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Introduce macros for protocol characters.

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This commit introduces descriptively-named macros for the
identifiers used in wire protocol messages.  These new macros are
placed in a new header file so that they can be easily used by
third-party code.

Author: Dave Cramer
Reviewed-by: Alvaro Herrera, Tatsuo Ishii, Peter Smith, Robert Haas, Tom Lane, Peter Eisentraut, Michael Paquier
Discussion: https://postgr.es/m/CADK3HHKbBmK-PKf1bPNFoMC%2BoBt%2BpD9PH8h5nvmBQskEHm-Ehw%40mail.gmail.com
This commit is contained in:
Nathan Bossart
2023-08-22 19:16:12 -07:00
parent 7114791158
commit f4b54e1ed9
25 changed files with 305 additions and 204 deletions
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16
src/backend/backup/basebackup_copy.c
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@@ -152,7 +152,7 @@ bbsink_copystream_begin_backup(bbsink *sink)
SendTablespaceList(state->tablespaces);
/* Send a CommandComplete message */
pq_puttextmessage('C', "SELECT");
pq_puttextmessage(PqMsg_CommandComplete, "SELECT");
/* Begin COPY stream. This will be used for all archives + manifest. */
SendCopyOutResponse();
@@ -169,7 +169,7 @@ bbsink_copystream_begin_archive(bbsink *sink, const char *archive_name)
StringInfoData buf;
ti = list_nth(state->tablespaces, state->tablespace_num);
pq_beginmessage(&buf, 'd'); /* CopyData */
pq_beginmessage(&buf, PqMsg_CopyData);
pq_sendbyte(&buf, 'n'); /* New archive */
pq_sendstring(&buf, archive_name);
pq_sendstring(&buf, ti->path == NULL ? "" : ti->path);
@@ -220,7 +220,7 @@ bbsink_copystream_archive_contents(bbsink *sink, size_t len)
{
mysink->last_progress_report_time = now;
pq_beginmessage(&buf, 'd'); /* CopyData */
pq_beginmessage(&buf, PqMsg_CopyData);
pq_sendbyte(&buf, 'p'); /* Progress report */
pq_sendint64(&buf, state->bytes_done);
pq_endmessage(&buf);
@@ -246,7 +246,7 @@ bbsink_copystream_end_archive(bbsink *sink)
mysink->bytes_done_at_last_time_check = state->bytes_done;
mysink->last_progress_report_time = GetCurrentTimestamp();
pq_beginmessage(&buf, 'd'); /* CopyData */
pq_beginmessage(&buf, PqMsg_CopyData);
pq_sendbyte(&buf, 'p'); /* Progress report */
pq_sendint64(&buf, state->bytes_done);
pq_endmessage(&buf);
@@ -261,7 +261,7 @@ bbsink_copystream_begin_manifest(bbsink *sink)
{
StringInfoData buf;
pq_beginmessage(&buf, 'd'); /* CopyData */
pq_beginmessage(&buf, PqMsg_CopyData);
pq_sendbyte(&buf, 'm'); /* Manifest */
pq_endmessage(&buf);
}
@@ -318,7 +318,7 @@ SendCopyOutResponse(void)
{
StringInfoData buf;
pq_beginmessage(&buf, 'H');
pq_beginmessage(&buf, PqMsg_CopyOutResponse);
pq_sendbyte(&buf, 0); /* overall format */
pq_sendint16(&buf, 0); /* natts */
pq_endmessage(&buf);
@@ -330,7 +330,7 @@ SendCopyOutResponse(void)
static void
SendCopyDone(void)
{
pq_putemptymessage('c');
pq_putemptymessage(PqMsg_CopyDone);
}
/*
@@ -368,7 +368,7 @@ SendXlogRecPtrResult(XLogRecPtr ptr, TimeLineID tli)
end_tup_output(tstate);
/* Send a CommandComplete message */
pq_puttextmessage('C', "SELECT");
pq_puttextmessage(PqMsg_CommandComplete, "SELECT");
}
/*