getidblock.c
Go to the documentation of this file.00001
00002 #include "define.h"
00003
00004 int process = 0, binary = 0;
00005 pst_file pstfile;
00006
00007
00008 void usage();
00009 void usage()
00010 {
00011 printf("usage: getidblock [options] filename id\n");
00012 printf("\tfilename - name of the file to access\n");
00013 printf("\tid - ID of the block to fetch (0 to fetch all) - can begin with 0x for hex\n");
00014 printf("\toptions\n");
00015 printf("\t\t-p\tProcess the block before finishing.\n");
00016 printf("\t\t-b\tDump the blocks in binary to stdout.\n");
00017 printf("\t\t\tView the debug log for information\n");
00018 }
00019
00020
00021 void dumper(uint64_t i_id);
00022 void dumper(uint64_t i_id)
00023 {
00024 char *buf = NULL;
00025 size_t readSize;
00026 pst_desc_tree *ptr;
00027
00028 DEBUG_INFO(("\n\n\nLooking at block index1 id %#"PRIx64"\n", i_id));
00029
00030 if ((readSize = pst_ff_getIDblock_dec(&pstfile, i_id, &buf)) <= 0 || buf == 0) {
00031 DIE(("Error loading block\n"));
00032 }
00033
00034 DEBUG_INFO(("Printing block i_id %#"PRIx64", size %#"PRIx64"\n", i_id, (uint64_t)readSize));
00035 if (binary) {
00036 if (fwrite(buf, 1, readSize, stdout) != 0) {
00037 DIE(("Error occured during writing of buf to stdout\n"));
00038 }
00039 } else {
00040 printf("Block id %#"PRIx64", size %#"PRIx64"\n", i_id, (uint64_t)readSize);
00041 pst_debug_hexdumper(stdout, buf, readSize, 0x10, 0);
00042 }
00043 if (buf) free(buf);
00044
00045 if (process) {
00046 DEBUG_INFO(("Parsing block id %#"PRIx64"\n", i_id));
00047 ptr = pstfile.d_head;
00048 while (ptr) {
00049 if (ptr->assoc_tree && ptr->assoc_tree->i_id == i_id)
00050 break;
00051 if (ptr->desc && ptr->desc->i_id == i_id)
00052 break;
00053 ptr = pst_getNextDptr(ptr);
00054 }
00055 if (!ptr) {
00056 ptr = (pst_desc_tree *) pst_malloc(sizeof(pst_desc_tree));
00057 memset(ptr, 0, sizeof(pst_desc_tree));
00058 ptr->desc = pst_getID(&pstfile, i_id);
00059 }
00060 pst_item *item = pst_parse_item(&pstfile, ptr, NULL);
00061 if (item) pst_freeItem(item);
00062 }
00063 }
00064
00065
00066 void dump_desc(pst_desc_tree *ptr, pst_desc_tree *parent);
00067 void dump_desc(pst_desc_tree *ptr, pst_desc_tree *parent)
00068 {
00069 while (ptr) {
00070 uint64_t parent_d_id = (parent) ? parent->d_id : 0;
00071 printf("Descriptor block d_id %#"PRIx64" parent d_id %#"PRIx64" children %i desc.i_id=%#"PRIx64", assoc tree.i_id=%#"PRIx64"\n",
00072 ptr->d_id, parent_d_id, ptr->no_child,
00073 (ptr->desc ? ptr->desc->i_id : (uint64_t)0),
00074 (ptr->assoc_tree ? ptr->assoc_tree->i_id : (uint64_t)0));
00075 if (ptr->desc && ptr->desc->i_id) dumper(ptr->desc->i_id);
00076 if (ptr->assoc_tree && ptr->assoc_tree->i_id) dumper(ptr->assoc_tree->i_id);
00077 if (ptr->child) dump_desc(ptr->child, ptr);
00078 ptr = ptr->next;
00079 }
00080 }
00081
00082
00083 int main(int argc, char* const* argv)
00084 {
00085
00086 char *fname, *sid;
00087 uint64_t i_id;
00088 int c;
00089
00090 DEBUG_INIT("getidblock.log", NULL);
00091 DEBUG_ENT("main");
00092
00093 while ((c = getopt(argc, argv, "bp")) != -1) {
00094 switch (c) {
00095 case 'b':
00096
00097 binary = 1;
00098 break;
00099 case 'p':
00100
00101 process = 1;
00102 break;
00103 default:
00104 usage();
00105 exit(EXIT_FAILURE);
00106 }
00107 }
00108
00109 if (optind + 1 >= argc) {
00110
00111 usage();
00112 exit(EXIT_FAILURE);
00113 }
00114 fname = argv[optind];
00115 sid = argv[optind + 1];
00116 i_id = (uint64_t)strtoll(sid, NULL, 0);
00117
00118 DEBUG_INFO(("Opening file\n"));
00119 memset(&pstfile, 0, sizeof(pstfile));
00120 if (pst_open(&pstfile, fname, NULL)) {
00121 DIE(("Error opening file\n"));
00122 }
00123
00124 DEBUG_INFO(("Loading Index\n"));
00125 if (pst_load_index(&pstfile) != 0) {
00126 DIE(("Error loading file index\n"));
00127 }
00128
00129 if (i_id) {
00130 dumper(i_id);
00131 }
00132 else {
00133 size_t i;
00134 for (i = 0; i < pstfile.i_count; i++) {
00135 dumper(pstfile.i_table[i].i_id);
00136 }
00137 dump_desc(pstfile.d_head, NULL);
00138 }
00139
00140 if (pst_close(&pstfile) != 0) {
00141 DIE(("pst_close failed\n"));
00142 }
00143
00144 DEBUG_RET();
00145 return 0;
00146 }
00147