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Curl_done() and the protocol-specific conn->curl_done() functions now all

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take a CURLcode as a second argument, that is non-zero when Curl_done()
is called after an error was returned from Curl_do() (or similar).
This commit is contained in:
Daniel Stenberg 2004-05-12 12:06:39 +00:00
parent 1d7ce36791
commit d60c22572b
11 changed files with 54 additions and 25 deletions
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33
lib/ftp.c
View File

@ -738,13 +738,14 @@ CURLcode Curl_ftp_connect(struct connectdata *conn)
*
* Input argument is already checked for validity.
*/
CURLcode Curl_ftp_done(struct connectdata *conn)
CURLcode Curl_ftp_done(struct connectdata *conn, CURLcode status)
{
struct SessionHandle *data = conn->data;
struct FTP *ftp = conn->proto.ftp;
ssize_t nread;
int ftpcode;
CURLcode result=CURLE_OK;
bool was_ctl_valid = ftp->ctl_valid;
/* free the dir tree and file parts */
@ -784,8 +785,24 @@ CURLcode Curl_ftp_done(struct connectdata *conn)
result = CURLE_FTP_COULDNT_RETR_FILE;
}
}
ftp->ctl_valid = was_ctl_valid;
switch(status) {
case CURLE_BAD_DOWNLOAD_RESUME:
case CURLE_FTP_WEIRD_PASV_REPLY:
case CURLE_FTP_PORT_FAILED:
case CURLE_FTP_COULDNT_SET_BINARY:
case CURLE_FTP_COULDNT_RETR_FILE:
case CURLE_FTP_ACCESS_DENIED:
/* the connection stays alive fine even though this happened */
/* fall-through */
case CURLE_OK: /* doesn't affect the control connection's status */
ftp->ctl_valid = was_ctl_valid;
break;
default: /* by default, an error means the control connection is
wedged and should not be used anymore */
ftp->ctl_valid = FALSE;
break;
}
#ifdef HAVE_KRB4
Curl_sec_fflush_fd(conn, conn->sock[SECONDARYSOCKET]);
@ -794,12 +811,12 @@ CURLcode Curl_ftp_done(struct connectdata *conn)
sclose(conn->sock[SECONDARYSOCKET]);
conn->sock[SECONDARYSOCKET] = CURL_SOCKET_BAD;
if(!ftp->no_transfer) {
if(!ftp->no_transfer && !status) {
/* Let's see what the server says about the transfer we just performed,
but lower the timeout as sometimes this connection has died while
the data has been transfered. This happens when doing through NATs
etc that abandon old silent connections.
*/
* but lower the timeout as sometimes this connection has died while the
* data has been transfered. This happens when doing through NATs etc that
* abandon old silent connections.
*/
ftp->response_time = 60; /* give it only a minute for now */
result = Curl_GetFTPResponse(&nread, conn, &ftpcode);

2
lib/ftp.h
View File

@ -25,7 +25,7 @@
#ifndef CURL_DISABLE_FTP
CURLcode Curl_ftp(struct connectdata *conn);
CURLcode Curl_ftp_done(struct connectdata *conn);
CURLcode Curl_ftp_done(struct connectdata *conn, CURLcode);
CURLcode Curl_ftp_connect(struct connectdata *conn);
CURLcode Curl_ftp_disconnect(struct connectdata *conn);
CURLcode Curl_ftpsendf(struct connectdata *, const char *fmt, ...);

4
lib/http.c
View File

@ -1172,10 +1172,12 @@ CURLcode Curl_http_connect(struct connectdata *conn)
* has been performed.
*/
CURLcode Curl_http_done(struct connectdata *conn)
CURLcode Curl_http_done(struct connectdata *conn,
CURLcode status)
{
struct SessionHandle *data;
struct HTTP *http;
(void)status; /* no use for us */
data=conn->data;
http=conn->proto.http;

2
lib/http.h
View File

@ -35,7 +35,7 @@ CURLcode Curl_ConnectHTTPProxyTunnel(struct connectdata *conn,
/* protocol-specific functions set up to be called by the main engine */
CURLcode Curl_http(struct connectdata *conn);
CURLcode Curl_http_done(struct connectdata *conn);
CURLcode Curl_http_done(struct connectdata *, CURLcode);
CURLcode Curl_http_connect(struct connectdata *conn);
/* The following functions are defined in http_chunks.c */

8
lib/multi.c
View File

@ -329,7 +329,7 @@ CURLMcode curl_multi_perform(CURLM *multi_handle, int *running_handles)
char *gotourl;
Curl_posttransfer(easy->easy_handle);
easy->result = Curl_done(easy->easy_conn);
easy->result = Curl_done(easy->easy_conn, CURLE_OK);
if(CURLE_OK == easy->result) {
gotourl = strdup(easy->easy_handle->change.url);
easy->easy_handle->change.url_changed = FALSE;
@ -491,7 +491,7 @@ CURLMcode curl_multi_perform(CURLM *multi_handle, int *running_handles)
easy->easy_conn->sock[SECONDARYSOCKET]=-1;
}
Curl_posttransfer(easy->easy_handle);
Curl_done(easy->easy_conn);
Curl_done(easy->easy_conn, easy->result);
}
/* after the transfer is done, go DONE */
@ -504,7 +504,7 @@ CURLMcode curl_multi_perform(CURLM *multi_handle, int *running_handles)
if(easy->easy_conn->newurl) {
char *newurl = easy->easy_conn->newurl;
easy->easy_conn->newurl = NULL;
easy->result = Curl_done(easy->easy_conn);
easy->result = Curl_done(easy->easy_conn, CURLE_OK);
if(easy->result == CURLE_OK)
easy->result = Curl_follow(easy->easy_handle, newurl);
if(CURLE_OK == easy->result) {
@ -520,7 +520,7 @@ CURLMcode curl_multi_perform(CURLM *multi_handle, int *running_handles)
break;
case CURLM_STATE_DONE:
/* post-transfer command */
easy->result = Curl_done(easy->easy_conn);
easy->result = Curl_done(easy->easy_conn, CURLE_OK);
/* after we have DONE what we're supposed to do, go COMPLETED, and
it doesn't matter what the Curl_done() returned! */

