define PKTCCOPS_SCOMMAND_GATE_INFO_ERR 9
+#define PKTCCOPS_SCOMMAND_GATE_DELETE 10
+#define PKTCCOPS_SCOMMAND_GATE_DELETE_ACK 11
+#define PKTCCOPS_SCOMMAND_GATE_DELETE_ERR 12
+#define PKTCCOPS_SCOMMAND_GATE_OPEN 13
+#define PKTCCOPS_SCOMMAND_GATE_CLOSE 14
+
+AST_MUTEX_DEFINE_STATIC(pktccops_lock);
+static pthread_t pktccops_thread = AST_PTHREADT_NULL;
+static uint16_t cops_trid = 0;
+
+struct pktcobj {
+	uint16_t length;
+	unsigned char cnum;
+	unsigned char ctype;
+	char *contents;
+	struct pktcobj *next; 
+};
+
+struct copsmsg {
+	unsigned char verflag;
+	unsigned char opcode;
+	uint16_t clienttype;
+	uint32_t length;
+	struct pktcobj *object;
+	char *msg; /* != NULL if not packet cable message received */
+};
+
+struct gatespec {
+	int direction; /* 0-DS, 1-US */
+	int protocolid;
+	int flags; /* 0x00 */
+	int sessionclass; /* normal voip: 0x01, high priority voip: 0x02, unspecified: 0x00 */
+	uint32_t srcip;
+	uint32_t dstip;
+	uint16_t srcp;
+	uint16_t dstp;
+	int diffserv;
+	uint16_t t1;
+	uint16_t t7;
+	uint16_t t8;
+	uint32_t r; /* Token Bucket Rate */
+	uint32_t b; /* token Bucket Size */
+	uint32_t p; /* Peak Data Rate */
+	uint32_t m; /* Minimum Policed Size*/
+	uint32_t mm; /* Maximum Policed Size */
+	uint32_t rate;
+	uint32_t s; /* Allowable Jitter*/
+};
+
+
+struct cops_cmts {
+	AST_LIST_ENTRY(cops_cmts) list;
+	char name[80];
+	char host[80];
+	char port[80];
+	uint16_t t1;	
+	uint16_t t7;
+	uint16_t t8;
+	uint32_t keepalive;
+
+	uint32_t handle;
+	int state;
+	time_t contime;
+	time_t katimer;
+	int sfd;
+	int need_delete;
+};
+
+struct cops_ippool {
+	AST_LIST_ENTRY(cops_ippool) list;
+	uint32_t start;
+	uint32_t stop;
+	struct cops_cmts *cmts;
+};
+
+static uint16_t t1 = 250;
+static uint16_t t7 = 200;
+static uint16_t t8 = 300;
+static uint32_t keepalive = 60;
+static int pktccopsdebug = 0;
+static int pktcreload = 0;
+static int gateinfoperiod = 60;
+static int gatetimeout = 150;
+
+AST_LIST_HEAD_STATIC(cmts_list, cops_cmts);
+AST_LIST_HEAD_STATIC(ippool_list, cops_ippool);
+AST_LIST_HEAD_STATIC(gate_list, cops_gate);
+
+static int pktccops_add_ippool(struct cops_ippool *ippool);
+static struct cops_gate *cops_gate_cmd(int cmd, struct cops_cmts *cmts, uint16_t trid, uint32_t mta, uint32_t actcount, float bitrate, uint32_t psize, uint32_t ssip, uint16_t ssport, struct cops_gate *gate);
+static void pktccops_unregister_ippools(void);
+static int load_pktccops_config(void);
+
+static uint32_t ftoieeef(float n)
+{
+	uint32_t res;
+	memcpy(&res, &n, 4);
+	return htonl(res);
+}
+
+static uint16_t cops_constructgatespec(struct gatespec *gs, char *res)
+{
+	if (res == NULL) {
+		return 0;
+	}
+	
+	*res = (char) gs->direction;
+	*(res + 1) = (char) gs->protocolid;
+	*(res + 2) = (char) gs->flags;
+	*(res + 3) = (char) gs->sessionclass;
+
+	*((uint32_t *) (res + 4)) = gs->srcip;
+	*((uint32_t *) (res + 8)) = gs->dstip;
+
+	*((uint16_t *) (res + 12)) = gs->srcp;
+	*((uint16_t *) (res + 14)) = gs->dstp;
+
+	*(res + 16) = (char) gs->diffserv;
+	*(res + 17) = 0; /* reserved */
+	*(res + 18) = 0; /* reserved */
+	*(res + 19) = 0; /* reserved */
+
+	*((uint16_t *) (res + 20)) = gs->t1;
+	*(res + 22) = 0; /* reserved */
+	*(res + 23) = 0; /* reserved */
+
+	*((uint16_t *) (res + 24)) = gs->t7;
+	*((uint16_t *) (res + 26)) = gs->t8;
+
+	*((uint32_t *) (res + 28)) = gs->r;
+	*((uint32_t *) (res + 32)) = gs->b;
+	*((uint32_t *) (res + 36)) = gs->p;
+	*((uint32_t *) (res + 40)) = gs->m;
+	*((uint32_t *) (res + 44)) = gs->mm;
+	*((uint32_t *) (res + 48)) = gs->rate;
+	*((uint32_t *) (res + 52)) = gs->s;
+	return 56; /* length */
+};
+
+static uint16_t cops_construct_gate (int cmd, char *p,  uint16_t trid,
+		uint32_t mtahost, uint32_t actcount, float rate, uint32_t psizegateid,
+		uint32_t ssip, uint16_t ssport, uint32_t gateid, struct cops_cmts *cmts)
+{
+	struct gatespec gs;
+	int offset = 0;
+	
+	ast_debug(3, "CMD: %d\n", cmd);
+
+	/* Transaction Identifier 8 octets */
+	*(p + offset++) = 0;
+	*(p + offset++) = 8; /* length */
+	*(p + offset++) = 1; /* snum */
+	*(p + offset++) = 1; /* stype */
+	*((uint16_t *) (p + offset)) = htons(trid);
+	offset += 2;
+	*(p + offset++) = 0;
+	*(p + offset++) = (cmd == GATE_DEL) ? PKTCCOPS_SCOMMAND_GATE_DELETE : (cmd != GATE_INFO) ? PKTCCOPS_SCOMMAND_GATE_SET : PKTCCOPS_SCOMMAND_GATE_INFO; /* 4: GATE-SET, 7: GATE-INFO */
+
+	/*Subscriper Identifier 8 octets */
+	*(p + offset++) = 0;
+	*(p + offset++) = 8; /* length */
+	*(p + offset++) = 2; /* snum */
+	*(p + offset++) = 1; /* stype */
+	*((uint32_t *) (p + offset)) = htonl(mtahost);
+	offset += 4;
+	
+	if (cmd == GATE_INFO || cmd == GATE_SET_HAVE_GATEID || cmd == GATE_DEL) {
+		/* Gate ID 8 Octets */
+		*(p + offset++) = 0;
+		*(p + offset++) = 8; /* length */
+		*(p + offset++) = 3; /* snum */
+		*(p + offset++) = 1; /* stype */
+		*((uint32_t *) (p + offset)) = htonl(gateid);
+		offset += 4;
+		if (cmd == GATE_INFO || cmd == GATE_DEL) {
+			return offset;
+		}
+	
+	}
+
+	/* Activity Count 8 octets */
+	*(p + offset++) = 0;
+	*(p + offset++) = 8; /* length */
+	*(p + offset++) = 4; /* snum */
+	*(p + offset++) = 1; /* stype */
+	*((uint32_t *) (p + offset)) = htonl(actcount);
+	offset += 4;
+
+
+	/* Gate Spec 2*60 Octets */
+	gs.direction = 0; /* DS */
+	gs.protocolid = 17; /* UDP */
+	gs.flags = 0;
+	gs.sessionclass = 1;
+	gs.srcip = htonl(ssip);
+	gs.dstip = htonl(mtahost);
+	gs.srcp = htons(ssport);
+	gs.dstp = 0;
+/*	gs.diffserv = 0xa0;*/
+	gs.diffserv = 0;
+	gs.t1 = htons(cmts->t1);
+	gs.t7 = htons(cmts->t7);
+	gs.t8 = htons(cmts->t8);
+	gs.r = ftoieeef(rate);
