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Improved --commcheck. Add the infoMsg() function which is useful for

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debugging.

FossilOrigin-Name: b979d02ffd1370d8840328bce06c76c224f0fc1fb54b47d6c904547580a820a1
This commit is contained in:
drh
2024-09-12 16:54:34 +00:00
parent 0b8c8c861b
commit 6df1de1c73
3 changed files with 93 additions and 70 deletions
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12
manifest
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@ -1,5 +1,5 @@
C Pass\sthe\snames\sof\sboth\sthe\sorigin\sand\sthe\sreplica\sdatabases\sto\sthe\sremote\nside,\sso\sthat\sif\sthe\sremote\sis\sthe\sreplica,\sit\swill\shave\saccess\sto\sthe\norigin\sdatabase\sname\sin\scase\sthe\sreplica\sname\sis\sreally\sa\sdirectory.
D 2024-09-12T15:51:56.339
C Improved\s--commcheck.\s\sAdd\sthe\sinfoMsg()\sfunction\swhich\sis\suseful\sfor\ndebugging.
D 2024-09-12T16:54:34.620
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -2174,7 +2174,7 @@ F tool/speedtest8inst1.c 7ce07da76b5e745783e703a834417d725b7d45fd
F tool/spellsift.tcl 52b4b04dc4333c7ab024f09d9d66ed6b6f7c6eb00b38497a09f338fa55d40618 x
F tool/split-sqlite3c.tcl 5aa60643afca558bc732b1444ae81a522326f91e1dc5665b369c54f09e20de60
F tool/sqldiff.c 847fc8fcfddf5ce4797b7394cad6372f2f5dc17d8186e2ef8fb44d50fae4f44a
F tool/sqlite3-rsync.c 7b7d24177b27f42dfcd7e962be4a526e775b073f2044cd1f7d3414581810baea
F tool/sqlite3-rsync.c 72632a237c91c97a7320cf064b8f2d6662721b61fc5f123e40e6d272207b4a96
F tool/sqlite3_analyzer.c.in 8da2b08f56eeac331a715036cf707cc20f879f231362be0c22efd682e2b89b4f
F tool/sqltclsh.c.in 1bcc2e9da58fadf17b0bf6a50e68c1159e602ce057210b655d50bad5aaaef898
F tool/sqltclsh.tcl 862f4cf1418df5e1315b5db3b5ebe88969e2a784525af5fbf9596592f14ed848
@ -2213,8 +2213,8 @@ F vsixtest/vsixtest.tcl 6195aba1f12a5e10efc2b8c0009532167be5e301abe5b31385638080
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P df0623aae1154281157409f62d6d3fb3ce41829281d53bc55868ce44b3d36883
R 137e53956a972f25c62e4e4b74ab6074
P 435c30171d3c6073b7aaf5cc11cc4813f6a2d225ae6dce1b0e478f0cd5a0b532
R aafd9793078a7056ec93ac4f3aad0430
U drh
Z 061042360cfb45012e27693425840440
Z 9f40e243e2ff00f83272b62111b602fb
# Remove this line to create a well-formed Fossil manifest.

2
manifest.uuid
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@ -1 +1 @@
435c30171d3c6073b7aaf5cc11cc4813f6a2d225ae6dce1b0e478f0cd5a0b532
b979d02ffd1370d8840328bce06c76c224f0fc1fb54b47d6c904547580a820a1

145
tool/sqlite3-rsync.c
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@ -50,6 +50,7 @@ struct SQLiteRsync {
u8 eVerbose; /* Bigger for more output. 0 means none. */
u8 bCommCheck; /* True to debug the communication protocol */
u8 isRemote; /* On the remote side of a connection */
u8 isReplica; /* True if running on the replica side */
u8 iProtocol; /* Protocol version number */
sqlite3_uint64 nOut; /* Bytes transmitted */
sqlite3_uint64 nIn; /* Bytes received */
@ -72,12 +73,14 @@ struct SQLiteRsync {
#define ORIGIN_ERROR 0x43 /* Error message from the remote */
#define ORIGIN_PAGE 0x44 /* New page data */
#define ORIGIN_TXN 0x45 /* Transaction commit */
#define ORIGIN_MSG 0x46 /* Informational message */
#define REPLICA_BEGIN 0x61 /* Welcome message */
#define REPLICA_ERROR 0x62 /* Error. Report and quit. */
#define REPLICA_END 0x63 /* Replica wants to stop */
#define REPLICA_HASH 0x64 /* One or more pages hashes to report */
#define REPLICA_READY 0x65 /* Read to receive page content */
#define REPLICA_MSG 0x66 /* Informational message */
/****************************************************************************
@ -503,19 +506,6 @@ int append_escaped_arg(sqlite3_str *pStr, const char *zIn, int isFilename){
** End of the append_escaped_arg() routine, adapted from the Fossil **
*****************************************************************************/
/* For Debugging, specifically for --commcheck:
