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authorDaniel Stenberg <daniel@haxx.se>2013-02-15 11:03:42 +0100
committerDaniel Stenberg <daniel@haxx.se>2013-02-15 11:10:18 +0100
commitc25383ae1329199107943211e543612d288eb1ae (patch)
tree2331b0da5e51f749924dd205702109ebc974e9a6
parent6106eeba16f45a6a2fccdfac2b9b64dcf12f2a20 (diff)
rename "easy" statemachines: call them block instead
... since they're not used by the easy interface really, I wanted to remove the association. Also, I unified the pingpong statemachine driver into a single function with a 'wait' argument: Curl_pp_statemach.
-rw-r--r--lib/ftp.c8
-rw-r--r--lib/imap.c8
-rw-r--r--lib/pingpong.c74
-rw-r--r--lib/pingpong.h17
-rw-r--r--lib/pop3.c8
-rw-r--r--lib/smtp.c10
-rw-r--r--lib/ssh.c8
7 files changed, 48 insertions, 85 deletions
diff --git a/lib/ftp.c b/lib/ftp.c
index 228d834a2..dc9fc4816 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -3124,7 +3124,7 @@ static CURLcode ftp_multi_statemach(struct connectdata *conn,
bool *done)
{
struct ftp_conn *ftpc = &conn->proto.ftpc;
- CURLcode result = Curl_pp_multi_statemach(&ftpc->pp);
+ CURLcode result = Curl_pp_statemach(&ftpc->pp, FALSE);
/* Check for the state outside of the Curl_socket_ready() return code checks
since at times we are in fact already in this state when this function
@@ -3134,14 +3134,14 @@ static CURLcode ftp_multi_statemach(struct connectdata *conn,
return result;
}
-static CURLcode ftp_easy_statemach(struct connectdata *conn)
+static CURLcode ftp_block_statemach(struct connectdata *conn)
{
struct ftp_conn *ftpc = &conn->proto.ftpc;
struct pingpong *pp = &ftpc->pp;
CURLcode result = CURLE_OK;
while(ftpc->state != FTP_STOP) {
- result = Curl_pp_easy_statemach(pp);
+ result = Curl_pp_statemach(pp, TRUE);
if(result)
break;
}
@@ -4193,7 +4193,7 @@ static CURLcode ftp_quit(struct connectdata *conn)
state(conn, FTP_QUIT);
- result = ftp_easy_statemach(conn);
+ result = ftp_block_statemach(conn);
}
return result;
diff --git a/lib/imap.c b/lib/imap.c
index 77d6e1b8c..8607d0011 100644
--- a/lib/imap.c
+++ b/lib/imap.c
@@ -1340,21 +1340,21 @@ static CURLcode imap_multi_statemach(struct connectdata *conn, bool *done)
if((conn->handler->flags & PROTOPT_SSL) && !imapc->ssldone)
result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &imapc->ssldone);
else
- result = Curl_pp_multi_statemach(&imapc->pp);
+ result = Curl_pp_statemach(&imapc->pp, FALSE);
*done = (imapc->state == IMAP_STOP) ? TRUE : FALSE;
return result;
}
-static CURLcode imap_easy_statemach(struct connectdata *conn)
+static CURLcode imap_block_statemach(struct connectdata *conn)
{
struct imap_conn *imapc = &conn->proto.imapc;
struct pingpong *pp = &imapc->pp;
CURLcode result = CURLE_OK;
while(imapc->state != IMAP_STOP) {
- result = Curl_pp_easy_statemach(pp);
+ result = Curl_pp_statemach(pp, TRUE);
if(result)
break;
}
@@ -1575,7 +1575,7 @@ static CURLcode imap_logout(struct connectdata *conn)
state(conn, IMAP_LOGOUT);
- result = imap_easy_statemach(conn);
+ result = imap_block_statemach(conn);
return result;
}
diff --git a/lib/pingpong.c b/lib/pingpong.c
index 330b47f76..eeeeec339 100644
--- a/lib/pingpong.c
+++ b/lib/pingpong.c
@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -76,48 +76,10 @@ long Curl_pp_state_timeout(struct pingpong *pp)
return timeout_ms;
}
-
/*
- * Curl_pp_multi_statemach()
- *
- * called repeatedly until done when the multi interface is used.