+	gs.b = ftoieeef(psizegateid);
+	gs.p = ftoieeef(rate);
+	gs.m = htonl((uint32_t) psizegateid);
+	gs.mm = htonl((uint32_t) psizegateid);
+	gs.rate = ftoieeef(rate);
+	gs.s = htonl(800);
+
+
+	*(p + offset) = 0;
+	offset++;
+	*(p + offset) = 60; /* length */
+	offset++;
+	*(p + offset) = 5; /* snum */
+	offset++;
+	*(p + offset) = 1; /* stype */
+	offset++;
+	offset += cops_constructgatespec(&gs, p + offset);
+
+
+	gs.direction = 1; /* US */
+	gs.srcip = htonl(mtahost);
+	gs.dstip = htonl(ssip);
+	gs.srcp = 0;
+	gs.dstp = htons(ssport);
+	*(p + offset) = 0;
+	offset++;
+	*(p + offset) = 60; /* length */
+	offset++;
+	*(p + offset) = 5; /* snum */
+	offset++;
+	*(p + offset) = 1; /* stype */
+	offset++;
+	offset += cops_constructgatespec(&gs, p + offset);
+
+	return(offset);
+}
+
+static int cops_getmsg (int sfd, struct copsmsg *recmsg)
+{
+	int len, lent;
+	char buf[COPS_HEADER_SIZE];
+	struct pktcobj *pobject = NULL;
+	recmsg->msg = NULL;
+	recmsg->object = NULL;
+	len = recv(sfd, buf, COPS_HEADER_SIZE, MSG_DONTWAIT);
+	if (len < COPS_HEADER_SIZE) {
+		return len;
+	}
+	recmsg->verflag = *buf;
+	recmsg->opcode = *(buf + 1);
+	recmsg->clienttype = ntohs(*((uint16_t *) (buf + 2)));
+	recmsg->length = ntohl(*((uint32_t *) (buf + 4)));
+	/* Eg KA msg*/
+	if (recmsg->clienttype != 0x8008 ) {
+		if (!(recmsg->msg = malloc(recmsg->length - COPS_HEADER_SIZE))) {
+			return -1;
+		}
+		lent = recv(sfd, recmsg->msg, recmsg->length - COPS_HEADER_SIZE, MSG_DONTWAIT);
+		if (lent < recmsg->length - COPS_HEADER_SIZE) {
+			return lent;
+		}
+		len += len;
+	} else {
+		/* PacketCable Objects */
+		while (len < recmsg->length) {
+			if (len == COPS_HEADER_SIZE) {
+				/* 1st round */
+				if (!(recmsg->object = malloc(sizeof(struct pktcobj)))) {
+					return -1;
+				}
+				pobject = recmsg->object;
+			} else {
+		 		if (!(pobject->next = malloc(sizeof(struct pktcobj)))) {
+					return -1;
+				}
+				pobject = pobject->next;
+			}
+			pobject->next = NULL;
+			lent = recv(sfd, buf, COPS_OBJECT_HEADER_SIZE, MSG_DONTWAIT);
+			if (lent < COPS_OBJECT_HEADER_SIZE) {
+				ast_debug(3, "Too short object header len: %i\n", lent);
+				return lent;
+			}
+			len += lent;
+			pobject->length = ntohs(*((uint16_t *) buf));
+			pobject->cnum = *(buf + 2);
+			pobject->ctype = *(buf + 3);
+			if (!(pobject->contents = malloc(pobject->length - COPS_OBJECT_HEADER_SIZE))) {
+				return -1;
+			}
+			lent = recv(sfd, pobject->contents, pobject->length - COPS_OBJECT_HEADER_SIZE, MSG_DONTWAIT);
+			if (lent < pobject->length - COPS_OBJECT_HEADER_SIZE) {
+				ast_debug(3, "Too short object content len: %i\n", lent);
+				return lent;
+			}
+			len += lent;
+		}
+	}
+	return len;
+}
+
+static int cops_sendmsg (int sfd, struct copsmsg * sendmsg)
+{
+	char *buf;
+	int bufpos;
+	struct pktcobj *pobject;
+	
+	if (sfd < 0) {
+		return -1;
+	}
+
+	ast_debug(3, "COPS: sending opcode: %i len: %i\n", sendmsg->opcode, sendmsg->length);
+	if (sendmsg->length < COPS_HEADER_SIZE) {
+		ast_log(LOG_WARNING, "COPS: invalid msg size!!!\n");
+		return -1;
+	}
+	if (!(buf = malloc((size_t) sendmsg->length))) {
+		return -1;
+	}
+	*buf = sendmsg->verflag ;
+	*(buf + 1) = sendmsg->opcode;
+	*((uint16_t *)(buf + 2)) = htons(sendmsg->clienttype);
+	*((uint32_t *)(buf + 4)) = htonl(sendmsg->length);
+
+	if (sendmsg->msg != NULL) {
+		memcpy(buf + COPS_HEADER_SIZE, sendmsg->msg, sendmsg->length - COPS_HEADER_SIZE);
+	} else if (sendmsg->object != NULL) {
+		bufpos = 8;
+		pobject = sendmsg->object;
+		while(pobject != NULL) {
+			ast_debug(3, "COPS: Sending Object : cnum: %i ctype %i len: %i\n", pobject->cnum, pobject->ctype, pobject->length);
+			if (sendmsg->length < bufpos + pobject->length) {
+				ast_log(LOG_WARNING, "COPS: Invalid msg size len: %i objectlen: %i\n", sendmsg->length, pobject->length);
+				free(buf);
+				return -1;
+			}
+			*(uint16_t *) (buf + bufpos) = htons(pobject->length);
+			*(buf + bufpos + 2) = pobject->cnum;
+			*(buf + bufpos + 3) = pobject->ctype;
+			if (sendmsg->length < pobject->length + bufpos) {
+				ast_log(LOG_WARNING, "COPS: Error sum of object len more the msg len %i < %i\n", sendmsg->length, pobject->length + bufpos);
+				free(buf);
+				return -1;
+			}
+			memcpy((buf + bufpos + 4), pobject->contents, pobject->length - 4);
+			bufpos += pobject->length;
+			pobject = pobject->next;
+		}
+	}
+	
+	errno = 0;
+	if (send(sfd, buf, sendmsg->length, MSG_NOSIGNAL | MSG_DONTWAIT ) == -1) {
+		ast_log(LOG_WARNING, "COPS: Send failed errno=%i\n", errno);
+		free(buf);
+		return -2;
+	}
+	free(buf);
+	return 0;
+}
+
+static void cops_freemsg(struct copsmsg *p)
+{
+	struct pktcobj *pnext;
+	free(p->msg);
+	p->msg = NULL;
+	while (p->object != NULL) {
+			pnext = p->object->next;
+			ast_free(p->object->contents);
+			p->object->contents = NULL;
+			ast_free(p->object);
+			p->object = pnext;
+	}
+	p->object = NULL;
+}
+
+struct cops_gate * AST_OPTIONAL_API_NAME(ast_pktccops_gate_alloc)(int cmd,
+		struct cops_gate *gate, uint32_t mta, uint32_t actcount, float bitrate,
+		uint32_t psize, uint32_t ssip, uint16_t ssport,
+		int (* const got_dq_gi) (struct cops_gate *gate),
+		int (* const gate_remove) (struct cops_gate *gate))
+{
+	while (pktcreload) {
+		sched_yield();
+	}
+
+	if (cmd == GATE_SET_HAVE_GATEID && gate) {
+		ast_debug(3, "------- gate modify gateid 0x%x ssip: 0x%x\n", gate->gateid, ssip);
+		/* TODO implement it */
+		ast_log(LOG_WARNING, "Modify GateID not implemented\n");
+	} 
+	
+	if ((gate = cops_gate_cmd(cmd, NULL, cops_trid++, mta, actcount, bitrate, psize, ssip, ssport, gate))) {
