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ip_version: moved to connection struct

Browse Source 
The IP version choice was previously only in the UserDefined struct
within the SessionHandle, but since we sometimes alter that option
during a request we need to have it on a per-connection basis.

I also moved more "init conn" code into the allocate_conn() function
which is designed for that purpose more or less.
This commit is contained in:
Daniel Stenberg 2010-11-11 14:51:39 +01:00
parent fec5f03e22
commit a1f32ffee5
9 changed files with 89 additions and 80 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lib/connect.c
View File

@ -310,20 +310,20 @@ static CURLcode bindlocal(struct connectdata *conn,
* of the connection. The resolve functions should really be changed
* to take a type parameter instead.
*/
long ipver = data->set.ip_version;
long ipver = conn->ip_version;
int rc;
if (af == AF_INET)
data->set.ip_version = CURL_IPRESOLVE_V4;
conn->ip_version = CURL_IPRESOLVE_V4;
#ifdef ENABLE_IPV6
else if (af == AF_INET6)
data->set.ip_version = CURL_IPRESOLVE_V6;
conn->ip_version = CURL_IPRESOLVE_V6;
#endif
rc = Curl_resolv(conn, dev, 0, &h);
if(rc == CURLRESOLV_PENDING)
(void)Curl_wait_for_resolv(conn, &h);
data->set.ip_version = ipver;
conn->ip_version = ipver;
if(h) {
/* convert the resolved address, sizeof myhost >= INET_ADDRSTRLEN */

2
lib/hostares.c
View File

@ -378,7 +378,7 @@ Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
return Curl_ip2addr(AF_INET6, &in6, hostname, port);
}
switch(data->set.ip_version) {
switch(conn->ip_version) {
default:
#if ARES_VERSION >= 0x010601
family = PF_UNSPEC; /* supported by c-ares since 1.6.1, so for older

2
lib/hostip.c
View File

@ -444,7 +444,7 @@ int Curl_resolv(struct connectdata *conn,
/* Check what IP specifics the app has requested and if we can provide it.
* If not, bail out. */
if(!Curl_ipvalid(data))
if(!Curl_ipvalid(conn))
return CURLRESOLV_ERROR;
/* If Curl_getaddrinfo() returns NULL, 'respwait' might be set to a

2
lib/hostip.h
View File

@ -111,7 +111,7 @@ int Curl_resolv_timeout(struct connectdata *conn, const char *hostname,
* Curl_ipvalid() checks what CURL_IPRESOLVE_* requirements that might've
* been set and returns TRUE if they are OK.
*/
bool Curl_ipvalid(struct SessionHandle *data);
bool Curl_ipvalid(struct connectdata *conn);
/*
* Curl_getaddrinfo() is the generic low-level name resolve API within this

4
lib/hostip4.c
View File

@ -77,9 +77,9 @@
* Curl_ipvalid() checks what CURL_IPRESOLVE_* requirements that might've
* been set and returns TRUE if they are OK.
*/
bool Curl_ipvalid(struct SessionHandle *data)
bool Curl_ipvalid(struct connectdata *conn)
{
if(data->set.ip_version == CURL_IPRESOLVE_V6)
if(conn->ip_version == CURL_IPRESOLVE_V6)
/* an ipv6 address was requested and we can't get/use one */
return FALSE;

6
lib/hostip6.c
View File

@ -112,9 +112,9 @@ int curl_dogetnameinfo(GETNAMEINFO_QUAL_ARG1 GETNAMEINFO_TYPE_ARG1 sa,
* Curl_ipvalid() checks what CURL_IPRESOLVE_* requirements that might've
* been set and returns TRUE if they are OK.
*/
bool Curl_ipvalid(struct SessionHandle *data)
bool Curl_ipvalid(struct connectdata *conn)
{
if(data->set.ip_version == CURL_IPRESOLVE_V6) {
if(conn->ip_version == CURL_IPRESOLVE_V6) {
/* see if we have an IPv6 stack */
curl_socket_t s = socket(PF_INET6, SOCK_DGRAM, 0);
if(s == CURL_SOCKET_BAD)
@ -174,7 +174,7 @@ Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
/*
* Check if a limited name resolve has been requested.
*/
switch(data->set.ip_version) {
switch(conn->ip_version) {
case CURL_IPRESOLVE_V4:
pf = PF_INET;
break;

