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TD-34

This commit is contained in:
hzcheng 2020-03-28 15:03:50 +08:00
parent 016b5e8550
commit d37876fe31
3 changed files with 33 additions and 17 deletions
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11
src/vnode/tsdb/inc/tsdbFile.h
View File

@ -42,13 +42,16 @@ typedef enum {
extern const char *tsdbFileSuffix[];
typedef struct {
int8_t type;
int fd;
char fname[128];
int64_t size; // total size of the file
int64_t tombSize; // unused file size
int32_t totalBlocks;
int32_t totalSubBlocks;
} SFileInfo;
typedef struct {
int fd;
char fname[128];
SFileInfo info;
} SFile;
#define TSDB_IS_FILE_OPENED(f) ((f)->fd != -1)
@ -74,7 +77,7 @@ void tsdbCloseFileH(STsdbFileH *pFileH);
int tsdbCreateFile(char *dataDir, int fileId, char *suffix, int maxTables, SFile *pFile, int writeHeader, int toClose);
int tsdbCreateFGroup(STsdbFileH *pFileH, char *dataDir, int fid, int maxTables);
int tsdbOpenFile(SFile *pFile, int oflag);
SFileGroup *tsdbOpenFilesForCommit(STsdbFileH *pFileH, int fid);
int tsdbCloseFile(SFile *pFile); SFileGroup *tsdbOpenFilesForCommit(STsdbFileH *pFileH, int fid);
int tsdbRemoveFileGroup(STsdbFileH *pFile, int fid);
typedef struct {

18
src/vnode/tsdb/src/tsdbFile.c
View File

@ -268,7 +268,7 @@ static int compFGroup(const void *arg1, const void *arg2) {
static int tsdbWriteFileHead(SFile *pFile) {
char head[TSDB_FILE_HEAD_SIZE] = "\0";
pFile->size += TSDB_FILE_HEAD_SIZE;
pFile->info.size += TSDB_FILE_HEAD_SIZE;
// TODO: write version and File statistic to the head
lseek(pFile->fd, 0, SEEK_SET);
@ -292,7 +292,7 @@ static int tsdbWriteHeadFileIdx(SFile *pFile, int maxTables) {
return -1;
}
pFile->size += size;
pFile->info.size += size;
free(buf);
return 0;
@ -315,6 +315,12 @@ int tsdbOpenFile(SFile *pFile, int oflag) { // TODO: change the function
return 0;
}
int tsdbCloseFile(SFile *pFile) {
int ret = close(pFile->fd);
pFile->fd = -1;
return ret;
}
SFileGroup * tsdbOpenFilesForCommit(STsdbFileH *pFileH, int fid) {
SFileGroup *pGroup = tsdbSearchFGroup(pFileH, fid);
if (pGroup == NULL) return NULL;
@ -325,14 +331,6 @@ SFileGroup * tsdbOpenFilesForCommit(STsdbFileH *pFileH, int fid) {
return pGroup;
}
static int tsdbCloseFile(SFile *pFile) {
if (!TSDB_IS_FILE_OPENED(pFile)) return -1;
int ret = close(pFile->fd);
pFile->fd = -1;
return ret;
}
int tsdbCreateFile(char *dataDir, int fileId, char *suffix, int maxTables, SFile *pFile, int writeHeader, int toClose) {
memset((void *)pFile, 0, sizeof(SFile));
pFile->fd = -1;

21
src/vnode/tsdb/src/tsdbMain.c
View File

@ -937,7 +937,7 @@ static int tsdbCommitToFile(STsdbRepo *pRepo, int fid, SSkipListIterator **iters
} else {
pIdx->offset = lseek(hFile.fd, 0, SEEK_CUR);
sendfile(pGroup->files[TSDB_FILE_TYPE_HEAD].fd, hFile.fd, NULL, pIdx->len);
hFile.size += pIdx->len;
hFile.info.size += pIdx->len;
}
}
continue;
@ -977,8 +977,23 @@ static int tsdbCommitToFile(STsdbRepo *pRepo, int fid, SSkipListIterator **iters
}
}
// TODO: close the files and replace the .head and .last file
{}
// Write the SCompIdx part
if (lseek(hFile.fd, TSDB_FILE_HEAD_SIZE, SEEK_SET) < 0) {/* TODO */}
if (write(hFile.fd, (void *)pIndices, sizeof(SCompIdx) * pCfg->maxTables) < 0) {/* TODO */}
// close the files
for (int type = TSDB_FILE_TYPE_HEAD; type < TSDB_FILE_TYPE_MAX; type++) {
tsdbCloseFile(&pGroup->files[type]);
}
tsdbCloseFile(&hFile);
if (isNewLastFile) tsdbCloseFile(&lFile);
// TODO: replace the .head and .last file
rename(hFile.fname, pGroup->files[TSDB_FILE_TYPE_HEAD].fname);
pGroup->files[TSDB_FILE_TYPE_HEAD].info = hFile.info;
if (isNewLastFile) {
rename(lFile.fname, pGroup->files[TSDB_FILE_TYPE_LAST].fname);
pGroup->files[TSDB_FILE_TYPE_LAST].info = lFile.info;
}
if (pIndices) free(pIndices);
if (pCompInfo) free(pCompInfo);