+		ast_debug(3, "COPS: Allocating gate for mta: 0x%x\n", mta);
+		gate->got_dq_gi = got_dq_gi;
+		gate->gate_remove = gate_remove;
+		return(gate);
+	} else {
+		ast_debug(3, "COPS: Couldn't allocate gate for mta: 0x%x\n", mta); 
+		return NULL;
+	}
+}
+
+static struct cops_gate *cops_gate_cmd(int cmd, struct cops_cmts *cmts,
+		uint16_t trid, uint32_t mta, uint32_t actcount, float bitrate,
+		uint32_t psize, uint32_t ssip, uint16_t ssport, struct cops_gate *gate)
+{
+	struct copsmsg *gateset;
+	struct cops_gate *new;
+	struct cops_ippool *ippool;
+
+	if (cmd == GATE_DEL) {
+		if (gate == NULL) {
+			return NULL;
+		} else {
+			cmts = gate->cmts;
+		}
+	}
+
+	if (!cmts) {
+		AST_LIST_LOCK(&ippool_list);
+		AST_LIST_TRAVERSE(&ippool_list, ippool, list) {
+			if (mta >= ippool->start && mta <= ippool->stop) {
+				cmts = ippool->cmts;
+				break;
+			}
+		}
+		AST_LIST_UNLOCK(&ippool_list);
+		if (!cmts) {
+			ast_log(LOG_WARNING, "COPS: couldn't find cmts for mta: 0x%x\n", mta);
+			return NULL;
+		}
+		if (cmts->sfd < 0) {
+			ast_log(LOG_WARNING, "CMTS: %s not connected\n", cmts->name);
+			return NULL;
+		}
+	}
+
+	if (cmd == GATE_SET) {
+		new = ast_calloc(1, sizeof(*new));
+		new->gateid = 0;
+		new->trid = trid;
+		new->mta = mta;
+		new->state = GATE_ALLOC_PROGRESS;
+		new->checked = time(NULL);
+		new->allocated = time(NULL);
+		new->cmts = cmts;
+		new->got_dq_gi = NULL;
+		new->gate_remove = NULL;
+		new->gate_open = NULL;
+		new->tech_pvt = NULL;
+		new->deltimer = 0;
+		AST_LIST_LOCK(&gate_list);
+		AST_LIST_INSERT_HEAD(&gate_list, new, list);
+		AST_LIST_UNLOCK(&gate_list);
+		gate = new;
+	} else {
+		if (gate) {
+			gate->trid = trid;
+		}
+	}
+	
+	gate->in_transaction = time(NULL);
+
+	if (!(gateset = malloc(sizeof(struct copsmsg)))) {
+		free(gateset);
+		return NULL;
+	}
+	gateset->msg = NULL;
+	gateset->verflag = 0x10;
+	gateset->opcode = 2; /* Decision */
+	gateset->clienttype = 0x8008; /* =PacketCable */
+	
+	/* Handle object */
+	gateset->object = malloc(sizeof(struct pktcobj));
+	if (!gateset->object) {
+		cops_freemsg(gateset);
+		free(gateset);
+		return NULL;
+	}
+	gateset->object->length = COPS_OBJECT_HEADER_SIZE + 4;
+	gateset->object->cnum = 1; /* Handle */
+	gateset->object->ctype = 1; /* client */
+	if (!(gateset->object->contents = malloc(sizeof(uint32_t)))) {
+		cops_freemsg(gateset);
+		free(gateset);
+		return NULL;
+	}
+	*((uint32_t *) gateset->object->contents) = htonl(cmts->handle);
+
+	/* Context Object */
+	if (!(gateset->object->next = malloc(sizeof(struct pktcobj)))) {
+		cops_freemsg(gateset);
+		free(gateset);
+		return NULL;
+	}
+	gateset->object->next->length = COPS_OBJECT_HEADER_SIZE + 4;
+	gateset->object->next->cnum = 2; /* Context */
+	gateset->object->next->ctype = 1; /* Context */
+	if (!(gateset->object->next->contents = malloc(sizeof(uint32_t)))) {
+		cops_freemsg(gateset);
+		free(gateset);
+		return NULL;
+	}
+	*((uint32_t *) gateset->object->next->contents) = htonl(0x00080000); /* R-Type = 8 configuration request, M-Type = 0 */
+
+	/* Decision Object: Flags */
+	if (!(gateset->object->next->next = malloc(sizeof(struct pktcobj)))) {
+		cops_freemsg(gateset);
+		free(gateset);
+		return NULL;
+	}
+	gateset->object->next->next->length = COPS_OBJECT_HEADER_SIZE + 4;
+	gateset->object->next->next->cnum = 6; /* Decision */
+	gateset->object->next->next->ctype = 1; /* Flags */
+	if (!(gateset->object->next->next->contents = malloc(sizeof(uint32_t)))) {
+		cops_freemsg(gateset);
+		free(gateset);
+		return NULL;
+	}
+	*((uint32_t *) gateset->object->next->next->contents) = htonl(0x00010001); /* Install, Trigger Error */
+
+	/* Decision Object: Data */
+	if (!(gateset->object->next->next->next = malloc(sizeof(struct pktcobj)))) {
+		cops_freemsg(gateset);
+		free(gateset);
+		return NULL;
+	}
+	gateset->object->next->next->next->length = COPS_OBJECT_HEADER_SIZE + ((cmd != GATE_INFO && cmd != GATE_DEL) ? GATE_SET_OBJ_SIZE : GATE_INFO_OBJ_SIZE) + ((cmd == GATE_SET_HAVE_GATEID) ? GATEID_OBJ_SIZE : 0);
+	gateset->object->next->next->next->cnum = 6; /* Decision */
+	gateset->object->next->next->next->ctype = 4; /* Decision Data */
+	gateset->object->next->next->next->contents = malloc(((cmd != GATE_INFO && cmd != GATE_DEL) ? GATE_SET_OBJ_SIZE : GATE_INFO_OBJ_SIZE) + ((cmd == GATE_SET_HAVE_GATEID) ? GATEID_OBJ_SIZE : 0));
+	if (!gateset->object->next->next->next->contents) {
+		cops_freemsg(gateset);
+		free(gateset);
+		return NULL;
+	}
+	gateset->object->next->next->next->next = NULL;
+	
+	gateset->length = COPS_HEADER_SIZE + gateset->object->length + gateset->object->next->length + gateset->object->next->next->length + gateset->object->next->next->next->length;
+
+	if ((cmd == GATE_INFO || cmd == GATE_SET_HAVE_GATEID || cmd == GATE_DEL) && gate) {
+		ast_debug(1, "Construct gate with gateid: 0x%x\n", gate->gateid);
+		cops_construct_gate(cmd, gateset->object->next->next->next->contents, trid, mta, actcount, bitrate, psize, ssip, ssport, gate->gateid, cmts);
+	} else {
+		ast_debug(1, "Construct new gate\n");
+		cops_construct_gate(cmd, gateset->object->next->next->next->contents, trid, mta, actcount, bitrate, psize, ssip, ssport, 0, cmts);
+	}
+	if (pktccopsdebug) {
+		ast_debug(3, "send cmd\n");
+	}
+	cops_sendmsg(cmts->sfd, gateset);
+	cops_freemsg(gateset);
+	free(gateset);
+	return gate;
+}
+
+static int cops_connect(char *host, char *port)
+{
+	int s, sfd = -1, flags;
+	struct addrinfo hints;
+	struct addrinfo *rp;
+	struct addrinfo *result;
+
+	memset(&hints, 0, sizeof(struct addrinfo));
+
