diff options
Diffstat (limited to 'src/store.cpp')
| -rw-r--r-- | src/store.cpp | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/src/store.cpp b/src/store.cpp index 4b66b6b..b075218 100644 --- a/src/store.cpp +++ b/src/store.cpp @@ -25,6 +25,7 @@ #include <errno.h> #include <string.h> #include <assert.h> +#include <ctype.h> #define BLOCK_SIZE 512 // should be >8 and a power of 2 #define BLOCK_POINTER_SIZE sizeof(portable_off_t) @@ -111,7 +112,7 @@ portable_off_t Store::alloc() portable_off_t pos; if (m_head==0) // allocate new block { - //printf("alloc: new block\n"); + //printf("alloc: new block, pos=%lld\n",(long long)m_front); if (portable_fseek(m_file,0,SEEK_END)==-1) // go to end of the file { fprintf(stderr,"Store::alloc: Error seeking to end of file: %s\n",strerror(errno)); @@ -130,7 +131,7 @@ portable_off_t Store::alloc() } else // reuse freed block { - //printf("alloc: reuse block: m_head=%d\n",(int)m_head); + //printf("alloc: reuse block: pos=%lld\n",(long long)m_head->pos); Node *node = m_head; pos = node->pos; // point head to next free item @@ -268,7 +269,7 @@ void Store::end() void Store::release(portable_off_t pos) { STORE_ASSERT(m_state==Reading); - //printf("%x: Store::release\n",(int)pos); + //printf("release: block pos=%lld\n",(long long)pos); STORE_ASSERT(pos>0 && (pos & (BLOCK_SIZE-1))==0); // goto end of the block portable_off_t cur = pos, next; @@ -396,6 +397,30 @@ void Store::printStats() BLOCK_SIZE,(long)(m_front/BLOCK_SIZE),m_reads,m_writes); } +void Store::dumpBlock(portable_off_t s,portable_off_t e) +{ + portable_fseek(m_file,s,SEEK_SET); + int size = (int)(e-s); + uchar *buf = new uchar[size]; + fread(buf,size,1,m_file); + int i,j; + for (i=0;i<size;i+=16) + { + printf("%08x: ",(int)s+i); + for (j=i;j<QMIN(size,i+16);j++) + { + printf("%02x ",buf[i+j]); + } + printf(" "); + for (j=i;j<QMIN(size,i+16);j++) + { + printf("%c",(buf[i+j]>=32 && buf[i+j]<128)?buf[i+j]:'.'); + } + printf("\n"); + } + portable_fseek(m_file,m_cur,SEEK_SET); +} + #ifdef STORE_TEST int main() |