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Reformat all code to coding standard
This commit is contained in:
Andrew Hutchings
@ -19,7 +19,7 @@
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//
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// C++ Implementation: iomanager
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//
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// Description:
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// Description:
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//
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//
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// Author: Jason Rodriguez <jrodriguez@calpont.com>
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@ -51,258 +51,298 @@ using namespace std;
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using namespace config;
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#include "iomanager.h"
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namespace {
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namespace
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{
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using namespace dbbc;
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using namespace std;
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void timespec_sub(const struct timespec &tv1,
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const struct timespec &tv2,
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double &tm)
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void timespec_sub(const struct timespec& tv1,
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const struct timespec& tv2,
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double& tm)
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{
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tm = (double)(tv2.tv_sec - tv1.tv_sec) + 1.e-9*(tv2.tv_nsec - tv1.tv_nsec);
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tm = (double)(tv2.tv_sec - tv1.tv_sec) + 1.e-9 * (tv2.tv_nsec - tv1.tv_nsec);
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}
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struct IOMThreadArg {
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ioManager* iom;
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int32_t thdId;
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struct IOMThreadArg
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{
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ioManager* iom;
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int32_t thdId;
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};
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typedef IOMThreadArg IOMThreadArg_t;
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void* thr_popper(void* arg) {
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ioManager* iom = ((IOMThreadArg*)arg)->iom;
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int32_t iomThdId = ((IOMThreadArg*)arg)->thdId;
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FileBufferMgr* fbm;
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int totalRqst=0;
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fileRequest* fr=0;
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BRM::LBID_t lbid=0;
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BRM::OID_t oid=0;
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BRM::VER_t ver=0;
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int blocksLoaded=0;
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int blocksRead=0;
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const unsigned pageSize = 4096;
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fbm = &iom->fileBufferManager();
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char fileName[WriteEngine::FILE_NAME_SIZE];
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const uint64_t fileBlockSize = BLOCK_SIZE;
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uint32_t offset=0;
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bool flg=false;
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char* fileNamePtr=fileName;
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uint64_t longSeekOffset=0;
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int err;
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uint32_t dlen = 0, acc, readSize, blocksThisRead, j;
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uint32_t blocksRequested=0;
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ssize_t i;
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uint32_t sz=0;
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char* alignedbuff=0;
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boost::scoped_array<char> realbuff;
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pthread_t threadId=0;
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ostringstream iomLogFileName;
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ofstream lFile;
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void* thr_popper(void* arg)
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{
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ioManager* iom = ((IOMThreadArg*)arg)->iom;
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int32_t iomThdId = ((IOMThreadArg*)arg)->thdId;
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FileBufferMgr* fbm;
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int totalRqst = 0;
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fileRequest* fr = 0;
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BRM::LBID_t lbid = 0;
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BRM::OID_t oid = 0;
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BRM::VER_t ver = 0;
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int blocksLoaded = 0;
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int blocksRead = 0;
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const unsigned pageSize = 4096;
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fbm = &iom->fileBufferManager();
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char fileName[WriteEngine::FILE_NAME_SIZE];
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const uint64_t fileBlockSize = BLOCK_SIZE;
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uint32_t offset = 0;
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bool flg = false;
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char* fileNamePtr = fileName;
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uint64_t longSeekOffset = 0;
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int err;
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uint32_t dlen = 0, acc, readSize, blocksThisRead, j;
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uint32_t blocksRequested = 0;
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ssize_t i;
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uint32_t sz = 0;
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char* alignedbuff = 0;
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boost::scoped_array<char> realbuff;
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pthread_t threadId = 0;
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ostringstream iomLogFileName;
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ofstream lFile;
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threadId=pthread_self();
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threadId = pthread_self();
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uint32_t readBufferSz=iom->blocksPerRead * BLOCK_SIZE+pageSize;
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uint32_t readBufferSz = iom->blocksPerRead * BLOCK_SIZE + pageSize;
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realbuff.reset(new char[readBufferSz]);
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if (realbuff.get() == 0) {