+	hints.ai_family = AF_UNSPEC;    
+	hints.ai_socktype = SOCK_STREAM;
+	hints.ai_flags = 0;
+	hints.ai_protocol = 0;
+
+	s = getaddrinfo(host, port, &hints, &result);
+	if (s != 0) {
+		ast_log(LOG_WARNING, "COPS: getaddrinfo: %s\n", gai_strerror(s));
+		return -1;
+	}
+
+	for (rp = result; rp != NULL; rp = rp->ai_next) {
+		sfd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
+		if (sfd == -1) {
+			ast_log(LOG_WARNING, "Failed socket\n");
+		}
+		flags = fcntl(sfd, F_GETFL);
+		fcntl(sfd, F_SETFL, flags | O_NONBLOCK);
+		connect(sfd, rp->ai_addr, rp->ai_addrlen);
+		if (sfd == -1) {
+			ast_log(LOG_WARNING, "Failed connect\n");
+		}
+	}
+	freeaddrinfo(result);
+
+	ast_debug(3, "Connecting to cmts:  %s:%s\n", host, port);
+	return(sfd);
+}
+
+#define PKTCCOPS_DESTROY_CURRENT_GATE   \
+		AST_LIST_REMOVE_CURRENT(list);  \
+		if (gate->gate_remove) {        \
+			gate->gate_remove(gate);    \
+		}                               \
+		ast_free(gate);
+
+static void *do_pktccops(void *data)
+{
+	int res, nfds, len;
+	struct copsmsg *recmsg, *sendmsg;
+	struct copsmsg recmsgb, sendmsgb;
+	fd_set rfds;
+	struct timeval tv;
+	struct pktcobj *pobject;	
+	struct cops_cmts *cmts;
+	struct cops_gate *gate;
+	char *sobjp;
+	uint16_t snst, sobjlen, scommand, recvtrid, actcount, reason, subreason;
+	uint32_t gateid, subscrid, pktcerror;
+	time_t last_exec = 0;
+
+	recmsg = &recmsgb;
+	sendmsg = &sendmsgb;
+
+	ast_debug(3, "COPS: thread started\n");
+
+	for (;;) {
+		tv.tv_sec = 1;
+		tv.tv_usec = 0;
+		FD_ZERO(&rfds);
+		nfds = 0;
+		AST_LIST_LOCK(&cmts_list);
+		AST_LIST_TRAVERSE(&cmts_list, cmts, list) {
+			if (last_exec != time(NULL)) {
+				if (cmts->state == 2 && cmts->katimer + cmts->keepalive < time(NULL)) {
+					ast_log(LOG_WARNING, "KA timer (%is) expired cmts: %s\n",  cmts->keepalive, cmts->name);
+					cmts->state = 0;
+					cmts->katimer = -1;
+					close(cmts->sfd);
+					cmts->sfd = -1;
+				}
+			}
+			if (cmts->sfd > 0) {
+				FD_SET(cmts->sfd, &rfds);
+				if (cmts->sfd > nfds) nfds = cmts->sfd;
+			} else {
+				cmts->sfd = cops_connect(cmts->host, cmts->port);
+				if (cmts->sfd > 0) {
+					cmts->state = 1;
+					if (cmts->sfd > 0) {
+						FD_SET(cmts->sfd, &rfds);
+						if (cmts->sfd > nfds) nfds = cmts->sfd;
+					}
+				}
+			}
+		}
+		AST_LIST_UNLOCK(&cmts_list);
+
+		if (last_exec != time(NULL)) {
+			last_exec = time(NULL);
+			AST_LIST_LOCK(&gate_list);
+			AST_LIST_TRAVERSE_SAFE_BEGIN(&gate_list, gate, list) {
+				if (gate) {
+					if (gate->deltimer && gate->deltimer < time(NULL)) {
+						gate->deltimer = time(NULL) + 5;
+						gate->trid = cops_trid++;
+						cops_gate_cmd(GATE_DEL, gate->cmts, gate->trid, 0, 0, 0, 0, 0, 0, gate);
+						ast_debug(3, "COPS: requested Gate-Del: CMTS: %s gateid: 0x%x\n", (gate->cmts) ? gate->cmts->name : "null", gate->gateid);
+					}
+					if (time(NULL) - gate->checked > gatetimeout) {
+						ast_debug(3, "COPS: remove from list GATE, CMTS: %s gateid: 0x%x\n", (gate->cmts) ? gate->cmts->name : "null", gate->gateid);
+						gate->state = GATE_TIMEOUT;
+						PKTCCOPS_DESTROY_CURRENT_GATE;
+					} else if (time(NULL) - gate->checked > gateinfoperiod && (gate->state == GATE_ALLOCATED || gate->state == GATE_OPEN)) {
+						if (gate->cmts && (!gate->in_transaction || ( gate->in_transaction + 5 ) < time(NULL))) {
+							gate->trid = cops_trid++;
+							ast_debug(3, "COPS: Gate-Info send to CMTS: %s gateid: 0x%x\n", gate->cmts->name, gate->gateid);
+							cops_gate_cmd(GATE_INFO, gate->cmts, gate->trid, gate->mta, 0, 0, 0, 0, 0, gate);
+						}
+					}
+				}
+			}
+			AST_LIST_TRAVERSE_SAFE_END;
+			AST_LIST_UNLOCK(&gate_list);
+		}
+
+		if (pktcreload == 2) {
+			pktcreload = 0;
+		}
+		if ((res = select(nfds + 1, &rfds, NULL, NULL, &tv))) {
+			AST_LIST_LOCK(&cmts_list);
+			AST_LIST_TRAVERSE(&cmts_list, cmts, list) {
+				if (FD_ISSET(cmts->sfd, &rfds)) {
+					len = cops_getmsg(cmts->sfd, recmsg);
+					if (len > 0) {
+						ast_debug(3, "COPS: got from %s:\n Header: versflag=0x%.2x opcode=%i clienttype=0x%.4x msglength=%i\n",
+							cmts->name, recmsg->verflag, recmsg->opcode, recmsg->clienttype, recmsg->length);
+						if (recmsg->object != NULL) {
+							pobject = recmsg->object;
+							while (pobject != NULL) {
+								ast_debug(3, " OBJECT: length=%i cnum=%i ctype=%i\n", pobject->length, pobject->cnum, pobject->ctype);
+								if (recmsg->opcode == 1 && pobject->cnum == 1 && pobject->ctype == 1 ) {
+									cmts->handle = ntohl(*((uint32_t *) pobject->contents));
+									ast_debug(3, "    REQ client handle: %i\n", cmts->handle);
+									cmts->state = 2;
+									cmts->katimer = time(NULL);
+								} else if (pobject->cnum == 9 && pobject->ctype == 1) {
+									sobjp = pobject->contents;
+									subscrid = 0;
+									recvtrid = 0;
+									scommand = 0;
+									pktcerror = 0;
+									actcount = 0;
+									gateid = 0;
+									reason = 0;
+									subreason = 0;
+									while (sobjp < (pobject->contents + pobject->length - 4)) {
+										sobjlen = ntohs(*((uint16_t *) sobjp));
+										snst = ntohs(*((uint16_t *) (sobjp + 2)));
+										ast_debug(3, "   S-Num S-type: 0x%.4x len: %i\n", snst, sobjlen);
+										if (snst == 0x0101 ) {
+											recvtrid = ntohs(*((uint16_t *) (sobjp + 4)));
+											scommand = ntohs(*((uint16_t *) (sobjp + 6)));					
+											ast_debug(3, "     Transaction Identifier command: %i trid %i\n", scommand, recvtrid);
+										} else if (snst == 0x0201) {
+											subscrid = ntohl(*((uint32_t *) (sobjp + 4)));