4
lib/telnet.c
View File

@ -1063,9 +1063,11 @@ void telrcv(struct connectdata *conn,
}
}
CURLcode Curl_telnet_done(struct connectdata *conn)
CURLcode Curl_telnet_done(struct connectdata *conn, CURLcode status)
{
struct TELNET *tn = (struct TELNET *)conn->proto.telnet;
(void)status; /* unused */
curl_slist_free_all(tn->telnet_vars);
free(conn->proto.telnet);

2
lib/telnet.h
View File

@ -25,6 +25,6 @@
***************************************************************************/
#ifndef CURL_DISABLE_TELNET
CURLcode Curl_telnet(struct connectdata *conn);
CURLcode Curl_telnet_done(struct connectdata *conn);
CURLcode Curl_telnet_done(struct connectdata *conn, CURLcode);
#endif
#endif

8
lib/transfer.c
View File

@ -853,6 +853,8 @@ CURLcode Curl_readwrite(struct connectdata *conn,
*ptr = '\0'; /* zero terminate */
conn->newurl = strdup(start); /* clone string */
*ptr = backup; /* restore ending letter */
if(!conn->newurl)
return CURLE_OUT_OF_MEMORY;
}
}
#if 0 /* for consideration */
@ -1967,7 +1969,7 @@ CURLcode Curl_perform(struct SessionHandle *data)
to the new URL */
urlchanged = data->change.url_changed;
if ((CURLE_OK == res) && urlchanged) {
res = Curl_done(conn);
res = Curl_done(conn, res);
if(CURLE_OK == res) {
char *gotourl = strdup(data->change.url);
res = Curl_follow(data, gotourl);
@ -2024,14 +2026,14 @@ CURLcode Curl_perform(struct SessionHandle *data)
/* Always run Curl_done(), even if some of the previous calls
failed, but return the previous (original) error code */
res2 = Curl_done(conn);
res2 = Curl_done(conn, res);
if(CURLE_OK == res)
res = res2;
}
else
/* Curl_do() failed, clean up left-overs in the done-call */
res2 = Curl_done(conn);
res2 = Curl_done(conn, res);
/*
* Important: 'conn' cannot be used here, since it may have been closed

12
lib/url.c
View File

@ -3229,6 +3229,8 @@ static CURLcode SetupConnection(struct connectdata *conn,
Curl_safefree(conn->allocptr.uagent);
conn->allocptr.uagent =
aprintf("User-Agent: %s\015\012", data->set.useragent);
if(!conn->allocptr.uagent)
return CURLE_OUT_OF_MEMORY;
}
}
@ -3236,6 +3238,8 @@ static CURLcode SetupConnection(struct connectdata *conn,
Curl_safefree(conn->allocptr.accept_encoding);
conn->allocptr.accept_encoding =
aprintf("Accept-Encoding: %s\015\012", data->set.encoding);
if(!conn->allocptr.accept_encoding)
return CURLE_OUT_OF_MEMORY;
}
conn->bytecount = 0;
@ -3340,7 +3344,9 @@ CURLcode Curl_async_resolved(struct connectdata *conn)
}
CURLcode Curl_done(struct connectdata *conn)
CURLcode Curl_done(struct connectdata *conn,
CURLcode status) /* an error if this is called after an
error was detected */
{
struct SessionHandle *data=conn->data;
CURLcode result;
@ -3371,7 +3377,7 @@ CURLcode Curl_done(struct connectdata *conn)
/* this calls the protocol-specific function pointer previously set */
if(conn->curl_done)
result = conn->curl_done(conn);
result = conn->curl_done(conn, status);
else
result = CURLE_OK;
@ -3423,7 +3429,7 @@ CURLcode Curl_do(struct connectdata **connp)
infof(data, "Re-used connection seems dead, get a new one\n");
conn->bits.close = TRUE; /* enforce close of this connection */
result = Curl_done(conn); /* we are so done with this */
result = Curl_done(conn, result); /* we are so done with this */
/* conn is no longer a good pointer */

2
lib/url.h
View File

@ -35,7 +35,7 @@ CURLcode Curl_connect(struct SessionHandle *, struct connectdata **,
CURLcode Curl_async_resolved(struct connectdata *conn);
CURLcode Curl_do(struct connectdata **);
CURLcode Curl_do_more(struct connectdata *);
CURLcode Curl_done(struct connectdata *);
CURLcode Curl_done(struct connectdata *, CURLcode);
CURLcode Curl_disconnect(struct connectdata *);
CURLcode Curl_protocol_connect(struct connectdata *conn);
bool Curl_ssl_config_matches(struct ssl_config_data* data,

2
lib/urldata.h
View File

@ -482,7 +482,7 @@ struct connectdata {
/* These two functions MUST be set by the curl_connect() function to be
be protocol dependent */
CURLcode (*curl_do)(struct connectdata *);
CURLcode (*curl_done)(struct connectdata *);
CURLcode (*curl_done)(struct connectdata *, CURLcode);
/* If the curl_do() function is better made in two halves, this
* curl_do_more() function will be called afterwards, if set. For example