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Modified to use non-blocking sockets all the time.

This commit is contained in:
Daniel Stenberg 2002-01-07 18:38:01 +00:00
parent f9192db358
commit d3299beec7
2 changed files with 75 additions and 7 deletions
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8
lib/connect.c
View File

@ -448,8 +448,7 @@ CURLcode Curl_connecthost(struct connectdata *conn, /* context */
return CURLE_COULDNT_CONNECT;
}
/* now disable the non-blocking mode again */
Curl_nonblock(sockfd, FALSE);
/* leave the socket in non-blocking mode */
if(addr)
*addr = ai; /* the address we ended up connected to */
@ -554,9 +553,8 @@ CURLcode Curl_connecthost(struct connectdata *conn, /* context */
failf(data, "Couldn't connect to host");
return CURLE_COULDNT_CONNECT;
}
/* now disable the non-blocking mode again */
Curl_nonblock(sockfd, FALSE);
/* leave the socket in non-blocking mode */
if(addr)
/* this is the address we've connected to */

74
lib/ssluse.c
View File

@ -736,8 +736,78 @@ Curl_SSLConnect(struct connectdata *conn)
}
/* pass the raw socket into the SSL layers */
SSL_set_fd (conn->ssl.handle, conn->firstsocket);
err = SSL_connect (conn->ssl.handle);
SSL_set_fd(conn->ssl.handle, conn->firstsocket);
do {
int what;
fd_set writefd;
fd_set readfd;
struct timeval interval;
long timeout_ms;
err = SSL_connect(conn->ssl.handle);
what = SSL_get_error(conn->ssl.handle, err);
FD_ZERO(&writefd);
FD_ZERO(&readfd);
if(SSL_ERROR_WANT_READ == what)
FD_SET(conn->firstsocket, &readfd);
else if(SSL_ERROR_WANT_WRITE == what)
FD_SET(conn->firstsocket, &writefd);
else
break; /* untreated error */
/* Find out if any timeout is set. If not, use 300 seconds.
Otherwise, figure out the most strict timeout of the two possible one
and then how much time that has elapsed to know how much time we
allow for the connect call */
if(data->set.timeout || data->set.connecttimeout) {
double has_passed;
/* Evaluate in milliseconds how much time that has passed */
has_passed = Curl_tvdiff(Curl_tvnow(), data->progress.start);
#ifndef min
#define min(a, b) ((a) < (b) ? (a) : (b))
#endif
/* get the most strict timeout of the ones converted to milliseconds */
if(data->set.timeout &&
(data->set.timeout>data->set.connecttimeout))
timeout_ms = data->set.timeout*1000;
else
timeout_ms = data->set.connecttimeout*1000;
/* subtract the passed time */
timeout_ms -= (long)has_passed;
if(timeout_ms < 0)
/* a precaution, no need to continue if time already is up */
return CURLE_OPERATION_TIMEOUTED;
}
else
/* no particular time-out has been set */
timeout_ms=300000; /* milliseconds, default to five minutes */
interval.tv_sec = timeout_ms/1000;
timeout_ms -= interval.tv_sec*1000;
interval.tv_usec = timeout_ms*1000;
what = select(conn->firstsocket+1, &readfd, &writefd, NULL, &interval);
if(what > 0)
/* reabable or writable, go loop yourself */
continue;
else if(0 == what) {
/* timeout */
failf(data, "SSL connection timeout");
return CURLE_OPERATION_TIMEOUTED;
}
else
break; /* get out of loop */
} while(1);
/* 1 is fine
0 is "not successful but was shut down controlled"