+ * Curl_pp_statemach()
*/
-CURLcode Curl_pp_multi_statemach(struct pingpong *pp)
-{
- struct connectdata *conn = pp->conn;
- curl_socket_t sock = conn->sock[FIRSTSOCKET];
- int rc;
- struct SessionHandle *data=conn->data;
- CURLcode result = CURLE_OK;
- long timeout_ms = Curl_pp_state_timeout(pp);
-
- if(timeout_ms <= 0) {
- failf(data, "server response timeout");
- return CURLE_OPERATION_TIMEDOUT;
- }
-
- rc = Curl_socket_ready(pp->sendleft?CURL_SOCKET_BAD:sock, /* reading */
- pp->sendleft?sock:CURL_SOCKET_BAD, /* writing */
- 0);
-
- if(rc == -1) {
- failf(data, "select/poll error");
- return CURLE_OUT_OF_MEMORY;
- }
- else if(rc != 0)
- result = pp->statemach_act(conn);
-
- /* if rc == 0, then select() timed out */
-
- return result;
-}
-
-/*
- * Curl_pp_easy_statemach()
- *
- * called repeatedly until done when the easy interface is used.
- */
-CURLcode Curl_pp_easy_statemach(struct pingpong *pp)
+CURLcode Curl_pp_statemach(struct pingpong *pp, bool wait)
{
struct connectdata *conn = pp->conn;
curl_socket_t sock = conn->sock[FIRSTSOCKET];
@@ -125,29 +87,37 @@ CURLcode Curl_pp_easy_statemach(struct pingpong *pp)
long interval_ms;
long timeout_ms = Curl_pp_state_timeout(pp);
struct SessionHandle *data=conn->data;
- CURLcode result;
+ CURLcode result = CURLE_OK;
if(timeout_ms <=0 ) {
failf(data, "server response timeout");
return CURLE_OPERATION_TIMEDOUT; /* already too little time */
}
- interval_ms = 1000; /* use 1 second timeout intervals */
- if(timeout_ms < interval_ms)
- interval_ms = timeout_ms;
+ if(wait) {
+ interval_ms = 1000; /* use 1 second timeout intervals */
+ if(timeout_ms < interval_ms)
+ interval_ms = timeout_ms;
+ }
+ else
+ interval_ms = 0; /* immediate */
rc = Curl_socket_ready(pp->sendleft?CURL_SOCKET_BAD:sock, /* reading */
pp->sendleft?sock:CURL_SOCKET_BAD, /* writing */
interval_ms);
- if(Curl_pgrsUpdate(conn))
- result = CURLE_ABORTED_BY_CALLBACK;
- else
- result = Curl_speedcheck(data, Curl_tvnow());
+ if(wait) {
+ /* if we didn't wait, we don't have to spend time on this now */
+ if(Curl_pgrsUpdate(conn))
+ result = CURLE_ABORTED_BY_CALLBACK;
+ else
+ result = Curl_speedcheck(data, Curl_tvnow());
- if(result)
- ;
- else if(rc == -1) {
+ if(result)
+ return result;
+ }
+
+ if(rc == -1) {
failf(data, "select/poll error");
result = CURLE_OUT_OF_MEMORY;
}
diff --git a/lib/pingpong.h b/lib/pingpong.h
index b8ed91ca4..81d0c32a3 100644
--- a/lib/pingpong.h
+++ b/lib/pingpong.h
@@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -69,19 +69,12 @@ struct pingpong {
};
/*
- * Curl_pp_multi_statemach()
+ * Curl_pp_statemach()
*
- * called repeatedly until done when the multi interface is used.
+ * called repeatedly until done. Set 'wait' to make it wait a while on the
+ * socket if there's no traffic.
*/
-CURLcode Curl_pp_multi_statemach(struct pingpong *pp);
-
-/*
- * Curl_pp_easy_statemach()
- *
- * called repeatedly until done when the easy interface is used.
