[TD-3064]<fix>: fix wal file size(>2G) overflow with int32_t

src/sync/src/syncRetrieve.c

@@ -170,14 +170,14 @@ static int32_t syncReadOneWalRecord(int32_t sfd, SWalHead *pHead) {
   return sizeof(SWalHead) + pHead->len;
 }
 
-static int32_t syncRetrieveLastWal(SSyncPeer *pPeer, char *name, uint64_t fversion, int64_t offset) {
+static int64_t syncRetrieveLastWal(SSyncPeer *pPeer, char *name, uint64_t fversion, int64_t offset) {
   int32_t sfd = open(name, O_RDONLY | O_BINARY);
   if (sfd < 0) {
     sError("%s, failed to open wal:%s for retrieve since:%s", pPeer->id, name, tstrerror(errno));
     return -1;
   }
 
-  int32_t code = (int32_t)taosLSeek(sfd, offset, SEEK_SET);
+  int64_t code = taosLSeek(sfd, offset, SEEK_SET);
   if (code < 0) {
     sError("%s, failed to seek %" PRId64 " in wal:%s for retrieve since:%s", pPeer->id, offset, name, tstrerror(errno));
     close(sfd);
@@ -187,7 +187,7 @@ static int32_t syncRetrieveLastWal(SSyncPeer *pPeer, char *name, uint64_t fversi
   sDebug("%s, retrieve last wal:%s, offset:%" PRId64 " fver:%" PRIu64, pPeer->id, name, offset, fversion);
 
   SWalHead *pHead = malloc(SYNC_MAX_SIZE);
-  int32_t   bytes = 0;
+  int64_t   bytes = 0;
 
   while (1) {
     code = syncReadOneWalRecord(sfd, pHead);
@@ -198,13 +198,13 @@ static int32_t syncRetrieveLastWal(SSyncPeer *pPeer, char *name, uint64_t fversi
 
     if (code == 0) {
       code = bytes;
-      sDebug("%s, read to the end of wal, bytes:%d", pPeer->id, bytes);
+      sDebug("%s, read to the end of wal, bytes:%" PRId64, pPeer->id, bytes);
       break;
     }
 
     sTrace("%s, last wal is forwarded, hver:%" PRIu64, pPeer->id, pHead->version);
 
-    int32_t wsize = code;
+    int32_t wsize = (int32_t)code;
     int32_t ret = taosWriteMsg(pPeer->syncFd, pHead, wsize);
     if (ret != wsize) {
       code = -1;
@@ -228,7 +228,7 @@ static int32_t syncRetrieveLastWal(SSyncPeer *pPeer, char *name, uint64_t fversi
   return code;
 }
 
-static int32_t syncProcessLastWal(SSyncPeer *pPeer, char *wname, int64_t index) {
+static int64_t syncProcessLastWal(SSyncPeer *pPeer, char *wname, int64_t index) {
   SSyncNode *pNode = pPeer->pSyncNode;
   int32_t    once = 0;  // last WAL has once ever been processed
   int64_t    offset = 0;
@@ -243,9 +243,9 @@ static int32_t syncProcessLastWal(SSyncPeer *pPeer, char *wname, int64_t index)
     if (syncAreFilesModified(pNode, pPeer)) return -1;
     if (syncGetWalVersion(pNode, pPeer) < 0) return -1;
 
-    int32_t bytes = syncRetrieveLastWal(pPeer, fname, fversion, offset);
+    int64_t bytes = syncRetrieveLastWal(pPeer, fname, fversion, offset);
     if (bytes < 0) {
-      sDebug("%s, failed to retrieve last wal, bytes:%d", pPeer->id, bytes);
+      sDebug("%s, failed to retrieve last wal, bytes:%" PRId64, pPeer->id, bytes);
       return bytes;
     }
 
@@ -263,7 +263,7 @@ static int32_t syncProcessLastWal(SSyncPeer *pPeer, char *wname, int64_t index)
 
