coqos_info.c
Author: cmaier@cmassoc.net

    /*====================================================================*
     *
     *   Copyright (c) 2013 Qualcomm Atheros, Inc.
     *
     *   All rights reserved.
     *
     *   Redistribution and use in source and binary forms, with or
     *   without modification, are permitted (subject to the limitations
     *   in the disclaimer below) provided that the following conditions
     *   are met:
     *
     *   * Redistributions of source code must retain the above copyright
     *     notice, this list of conditions and the following disclaimer.
     *
     *   * Redistributions in binary form must reproduce the above
     *     copyright notice, this list of conditions and the following
     *     disclaimer in the documentation and/or other materials
     *     provided with the distribution.
     *
     *   * Neither the name of Qualcomm Atheros nor the names of
     *     its contributors may be used to endorse or promote products
     *     derived from this software without specific prior written
     *     permission.
     *
     *   NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
     *   GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE
     *   COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
     *   IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     *   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     *   PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
     *   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     *   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     *   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     *   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     *   OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     *
     *--------------------------------------------------------------------*/

    /*====================================================================*
     *
     *   coqos_info.c - Retrieve MCMSA stream info
     *
     *
     *   Contributor(s):
     *	Bill Wike <bill.wike@qca.qualcomm.com>
     *	Nathaniel Houghton <nhoughto@qca.qualcomm.com>
     *	Charles Maier <cmaier@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

    /*====================================================================*"
     *   system header files;
     *--------------------------------------------------------------------*/

    #include <unistd.h>
    #include <stdlib.h>
    #include <stdint.h>
    #include <limits.h>

    /*====================================================================*
     *   custom header files;
     *--------------------------------------------------------------------*/

    #include "../tools/getoptv.h"
    #include "../tools/putoptv.h"
    #include "../tools/memory.h"
    #include "../tools/number.h"
    #include "../tools/symbol.h"
    #include "../tools/types.h"
    #include "../tools/flags.h"
    #include "../tools/files.h"
    #include "../tools/error.h"
    #include "../plc/plc.h"
    #include "../plc/coqos.h"

    /*====================================================================*
     *   custom source files;
     *--------------------------------------------------------------------*/

    #ifndef MAKEFILE
    #include "../tools/getoptv.c"
    #include "../tools/putoptv.c"
    #include "../tools/version.c"
    #include "../tools/hexdump.c"
    #include "../tools/hexencode.c"
    #include "../tools/bytespec.c"
    #include "../tools/ipv4spec.c"
    #include "../tools/ipv6spec.c"
    #include "../tools/hexdecode.c"
    #include "../tools/todigit.c"
    #include "../tools/typename.c"
    #include "../tools/error.c"
    #include "../tools/synonym.c"
    #include "../tools/lookup.c"
    #include "../tools/assist.c"
    #include "../tools/codelist.c"
    #endif

    #ifndef MAKEFILE
    #include "../plc/Confirm.c"
    #include "../plc/Display.c"
    #include "../plc/Failure.c"
    #include "../plc/ReadMME.c"
    #include "../plc/Request.c"
    #include "../plc/SendMME.c"
    #include "../plc/Devices.c"
    #include "../mme/EthernetHeader.c"
    #include "../mme/QualcommHeader.c"
    #include "../mme/UnwantedMessage.c"
    #endif

    #ifndef MAKEFILE
    #include "../ether/channel.c"
    #include "../ether/openchannel.c"
    #include "../ether/closechannel.c"
    #include "../ether/readpacket.c"
    #include "../ether/sendpacket.c"
    #endif

    #ifndef MAKEFILE
    #include "../mme/MMECode.c"
    #endif

    /*====================================================================*
     *   constants;
     *--------------------------------------------------------------------*/

    #define CONTROL "control"

    /*====================================================================*
     *   program variables;
     *--------------------------------------------------------------------*/

