diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Makefile.inc | 21 | ||||
| -rw-r--r-- | lib/asyn-ares.c (renamed from lib/hostares.c) | 45 | ||||
| -rw-r--r-- | lib/asyn-thread.c (renamed from lib/hostthre.c) | 49 | ||||
| -rw-r--r-- | lib/asyn.h | 169 | ||||
| -rw-r--r-- | lib/connect.c | 2 | ||||
| -rw-r--r-- | lib/ftp.c | 6 | ||||
| -rw-r--r-- | lib/hostasyn.c | 39 | ||||
| -rw-r--r-- | lib/hostip.c | 4 | ||||
| -rw-r--r-- | lib/hostip.h | 70 | ||||
| -rw-r--r-- | lib/hostsyn.c | 102 | ||||
| -rw-r--r-- | lib/multi.c | 4 | ||||
| -rw-r--r-- | lib/socks.c | 4 | ||||
| -rw-r--r-- | lib/transfer.c | 4 | ||||
| -rw-r--r-- | lib/url.c | 78 | ||||
| -rw-r--r-- | lib/url.h | 4 |
15 files changed, 302 insertions, 299 deletions
diff --git a/lib/Makefile.inc b/lib/Makefile.inc index 0e77b68d6..04285b533 100644 --- a/lib/Makefile.inc +++ b/lib/Makefile.inc @@ -15,14 +15,14 @@ CSOURCES = file.c timeval.c base64.c hostip.c progress.c formdata.c \ memdebug.c http_chunks.c strtok.c connect.c llist.c hash.c multi.c \ content_encoding.c share.c http_digest.c md4.c md5.c curl_rand.c \ http_negotiate.c http_ntlm.c inet_pton.c strtoofft.c strerror.c \ - hostares.c hostasyn.c hostip4.c hostip6.c hostsyn.c hostthre.c \ - inet_ntop.c parsedate.c select.c gtls.c sslgen.c tftp.c splay.c \ - strdup.c socks.c ssh.c nss.c qssl.c rawstr.c curl_addrinfo.c \ - socks_gssapi.c socks_sspi.c curl_sspi.c slist.c nonblock.c \ - curl_memrchr.c imap.c pop3.c smtp.c pingpong.c rtsp.c curl_threads.c \ - warnless.c hmac.c polarssl.c curl_rtmp.c openldap.c curl_gethostname.c\ - gopher.c axtls.c idn_win32.c http_negotiate_sspi.c cyassl.c http_proxy.c \ - non-ascii.c + hostasyn.c hostip4.c hostip6.c hostsyn.c inet_ntop.c parsedate.c \ + select.c gtls.c sslgen.c tftp.c splay.c strdup.c socks.c ssh.c nss.c \ + qssl.c rawstr.c curl_addrinfo.c socks_gssapi.c socks_sspi.c \ + curl_sspi.c slist.c nonblock.c curl_memrchr.c imap.c pop3.c smtp.c \ + pingpong.c rtsp.c curl_threads.c warnless.c hmac.c polarssl.c \ + curl_rtmp.c openldap.c curl_gethostname.c gopher.c axtls.c \ + idn_win32.c http_negotiate_sspi.c cyassl.c http_proxy.c non-ascii.c \ + asyn-ares.c asyn-thread.c HHEADERS = arpa_telnet.h netrc.h file.h timeval.h qssl.h hostip.h \ progress.h formdata.h cookie.h http.h sendf.h ftp.h url.h dict.h \ @@ -36,6 +36,5 @@ HHEADERS = arpa_telnet.h netrc.h file.h timeval.h qssl.h hostip.h \ tftp.h sockaddr.h splay.h strdup.h setup_once.h socks.h ssh.h nssg.h \ curl_base64.h rawstr.h curl_addrinfo.h curl_sspi.h slist.h nonblock.h \ curl_memrchr.h imap.h pop3.h smtp.h pingpong.h rtsp.h curl_threads.h \ - warnless.h curl_hmac.h polarssl.h curl_rtmp.h curl_gethostname.h \ - gopher.h axtls.h cyassl.h http_proxy.h non-ascii.h - + warnless.h curl_hmac.h polarssl.h curl_rtmp.h curl_gethostname.h \ + gopher.h axtls.h cyassl.h http_proxy.h non-ascii.h asyn.h diff --git a/lib/hostares.c b/lib/asyn-ares.c index cc60016e1..6b71e0384 100644 --- a/lib/hostares.c +++ b/lib/asyn-ares.c @@ -62,6 +62,8 @@ /*********************************************************************** * Only for ares-enabled builds + * And only for functions that fulfill the asynch resolver backend API + * as defined in asyn.h, nothing else belongs in this file! **********************************************************************/ #ifdef CURLRES_ARES @@ -180,10 +182,11 @@ int Curl_resolver_duphandle(void **to, void *from) } static void destroy_async_data (struct Curl_async *async); + /* * Cancel all possibly still on-going resolves for this connection. */ -void Curl_async_cancel(struct connectdata *conn) +void Curl_resolver_cancel(struct connectdata *conn) { if( conn && conn->data && conn->data->state.resolver ) ares_cancel((ares_channel)conn->data->state.resolver); @@ -214,7 +217,7 @@ static