**
** Read a single line of text from p->pIn. Write this to standard
** output if and only if p->eVerbose>0.
*/
static void echoOneLine(SQLiteRsync *p){
char zLine[1000];
if( fgets(zLine, sizeof(zLine), p->pIn) ){
if( p->eVerbose ) printf("GOT: %s", zLine);
}
}
/*
** Return the tail of a file pathname. The tail is the last component
** of the path. For example, the tail of "/a/b/c.d" is "c.d".
@ -625,7 +615,7 @@ void writeBytes(SQLiteRsync *p, int nByte, const void *pData){
/* Report an error.
**
** If this happens on the remote side, we send back a REMOTE_ERROR
** If this happens on the remote side, we send back a *_ERROR
** message. On the local side, the error message goes to stderr.
*/
static void reportError(SQLiteRsync *p, const char *zFormat, ...){
@ -637,7 +627,7 @@ static void reportError(SQLiteRsync *p, const char *zFormat, ...){
va_end(ap);
nMsg = zMsg ? (unsigned int)strlen(zMsg) : 0;
if( p->isRemote ){
if( p->zReplica ){
if( p->isReplica ){
putc(REPLICA_ERROR, p->pOut);
}else{
putc(ORIGIN_ERROR, p->pOut);
@ -652,12 +642,47 @@ static void reportError(SQLiteRsync *p, const char *zFormat, ...){
p->nErr++;
}
/* Send an informational message.
**
** If this happens on the remote side, we send back a *_MSG
** message. On the local side, the message goes to stdout.
*/
static void infoMsg(SQLiteRsync *p, const char *zFormat, ...){
va_list ap;
char *zMsg;
unsigned int nMsg;
va_start(ap, zFormat);
zMsg = sqlite3_vmprintf(zFormat, ap);
va_end(ap);
nMsg = zMsg ? (unsigned int)strlen(zMsg) : 0;
if( p->isRemote ){
if( p->isReplica ){
putc(REPLICA_MSG, p->pOut);
}else{
putc(ORIGIN_MSG, p->pOut);
}
writeUint32(p, nMsg);
writeBytes(p, nMsg, zMsg);
fflush(p->pOut);
}else{
printf("%s\n", zMsg);
}
sqlite3_free(zMsg);
}
/* Receive and report an error message coming from the other side.
*/
static void readAndDisplayError(SQLiteRsync *p){
static void readAndDisplayMessage(SQLiteRsync *p, int c){
unsigned int n = 0;
char *zMsg;
(void)readUint32(p, &n);
const char *zPrefix;
if( c==ORIGIN_ERROR || c==REPLICA_ERROR ){
zPrefix = "ERROR: ";
p->nErr++;
}else{
zPrefix = "";
}
readUint32(p, &n);
if( n==0 ){
fprintf(stderr,"ERROR: unknown (possibly out-of-memory)\n");
}else{
@ -668,10 +693,9 @@ static void readAndDisplayError(SQLiteRsync *p){
}
memset(zMsg, 0, n+1);
readBytes(p, n, zMsg);
fprintf(stderr,"ERROR: %s\n", zMsg);
fprintf(stderr,"%s%s\n", zPrefix, zMsg);
sqlite3_free(zMsg);
}
p->nErr++;
}
/* Construct a new prepared statement. Report an error and return NULL
@ -858,43 +882,41 @@ static void originSide(SQLiteRsync *p){
sqlite3_stmt *pCkHash = 0;
char buf[200];
p->isReplica = 0;
if( p->bCommCheck ){
fprintf(p->pOut, "sqlite3-rsync origin-begin %s\n", p->zOrigin);
infoMsg(p, "origin zOrigin=%Q zReplica=%Q isRemote=%d protocol=%d",