    #define CONTROL_STA 0x00
    #define CONTROL_CID 0x01
    #define CONTROL_RSVD 0x02
    #define CONTROL_VIC 0x03
    #define CONTROL_BW 0x04
    #define CONTROL_BWC 0xFF

    static struct _code_ const types [] =

    {
    	{
    		CONTROL_STA,
    		"STA"
    	},
    	{
    		CONTROL_CID,
    		"CID"
    	},
    	{
    		CONTROL_RSVD,
    		"RSVD"
    	},
    	{
    		CONTROL_VIC,
    		"VIC"
    	},
    	{
    		CONTROL_BW,
    		"BW"
    	},
    	{
    		CONTROL_BWC,
    		"BWC"
    	}
    };

    /*====================================================================*
     *
     *   signed con_info (struct plc * plc, uint8_t TYPE, uint16_t CID, uint16_t TOT_BW_USED);
     *
     *
     *
     *   Contributor(s):
     *	Bill Wike <bill.wike@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

    static signed con_info (struct plc * plc, uint8_t TYPE, uint16_t CID, uint16_t TOT_BW_USED)

    {
    	struct channel * channel = (struct channel *)(plc->channel);
    	struct message * message = (struct message *)(plc->message);

    #ifndef __GNUC__
    #pragma pack (push,1)
    #endif

    	struct __packed vs_con_info_req
    	{
    		struct ethernet_hdr ethernet;
    		struct qualcomm_hdr qualcomm;
    		uint8_t REQ_TYPE;
    		uint32_t RSVD;
    		uint16_t CSPEC_VER;
    		uint16_t CID;
    		uint16_t TOT_BW_USED;
    	}
    	* request = (struct vs_con_info_req *)(message);
    	struct __packed vs_con_info_cnf
    	{
    		struct ethernet_hdr ethernet;
    		struct qualcomm_hdr qualcomm;
    		uint8_t REQ_TYPE;
    		uint8_t MSTATUS;
    		uint16_t ERR_REC_CODE;
    		uint32_t RSVD;
    		uint8_t NUM_CONN;
    		struct conn_info CONN_INFO [64];
    	}
    	* confirm = (struct vs_con_info_cnf *)(message);
    	struct conn_info * conn_info = (struct conn_info*)(confirm->CONN_INFO);
    	struct vs_con_info_cnf * indicate = (struct vs_con_info_cnf *)(message);

    #ifndef __GNUC__
    #pragma pack (pop)
    #endif

    	int i;
    	Request (plc, "COQOS connection information");
    	memset (message, 0, sizeof (* message));
    	EthernetHeader (&request->ethernet, channel->peer, channel->host, channel->type);
    	QualcommHeader (&request->qualcomm, 0, (VS_CONN_INFO | MMTYPE_REQ));
    	plc->packetsize = (ETHER_MIN_LEN - ETHER_CRC_LEN);
    	request->REQ_TYPE = TYPE;
    	request->CID = CID;
    	request->TOT_BW_USED = TOT_BW_USED;
    	request->CSPEC_VER = 0x01;
    	if (SendMME (plc) <= 0)
    	{
    		error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
    		return (-1);
    	}
    	while (ReadMME (plc, 0, (VS_CONN_INFO | MMTYPE_CNF)) <= 0);
    	if (confirm->MSTATUS)
    	{
    		Failure (plc, "Error requesting information.");
    		return (-1);
    	}

    /* BW exceeded request and "cancel all requests" do not send indicate */

    	if ((TYPE == CONTROL_BW) || (TYPE == CONTROL_BWC))
    	{
    		Confirm (plc, "Success");
    		return (0);
    	}
    	Confirm (plc, "Received confirm, waiting for indicate...");
    	while (ReadMME (plc, 0, (VS_CONN_INFO | MMTYPE_IND)) <= 0);
    	if (indicate->MSTATUS)
    	{
    		Failure (plc, "Error requesting information.");
    		return (-1);
    	}
    	printf ("Number of Connections: %d\n", (int)indicate->NUM_CONN);
    	conn_info = (struct conn_info *)(indicate->CONN_INFO);
    	for (i = 0; i < indicate->NUM_CONN; i++)
    	{
    		printf ("SNID: %02X ", conn_info->SNID);
    		printf ("CID: %04X ", conn_info->CID);
    		printf ("STEI: %02X ", conn_info->STEI);
    		printf ("DTEI: %02X ", conn_info->DTEI);
    		printf ("LLID: %02X ", conn_info->LLID);
    		printf ("CSPEC_VERSION: %04X ", conn_info->CSPECVERSION);
    		printf ("CONN_CAP: %02d ", conn_info->CONN_CAP);
    		printf ("CONN_COQOS_PRIO: %02d ", conn_info->CONN_COQOS_PRIO);
    		printf ("CONN_RATE: %d ", conn_info->CONN_RATE);
    		printf ("CONN_TTL: %d ", conn_info->CONN_TTL);
    		printf ("BW_USED: %d \n", conn_info->BW_USED);
    		conn_info++;
    	}
    	return (0);
    }