void destroy_async_data (struct Curl_async *async) } /* - * Curl_resolv_fdset() is called when someone from the outside world (using + * Curl_resolver_fdset() is called when someone from the outside world (using * curl_multi_fdset()) wants to get our fd_set setup and we're talking with * ares. The caller must make sure that this function is only called when we * have a working ares channel. @@ -222,9 +225,9 @@ static void destroy_async_data (struct Curl_async *async) * Returns: CURLE_OK always! */ -int Curl_resolv_getsock(struct connectdata *conn, - curl_socket_t *socks, - int numsocks) +int Curl_resolver_getsock(struct connectdata *conn, + curl_socket_t *socks, + int numsocks) { struct timeval maxtime; @@ -309,14 +312,14 @@ static int waitperform(struct connectdata *conn, int timeout_ms) } /* - * Curl_is_resolved() is called repeatedly to check if a previous name resolve - * request has completed. It should also make sure to time-out if the - * operation seems to take too long. + * Curl_resolver_is_resolved() is called repeatedly to check if a previous + * name resolve request has completed. It should also make sure to time-out if + * the operation seems to take too long. * * Returns normal CURLcode errors. */ -CURLcode Curl_is_resolved(struct connectdata *conn, - struct Curl_dns_entry **dns) +CURLcode Curl_resolver_is_resolved(struct connectdata *conn, + struct Curl_dns_entry **dns) { struct SessionHandle *data = conn->data; struct ResolverResults *res = (struct ResolverResults *) @@ -344,16 +347,18 @@ CURLcode Curl_is_resolved(struct connectdata *conn, } /* - * Curl_wait_for_resolv() waits for a resolve to finish. This function should - * be avoided since using this risk getting the multi interface to "hang". + * Curl_resolver_wait_resolv() + * + * waits for a resolve to finish. This function should be avoided since using + * this risk getting the multi interface to "hang". * * If 'entry' is non-NULL, make it point to the resolved dns entry * * Returns CURLE_COULDNT_RESOLVE_HOST if the host was not resolved, and * CURLE_OPERATION_TIMEDOUT if a time-out occurred. */ -CURLcode Curl_wait_for_resolv(struct connectdata *conn, - struct Curl_dns_entry **entry) +CURLcode Curl_resolver_wait_resolv(struct connectdata *conn, + struct Curl_dns_entry **entry) { CURLcode rc=CURLE_OK; struct SessionHandle *data = conn->data; @@ -388,7 +393,7 @@ CURLcode Curl_wait_for_resolv(struct connectdata *conn, timeout_ms = 1000; waitperform(conn, timeout_ms); - Curl_is_resolved(conn,&temp_entry); + Curl_resolver_is_resolved(conn,&temp_entry); if(conn->async.done) break; @@ -507,17 +512,17 @@ static void query_completed_cb(void *arg, /* (struct connectdata *) */ } /* - * Curl_getaddrinfo() - when using ares + * Curl_resolver_getaddrinfo() - when using ares * * Returns name information about the given hostname and port number. If * successful, the 'hostent' is returned and the forth argument will point to * memory we need to free after use. That memory *MUST* be freed with * Curl_freeaddrinfo(), nothing else. */ -Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn, - const char *hostname, - int port, - int *waitp) +Curl_addrinfo *Curl_resolver_getaddrinfo(struct connectdata *conn, + const char *hostname, + int port, + int *waitp) { char *bufp; struct SessionHandle *data = conn->data; diff --git a/lib/hostthre.c b/lib/asyn-thread.c index 2313546dd..a3cd4d896 100644 --- a/lib/hostthre.c +++ b/lib/asyn-thread.c @@ -144,10 +144,11 @@ int Curl_resolver_duphandle(void **to, void *from) } static void destroy_async_data(struct Curl_async *); + /* * Cancel all possibly still on-going resolves for this connection. */ -void Curl_async_cancel(struct connectdata *conn) +void Curl_resolver_cancel(struct connectdata *conn) { destroy_async_data(&conn->async); } @@ -374,7 +375,7 @@ static bool init_resolve_thread (struct connectdata *conn, goto err_exit; #ifdef WIN32 - /* This socket is only to keep Curl_resolv_fdset() and select() happy; + /* This socket is only to keep Curl_resolver_fdset() and select() happy; * should never become signalled for read since it's unbound but * Windows needs at least 1 socket in select(). */ @@ -408,15 +409,17 @@ static bool init_resolve_thread (struct connectdata *conn, /* - * Curl_wait_for_resolv() waits for a resolve to finish. This function should - * be avoided since using this risk getting the multi interface to "hang". + * Curl_resolver_wait_resolv() + * + * waits for a resolve to finish. This function should be avoided since using + * this risk getting the multi interface to "hang". * * If 'entry' is non-NULL, make it point to the resolved dns entry * * This is the version for resolves-in-a-thread. */ -CURLcode Curl_wait_for_resolv(struct connectdata *conn, - struct Curl_dns_entry **entry) +CURLcode Curl_resolver_wait_resolv(struct connectdata *conn, + struct Curl_dns_entry **entry) { struct thread_data *td = (struct thread_data*) conn->async.os_specific; struct SessionHandle *data = conn->data; @@ -458,12 +461,12 @@ CURLcode Curl_wait_for_resolv(struct connectdata *conn, } /* - * Curl_is_resolved() is called repeatedly to check if a previous name resolve - * request has completed. It should also make sure to time-out if the - * operation seems to take too long. + * Curl_resolver_is_resolved() is called repeatedly to check if a previous + * name resolve request has completed. It should also make sure to time-out if + * the operation seems to take too long. */ -CURLcode Curl_is_resolved(struct connectdata *conn, - struct Curl_dns_entry **entry) +CURLcode Curl_resolver_is_resolved(struct connectdata *conn, + struct Curl_dns_entry **entry) { struct SessionHandle *data = conn->data; struct thread_data *td = (struct thread_data*) conn->async.os_specific; @@ -513,9 +516,9 @@ CURLcode Curl_is_resolved(struct connectdata *conn, return CURLE_OK; } -int Curl_resolv_getsock(struct connectdata *conn, - curl_socket_t *socks, - int numsocks) +int Curl_resolver_getsock(struct connectdata *conn, + curl_socket_t *socks, + int numsocks) { const struct thread_data *td = (const struct thread_data *) conn->async.os_specific; @@ -535,10 +538,10 @@ int Curl_resolv_getsock(struct connectdata *conn, /* * Curl_getaddrinfo() - for platforms without getaddrinfo */ -Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn, - const char *hostname, - int port, - int *waitp) +Curl_addrinfo *Curl_resolver_getaddrinfo(struct connectdata *conn, + const char *hostname, + int port, + int *waitp) { struct in_addr in; @@ -561,12 +564,12 @@ Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn, #else /* !HAVE_GETADDRINFO */ /* - * Curl_getaddrinfo() - for getaddrinfo + * Curl_resolver_getaddrinfo() - for getaddrinfo */ -Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn, - const char *hostname, - int port, - int *waitp) +Curl_addrinfo *Curl_resolver_getaddrinfo(struct connectdata *conn, + const char *hostname, + int port, + int *waitp) { struct addrinfo hints; Curl_addrinfo *res; diff --git a/lib/asyn.h b/lib/asyn.h new file mode 100644 index 000000000..801ae79c4 --- /dev/null +++ b/lib/asyn.h @@ -0,0 +1,169 @@ +#ifndef HEADER_CURL_ASYN_H +#define HEADER_CURL_ASYN_H +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2011, 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 + * are also available at http://curl.haxx.se/docs/copyright.html. + * + * You may opt to use, copy, modify, merge, publish, distribute and/or sell + * copies of the Software, and permit persons to whom the Software is + * furnished to do so, under the terms of the COPYING file. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ***************************************************************************/ + +#include "setup.h" +#include "curl_addrinfo.h" + +struct addrinfo; +struct hostent; +struct SessionHandle; +struct connectdata; +struct Curl_dns_entry; + +/* + * This header defines all functions in the internal asynch resolver interface. + * All asynch resolvers need to provide these functions. + * asyn-ares.c and asyn-thread.c are the current implementations of asynch + * resolver backends. + */ + +/* + * Curl_resolver_global_init() + * + * Called from curl_global_init() to initialize global resolver environment. + * Returning anything else than CURLE_OK fails curl_global_init(). + */ +int Curl_resolver_global_init(void); + +/* + * Curl_resolver_global_cleanup() + * Called from curl_global_cleanup() to destroy global resolver environment. + */ +void Curl_resolver_global_cleanup(void); + +/* + * Curl_resolver_init() + * Called from curl_easy_init() -> Curl_open() to initialize resolver + * URL-state specific environment ('resolver' member of the UrlState + * structure). Should fill the passed pointer by the initialized handler. + * Returning anything else than CURLE_OK fails curl_easy_init() with the + * correspondent code. + */ +int Curl_resolver_init(void **resolver); + +/* + * Curl_resolver_cleanup() + * Called from curl_easy_cleanup() -> Curl_close() to cleanup resolver + * URL-state specific environment ('resolver' member of the UrlState + * structure). Should destroy the handler and free all resources connected to + * it. + */ +void Curl_resolver_cleanup(void *resolver); + +/* + * Curl_resolver_duphandle() + * Called from curl_easy_duphandle() to duplicate resolver URL-state specific + * environment ('resolver' member of the UrlState structure). Should + * duplicate the 'from' handle and pass the resulting handle to the 'to' + * pointer. Returning anything else than CURLE_OK causes failed + * curl_easy_duphandle() call. + */ +int Curl_resolver_duphandle(void **to, void *from); + +/* + * Curl_resolver_cancel(). + * + * It is called from inside other functions to cancel currently performing + * resolver request. Should also free any temporary resources allocated to + * perform a request. + */ +void Curl_resolver_cancel(struct connectdata *conn); + +/* Curl_resolver_getsock() + * + * This function is called from the multi_getsock() function. 'sock' is a + * pointer to an array to hold the file descriptors, with 'numsock' being the + * size of that array (in number of entries). This function is supposed to + * return bitmask indicating what file descriptors (referring to array indexes + * in the 'sock' array) to wait for, read/write. + */ +int Curl_resolver_getsock(struct connectdata *conn, curl_socket_t *sock, + int numsocks); + +/* + * Curl_resolver_is_resolved() + * + * Called repeatedly to check if a previous name resolve request has + * completed. It should also make sure to time-out if the operation seems to + * take too long. + * + * Returns normal CURLcode errors. + */ +CURLcode Curl_resolver_is_resolved(struct connectdata *conn, + struct Curl_dns_entry **dns); + +/* + * Curl_resolver_wait_resolv() + * + * waits for a resolve to finish. This function should be avoided since using + * this risk getting the multi interface to "hang". + * + * If 'entry' is non-NULL, make it point to the resolved dns entry + * + * Returns CURLE_COULDNT_RESOLVE_HOST if the host was not resolved, and + * CURLE_OPERATION_TIMEDOUT if a time-out occurred. + + */ +CURLcode Curl_resolver_wait_resolv(struct connectdata *conn, + struct Curl_dns_entry **dnsentry); + +/* + * Curl_resolver_getaddrinfo() - when using this resolver + * + * Returns name information about the given hostname