+											ast_debug(3, "     Subscriber ID: 0x%.8x\n", subscrid);
+										} else if (snst == 0x0301) {
+											gateid = ntohl(*((uint32_t *) (sobjp + 4)));
+											ast_debug(3, "      Gate ID: 0x%x 0x%.8x\n", gateid, gateid);
+										} else if (snst == 0x0401) {
+											actcount = ntohs(*((uint16_t *) (sobjp + 6)));
+											ast_debug(3, "      Activity Count: %i\n", actcount);
+										} else if (snst == 0x0901) {
+											pktcerror = ntohl(*((uint32_t *) (sobjp + 4)));
+											ast_debug(3, "      PKTC Error: 0x%.8x\n", pktcerror);
+										} else if (snst == 0x0d01) {
+											reason = ntohs(*((uint16_t *) (sobjp + 4)));
+											subreason = ntohs(*((uint16_t *) (sobjp + 6)));
+											ast_debug(3, "      Reason: %u Subreason: %u\n", reason, subreason);
+										}
+										sobjp += sobjlen;
+										if (!sobjlen)
+											break;
+									}
+									if (scommand == PKTCCOPS_SCOMMAND_GATE_CLOSE || scommand == PKTCCOPS_SCOMMAND_GATE_OPEN) {
+										AST_LIST_LOCK(&gate_list);
+										AST_LIST_TRAVERSE_SAFE_BEGIN(&gate_list, gate, list) {
+											if (gate->cmts == cmts && gate->gateid == gateid) {
+												if (scommand == PKTCCOPS_SCOMMAND_GATE_CLOSE && gate->state != GATE_CLOSED && gate->state != GATE_CLOSED_ERR ) {
+													ast_debug(3, "COPS Gate Close Gate ID: 0x%x TrId: %i CMTS: %s\n", gateid, recvtrid, cmts->name);
+													if (subreason) {
+														gate->state = GATE_CLOSED_ERR;
+														PKTCCOPS_DESTROY_CURRENT_GATE;
+													} else {
+														gate->state = GATE_CLOSED;
+														PKTCCOPS_DESTROY_CURRENT_GATE;
+													}
+													break;
+												} else if (scommand == PKTCCOPS_SCOMMAND_GATE_OPEN && gate->state == GATE_ALLOCATED) {
+													ast_debug(3, "COPS Gate Open Gate ID: 0x%x TrId: %i CMTS: %s\n", gateid, recvtrid, cmts->name);
+													gate->state = GATE_OPEN;
+													if (gate->gate_open) {
+														ast_debug(3, "Calling GATE-OPEN callback function\n");
+														gate->gate_open(gate);
+														gate->gate_open = NULL;
+													}
+													break;
+												} 
+											}
+										}
+										AST_LIST_TRAVERSE_SAFE_END;
+										AST_LIST_UNLOCK(&gate_list);
+									} else if (scommand == PKTCCOPS_SCOMMAND_GATE_SET_ACK || scommand == PKTCCOPS_SCOMMAND_GATE_SET_ERR || scommand == PKTCCOPS_SCOMMAND_GATE_INFO_ACK || scommand == PKTCCOPS_SCOMMAND_GATE_INFO_ERR || scommand == PKTCCOPS_SCOMMAND_GATE_DELETE_ACK) {
+										AST_LIST_LOCK(&gate_list);
+										AST_LIST_TRAVERSE_SAFE_BEGIN(&gate_list, gate, list) {
+											if (gate->cmts == cmts && gate->trid == recvtrid) {
+												gate->gateid = gateid;
+												gate->checked = time(NULL);
+												if (scommand == PKTCCOPS_SCOMMAND_GATE_SET_ACK) {
+													ast_debug(3, "COPS Gate Set Ack Gate ID: 0x%x TrId: %i CMTS: %s\n", gateid, recvtrid, cmts->name);
+													gate->state = GATE_ALLOCATED;
+													if (gate->got_dq_gi) {
+														gate->got_dq_gi(gate);
+														gate->got_dq_gi = NULL;
+													}
+												} else if (scommand == PKTCCOPS_SCOMMAND_GATE_SET_ERR) {
+													ast_debug(3, "COPS Gate Set Error TrId: %i ErrorCode: 0x%.8x CMTS: %s\n ", recvtrid, pktcerror, cmts->name);
+													gate->state = GATE_ALLOC_FAILED;
+													if (gate->got_dq_gi) {
+														gate->got_dq_gi(gate);
+														gate->got_dq_gi = NULL;
+													}
+													PKTCCOPS_DESTROY_CURRENT_GATE;
+												} else if (scommand == PKTCCOPS_SCOMMAND_GATE_INFO_ACK) {
+													ast_debug(3, "COPS Gate Info Ack Gate ID: 0x%x TrId: %i CMTS: %s\n", gateid, recvtrid, cmts->name);
+												} else if (scommand == PKTCCOPS_SCOMMAND_GATE_INFO_ERR) {
+													ast_debug(3, "COPS Gate Info Error Gate ID: 0x%x TrId: %i CMTS: %s\n", gateid, recvtrid, cmts->name);
+													gate->state = GATE_ALLOC_FAILED;
+													PKTCCOPS_DESTROY_CURRENT_GATE;
+												} else if (scommand == PKTCCOPS_SCOMMAND_GATE_DELETE_ACK) {
+													ast_debug(3, "COPS Gate Deleted Gate ID: 0x%x TrId: %i CMTS: %s\n", gateid, recvtrid, cmts->name);
+													gate->state = GATE_DELETED;
+													PKTCCOPS_DESTROY_CURRENT_GATE;
+												}
+												gate->in_transaction = 0;
+												break;
+											}
+										}
+										AST_LIST_TRAVERSE_SAFE_END;
+										AST_LIST_UNLOCK(&gate_list);
+									}
+								}
+								pobject = pobject->next;
+							}
+						}
+
+						if (recmsg->opcode == 6 && recmsg->object && recmsg->object->cnum == 11 && recmsg->object->ctype == 1) {
+							ast_debug(3, "COPS: Client open %s\n", cmts->name);
+							sendmsg->msg = NULL;
+							sendmsg->verflag = 0x10;
+							sendmsg->opcode = 7; /* Client Accept */
+							sendmsg->clienttype = 0x8008; /* =PacketCable */
+							sendmsg->length = COPS_HEADER_SIZE + COPS_OBJECT_HEADER_SIZE + 4;
+							sendmsg->object = malloc(sizeof(struct pktcobj));
+							sendmsg->object->length = 4 + COPS_OBJECT_HEADER_SIZE;
+							sendmsg->object->cnum = 10; /* keppalive timer*/
+							sendmsg->object->ctype = 1;
+							sendmsg->object->contents = malloc(sizeof(uint32_t));
+							*((uint32_t *) sendmsg->object->contents) = htonl(cmts->keepalive & 0x0000ffff);
+							sendmsg->object->next = NULL;
+							cops_sendmsg(cmts->sfd, sendmsg);
+							cops_freemsg(sendmsg);
+						} else if (recmsg->opcode == 9) {
+							ast_debug(3, "COPS: Keepalive Request got echoing back %s\n", cmts->name);
+							cops_sendmsg(cmts->sfd, recmsg);