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cerr << "thr_popper: Can't allocate space for a whole extent in memory" << endl;
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return 0;
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}
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realbuff.reset(new char[readBufferSz]);
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if (realbuff.get() == 0)
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{
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cerr << "thr_popper: Can't allocate space for a whole extent in memory" << endl;
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return 0;
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}
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#if __WORDSIZE > 32
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//alignedbuff=(char*)((((ptrdiff_t)&realbuff[0] + pageSize - 1) / pageSize) * pageSize);
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// pagesize == (1 << 12)
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alignedbuff=(char*)((((ptrdiff_t)realbuff.get() >> 12) << 12) + pageSize);
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//alignedbuff=(char*)((((ptrdiff_t)&realbuff[0] + pageSize - 1) / pageSize) * pageSize);
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// pagesize == (1 << 12)
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alignedbuff = (char*)((((ptrdiff_t)realbuff.get() >> 12) << 12) + pageSize);
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#else
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//alignedbuff=(char*)(((((ptrdiff_t)&realbuff[0] & 0xffffffff) + pageSize - 1) / pageSize) * pageSize);
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alignedbuff=(char*)(((((ptrdiff_t)realbuff.get() >> 12) << 12) & 0xffffffff) + pageSize);
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//alignedbuff=(char*)(((((ptrdiff_t)&realbuff[0] & 0xffffffff) + pageSize - 1) / pageSize) * pageSize);
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alignedbuff = (char*)(((((ptrdiff_t)realbuff.get() >> 12) << 12) & 0xffffffff) + pageSize);
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#endif
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idbassert(((ptrdiff_t)alignedbuff - (ptrdiff_t)realbuff.get()) < (ptrdiff_t)pageSize);
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idbassert(((ptrdiff_t)alignedbuff % pageSize) == 0);
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idbassert(((ptrdiff_t)alignedbuff - (ptrdiff_t)realbuff.get()) < (ptrdiff_t)pageSize);
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idbassert(((ptrdiff_t)alignedbuff % pageSize) == 0);
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for ( ; ; ) {
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for ( ; ; )
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{
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fr = iom->getNextRequest();
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lbid = fr->Lbid();
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ver = fr->Ver();
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flg = fr->Flg();
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blocksLoaded=0;
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blocksRead=0;
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dlen = fr->BlocksRequested();
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blocksRequested = fr->BlocksRequested();
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err = iom->lbidLookup(lbid, ver, flg, oid, offset);
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if (err < 0) {
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cerr << "lbid=" << lbid << " ver=" << ver << " flg=" << (flg ? 1 : 0) << endl;
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throw runtime_error("thr_popper: BRM lookup failure");
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}
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fr = iom->getNextRequest();
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lbid = fr->Lbid();
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ver = fr->Ver();
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flg = fr->Flg();
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blocksLoaded = 0;
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blocksRead = 0;
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dlen = fr->BlocksRequested();
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blocksRequested = fr->BlocksRequested();
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longSeekOffset=(uint64_t)offset * (uint64_t)fileBlockSize;
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totalRqst++;
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sz=0;
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err = iom->lbidLookup(lbid, ver, flg, oid, offset);
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uint32_t readCount=0;
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uint32_t bytesRead=0;
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uint32_t jend = blocksRequested/iom->blocksPerRead;
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for (j = 0; j <= jend; j++) {
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if (err < 0)
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{
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cerr << "lbid=" << lbid << " ver=" << ver << " flg=" << (flg ? 1 : 0) << endl;
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throw runtime_error("thr_popper: BRM lookup failure");
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}
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blocksThisRead = std::min(dlen, iom->blocksPerRead);
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readSize = blocksThisRead * BLOCK_SIZE;
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longSeekOffset = (uint64_t)offset * (uint64_t)fileBlockSize;
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totalRqst++;
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sz = 0;
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acc = 0;
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while (acc < readSize) {
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i = readSize; //pread(fd, &alignedbuff[acc], readSize - acc, longSeekOffset);
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/* XXXPAT: Need to decide how to handle errors here */
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if (i < 0 && errno == EINTR) {
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continue;
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}
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else if (i < 0) {
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perror("thr_popper::read");
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return 0; // shuts down this thread,
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// probably not the right thing to do
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}
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else if (i == 0) {
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try {
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} catch (exception& exc) {
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cerr << "FileName Err:" << exc.what() << endl;
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}
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cerr << "thr_popper: Early EOF in file " << fileNamePtr << endl;
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return 0;
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}
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acc += i;
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longSeekOffset += (uint64_t)i;
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readCount++;
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bytesRead+=i;
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} // while(acc...
