/******************************************************************************
 * Flash File System (ffs)
 * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com
 *
 * ffs test core
 *
 * $Id: test.c 1.43.1.105.1.7 Thu, 18 Dec 2003 10:50:52 +0100 tsj $
 *
 ******************************************************************************/

#include "ffs/ffs.h"
#include "ffs/board/tffs.h"
#include "ffs/board/core.h"
#include "ffs/board/tmffs.h"
#include "ffs/board/ffstrace.h"

#define COMPILE_ON_WIN32 1

#if (COMPILE_ON_WIN32 == 0)
#include "ffs/board/pcm.h"
#endif

#include <stdio.h>
#include <string.h>

#include <sys/types.h>
#include <stdarg.h>
#include "ffs/board/win32/getopt.h"
#include <errno.h>
#include <stdlib.h>

#ifndef WIN32
#include <unistd.h>
#endif //nWIN32

#ifndef WIN32
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#endif //nWIN32

extern char *ffs_strerror(effs_t error);

/******************************************************************************
 * Prototypes and Globals
 ******************************************************************************/

static void main_args(int argc, char *argv[]);
static void main_usage(void);
static long arg_long_get(char *s);

#ifndef WIN32
static int ffs_server(char type);
#endif //nWIN32

char *arg_imagename = "image"; // flash image file to use for test
char *arg_test = "all";        // default test case to run
int  arg_keepgoing = 0;        // keep going on error
int  arg_removeimage = 0;      // remove image file first
char arg_server = 0;
char arg_pctm = 1;

int  arg_trmask = TrTest;  // trace mask
int  arg_trspaces = 2;     // indentation multiplier


/******************************************************************************
 * Globals and Main
 ******************************************************************************/

int main(int argc, char *argv[])
{
    int result;

    main_args(argc, argv);

    tr_init(arg_trmask, arg_trspaces, NULL );

    if (arg_server == 't' || arg_server == 'u') {
#ifdef WIN32
      fprintf(stdout, "FFS_server not supported in WIN32");
#else //WIN32
        result = ffs_server(arg_server);
#endif //WIN32
    }
    else {
        test_init(arg_keepgoing);
        result = test_run(arg_test);
        test_exit();
        fprintf(stdout, "TEST TOTAL cases failed: %d\n", result);
        if (result > 0)
            fprintf(stderr, "TEST TOTAL cases failed: %d\n", result);
    }

    exit(0);
}


/******************************************************************************
 * Command line parsing
 ******************************************************************************/

static void main_args_debug(char *optarg)
{
    char sign;
    unsigned int mask;

    while (*optarg) {
        sign = '+';
        mask = 0;
        if (*optarg == '+' || *optarg == '-')
            sign = *optarg++;
        if (*optarg) {
            switch (*optarg) {
            case 't': mask = TrTest; break;
            case 'x': mask = TrTestHigh; break;
            case 'y': mask = TrTestLow; break;
            case 'p': mask = TrPowerfail; break;
            case 'b': mask = TrBstat; break;
            case 'a': mask = TrApi; break;
            case 'f': mask = TrFsck; break;
            case 'F': mask = TrFsckLow; break;
            case 'o': mask = TrObject; break;
            case 'i': mask = TrIReclaim; break;
            case 'd': mask = TrDReclaim; break;
            case 'r': mask = TrReclaimLow; break;
            case 'w': mask = TrDrvWrite; break;
            case 'e': mask = TrDrvErase; break;
            case 'j': mask = TrJournal; break;
            case 'h': mask = TrUtil; break;
            case 's': mask = TrServer; break;
            case '?': mask = TrTrace; break;
            }
            switch (*optarg) {
            case '*':
                arg_trmask = TrAll &
//                    ~(TrTrace|TrTmffs|TrDrvWrite|TrDrvErase|TrJournal|TrUtil|TrBstat);
                    ~(TrTrace|TrDrvWrite|TrDrvErase|TrJournal|TrUtil|TrBstat);
                break;
            default:
                if (sign == '+')
                    arg_trmask |= mask;
                else
                    arg_trmask &= ~mask;
                break;
            }
            optarg++;
        }
    }
    printf("arg_trmask = 0x%X\n", arg_trmask);
}