+							cmts->state = 2;
+							cmts->katimer = time(NULL);
+						}
+					} 
+					if (len <= 0) {
+						ast_debug(3, "COPS: lost connection to %s\n", cmts->name);
+						close(cmts->sfd);
+						cmts->sfd = -1;
+						cmts->state = 0;
+					}
+					cops_freemsg(recmsg);
+				}
+			}
+			AST_LIST_UNLOCK(&cmts_list);			
+		}
+		if (pktcreload) {
+			ast_debug(3, "Reloading pktccops...\n");
+			AST_LIST_LOCK(&gate_list);
+			AST_LIST_LOCK(&cmts_list);
+			pktccops_unregister_ippools();
+			AST_LIST_TRAVERSE(&cmts_list, cmts, list) {
+				cmts->need_delete = 1;
+			}
+			load_pktccops_config();
+			AST_LIST_TRAVERSE_SAFE_BEGIN(&cmts_list, cmts, list) {
+				if (cmts && cmts->need_delete) {
+					AST_LIST_TRAVERSE(&gate_list, gate, list) {
+						if (gate->cmts == cmts) {
+							ast_debug(3, "Null gate %s\n", gate->cmts->name);
+							gate->cmts = NULL;
+						}
+						gate->in_transaction = 0;
+					}
+					AST_LIST_UNLOCK(&gate_list);
+					ast_debug(3, "removing cmts: %s\n", cmts->name);
+					if (cmts->sfd > 0) {
+						close(cmts->sfd);
+					}
+					AST_LIST_REMOVE_CURRENT(list);
+					free(cmts);
+				}
+			}
+			AST_LIST_TRAVERSE_SAFE_END;
+			AST_LIST_UNLOCK(&cmts_list);
+			AST_LIST_UNLOCK(&gate_list);
+			pktcreload = 2;
+		}
+		pthread_testcancel();
+	}
+	return NULL;
+}
+
+static int restart_pktc_thread(void)
+{
+	if (pktccops_thread == AST_PTHREADT_STOP) {
+		return 0;
+	}
+	if (ast_mutex_lock(&pktccops_lock)) {
+		ast_log(LOG_WARNING, "Unable to lock pktccops\n");
+		return -1;
+	}
+	if (pktccops_thread == pthread_self()) {
+		ast_mutex_unlock(&pktccops_lock);
+		ast_log(LOG_WARNING, "Cannot kill myself\n");
+		return -1;
+	}
+	if (pktccops_thread != AST_PTHREADT_NULL) {
+		/* Wake up the thread */
+		pthread_kill(pktccops_thread, SIGURG);
+	} else {
+		/* Start a new monitor */
+		if (ast_pthread_create_background(&pktccops_thread, NULL, do_pktccops, NULL) < 0) {
+			ast_mutex_unlock(&pktccops_lock);
+			ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
+			return -1;
+		}
+	}
+	ast_mutex_unlock(&pktccops_lock);
+	return 0;
+}
+
+static int load_pktccops_config(void)
+{
+	static char *cfg = "res_pktccops.conf";
+	struct ast_config *config;
+	struct ast_variable *v;
+	struct cops_cmts *cmts;
+	struct cops_ippool *new_ippool;
+	const char *host, *cat, *port;
+	int sfd, update;
+	int res = 0;
+	uint16_t t1_temp, t7_temp, t8_temp;
+	uint32_t keepalive_temp;
+	unsigned int a,b,c,d,e,f,g,h;
+	struct ast_flags config_flags = {0};
+
+	if (!(config = ast_config_load(cfg, config_flags))) {
+		ast_log(LOG_WARNING, "Unable to load config file res_pktccops.conf\n");
+		return -1;
+	}
+	for (cat = ast_category_browse(config, NULL); cat; cat = ast_category_browse(config, cat)) {
+		if (!strcmp(cat, "general")) {
+			for (v = ast_variable_browse(config, cat); v; v = v->next) {
+				if (!strcasecmp(v->name, "t1")) {
+					t1 = atoi(v->value);
+				} else if (!strcasecmp(v->name, "t7")) {
+					t7 = atoi(v->value);
+				} else if (!strcasecmp(v->name, "t8")) {
+					t8 = atoi(v->value);
+				} else if (!strcasecmp(v->name, "keepalive")) {
+					keepalive = atoi(v->value);
+				} else if (!strcasecmp(v->name, "gateinfoperiod")) {
+					gateinfoperiod = atoi(v->value);
+				} else if (!strcasecmp(v->name, "gatetimeout")) {
+					gatetimeout = atoi(v->value);
+				} else {
+					ast_log(LOG_WARNING, "Unkown option %s in general section of res_ptkccops.conf\n", v->name);
+				}
+			}			
+		} else {
+			/* Defaults */
+			host = NULL;
+			port = NULL;
+			sfd = 0;
+			t1_temp = t1;
+			t7_temp = t7;
+			t8_temp = t8;
+			keepalive_temp = keepalive;
+
+			for (v = ast_variable_browse(config, cat); v; v = v->next) {
+				if (!strcasecmp(v->name, "host")) {
+					host = v->value;				
+				} else if (!strcasecmp(v->name, "port")) {
+					port = v->value;
+				} else if (!strcasecmp(v->name, "t1")) {
+					t1_temp = atoi(v->value);
+				} else if (!strcasecmp(v->name, "t7")) {
+					t7_temp = atoi(v->value);
+				} else if (!strcasecmp(v->name, "t8")) {
+					t8_temp = atoi(v->value);
+				} else if (!strcasecmp(v->name, "keepalive")) {
+					keepalive_temp = atoi(v->value);
+				} else if (!strcasecmp(v->name, "pool")) {
+					/* we weill parse it in 2nd round */
+				} else {
+					ast_log(LOG_WARNING, "Unkown option %s in res_ptkccops.conf\n", v->name);
+				}
+			}
+
+			update = 0;
+			AST_LIST_TRAVERSE(&cmts_list, cmts, list) {
+				if (!strcmp(cmts->name, cat)) {
+					update = 1;
+					break;
+				}
+
+			}
+			if (!update) {
+				cmts = ast_calloc(1, sizeof(*cmts));
+				if (!cmts) {
+					res = -1;
+					break;
+				}
+				AST_LIST_INSERT_HEAD(&cmts_list, cmts, list);
+			}
+			if (cat) {
+				ast_copy_string(cmts->name, cat, sizeof(cmts->name));
+			}
+			if (host) {
+				ast_copy_string(cmts->host, host, sizeof(cmts->host));
+			}
+			if (port) {
+				ast_copy_string(cmts->port, port, sizeof(cmts->port));
+			} else {
+				ast_copy_string(cmts->port, DEFAULT_COPS_PORT, sizeof(cmts->port));
+			}
+
+			cmts->t1 = t1_temp;
+			cmts->t7 = t7_temp;
+			cmts->t8 = t8_temp;
+			cmts->keepalive = keepalive_temp;
+			if (!update) {
+				cmts->state = 0;
+				cmts->sfd = -1;
+			}
+			cmts->need_delete = 0;
+			for (v = ast_variable_browse(config, cat); v; v = v->next) {
+				/* parse ipppol when we have cmts ptr */
+				if (!strcasecmp(v->name, "pool")) {
+					if (sscanf(v->value, "%3u.%3u.%3u.%3u %3u.%3u.%3u.%3u", &a, &b, &c, &d, &e, &f, &g, &h) == 8) {
+						new_ippool = ast_calloc(1, sizeof(*new_ippool));
+						if (!new_ippool) {
+							res = -1;
+							break;