and port number. If + * successful, the 'hostent' is returned and the forth argument will point to + * memory we need to free after use. That memory *MUST* be freed with + * Curl_freeaddrinfo(), nothing else. + * + * Each resolver backend must of course make sure to return data in the + * correct format to comply with this. + */ +Curl_addrinfo *Curl_resolver_getaddrinfo(struct connectdata *conn, + const char *hostname, + int port, + int *waitp); + +#ifndef CURLRES_ASYNCH +/* convert these functions if an asynch resolver isn't used */ +#define Curl_resolver_cancel(x) +#define Curl_async_resolved(x,y) CURLE_OK +#define Curl_resolver_is_resolved(x,y) CURLE_COULDNT_RESOLVE_HOST +#define Curl_resolver_wait_resolv(x,y) CURLE_COULDNT_RESOLVE_HOST +#define Curl_resolver_getsock(x,y,z) 0 +#define Curl_resolver_duphandle(x,y) CURLE_OK +#define Curl_resolver_init(x) CURLE_OK +#define Curl_resolver_global_init() CURLE_OK +#define Curl_resolver_global_cleanup() +#define Curl_resolver_cleanup(x) +#endif + +#ifdef CURLRES_ASYNCH +#define Curl_resolver_asynch() 1 +#else +#define Curl_resolver_asynch() 0 +#endif + + +/********** end of generic resolver interface functions *****************/ +#endif /* HEADER_CURL_ASYN_H */ diff --git a/lib/connect.c b/lib/connect.c index 69d84c359..e876e7641 100644 --- a/lib/connect.c +++ b/lib/connect.c @@ -324,7 +324,7 @@ static CURLcode bindlocal(struct connectdata *conn, rc = Curl_resolv(conn, dev, 0, &h); if(rc == CURLRESOLV_PENDING) - (void)Curl_wait_for_resolv(conn, &h); + (void)Curl_resolver_wait_resolv(conn, &h); conn->ip_version = ipver; if(h) { @@ -840,7 +840,7 @@ static CURLcode ftp_state_use_port(struct connectdata *conn, /* resolv ip/host to ip */ rc = Curl_resolv(conn, host, 0, &h); if(rc == CURLRESOLV_PENDING) - (void)Curl_wait_for_resolv(conn, &h); + (void)Curl_resolver_wait_resolv(conn, &h); if(h) { res = h->addr; /* when we return from this function, we can forget about this entry @@ -1656,7 +1656,7 @@ static CURLcode ftp_state_pasv_resp(struct connectdata *conn, if(rc == CURLRESOLV_PENDING) /* BLOCKING, ignores the return code but 'addr' will be NULL in case of failure */ - (void)Curl_wait_for_resolv(conn, &addr); + (void)Curl_resolver_wait_resolv(conn, &addr); connectport = (unsigned short)conn->port; /* we connect to the proxy's port */ @@ -1672,7 +1672,7 @@ static CURLcode ftp_state_pasv_resp(struct connectdata *conn, rc = Curl_resolv(conn, newhost, newport, &addr); if(rc == CURLRESOLV_PENDING) /* BLOCKING */ - (void)Curl_wait_for_resolv(conn, &addr); + (void)Curl_resolver_wait_resolv(conn, &addr); connectport = newport; /* we connect to the remote port */ diff --git a/lib/hostasyn.c b/lib/hostasyn.c index 5269c08dc..50f6b01fb 100644 --- a/lib/hostasyn.c +++ b/lib/hostasyn.c @@ -127,4 +127,43 @@ CURLcode Curl_addrinfo_callback(struct connectdata *conn, return rc; } +/* Call this function after Curl_connect() has returned async=TRUE and + then a successful name resolve has been received. + + Note: this function disconnects and frees the conn data in case of + resolve failure */ +CURLcode Curl_async_resolved(struct connectdata *conn, + bool *protocol_done) +{ + CURLcode code; + + if(conn->async.dns) { + conn->dns_entry = conn->async.dns; + conn->async.dns = NULL; + } + + code = Curl_setup_conn(conn, protocol_done); + + if(code) + /* We're not allowed to return failure with memory left allocated + in the connectdata struct, free those here */ + Curl_disconnect(conn, FALSE); /* close the connection */ + + return code; +} + +/* + * Curl_getaddrinfo() is the generic low-level name resolve API within this + * source file. There are several versions of this function - for different + * name resolve layers (selected at build-time). They all take this same set + * of