    /*====================================================================*
     *
     *   int main (int argc, char const * argv[]);
     *
     *
     *--------------------------------------------------------------------*/

    int main (int argc, char const * argv [])

    {
    	extern struct channel channel;
    	static char const * optv [] =
    	{
    		"ei:qv",
    		"[sta|cid|rsvd|vic|bw|bwc] [limit] [device] [...]",
    		"CoQos Stream Utility",
    		"e\tredirect stderr to stdout",

    #if defined (WINPCAP) || defined (LIBPCAP)

    		"i n\thost interface is (n) [" LITERAL (CHANNEL_ETHNUMBER) "]",

    #else

    		"i s\thost interface is (s) [" LITERAL (CHANNEL_ETHDEVICE) "]",

    #endif

    		"q\tquiet mode",
    		"v\tverbose mode",
    		(char const *) (0)
    	};

    #include "../plc/plc.c"

    	uint16_t cid = 0;
    	uint16_t limit = 0;
    	uint8_t type;
    	signed code;
    	signed c;
    	if (getenv (PLCDEVICE))
    	{

    #if defined (WINPCAP) || defined (LIBPCAP)

    		channel.ifindex = atoi (getenv (PLCDEVICE));

    #else

    		channel.ifname = strdup (getenv (PLCDEVICE));

    #endif

    	}
    	optind = 1;
    	while ((c = getoptv (argc, argv, optv)) != -1)
    	{
    		switch (c)
    		{
    		case 'e':
    			dup2 (STDOUT_FILENO, STDERR_FILENO);
    			break;
    		case 'i':

    #if defined (WINPCAP) || defined (LIBPCAP)

    			channel.ifindex = atoi (optarg);

    #else

    			channel.ifname = optarg;

    #endif

    			break;
    		case 'q':
    			_setbits (channel.flags, CHANNEL_SILENCE);
    			_setbits (plc.flags, PLC_SILENCE);
    			break;
    		case 'v':
    			_setbits (channel.flags, CHANNEL_VERBOSE);
    			_setbits (plc.flags, PLC_VERBOSE);
    			break;
    		default:
    			break;
    		}
    	}
    	argc -= optind;
    	argv += optind;
    	if ((code = lookup (* argv++, types, SIZEOF (types))) == -1)
    	{
    		assist (*--argv, CONTROL, types, SIZEOF (types));
    	}
    	type = (uint8_t)(code);
    	argc--;
    	if (type == CONTROL_CID)
    	{
    		if (!argc)
    		{
    			error (1, errno, "Expected Connection Identifier");
    		}
    		if (!hexencode ((uint8_t *)(&cid), sizeof (cid), * argv++))
    		{
    			error (1, errno, "Invalid CID");
    		}
    		cid = htons (cid);
    		argc--;
    	}
    	else if (type == CONTROL_BW)
    	{
    		if (!argc)
    		{
    			error (1, errno, "Expected Bandwidth Limit");
    		}
    		limit = atoi (* argv++);
    		argc--;
    	}
    	openchannel (&channel);
    	if (!(plc.message = malloc (sizeof (* plc.message))))
    	{
    		error (1, errno, PLC_NOMEMORY);
    	}
    	if (!argc)
    	{
    		con_info (&plc, type, cid, limit);
    	}
    	while ((argc) && (* argv))
    	{
    		if (!hexencode (channel.peer, sizeof (channel.peer), synonym (* argv, devices, SIZEOF (devices))))
    		{
    			error (1, errno, PLC_BAD_MAC, * argv);
    		}
    		con_info (&plc, type, cid, limit);
    		argc--;
    		argv++;
    	}
    	free (plc.message);
    	closechannel (&channel);
    	exit (0);
    }

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