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Second round of FE/BE protocol changes. Frontend->backend messages now

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have length counts, and COPY IN data is packetized into messages.
This commit is contained in:
Tom Lane
2003-04-19 00:02:30 +00:00
parent 54b38d293e
commit bd8d441775
24 changed files with 1337 additions and 982 deletions
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26
src/backend/postmaster/postmaster.c
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@@ -37,7 +37,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.312 2003/04/18 01:03:42 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.313 2003/04/19 00:02:29 tgl Exp $
*
* NOTES
*
@@ -1118,7 +1118,7 @@ ProcessStartupPacket(Port *port, bool SSLdone)
if (pq_getbytes((char *) &len, 4) == EOF)
{
elog(LOG, "incomplete startup packet");
elog(COMMERROR, "incomplete startup packet");
return STATUS_ERROR;
}
@@ -1142,7 +1142,7 @@ ProcessStartupPacket(Port *port, bool SSLdone)
if (pq_getbytes(buf, len) == EOF)
{
elog(LOG, "incomplete startup packet");
elog(COMMERROR, "incomplete startup packet");
return STATUS_ERROR;
}
@@ -1189,6 +1189,16 @@ ProcessStartupPacket(Port *port, bool SSLdone)
/* Could add additional special packet types here */
/*
* XXX temporary for 3.0 protocol development: we are using the minor
* number as a test-version number. Insist it match exactly so people
* don't get burnt by using yesterday's libpq with today's server.
* XXX this must go away before release!!!
*/
if (PG_PROTOCOL_MAJOR(proto) == 3 &&
PG_PROTOCOL_MINOR(proto) != PG_PROTOCOL_MINOR(PG_PROTOCOL_LATEST))
elog(FATAL, "Your development libpq is out of sync with the server");
/* Check we can handle the protocol the frontend is using. */
if (PG_PROTOCOL_MAJOR(proto) < PG_PROTOCOL_MAJOR(PG_PROTOCOL_EARLIEST) ||
@@ -1201,16 +1211,6 @@ ProcessStartupPacket(Port *port, bool SSLdone)
PG_PROTOCOL_MAJOR(PG_PROTOCOL_LATEST),
PG_PROTOCOL_MINOR(PG_PROTOCOL_LATEST));
/*
* XXX temporary for 3.0 protocol development: we are using the minor
* number as a test-version number. Insist it match exactly so people
* don't get burnt by using yesterday's libpq with today's server.
* XXX this must go away before release!!!
*/
if (PG_PROTOCOL_MAJOR(proto) == 3 &&
PG_PROTOCOL_MINOR(proto) != PG_PROTOCOL_MINOR(PG_PROTOCOL_LATEST))
elog(FATAL, "Your development libpq is out of sync with the server");
/*
* Now fetch parameters out of startup packet and save them into the
* Port structure. All data structures attached to the Port struct