+						}
+						new_ippool->start = a << 24 | b << 16 | c << 8 | d;
+						new_ippool->stop = e << 24 | f << 16 | g << 8 | h;
+						new_ippool->cmts = cmts;
+						pktccops_add_ippool(new_ippool);
+					} else {
+						ast_log(LOG_WARNING, "Invalid ip pool format in res_pktccops.conf\n");
+					}
+				}
+			}
+		}
+	}
+	ast_config_destroy(config);
+	return res;
+}
+
+static char *pktccops_show_cmtses(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
+{
+	struct cops_cmts *cmts;
+	char statedesc[16];
+	int katimer;
+	
+	switch(cmd) {
+	case CLI_INIT:
+		e->command = "pktccops show cmtses";
+		e->usage = 
+			"Usage: pktccops show cmtses\n"
+			"       List PacketCable COPS CMTSes.\n";
+
+		return NULL;
+	case CLI_GENERATE:
+		return NULL;
+	}
+
+	ast_cli(a->fd, "%-16s %-24s %-12s %7s\n", "Name        ", "Host                ", "Status    ", "KA timer  ");
+	ast_cli(a->fd, "%-16s %-24s %-12s %7s\n", "------------", "--------------------", "----------", "-----------");
+	AST_LIST_LOCK(&cmts_list);
+	AST_LIST_TRAVERSE(&cmts_list, cmts, list) {
+		katimer = -1;
+		if (cmts->state == 2) {
+			ast_copy_string(statedesc, "Connected", sizeof(statedesc));
+			katimer = (int) (time(NULL) - cmts->katimer);
+		} else if (cmts->state == 1) {
+			ast_copy_string(statedesc, "Connecting", sizeof(statedesc));
+		} else {
+			ast_copy_string(statedesc, "N/A", sizeof(statedesc));
+		}
+		ast_cli(a->fd, "%-16s %-15s:%-8s %-12s %-7d\n", cmts->name, cmts->host, cmts->port, statedesc, katimer);
+	}
+	AST_LIST_UNLOCK(&cmts_list);
+	return CLI_SUCCESS;
+}
+
+static char *pktccops_show_gates(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
+{
+	struct cops_gate *gate;
+	char state_desc[16];
+
+	switch(cmd) {
+	case CLI_INIT:
+		e->command = "pktccops show gates";
+		e->usage = 
+			"Usage: pktccops show gates\n"
+			"       List PacketCable COPS GATEs.\n";
+
+		return NULL;
+	case CLI_GENERATE:
+		return NULL;
+	}
+
+	ast_cli(a->fd, "%-16s %-12s %-12s %-10s %-10s %-10s\n" ,"CMTS", "Gate-Id","MTA", "Status", "AllocTime", "CheckTime");
+	ast_cli(a->fd, "%-16s %-12s %-12s %-10s %-10s %-10s\n" ,"--------------" ,"----------", "----------", "--------", "--------", "--------\n");
+	AST_LIST_LOCK(&cmts_list);
+	AST_LIST_LOCK(&gate_list);
+	AST_LIST_TRAVERSE(&gate_list, gate, list) {
+		if (gate->state == GATE_ALLOC_FAILED) {
+			ast_copy_string(state_desc, "Failed", sizeof(state_desc));
+		} else if (gate->state == GATE_ALLOC_PROGRESS) {
+			ast_copy_string(state_desc, "In Progress", sizeof(state_desc));
+		} else if (gate->state == GATE_ALLOCATED) {
+			ast_copy_string(state_desc, "Allocated", sizeof(state_desc));
+		} else if (gate->state == GATE_CLOSED) {
+			ast_copy_string(state_desc, "Closed", sizeof(state_desc));
+		} else if (gate->state == GATE_CLOSED_ERR) {
+			ast_copy_string(state_desc, "ClosedErr", sizeof(state_desc));
+		} else if (gate->state == GATE_OPEN) {
+			ast_copy_string(state_desc, "Open", sizeof(state_desc));
+		} else if (gate->state == GATE_DELETED) {
+			ast_copy_string(state_desc, "Deleted", sizeof(state_desc));
+		} else {
+			ast_copy_string(state_desc, "N/A", sizeof(state_desc));
+		}
+		
+		ast_cli(a->fd, "%-16s 0x%.8x   0x%08x   %-10s %10i %10i %u\n", (gate->cmts) ? gate->cmts->name : "null" , gate->gateid, gate->mta, 
+			state_desc, (int) (time(NULL) - gate->allocated), (gate->checked) ? (int) (time(NULL) - gate->checked) : 0, (unsigned int) gate->in_transaction);
+	}
+	AST_LIST_UNLOCK(&cmts_list);
+	AST_LIST_UNLOCK(&gate_list);
+	return CLI_SUCCESS;
+}
+
+static char *pktccops_show_pools(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
+{
+	struct cops_ippool *ippool;
+	char start[32];
+	char stop[32];
+
+	switch(cmd) {
+	case CLI_INIT:
+		e->command = "pktccops show pools";
+		e->usage = 
+			"Usage: pktccops show pools\n"
+			"       List PacketCable COPS ip pools of MTAs.\n";
+
+		return NULL;
+	case CLI_GENERATE:
+		return NULL;
+	}
+
+	ast_cli(a->fd, "%-16s %-18s %-7s\n", "Start     ", "Stop      ", "CMTS    ");
+	ast_cli(a->fd, "%-16s %-18s %-7s\n", "----------", "----------", "--------");
+	AST_LIST_LOCK(&ippool_list);
+	AST_LIST_TRAVERSE(&ippool_list, ippool, list) {
+		snprintf(start, sizeof(start), "%3u.%3u.%3u.%3u", ippool->start >> 24, (ippool->start >> 16) & 0x000000ff, (ippool->start >> 8) & 0x000000ff, ippool->start & 0x000000ff);
+
+		snprintf(stop, sizeof(stop), "%3u.%3u.%3u.%3u", ippool->stop >> 24, (ippool->stop >> 16) & 0x000000ff, (ippool->stop >> 8) & 0x000000ff, ippool->stop & 0x000000ff);
+		ast_cli(a->fd, "%-16s %-18s %-16s\n", start, stop, ippool->cmts->name);
+	}
+	AST_LIST_UNLOCK(&ippool_list);
+	return CLI_SUCCESS;
+}
+
+static char *pktccops_gatedel(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
+{
+	int found = 0;
+	int trid;
+	uint32_t gateid;
+	struct cops_gate *gate;
+	struct cops_cmts *cmts;
+
+	switch (cmd) {
+	case CLI_INIT:
+		e->command = "pktccops gatedel";
+		e->usage = 
+			"Usage: pktccops gatedel <cmts> <gateid>\n"
+			"       Send Gate-Del to cmts.\n";
+		return NULL;
+	case CLI_GENERATE:
+		return NULL;
+	}
+
+	if (a->argc < 4)
+		return CLI_SHOWUSAGE;
+
+	AST_LIST_LOCK(&cmts_list);
+	AST_LIST_TRAVERSE(&cmts_list, cmts, list) {
+		if (!strcmp(cmts->name, a->argv[2])) {
+			ast_cli(a->fd, "Found cmts: %s\n", cmts->name);
+			found = 1;
+			break;
+		}
+	}
+	AST_LIST_UNLOCK(&cmts_list);
+	
+	if (!found)
+		return CLI_SHOWUSAGE;
+
+	trid = cops_trid++;
+	if (!sscanf(a->argv[3], "%x", &gateid)) {
+		ast_cli(a->fd, "bad gate specification (%s)\n", a->argv[3]);	
+		return CLI_SHOWUSAGE;
+	}
+
+	found = 0;