arguments + */ +Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn, + const char *hostname, + int port, + int *waitp) +{ + return Curl_resolver_getaddrinfo(conn, hostname, port, waitp); +} + #endif /* CURLRES_ASYNCH */ diff --git a/lib/hostip.c b/lib/hostip.c index 3db5b4967..9dddc0c06 100644 --- a/lib/hostip.c +++ b/lib/hostip.c @@ -5,7 +5,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al. + * Copyright (C) 1998 - 2011, 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 @@ -464,7 +464,7 @@ int Curl_resolv(struct connectdata *conn, /* the response to our resolve call will come asynchronously at a later time, good or bad */ /* First, check that we haven't received the info by now */ - result = Curl_is_resolved(conn, &dns); + result = Curl_resolver_is_resolved(conn, &dns); if(result) /* error detected */ return CURLRESOLV_ERROR; if(dns) diff --git a/lib/hostip.h b/lib/hostip.h index 5c9250991..15a84c467 100644 --- a/lib/hostip.h +++ b/lib/hostip.h @@ -25,6 +25,7 @@ #include "setup.h" #include "hash.h" #include "curl_addrinfo.h" +#include "asyn.h" #ifdef HAVE_SETJMP_H #include <setjmp.h> @@ -104,52 +105,6 @@ bool Curl_ipv6works(void); */ bool Curl_ipvalid(struct connectdata *conn); -/********* functions in the internal asynch resolver interface ****** */ - -/* - * Curl_resolver_global_init() - * - * Called from curl_global_init() to initialize global resolver environment. - * Returning anything else than CURLE_OK fails curl_global_init(). - */ -int Curl_resolver_global_init(void); - -/* - * Curl_resolver_global_cleanup() - * Called from curl_global_cleanup() to destroy global resolver environment. - */ -void Curl_resolver_global_cleanup(void); - -/* - * Curl_resolver_init() - * Called from curl_easy_init() -> Curl_open() to initialize resolver - * URL-state specific environment ('resolver' member of the UrlState - * structure). Should fill the passed pointer by the initialized handler. - * Returning anything else than CURLE_OK fails curl_easy_init() with the - * correspondent code. - */ -int Curl_resolver_init(void **resolver); - -/* - * Curl_resolver_cleanup() - * Called from curl_easy_cleanup() -> Curl_close() to cleanup resolver - * URL-state specific environment ('resolver' member of the UrlState - * structure). Should destroy the handler and free all resources connected to - * it. - */ -void Curl_resolver_cleanup(void *resolver); - -/* - * Curl_resolver_duphandle() - * Called from curl_easy_duphandle() to duplicate resolver URL-state specific - * environment ('resolver' member of the UrlState structure). Should - * duplicate the 'from' handle and pass the resulting handle to the 'to' - * pointer. Returning anything else than CURLE_OK causes failed - * curl_easy_duphandle() call. - */ -int Curl_resolver_duphandle(void **to, void *from); - -/********** end of generic resolver interface functions *****************/ /* * Curl_getaddrinfo() is the generic low-level name resolve API within this @@ -162,29 +117,6 @@ Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn, int port, int *waitp); -#ifdef CURLRES_ASYNCH -/* - * Curl_async_cancel() is the generic low-level asynchronous name resolve API. - * It is called from inside other functions to cancel currently performing resolver - * request. Should also free any temporary resources allocated to perform a request. - */ -void Curl_async_cancel(struct connectdata *conn); -#endif - -CURLcode Curl_is_resolved(struct connectdata *conn, - struct Curl_dns_entry **dns); -CURLcode Curl_wait_for_resolv(struct connectdata *conn, - struct Curl_dns_entry **dnsentry); - -/* Curl_resolv_getsock() is a generic function that exists in multiple - versions depending on what name resolve technology we've built to use. The - function is called from the multi_getsock() function. 