2
lib/hostthre.c
View File

@ -518,7 +518,7 @@ Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
/*
* Check if a limited name resolve has been requested.
*/
switch(data->set.ip_version) {
switch(conn->ip_version) {
case CURL_IPRESOLVE_V4:
pf = PF_INET;
break;

137
lib/url.c
View File

@ -2196,7 +2196,7 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
break;
case CURLOPT_IPRESOLVE:
data->set.ip_version = va_arg(param, long);
data->set.ipver = va_arg(param, long);
break;
case CURLOPT_MAXFILESIZE_LARGE:
@ -3455,14 +3455,19 @@ static void fix_hostname(struct SessionHandle *data,
#endif
}
static void llist_dtor(void *user, void *element)
{
(void)user;
(void)element;
/* Do nothing */
}
/*
* Allocate and initialize a new connectdata object.
*/
static struct connectdata *allocate_conn(void)
static struct connectdata *allocate_conn(struct SessionHandle *data)
{
struct connectdata *conn;
conn = calloc(1, sizeof(struct connectdata));
struct connectdata *conn = calloc(1, sizeof(struct connectdata));
if(!conn)
return NULL;
@ -3485,7 +3490,66 @@ static struct connectdata *allocate_conn(void)
/* Store creation time to help future close decision making */
conn->created = Curl_tvnow();
conn->data = data; /* Setup the association between this connection
and the SessionHandle */
conn->proxytype = data->set.proxytype; /* type */
#ifdef CURL_DISABLE_PROXY
conn->bits.proxy = FALSE;
conn->bits.httpproxy = FALSE;
conn->bits.proxy_user_passwd = FALSE;
conn->bits.tunnel_proxy = FALSE;
#else /* CURL_DISABLE_PROXY */
conn->bits.proxy = (bool)(data->set.str[STRING_PROXY] &&
*data->set.str[STRING_PROXY]);
conn->bits.httpproxy = (bool)(conn->bits.proxy &&
(conn->proxytype == CURLPROXY_HTTP ||
conn->proxytype == CURLPROXY_HTTP_1_0));
conn->bits.proxy_user_passwd =
(bool)(NULL != data->set.str[STRING_PROXYUSERNAME]);
conn->bits.tunnel_proxy = data->set.tunnel_thru_httpproxy;
#endif /* CURL_DISABLE_PROXY */
conn->bits.user_passwd = (bool)(NULL != data->set.str[STRING_USERNAME]);
conn->bits.ftp_use_epsv = data->set.ftp_use_epsv;
conn->bits.ftp_use_eprt = data->set.ftp_use_eprt;
conn->verifypeer = data->set.ssl.verifypeer;
conn->verifyhost = data->set.ssl.verifyhost;
conn->ip_version = data->set.ipver;
if(data->multi && Curl_multi_canPipeline(data->multi) &&
!conn->master_buffer) {
/* Allocate master_buffer to be used for pipelining */
conn->master_buffer = calloc(BUFSIZE, sizeof (char));
if(!conn->master_buffer)
goto error;
}
/* Initialize the pipeline lists */
conn->send_pipe = Curl_llist_alloc((curl_llist_dtor) llist_dtor);
conn->recv_pipe = Curl_llist_alloc((curl_llist_dtor) llist_dtor);
conn->pend_pipe = Curl_llist_alloc((curl_llist_dtor) llist_dtor);
conn->done_pipe = Curl_llist_alloc((curl_llist_dtor) llist_dtor);
if(!conn->send_pipe || !conn->recv_pipe || !conn->pend_pipe ||
!conn->done_pipe)
goto error;
return conn;
error:
Curl_llist_destroy(conn->send_pipe, NULL);
Curl_llist_destroy(conn->recv_pipe, NULL);
Curl_llist_destroy(conn->pend_pipe, NULL);
Curl_llist_destroy(conn->done_pipe, NULL);
Curl_safefree(conn->master_buffer);
Curl_safefree(conn);
return NULL;
}
static CURLcode findprotocol(struct SessionHandle *data,
@ -3751,13 +3815,6 @@ static CURLcode parseurlandfillconn(struct SessionHandle *data,