static void main_usage(void)
{
    printf("Usage: ffs [OPTIONS...]\n"
           "\n"
           /* $Format: "\"Revision $ProjectVersion$, \""$ */
"Revision 5.53, "
           __DATE__ ".\n"
           "\n"
           "OPTIONS:\n"
	   "  -c <tcase> Semi-colon separated list of test cases to run.\n"
           "             Each test case name can be suffixed with one or more\n"
           "             numerical parameter(s).\n"
           "             Default is 'all'.\n"
	   "  -f <n>     Flash image file name. Default is 'image'.\n"
	   "  -l         List all test cases\n"
           "  -t <char>  Trace mask in human format. Same as '-t <char>'.\n"
           "             Default is 't'.\n"
	   "               * = All\n"
	   "               t = Test\n"
	   "               x = TestHigh\n"
	   "               y = TestLow\n"
	   "               b = Bstat\n"
	   "               a = Api\n"
	   "               f = Fsck\n"
	   "               F = FsckLow\n"
	   "               i = IReclaim\n"
	   "               d = DReclaim\n"
	   "               r = ReclaimLow\n"
	   "               j = Journalling\n"
	   "               w = DrvWrite\n"
	   "               e = DrvErase\n"
	   "               h = Helper/Utility Functions\n"
	   "               s = FFS Server\n"
	   "               0 = None\n"
           "  -d i<n>    Trace indentation multiplier. Default is 4.\n"
           "  -d m<n>    Trace mask. Default is 0.\n"
	   "  -d s<n>    Trace indentation multiplier (spaces). Default is 4.\n"
	   "  -s <char>  Start as an FFS server, using either TCP or UDP:\n"
           "               t = tcp (default)\n"
           "               u = udp\n"
	   "  -k         Keep going on error\n"
	   "  -r         Remove flash image file first\n"
	   "  -h         Display this help\n");

    exit(0);
}

static void main_args(int argc, char *argv[])
{
    char c;
    
    while ( (c = getopt(argc, argv, "c:f:krls:t:d:h")) != -1)
    {
        switch (c)
        {
        case 'c': arg_test = optarg; break;
        case 'f': arg_imagename = optarg; break;
        case 'k': arg_keepgoing = 1; break;
        case 'r': arg_removeimage = 1; break;
        case 'l': test_listall(); exit(0); break;
        case 's': arg_server = *optarg; break;
        case 't':
            main_args_debug(optarg);
            break;
        case 'd':
            switch(*optarg) {
            case 's': arg_trspaces = arg_long_get(optarg); break;
            case 'm': arg_trmask = arg_long_get(optarg); break;
            }
            break;
        case 'h': main_usage(); break;
        default:
            main_usage();
        }
    }
}

static long arg_long_get(char *s)
{
    long value;
    char *endp;

    errno = 0;
    value = strtol(optarg, &endp, 0);

    if (errno == ERANGE || *endp != 0) {
	fprintf(stderr, "Invalid command line argument value: '%s'", s);
	exit(1);
    }
    return value;
}


/******************************************************************************
 * Globals and Main
 ******************************************************************************/
#ifndef WIN32

void server_error(char *msg)
{
    perror(msg);
    exit(1);
}

#define FFS_SERVER_PORT  (21588)

#define INBUF_SIZE  (2 * 65536)
#define OUTBUF_SIZE (2 * 65536)


static int ffs_server(char type)
{
    char inbuf[INBUF_SIZE], *inbufp;
    char outbuf[OUTBUF_SIZE], *outbufp;
    int insize, outsize;
    int error;

    struct sockaddr_in myaddr;
    struct sockaddr_in clientaddr;
    int myfd, clientfd, addr_len;

    error = ffs_initialize();
    
    if (type == 'u')
    {
        // Code for using UDP datagrams

        /* get an internet domain socket */
        if ((myfd = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
            server_error("socket()");
        tr(TR_FUNC, TrServer, "socket()\n");

