提交 489179b9 编写于 作者: dengyihao's avatar dengyihao

update index TFile write

上级 76f70feb
......@@ -34,8 +34,14 @@ typedef struct WriterCtx {
int (*flush)(struct WriterCtx *ctx);
WriterType type;
union {
int fd;
void *mem;
struct {
int fd;
bool readOnly;
} file;
struct {
int32_t capa;
char *buf;
} mem;
};
int32_t offset;
int32_t limit;
......@@ -45,7 +51,7 @@ static int writeCtxDoWrite(WriterCtx *ctx, uint8_t *buf, int len);
static int writeCtxDoRead(WriterCtx *ctx, uint8_t *buf, int len);
static int writeCtxDoFlush(WriterCtx *ctx);
WriterCtx* writerCtxCreate(WriterType type, bool readOnly);
WriterCtx* writerCtxCreate(WriterType type, const char *path, bool readOnly, int32_t capacity);
void writerCtxDestroy(WriterCtx *w);
typedef uint32_t CheckSummer;
......@@ -66,7 +72,7 @@ int fstCountingWriterFlush(FstCountingWriter *write);
uint32_t fstCountingWriterMaskedCheckSum(FstCountingWriter *write);
FstCountingWriter *fstCountingWriterCreate(void *wtr, bool readOnly);
FstCountingWriter *fstCountingWriterCreate(void *wtr);
void fstCountingWriterDestroy(FstCountingWriter *w);
......
......@@ -18,23 +18,36 @@
#include "index.h"
#include "indexInt.h"
#include "tlockfree.h"
#include "tskiplist.h"
#include "index_tfile.h"
#include "index_fst.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct TFileWriter {
FstBuilder *fb;
} TFileWriter;
typedef struct TFileReader {
T_REF_DECLARE()
Fst *fst;
} TFileReader;
typedef struct IndexTFile {
T_REF_DECLARE()
TFileReader *tb;
TFileWriter *tw;
} IndexTFile;
IndexTFile *indexTFileCreate();
int indexTFilePut(void *tfile, SIndexTerm *term, uint64_t uid);
int indexTFileSearch(void *tfile, SIndexTermQuery *query, SArray *result);
#ifdef __cplusplus
}
......
......@@ -779,7 +779,7 @@ FstBuilder *fstBuilderCreate(void *w, FstType ty) {
if (NULL == b) { return b; }
b->wrt = fstCountingWriterCreate(w, false);
b->wrt = fstCountingWriterCreate(w);
b->unfinished = fstUnFinishedNodesCreate();
b->registry = fstRegistryCreate(10000, 2) ;
b->last = fstSliceCreate(NULL, 0);
......
......@@ -23,9 +23,9 @@ static int writeCtxDoWrite(WriterCtx *ctx, uint8_t *buf, int len) {
}
if (ctx->type == TFile) {
assert(len == tfWrite(ctx->fd, buf, len));
assert(len == tfWrite(ctx->file.fd, buf, len));
} else {
memcpy(ctx->mem + ctx->offset, buf, len);
memcpy(ctx->mem.buf+ ctx->offset, buf, len);
}
ctx->offset += len;
return len;
......@@ -33,9 +33,9 @@ static int writeCtxDoWrite(WriterCtx *ctx, uint8_t *buf, int len) {
static int writeCtxDoRead(WriterCtx *ctx, uint8_t *buf, int len) {
int nRead = 0;
if (ctx->type == TFile) {
nRead = tfRead(ctx->fd, buf, len);
nRead = tfRead(ctx->file.fd, buf, len);
} else {
memcpy(buf, ctx->mem + ctx->offset, len);
memcpy(buf, ctx->mem.buf + ctx->offset, len);
}
ctx->offset += nRead;
......@@ -44,63 +44,64 @@ static int writeCtxDoRead(WriterCtx *ctx, uint8_t *buf, int len) {
