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[Libvir] topology test program



Daniel,

As we discussed, here is the program I was using for testing different topology strings.

--
Elizabeth Kon (Beth)
IBM Linux Technology Center
Open Hypervisor Team
email: eak us ibm com

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <unistd.h>
#include <stdlib.h>


int
getNumber (char * pointer, int * result) {
    int i = 0, ret;
    while (isdigit(*(pointer + i)))
        i++;
    if (i == 0)
        return -1;
    *(result) = atoi(pointer);
    return (i);
}
main(){ 
     char string1[1024] = "node0:0-3,7,9-10\n   node1:11-14\n";
//     char string1[1024] = "node0:4,7\n";
//     char string1[1024] = "node0:8-9,11\n";
//     char string1[1024] = "node0:0,3,7,9\n   node21:11,14\n";
//     char string1[1024] = "node0:9\n   node21:11\n   node33:12-14\n";

//     char string1[1024] = "node0:0\n";
//     char string1[1024] = "node0:0-3\n   node1:4,5-9\n";
//     char string1[1024] = "node0:0-3\n \n";
//     char string1[1024] = "node0:0\n   node1:4,6-9\n";
//     char string1[1024] = "node0:Easeirasde1:4,6-9\n";
//     char string1[1024] = "node0:0-3-7,9-10\n   node1:11-14\n";
//     char string1[1024] = "node0:0\n                         node1:1";

 const char *nodeToCpu;
    char *offset, *xml_str, *tempStr = NULL, *reallocP;
    size_t len, dash, comma, newline;
    int cellNum, numCells = 2, numCpus = 15, cellCpuCount = 0, start, finish, r;
    int i = 0, *cpuNumsP = NULL, *iCpuNumsP; 
    int c, numSize, cpuNum, next;


    offset = &(string1[0]);

    cpuNumsP = iCpuNumsP = malloc(numCpus * sizeof(int));

    while ((offset = strstr(offset, "node")) != NULL) {
        cpuNumsP = iCpuNumsP;
        cellCpuCount = 0;    
        offset +=4;
        if ((numSize = getNumber(offset, &cellNum)) < 0) {
            printf ("no digits after node!!\n");
            return -1;
        }
        offset += numSize;
        if (*(offset) != ':') {
            printf ("no : after nodenumber!!\n");
            return -1;
        }
        offset++;
        /* get cpu numbers */
        while (1) {
            if ((numSize = getNumber(offset, &cpuNum)) < 0) {
                printf ("no digits after :!!\n");
                return -1;
            }
            offset += numSize;
            next = *(offset);
            if (next == '-') {
                offset++;
                start = cpuNum;
                if ((numSize = getNumber(offset, &finish)) < 0) {
                    printf ("no digits after -!!\n");
                    return -1;
                }
                if (start > finish) {
                     printf ("error, start > finish!!\n");
                     return -1;

                }
                for (i=start; i<=finish && cellCpuCount<numCpus; i++) {
                    *(cpuNumsP++) = i;
                    cellCpuCount++;
                }
                if (cellCpuCount >= numCpus) {
                     return -1;
                }
                offset += numSize;
                next = *(offset);
                offset++;
                if (next == ',') {
                    continue;
                } else if (next == '\n') {
                    break;
                } else {
                   printf ("badly formed !!\n");
                   return -1;
                }
            } else {
                /* add the single number */
                if (cellCpuCount >= numCpus) {
                   printf ("cellCpuCount %d > numCpus %d\n!!!!!!", cellCpuCount, numCpus);
                   return -1;
                }
                *(cpuNumsP) = cpuNum;
                cpuNumsP++;
                cellCpuCount++;
                if (next == ',') {
                    offset++;
                    continue;
                } else if (next == '\n') {
                break;
                } else {
                   printf ("badly formed\n");
                   return -1;
                }
            }
        }    
        printf ("\n");
        printf ("cell_id = %d\n",cellNum);
        printf ("cell cpu count = %d\n",cellCpuCount);
        for (i = 0; i < cellCpuCount; i++) {
            printf ("cpu id = %d\n", *(iCpuNumsP + i));
        }
    }
}

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