commit a85013d6ff205871d89dac6483ed96da4957b5f0
parent a266f28f1c35e555b570879b1655eb470e0d33b5
Author: Oswald Buddenhagen <ossi@users.sf.net>
Date: Sun, 27 Mar 2011 16:58:23 +0200
make IMAP pipeline depth configurable
currently, this affects only "clustered" message listings and
flag stores.
Diffstat:
2 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/src/drv_imap.c b/src/drv_imap.c
@@ -40,6 +40,7 @@ typedef struct imap_server_conf {
server_conf_t sconf;
char *user;
char *pass;
+ int max_in_progress;
#ifdef HAVE_LIBSSL
unsigned require_ssl:1;
unsigned require_cram:1;
@@ -67,7 +68,6 @@ typedef struct _list {
} list_t;
struct imap_cmd;
-#define max_in_progress 50 /* make this configurable? */
typedef struct imap_store {
store_t gen;
@@ -396,7 +396,7 @@ drain_imap_replies( imap_store_t *ctx )
static int
process_imap_replies( imap_store_t *ctx )
{
- while (ctx->num_in_progress > max_in_progress ||
+ while (ctx->num_in_progress > ((imap_store_conf_t *)ctx->gen.conf)->server->max_in_progress ||
socket_pending( &ctx->conn ))
if (get_cmd_result( ctx, 0 ) == RESP_CANCEL)
return RESP_CANCEL;
@@ -1724,6 +1724,7 @@ imap_parse_store( conffile_t *cfg, store_conf_t **storep, int *err )
server->require_ssl = 1;
server->sconf.use_tlsv1 = 1;
#endif
+ server->max_in_progress = 50;
while (getcline( cfg ) && cfg->cmd) {
if (!strcasecmp( "Host", cfg->cmd )) {
@@ -1750,6 +1751,12 @@ imap_parse_store( conffile_t *cfg, store_conf_t **storep, int *err )
server->pass = nfstrdup( cfg->val );
else if (!strcasecmp( "Port", cfg->cmd ))
server->sconf.port = parse_int( cfg );
+ else if (!strcasecmp( "PipelineDepth", cfg->cmd )) {
+ if ((server->max_in_progress = parse_int( cfg )) < 1) {
+ error( "%s:%d: PipelineDepth must be at least 1\n", cfg->file, cfg->line );
+ *err = 1;
+ }
+ }
#ifdef HAVE_LIBSSL
else if (!strcasecmp( "CertificateFile", cfg->cmd )) {
server->sconf.cert_file = expand_strdup( cfg->val );
diff --git a/src/mbsync.1 b/src/mbsync.1
@@ -277,6 +277,15 @@ Use SSLv3 for communication with the IMAP server over SSL?
Use TLSv1 for communication with the IMAP server over SSL?
(Default: \fIyes\fR)
..
+.TP
+\fBPipelineDepth\fR \fIdepth\fR
+Maximum number of IMAP commands which can be simultaneously in flight.
+Setting this to \fI1\fR disables pipelining.
+Setting it to a too big value may deadlock isync.
+Currently, this affects only a few commands.
+This is mostly a debugging only option.
+(Default: \fI50\fR)
+..
.SS IMAP Stores
The reference point for relative \fBPath\fRs is whatever the server likes it
to be; probably the user's $HOME or $HOME/Mail on that server. The location