- */
-CURLcode Curl_pp_easy_statemach(struct pingpong *pp);
-
+CURLcode Curl_pp_statemach(struct pingpong *pp, bool wait);
/* initialize stuff to prepare for reading a fresh new response */
void Curl_pp_init(struct pingpong *pp);
diff --git a/lib/pop3.c b/lib/pop3.c
index ffbb5156f..b94f6f7e4 100644
--- a/lib/pop3.c
+++ b/lib/pop3.c
@@ -1263,21 +1263,21 @@ static CURLcode pop3_multi_statemach(struct connectdata *conn, bool *done)
if((conn->handler->flags & PROTOPT_SSL) && !pop3c->ssldone)
result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &pop3c->ssldone);
else
- result = Curl_pp_multi_statemach(&pop3c->pp);
+ result = Curl_pp_statemach(&pop3c->pp, FALSE);
*done = (pop3c->state == POP3_STOP) ? TRUE : FALSE;
return result;
}
-static CURLcode pop3_easy_statemach(struct connectdata *conn)
+static CURLcode pop3_block_statemach(struct connectdata *conn)
{
struct pop3_conn *pop3c = &conn->proto.pop3c;
struct pingpong *pp = &pop3c->pp;
CURLcode result = CURLE_OK;
while(pop3c->state != POP3_STOP) {
- result = Curl_pp_easy_statemach(pp);
+ result = Curl_pp_statemach(pp, TRUE);
if(result)
break;
}
@@ -1506,7 +1506,7 @@ static CURLcode pop3_quit(struct connectdata *conn)
state(conn, POP3_QUIT);
- result = pop3_easy_statemach(conn);
+ result = pop3_block_statemach(conn);
return result;
}
diff --git a/lib/smtp.c b/lib/smtp.c
index fc080ee9b..efb365930 100644
--- a/lib/smtp.c
+++ b/lib/smtp.c
@@ -1254,21 +1254,21 @@ static CURLcode smtp_multi_statemach(struct connectdata *conn, bool *done)
if((conn->handler->flags & PROTOPT_SSL) && !smtpc->ssldone)
result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &smtpc->ssldone);
else
- result = Curl_pp_multi_statemach(&smtpc->pp);
+ result = Curl_pp_statemach(&smtpc->pp, FALSE);
*done = (smtpc->state == SMTP_STOP) ? TRUE : FALSE;
return result;
}
-static CURLcode smtp_easy_statemach(struct connectdata *conn)
+static CURLcode smtp_block_statemach(struct connectdata *conn)
{
struct smtp_conn *smtpc = &conn->proto.smtpc;
struct pingpong *pp = &smtpc->pp;
CURLcode result = CURLE_OK;
while(smtpc->state != SMTP_STOP) {
- result = Curl_pp_easy_statemach(pp);
+ result = Curl_pp_statemach(pp, TRUE);
if(result)
break;
}
@@ -1437,7 +1437,7 @@ static CURLcode smtp_done(struct connectdata *conn, CURLcode status,
non-blocking DONE operations, not in the multi state machine and with
Curl_done() invokes on several places in the code!
*/
- result = smtp_easy_statemach(conn);
+ result = smtp_block_statemach(conn);
}
/* Clear the transfer mode for the next connection */
@@ -1534,7 +1534,7 @@ static CURLcode smtp_quit(struct connectdata *conn)
state(conn, SMTP_QUIT);
- result = smtp_easy_statemach(conn);
+ result = smtp_block_statemach(conn);
return result;
}
diff --git a/lib/ssh.c b/lib/ssh.c
index 0c7d36ecc..9b37ad69e 100644
--- a/lib/ssh.c
+++ b/lib/ssh.c
@@ -2635,7 +2635,7 @@ static CURLcode ssh_multi_statemach(struct connectdata *conn, bool *done)
return result;
}
-static CURLcode ssh_easy_statemach(struct connectdata *conn,
+static CURLcode ssh_block_statemach(struct connectdata *conn,
bool duringconnect)
{
struct ssh_conn *sshc = &conn->proto.sshc;
@@ -2902,7 +2902,7 @@ static CURLcode scp_disconnect(struct connectdata *conn, bool dead_connection)
state(conn, SSH_SESSION_DISCONNECT);
- result = ssh_easy_statemach(conn, FALSE);
+ result = ssh_block_statemach(conn, FALSE);
}
return result;
@@ -2923,7 +2923,7 @@ static CURLcode ssh_done(struct connectdata *conn, CURLcode status)
non-blocking DONE operations, not in the multi state machine and with
Curl_done() invokes on several places in the code!
*/
- result = ssh_easy_statemach(conn, FALSE);
+ result = ssh_block_statemach(conn, FALSE);
}
else
result = status;
@@ -3065,7 +3065,7 @@ static CURLcode sftp_disconnect(struct connectdata *conn, bool dead_connection)
if(conn->proto.sshc.ssh_session) {
/* only if there's a session still around to use! */
state(conn, SSH_SFTP_SHUTDOWN);
- result = ssh_easy_statemach(conn, FALSE);
+ result = ssh_block_statemach(conn, FALSE);
}
DEBUGF(infof(conn->data, "SSH DISCONNECT is done\n"));