        /* complete the socket structure */
        memset(&myaddr, 0, sizeof(myaddr));
        myaddr.sin_family = AF_INET;
        myaddr.sin_addr.s_addr = INADDR_ANY;
        myaddr.sin_port = htons(FFS_SERVER_PORT);

        /* bind the socket to the port number */
        if (bind(myfd, (struct sockaddr *) &myaddr, sizeof(myaddr)) == -1)
            server_error("bind()");
        tr(TR_FUNC, TrServer, "bind(%d)\n", FFS_SERVER_PORT);

        tr(TR_FUNC, TrServer,
           "FFS UDP/IP server Waiting for client requests...\n");
        for (;;)
        {
            addr_len = sizeof(struct sockaddr);
            if ((insize = recvfrom(myfd, inbuf, sizeof(inbuf), 0, 
                                   (struct sockaddr *) &clientaddr,
                                   &addr_len)) < 0)
                server_error("recvfrom()");
            tr(TR_FUNC, TrServer, "recv() %d bytes from %s\n",
               insize, inet_ntoa(clientaddr.sin_addr));
            
            outsize = tm_ffs(outbuf, OUTBUF_SIZE, inbuf, insize);
            
            if(sendto(myfd, outbuf, outsize, 0,
                      (struct sockaddr *) &clientaddr,
                      sizeof(struct sockaddr)) < 0)
                server_error("sendto()");
            tr(TR_FUNC, TrServer, "send(%d)\n", outsize);
        }
        close(clientfd);
        close(myfd);
    }
    else
    {
        // Code for using TCP/IP

        /* get an internet domain socket */
        if ((myfd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
            server_error("socket()");
        tr(TR_FUNC, TrServer, "socket()\n");

        /* complete the socket structure */
        memset(&myaddr, 0, sizeof(myaddr));
        myaddr.sin_family = AF_INET;
        myaddr.sin_addr.s_addr = INADDR_ANY;
        myaddr.sin_port = htons(FFS_SERVER_PORT);

        /* bind the socket to the port number */
        if (bind(myfd, (struct sockaddr *) &myaddr, sizeof(myaddr)) == -1)
            server_error("bind()");
        tr(TR_FUNC, TrServer, "bind(%d)\n", FFS_SERVER_PORT);

        /* show that we are willing to listen */
        if (listen(myfd, 5) == -1)
            server_error("listen()");
        tr(TR_FUNC, TrServer, "listen()\n");

        error = 0;
        while (error == 0 || error == ESHUTDOWN)
        {
            tr(TR_FUNC, TrServer,
               "FFS TCP/IP server waiting for client connection...\n");

            if ((clientfd = accept(myfd, 0, 0)) < 0)
                server_error("accept()");
            tr(TR_FUNC, TrServer, "accept()\n");

            error = 0;
            while (error == 0)
            {
                inbufp  = inbuf;
                outbufp = outbuf;

                if ((insize = read(clientfd, inbufp, sizeof(inbuf))) < 0) {
                    if (errno == ESHUTDOWN) {
                        error = ESHUTDOWN;
                        continue;
                    }
                    else {
                        server_error("recv()");
                    }
                }
                tr(TR_FUNC, TrServer, "recv() %d bytes\n", insize);

                if (insize == 1 && inbuf[0] == 0)
                    break;

                if (arg_pctm) {
                    inbufp++;
                    insize--;
                    outbufp = outbuf;
                    *outbufp++ = 0x70;
                    *outbufp++ = 0x00;
                }

                outsize = tm_ffs(outbufp, OUTBUF_SIZE, inbufp, insize);
            
                if (arg_pctm) {
                    outsize += 2;
                }
                if (write(clientfd, outbuf, outsize) < 0)
                    server_error("send()");
                tr(TR_FUNC, TrServer, "send(%d)\n", outsize);
            }
            close(clientfd);
        }
        close(myfd);
    }

    return(0);
}
#endif //nWIN32

/******************************************************************************
 * Prototypes and Globals
 ******************************************************************************/

void test_fatal_printf(char *format, ...)
{
    va_list args;
    static char buf[1024];

    va_start(args, format);
    vsprintf(buf, format, args);
    
    fprintf(stderr, "%s", buf);

    exit(1);
}