     // if all data up to fversion is read out, it is over
     if (pPeer->sversion >= fversion && fversion > 0) {
-      sDebug("%s, data up to fver:%" PRIu64 " has been read out, bytes:%d sver:%" PRIu64, pPeer->id, fversion, bytes,
+      sDebug("%s, data up to fver:%" PRIu64 " has been read out, bytes:%" PRId64 " sver:%" PRIu64, pPeer->id, fversion, bytes,
              pPeer->sversion);
       return 0;
     }
@@ -277,19 +277,19 @@ static int32_t syncProcessLastWal(SSyncPeer *pPeer, char *wname, int64_t index)
     // if bytes > 0, file is updated, or fversion is not reached but file still open, read again
     once = 1;
     offset += bytes;
-    sDebug("%s, continue retrieve last wal, bytes:%d offset:%" PRId64 " sver:%" PRIu64 " fver:%" PRIu64, pPeer->id,
+    sDebug("%s, continue retrieve last wal, bytes:%" PRId64 " offset:%" PRId64 " sver:%" PRIu64 " fver:%" PRIu64, pPeer->id,
            bytes, offset, pPeer->sversion, fversion);
   }
 
   return -1;
 }
 
-static int32_t syncRetrieveWal(SSyncPeer *pPeer) {
+static int64_t syncRetrieveWal(SSyncPeer *pPeer) {
   SSyncNode * pNode = pPeer->pSyncNode;
   char        fname[TSDB_FILENAME_LEN * 3];
   char        wname[TSDB_FILENAME_LEN * 2];
   int32_t     size;
-  int32_t     code = -1;
+  int64_t     code = -1;
   int64_t     index = 0;
 
   while (1) {
@@ -297,7 +297,7 @@ static int32_t syncRetrieveWal(SSyncPeer *pPeer) {
     wname[0] = 0;
     code = (*pNode->getWalInfoFp)(pNode->vgId, wname, &index);
     if (code < 0) {
-      sError("%s, failed to get wal info since:%s, code:0x%x", pPeer->id, strerror(errno), code);
+      sError("%s, failed to get wal info since:%s, code:0x%" PRIx64, pPeer->id, strerror(errno), code);
       break;
     }
 
@@ -309,7 +309,7 @@ static int32_t syncRetrieveWal(SSyncPeer *pPeer) {
 
     if (code == 0) {  // last wal
       code = syncProcessLastWal(pPeer, wname, index);
-      sInfo("%s, last wal processed, code:%d", pPeer->id, code);
+      sInfo("%s, last wal processed, code:%" PRId64, pPeer->id, code);
       break;
     }
 
@@ -320,7 +320,7 @@ static int32_t syncRetrieveWal(SSyncPeer *pPeer) {
     struct stat fstat;
     if (stat(fname, &fstat) < 0) {
       code = -1;
-      sDebug("%s, failed to stat wal:%s for retrieve since %s, code:0x%x", pPeer->id, fname, strerror(errno), code);
+      sDebug("%s, failed to stat wal:%s for retrieve since %s, code:0x%" PRIx64, pPeer->id, fname, strerror(errno), code);
       break;
     }
 
@@ -330,14 +330,14 @@ static int32_t syncRetrieveWal(SSyncPeer *pPeer) {
     int32_t sfd = open(fname, O_RDONLY | O_BINARY);
     if (sfd < 0) {
       code = -1;
-      sError("%s, failed to open wal:%s for retrieve since %s, code:0x%x", pPeer->id, fname, strerror(errno), code);
+      sError("%s, failed to open wal:%s for retrieve since %s, code:0x%" PRIx64, pPeer->id, fname, strerror(errno), code);
       break;
     }
 
     code = (int32_t)taosSendFile(pPeer->syncFd, sfd, NULL, size);
     close(sfd);
     if (code < 0) {
-      sError("%s, failed to send wal:%s for retrieve since %s, code:0x%x", pPeer->id, fname, strerror(errno), code);
+      sError("%s, failed to send wal:%s for retrieve since %s, code:0x%" PRIx64, pPeer->id, fname, strerror(errno), code);
       break;
     }
 
@@ -358,7 +358,7 @@ static int32_t syncRetrieveWal(SSyncPeer *pPeer) {
       code = -1;
     }
   } else {
-    sError("%s, failed to send wal since %s, code:0x%x", pPeer->id, strerror(errno), code);
+    sError("%s, failed to send wal since %s, code:0x%" PRIx64, pPeer->id, strerror(errno), code);
   }
 
   return code;
@@ -405,9 +405,9 @@ static int32_t syncRetrieveDataStepByStep(SSyncPeer *pPeer) {
   if (pPeer->sversion == 0) pPeer->sversion = 1;
 
   sInfo("%s, start to retrieve wals", pPeer->id);
-  int32_t code = syncRetrieveWal(pPeer);
-  if (code != 0) {
-    sError("%s, failed to retrieve wals, code:0x%x", pPeer->id, code);
+  int64_t code = syncRetrieveWal(pPeer);
+  if (code < 0) {
+    sError("%s, failed to retrieve wals, code:0x%" PRIx64, pPeer->id, code);
     return -1;
   }