p->zOrigin, p->zReplica, p->isRemote, PROTOCOL_VERSION);
writeByte(p, ORIGIN_END);
fflush(p->pOut);
echoOneLine(p);
fprintf(p->pOut, "origin-end\n");
fflush(p->pOut);
echoOneLine(p);
return;
}
}else{
/* Open the ORIGIN database. */
rc = sqlite3_open_v2(p->zOrigin, &p->db, SQLITE_OPEN_READWRITE, 0);
if( rc ){
reportError(p, "unable to open origin database file \"%s\": %s",
sqlite3_errmsg(p->db));
closeDb(p);
return;
}
sqlite3_sha_init(p->db, 0, 0);
runSql(p, "BEGIN");
runSqlReturnText(p, buf, "PRAGMA journal_mode");
if( sqlite3_stricmp(buf,"wal")!=0 ){
reportError(p, "Origin database is not in WAL mode");
}
runSqlReturnUInt(p, &nPage, "PRAGMA page_count");
runSqlReturnUInt(p, &szPg, "PRAGMA page_size");
/* Open the ORIGIN database. */
rc = sqlite3_open_v2(p->zOrigin, &p->db, SQLITE_OPEN_READWRITE, 0);
if( rc ){
reportError(p, "unable to open origin database file \"%s\": %s",
sqlite3_errmsg(p->db));
closeDb(p);
return;
}
sqlite3_sha_init(p->db, 0, 0);
runSql(p, "BEGIN");
runSqlReturnText(p, buf, "PRAGMA journal_mode");
if( sqlite3_stricmp(buf,"wal")!=0 ){
reportError(p, "Origin database is not in WAL mode");
}
runSqlReturnUInt(p, &nPage, "PRAGMA page_count");
runSqlReturnUInt(p, &szPg, "PRAGMA page_size");
if( p->nErr==0 ){
/* Send the ORIGIN_BEGIN message */
writeByte(p, ORIGIN_BEGIN);
writeByte(p, PROTOCOL_VERSION);
writePow2(p, szPg);
writeUint32(p, nPage);
fflush(p->pOut);
p->nPage = nPage;
p->szPage = szPg;
p->iProtocol = PROTOCOL_VERSION;
if( p->nErr==0 ){
/* Send the ORIGIN_BEGIN message */
writeByte(p, ORIGIN_BEGIN);
writeByte(p, PROTOCOL_VERSION);
writePow2(p, szPg);
writeUint32(p, nPage);
fflush(p->pOut);
p->nPage = nPage;
p->szPage = szPg;
p->iProtocol = PROTOCOL_VERSION;
}
}
/* Respond to message from the replica */
@ -912,8 +934,9 @@ static void originSide(SQLiteRsync *p){
writeUint32(p, p->nPage);
break;
}
case REPLICA_MSG:
case REPLICA_ERROR: {
readAndDisplayError(p);
readAndDisplayMessage(p, c);
break;
}
case REPLICA_HASH: {
@ -1010,14 +1033,13 @@ static void replicaSide(SQLiteRsync *p){
sqlite3_stmt *pIns = 0;
unsigned int szOPage = 0;
char buf[65536];
p->isReplica = 1;
if( p->bCommCheck ){
echoOneLine(p);
fprintf(p->pOut, "replica-begin %s\n", p->zReplica);
infoMsg(p, "replica zOrigin=%Q zReplica=%Q isRemote=%d protocol=%d",
p->zOrigin, p->zReplica, p->isRemote, PROTOCOL_VERSION);
writeByte(p, REPLICA_END);
fflush(p->pOut);
echoOneLine(p);
fprintf(p->pOut, "replica-end\n");
fflush(p->pOut);
return;
}
/* Respond to message from the origin. The origin will initiate the
@ -1025,8 +1047,9 @@ static void replicaSide(SQLiteRsync *p){
*/
while( p->nErr==0 && (c = readByte(p))!=EOF && c!=ORIGIN_END ){
switch( c ){
case ORIGIN_MSG:
case ORIGIN_ERROR: {
readAndDisplayError(p);
readAndDisplayMessage(p, c);
break;
}
case ORIGIN_BEGIN: {