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blocksRead+=blocksThisRead;
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uint32_t readCount = 0;
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uint32_t bytesRead = 0;
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uint32_t jend = blocksRequested / iom->blocksPerRead;
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for (i = 0; (unsigned)i < blocksThisRead; ++i) {
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if (fbm->insert( (lbid+i) + (j*iom->blocksPerRead), ver, (uint8_t*)&alignedbuff[i*BLOCK_SIZE]))
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++blocksLoaded;
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}
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for (j = 0; j <= jend; j++)
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{
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dlen -= blocksThisRead;
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} // for (j...
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blocksThisRead = std::min(dlen, iom->blocksPerRead);
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readSize = blocksThisRead * BLOCK_SIZE;
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fr->BlocksRead(blocksRead);
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fr->BlocksLoaded(blocksLoaded);
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acc = 0;
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if (fr->data != 0 && blocksRequested == 1)
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memcpy(fr->data, alignedbuff, BLOCK_SIZE);
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while (acc < readSize)
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{
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i = readSize; //pread(fd, &alignedbuff[acc], readSize - acc, longSeekOffset);
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pthread_mutex_lock(&fr->frMutex());
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fr->SetPredicate(fileRequest::COMPLETE);
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pthread_cond_signal(&fr->frCond());
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pthread_mutex_unlock(&fr->frMutex());
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/* XXXPAT: Need to decide how to handle errors here */
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if (i < 0 && errno == EINTR)
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{
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continue;
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}
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else if (i < 0)
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{
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perror("thr_popper::read");
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return 0; // shuts down this thread,
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// probably not the right thing to do
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}
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else if (i == 0)
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{
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try
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{
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} // for(;;)
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}
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catch (exception& exc)
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{
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cerr << "FileName Err:" << exc.what() << endl;
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}
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lFile.close();
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cerr << "thr_popper: Early EOF in file " << fileNamePtr << endl;
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return 0;
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}
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return 0;
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acc += i;
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longSeekOffset += (uint64_t)i;
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readCount++;
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bytesRead += i;
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} // while(acc...
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blocksRead += blocksThisRead;
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for (i = 0; (unsigned)i < blocksThisRead; ++i)
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{
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if (fbm->insert( (lbid + i) + (j * iom->blocksPerRead), ver, (uint8_t*)&alignedbuff[i * BLOCK_SIZE]))
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++blocksLoaded;
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}
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dlen -= blocksThisRead;
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} // for (j...
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fr->BlocksRead(blocksRead);
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fr->BlocksLoaded(blocksLoaded);
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if (fr->data != 0 && blocksRequested == 1)
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memcpy(fr->data, alignedbuff, BLOCK_SIZE);
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pthread_mutex_lock(&fr->frMutex());
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fr->SetPredicate(fileRequest::COMPLETE);
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pthread_cond_signal(&fr->frCond());
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pthread_mutex_unlock(&fr->frMutex());
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} // for(;;)
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lFile.close();
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return 0;
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} // end thr_popper
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} // anonymous namespace
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namespace dbbc {
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ioManager::ioManager(FileBufferMgr& fbm,
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fileBlockRequestQueue& fbrq,
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int thrCount,
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int bsPerRead):
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blocksPerRead(bsPerRead),
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fIOMfbMgr(fbm),
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fIOMRequestQueue(fbrq)
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namespace dbbc
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{
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if (thrCount<=0)
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thrCount=1;
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if (thrCount > 256)
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thrCount=256;
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fConfig = Config::makeConfig();
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string val = fConfig->getConfig("DBBC", "IOMTracing");
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int temp=0;