static int writeCtxDoFlush(WriterCtx *ctx) {
if (ctx->type == TFile) {
//tfFsync(ctx->fd);
//tfFlush(ctx->fd);
//tfFlush(ctx->file.fd);
} else {
// do nothing
}
return 1;
}
WriterCtx* writerCtxCreate(WriterType type, bool readOnly) {
WriterCtx* writerCtxCreate(WriterType type, const char *path, bool readOnly, int32_t capacity) {
WriterCtx *ctx = calloc(1, sizeof(WriterCtx));
if (ctx == NULL) { return NULL; }
ctx->type = type;
if (ctx->type == TFile) {
tfInit();
// ugly code, refactor later
ctx->file.readOnly = readOnly;
if (readOnly == false) {
ctx->fd = tfOpenCreateWriteAppend(tmpFile);
ctx->file.fd = tfOpenCreateWriteAppend(tmpFile);
} else {
ctx->fd = tfOpenReadWrite(tmpFile);
ctx->file.fd = tfOpenReadWrite(tmpFile);
}
if (ctx->fd < 0) {
if (ctx->file.fd < 0) {
indexError("open file error %d", errno);
}
} else if (ctx->type == TMemory) {
ctx->mem = calloc(1, DefaultMem * sizeof(uint8_t));
ctx->mem.buf = calloc(1, sizeof(char) * capacity);
ctx->mem.capa = capacity;
}
ctx->write = writeCtxDoWrite;
ctx->read = writeCtxDoRead;
ctx->flush = writeCtxDoFlush;
ctx->offset = 0;
ctx->limit = DefaultMem;
ctx->limit = capacity;
return ctx;
}
void writerCtxDestroy(WriterCtx *ctx) {
if (ctx->type == TMemory) {
free(ctx->mem);
free(ctx->mem.buf);
} else {
tfClose(ctx->fd);
tfCleanup();
tfClose(ctx->file.fd);
}
free(ctx);
}
FstCountingWriter *fstCountingWriterCreate(void *wrt, bool readOnly) {
FstCountingWriter *fstCountingWriterCreate(void *wrt) {
FstCountingWriter *cw = calloc(1, sizeof(FstCountingWriter));
if (cw == NULL) { return NULL; }
cw->wrt = (void *)(writerCtxCreate(TFile, readOnly));
cw->wrt = wrt;
//(void *)(writerCtxCreate(TFile, readOnly));
return cw;
}
void fstCountingWriterDestroy(FstCountingWriter *cw) {
// free wrt object: close fd or free mem
fstCountingWriterFlush(cw);
writerCtxDestroy((WriterCtx *)(cw->wrt));
//writerCtxDestroy((WriterCtx *)(cw->wrt));
free(cw);
}
......@@ -124,6 +125,7 @@ int fstCountingWriterRead(FstCountingWriter *write, uint8_t *buf, uint32_t len)
}
uint32_t fstCountingWriterMaskedCheckSum(FstCountingWriter *write) {
return 0;
}
int fstCountingWriterFlush(FstCountingWriter *write) {
......
......@@ -14,18 +14,24 @@
*/
#include "index_tfile.h"
#include "index_fst.h"
IndexTFile *indexTFileCreate() {
IndexTFile *tfile = calloc(1, sizeof(IndexTFile));
return tfile;
}
void IndexTFileDestroy(IndexTFile *tfile) {
free(tfile);
}
int indexTFileSearch(void *tfile, SIndexTermQuery *query, SArray *result) {
IndexTFile *ptfile = (IndexTFile *)tfile;
return 0;
}
int indexTFilePut(void *tfile, SIndexTerm *term, uint64_t uid);
......@@ -45,7 +45,7 @@ class FstWriter {
class FstReadMemory {
public:
FstReadMemory(size_t size) {
_w = fstCountingWriterCreate(NULL, true);
_w = fstCountingWriterCreate(NULL);
_size = size;
memset((void *)&_s, 0, sizeof(_s));
}
......
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