return findprotocol(data, conn, protop);
}
static void llist_dtor(void *user, void *element)
{
(void)user;
(void)element;
/* Do nothing */
}
/*
* If we're doing a resumed transfer, we need to setup our stuff
* properly.
@ -4595,66 +4652,16 @@ static CURLcode create_conn(struct SessionHandle *data,
parts for checking against the already present connections. In order
to not have to modify everything at once, we allocate a temporary
connection data struct and fill in for comparison purposes. */
conn = allocate_conn(data);
conn = allocate_conn();
if(!conn)
return CURLE_OUT_OF_MEMORY;
/* We must set the return variable as soon as possible, so that our
parent can cleanup any possible allocs we may have done before
any failure */
*in_connect = conn;
if(!conn)
return CURLE_OUT_OF_MEMORY;
conn->data = data; /* Setup the association between this connection
and the SessionHandle */
conn->proxytype = data->set.proxytype; /* type */
#ifdef CURL_DISABLE_PROXY
conn->bits.proxy = FALSE;
conn->bits.httpproxy = FALSE;
conn->bits.proxy_user_passwd = FALSE;
conn->bits.tunnel_proxy = FALSE;
#else /* CURL_DISABLE_PROXY */
conn->bits.proxy = (bool)(data->set.str[STRING_PROXY] &&
*data->set.str[STRING_PROXY]);
conn->bits.httpproxy = (bool)(conn->bits.proxy &&
(conn->proxytype == CURLPROXY_HTTP ||
conn->proxytype == CURLPROXY_HTTP_1_0));
conn->bits.proxy_user_passwd =
(bool)(NULL != data->set.str[STRING_PROXYUSERNAME]);
conn->bits.tunnel_proxy = data->set.tunnel_thru_httpproxy;
#endif /* CURL_DISABLE_PROXY */
conn->bits.user_passwd = (bool)(NULL != data->set.str[STRING_USERNAME]);
conn->bits.ftp_use_epsv = data->set.ftp_use_epsv;
conn->bits.ftp_use_eprt = data->set.ftp_use_eprt;
conn->verifypeer = data->set.ssl.verifypeer;
conn->verifyhost = data->set.ssl.verifyhost;
if(data->multi && Curl_multi_canPipeline(data->multi) &&
!conn->master_buffer) {
/* Allocate master_buffer to be used for pipelining */
conn->master_buffer = calloc(BUFSIZE, sizeof (char));
if(!conn->master_buffer)
return CURLE_OUT_OF_MEMORY;
}
/* Initialize the pipeline lists */
conn->send_pipe = Curl_llist_alloc((curl_llist_dtor) llist_dtor);
conn->recv_pipe = Curl_llist_alloc((curl_llist_dtor) llist_dtor);
conn->pend_pipe = Curl_llist_alloc((curl_llist_dtor) llist_dtor);
conn->done_pipe = Curl_llist_alloc((curl_llist_dtor) llist_dtor);
if(!conn->send_pipe || !conn->recv_pipe || !conn->pend_pipe ||
!conn->done_pipe)
return CURLE_OUT_OF_MEMORY;
/* This initing continues below, see the comment "Continue connectdata
* initialization here" */

6
lib/urldata.h
View File

@ -779,6 +779,8 @@ struct connectdata {
const struct Curl_handler * handler; /* Connection's protocol handler. */
long ip_version; /* copied from the SessionHandle at creation time */
/**** curl_get() phase fields */
curl_socket_t sockfd; /* socket to read from or CURL_SOCKET_BAD */
@ -1355,8 +1357,8 @@ struct UserDefined {
struct curl_slist *http200aliases; /* linked list of aliases for http200 */
long ip_version; /* the CURL_IPRESOLVE_* defines in the public header file
0 - whatever, 1 - v2, 2 - v6 */
long ipver; /* the CURL_IPRESOLVE_* defines in the public header file
0 - whatever, 1 - v2, 2 - v6 */
curl_off_t max_filesize; /* Maximum file size to download */