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if (val.length()>0) temp=static_cast<int>(Config::fromText(val));
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if (temp > 0)
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fIOTrace=true;
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else
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fIOTrace=false;
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ioManager::ioManager(FileBufferMgr& fbm,
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fileBlockRequestQueue& fbrq,
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int thrCount,
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int bsPerRead):
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blocksPerRead(bsPerRead),
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fIOMfbMgr(fbm),
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fIOMRequestQueue(fbrq)
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{
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fThreadCount=thrCount;
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go();
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if (thrCount <= 0)
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thrCount = 1;
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if (thrCount > 256)
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thrCount = 256;
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fConfig = Config::makeConfig();
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string val = fConfig->getConfig("DBBC", "IOMTracing");
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int temp = 0;
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if (val.length() > 0) temp = static_cast<int>(Config::fromText(val));
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if (temp > 0)
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fIOTrace = true;
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else
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fIOTrace = false;
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fThreadCount = thrCount;
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go();
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} // ioManager
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void ioManager::buildOidFileName(const BRM::OID_t oid, char* file_name) {
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void ioManager::buildOidFileName(const BRM::OID_t oid, char* file_name)
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{
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if (fFileOp.getFileName(oid, file_name) != WriteEngine::NO_ERROR) {
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file_name[0]=0;
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throw std::runtime_error("fileOp.getFileName failed");
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}
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if (fFileOp.getFileName(oid, file_name) != WriteEngine::NO_ERROR)
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{
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file_name[0] = 0;
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throw std::runtime_error("fileOp.getFileName failed");
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}
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}
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BRM::LBID_t ioManager::lbidLookup(BRM::LBID_t lbid,
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BRM::VER_t verid,
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bool vbFlag,
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BRM::OID_t& oid,
|
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uint32_t& offset)
|
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BRM::VER_t verid,
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bool vbFlag,
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BRM::OID_t& oid,
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uint32_t& offset)
|
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{
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int rc = fdbrm.lookup(lbid, verid, vbFlag, oid, offset);
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return rc;
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int rc = fdbrm.lookup(lbid, verid, vbFlag, oid, offset);
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return rc;
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}
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int ioManager::createReaders() {
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int realCnt=0;
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IOMThreadArg_t fThdArgArr[256];
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for (int idx=0; idx<fThreadCount; idx++){
|
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fThdArgArr[realCnt].iom = this;
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fThdArgArr[realCnt].thdId = realCnt;
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int ret = pthread_create(&fThreadArr[realCnt], 0, thr_popper, &fThdArgArr[realCnt]);
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if (ret!=0)
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perror("createReaders::pthread_create");
|
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else
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realCnt++;
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}
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fThreadCount=realCnt;
|
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return fThreadCount;
|
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int ioManager::createReaders()
|
||||
{
|
||||
int realCnt = 0;
|
||||
IOMThreadArg_t fThdArgArr[256];
|
||||
|
||||
for (int idx = 0; idx < fThreadCount; idx++)
|
||||
{
|
||||
fThdArgArr[realCnt].iom = this;
|
||||
fThdArgArr[realCnt].thdId = realCnt;
|
||||
int ret = pthread_create(&fThreadArr[realCnt], 0, thr_popper, &fThdArgArr[realCnt]);
|
||||
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||||
if (ret != 0)
|
||||
perror("createReaders::pthread_create");
|
||||
else
|
||||
realCnt++;
|
||||
}
|
||||
|
||||
fThreadCount = realCnt;
|
||||
return fThreadCount;
|
||||
}
|
||||
|
||||
|
||||
ioManager::~ioManager()
|
||||
{
|
||||
stop();
|
||||
stop();
|
||||
}
|
||||
|
||||
void ioManager::go(void) {
|
||||
createReaders();
|
||||
void ioManager::go(void)
|
||||
{
|
||||
createReaders();
|
||||
}
|
||||
|
||||
|
||||
void ioManager::stop() {
|
||||
for(int idx=0; idx <fThreadCount; idx++) {
|
||||
pthread_detach(fThreadArr[idx]);
|
||||
}
|
||||
void ioManager::stop()
|
||||
{
|
||||
for (int idx = 0; idx < fThreadCount; idx++)
|
||||
{
|
||||
pthread_detach(fThreadArr[idx]);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
fileRequest* ioManager::getNextRequest() {
|
||||
fileRequest* blk = 0;
|
||||
try {
|
||||
blk = fIOMRequestQueue.pop();
|
||||
return blk;
|
||||
} catch (exception& e) {
|
||||
cerr << "ioManager::getNextRequest() ERROR " << endl;
|
||||
}
|
||||
fileRequest* ioManager::getNextRequest()
|
||||
{
|
||||
fileRequest* blk = 0;
|
||||
|
||||
try
|
||||
{
|
||||
blk = fIOMRequestQueue.pop();
|
||||
return blk;
|
||||
}
|
||||
catch (exception& e)
|
||||
{
|
||||
cerr << "ioManager::getNextRequest() ERROR " << endl;
|
||||
}
|
||||
|
||||
return blk;
|
||||
|
||||
return blk;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user