+	AST_LIST_LOCK(&gate_list);
+	AST_LIST_TRAVERSE(&gate_list, gate, list) {
+		if (gate->gateid == gateid && gate->cmts == cmts) {
+			found = 1;
+			break;
+		}
+	}
+		
+	if (!found) {
+		ast_cli(a->fd, "gate not found: %s\n", a->argv[3]);
+		return CLI_SHOWUSAGE;
+	}
+
+	AST_LIST_UNLOCK(&gate_list);
+	cops_gate_cmd(GATE_DEL, cmts, trid, 0, 0, 0, 0, 0, 0, gate);
+	return CLI_SUCCESS;
+}
+
+static char *pktccops_gateset(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
+{
+	int foundcmts = 0;
+	int trid;
+	unsigned int an,bn,cn,dn;
+	uint32_t mta, ssip;
+	struct cops_cmts *cmts;
+	struct cops_gate *gate;
+
+	switch (cmd) {
+	case CLI_INIT:
+		e->command = "pktccops gateset";
+		e->usage = 
+			"Usage: pktccops gateset <cmts> <mta> <acctcount> <bitrate> <packet size> <switch ip> <switch port>\n"
+			"       Send Gate-Set to cmts.\n";
+		return NULL;
+	case CLI_GENERATE:
+		return NULL;
+	}
+
+	if (a->argc < 9)
+		return CLI_SHOWUSAGE;
+
+	if (!strncmp(a->argv[2], "null", sizeof(a->argv[2]))) {
+		cmts = NULL;
+	} else {
+		AST_LIST_LOCK(&cmts_list);
+		AST_LIST_TRAVERSE(&cmts_list, cmts, list) {
+			if (!strcmp(cmts->name, a->argv[2])) {
+				ast_cli(a->fd, "Found cmts: %s\n", cmts->name);
+				foundcmts = 1;
+				break;
+			}
+		}
+		AST_LIST_UNLOCK(&cmts_list);
+		if (!foundcmts) {
+			ast_cli(a->fd, "CMTS not found: %s\n", a->argv[2]);
+			return CLI_SHOWUSAGE;
+		}
+	}
+
+	trid = cops_trid++;
+	if (sscanf(a->argv[3], "%3u.%3u.%3u.%3u", &an, &bn, &cn, &dn) != 4) {
+		ast_cli(a->fd, "MTA specification (%s) does not look like an ipaddr\n", a->argv[3]);
+		return CLI_SHOWUSAGE;
+	}
+	mta = an << 24 | bn << 16 | cn << 8 | dn;
+
+	if (sscanf(a->argv[7], "%3u.%3u.%3u.%3u", &an, &bn, &cn, &dn) != 4) {
+		ast_cli(a->fd, "SSIP specification (%s) does not look like an ipaddr\n", a->argv[7]);
+		return CLI_SHOWUSAGE;
+	}
+	ssip = an << 24 | bn << 16 | cn << 8 | dn;
+
+	gate = cops_gate_cmd(GATE_SET, cmts, trid, mta, atoi(a->argv[4]), atof(a->argv[5]), atoi(a->argv[6]), ssip, atoi(a->argv[8]), NULL);
+	return CLI_SUCCESS;
+}
+
+static char *pktccops_debug(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
+{
+	switch (cmd) {
+	case CLI_INIT:
+		e->command = "pktccops set debug {on|off}";
+		e->usage = 
+			"Usage: pktccops set debug {on|off}\n"
+			"				Turn on/off debuging\n";
+		return NULL;
+	case CLI_GENERATE:
+		return NULL;
+	}
+
+	if (a->argc != e->args)
+		return CLI_SHOWUSAGE;
+	if (!strncasecmp(a->argv[e->args - 1], "on", 2)) {
+		pktccopsdebug = 1;
+		ast_cli(a->fd, "PktcCOPS Debugging Enabled\n");
+	} else if (!strncasecmp(a->argv[e->args - 1], "off", 2)) {
+		pktccopsdebug = 0;
+		ast_cli(a->fd, "PktcCOPS Debugging Disabled\n");
+	} else {
+		return CLI_SHOWUSAGE;
+	}
+	return CLI_SUCCESS;
+
+}
+
+static struct ast_cli_entry cli_pktccops[] = {
+	AST_CLI_DEFINE(pktccops_show_cmtses, "List PacketCable COPS CMTSes"),
+	AST_CLI_DEFINE(pktccops_show_gates, "List PacketCable COPS GATEs"),
+	AST_CLI_DEFINE(pktccops_show_pools, "List PacketCable MTA pools"),
+	AST_CLI_DEFINE(pktccops_gateset, "Send Gate-Set to cmts"),
+	AST_CLI_DEFINE(pktccops_gatedel, "Send Gate-Det to cmts"),
+	AST_CLI_DEFINE(pktccops_debug, "Enable/Disable COPS debugging")
+};
+
+static int pktccops_add_ippool(struct cops_ippool *ippool)
+{
+	if (ippool) {
+		AST_LIST_LOCK(&ippool_list);
+		AST_LIST_INSERT_HEAD(&ippool_list, ippool, list);
+		AST_LIST_UNLOCK(&ippool_list);
+		return 0;
+	} else {
+		ast_log(LOG_WARNING, "Attempted to register NULL ippool?\n");
+		return -1;
+	}
+}
+
+static void pktccops_unregister_cmtses(void)
+{
+	struct cops_cmts *cmts;
+	struct cops_gate *gate;
+	AST_LIST_LOCK(&cmts_list);
+	while ((cmts = AST_LIST_REMOVE_HEAD(&cmts_list, list))) {
+		if (cmts->sfd > 0) {
+			close(cmts->sfd);
+		}
+		free(cmts);
+	}
+	AST_LIST_UNLOCK(&cmts_list);
+
+	AST_LIST_LOCK(&gate_list);
+	while ((gate = AST_LIST_REMOVE_HEAD(&gate_list, list))) {
+		free(gate);
+	}
+	AST_LIST_UNLOCK(&gate_list);
+}
+
+static void pktccops_unregister_ippools(void)
+{
+	struct cops_ippool *ippool;
+	AST_LIST_LOCK(&ippool_list);
+	while ((ippool = AST_LIST_REMOVE_HEAD(&ippool_list, list))) {
+		free(ippool);
+	}
+	AST_LIST_UNLOCK(&ippool_list);
+}
+
+static int load_module(void)
+{
+	int res;
+	AST_LIST_LOCK(&cmts_list);
+	res = load_pktccops_config();
+	AST_LIST_UNLOCK(&cmts_list);
+	if (res == -1) {
+		return AST_MODULE_LOAD_DECLINE;
+	}
+	ast_cli_register_multiple(cli_pktccops, sizeof(cli_pktccops) / sizeof(struct ast_cli_entry));
+	restart_pktc_thread();
+	return 0;
+}
+
+static int unload_module(void)
+{
+	if (!ast_mutex_lock(&pktccops_lock)) {
+		if (pktccops_thread && (pktccops_thread != AST_PTHREADT_STOP)) {
+			pthread_cancel(pktccops_thread);
+			pthread_kill(pktccops_thread, SIGURG);
+			pthread_join(pktccops_thread, NULL);
+		}
+		pktccops_thread = AST_PTHREADT_STOP;
+		ast_mutex_unlock(&pktccops_lock);
+	} else {
+		ast_log(LOG_WARNING, "Unable to lock the pktccops_thread\n");
+		return -1;
+	}
+
+	ast_cli_unregister_multiple(cli_pktccops, sizeof(cli_pktccops) / sizeof(struct ast_cli_entry));
+	pktccops_unregister_cmtses();
+	pktccops_unregister_ippools();
+	pktccops_thread = AST_PTHREADT_NULL;
+	return 0;
+}
+
+static int reload_module(void)
+{
+	/* Prohibit unloading */
+	if (pktcreload) {
+		ast_log(LOG_NOTICE, "Previous reload in progress, please wait!\n");
+		return -1;
+	}
+	pktcreload = 1;
+	return 0;
+}
+
+AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS, "PktcCOPS manager",
+		.load = load_module,
+		.unload = unload_module,
+		.reload = reload_module,
+	       );
+