'sock' is a pointer - to an array to hold the file descriptors, with 'numsock' being the size of - that array (in number of entries). This function is supposed to return - bitmask indicating what file descriptors (referring to array indexes in the - 'sock' array) to wait for, read/write. */ -int Curl_resolv_getsock(struct connectdata *conn, curl_socket_t *sock, - int numsocks); /* unlock a previously resolved dns entry */ void Curl_resolv_unlock(struct SessionHandle *data, diff --git a/lib/hostsyn.c b/lib/hostsyn.c index 01d028979..a5e97658e 100644 --- a/lib/hostsyn.c +++ b/lib/hostsyn.c @@ -72,107 +72,5 @@ **********************************************************************/ #ifdef CURLRES_SYNCH -/* - * Curl_resolver_global_init() - * Called from curl_global_init() to initialize global resolver environment. - * Does nothing here. - */ -int Curl_resolver_global_init(void) -{ - return CURLE_OK; -} - -/* - * Curl_resolver_global_cleanup() - * Called from curl_global_cleanup() to destroy global resolver environment. - * Does nothing here. - */ -void Curl_resolver_global_cleanup(void) -{ -} - -/* - * Curl_resolver_init() - * Called from curl_easy_init() -> Curl_open() to initialize resolver - * URL-state specific environment ('resolver' member of the UrlState - * structure). Does nothing here. - */ -int Curl_resolver_init(void **resolver) -{ - (void)resolver; - return CURLE_OK; -} - -/* - * Curl_resolver_cleanup() - * Called from curl_easy_cleanup() -> Curl_close() to cleanup resolver - * URL-state specific environment ('resolver' member of the UrlState - * structure). Does nothing here. - */ -void Curl_resolver_cleanup(void *resolver) -{ - (void)resolver; -} - -/* - * Curl_resolver_duphandle() - * Called from curl_easy_duphandle() to duplicate resolver URL state-specific - * environment ('resolver' member of the UrlState structure). Does nothing - * here. - */ -int Curl_resolver_duphandle(void **to, void *from) -{ - (void)to; - (void)from; - return CURLE_OK; -} - -/* - * Curl_wait_for_resolv() for synch-builds. Curl_resolv() can never return - * wait==TRUE, so this function will never be called. If it still gets called, - * we return failure at once. - * - * We provide this function only to allow multi.c to remain unaware if we are - * doing asynch resolves or not. - */ -CURLcode Curl_wait_for_resolv(struct connectdata *conn, - struct Curl_dns_entry **entry) -{ - (void)conn; - *entry=NULL; - return CURLE_COULDNT_RESOLVE_HOST; -} - -/* - * This function will never be called when synch-built. If it still gets - * called, we return failure at once. - * - * We provide this function only to allow multi.c to remain unaware if we are - * doing asynch resolves or not. - */ -CURLcode Curl_is_resolved(struct connectdata *conn, - struct Curl_dns_entry **dns) -{ - (void)conn; - *dns = NULL; - - return CURLE_COULDNT_RESOLVE_HOST; -} - -/* - * We just return OK, this function is never actually used for synch builds. - * It is present here to keep #ifdefs out from multi.c - */ - -int Curl_resolv_getsock(struct connectdata *conn, - curl_socket_t *sock, - int numsocks) -{ - (void)conn; - (void)sock; - (void)numsocks; - - return 0; /* no bits since we don't use any socks */ -} #endif /* truly sync */ diff --git a/lib/multi.c b/lib/multi.c index 40a341d29..650be6836 100644 --- a/lib/multi.c +++ b/lib/multi.c @@ -855,7 +855,7 @@ static int multi_getsock(struct Curl_one_easy *easy, return 0; case CURLM_STATE_WAITRESOLVE: - return Curl_resolv_getsock(easy->easy_conn, socks, numsocks); + return Curl_resolver_getsock(easy->easy_conn, socks, numsocks); case CURLM_STATE_PROTOCONNECT: return Curl_protocol_getsock(easy->easy_conn, socks, numsocks); @@ -1071,7 +1071,7 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi, struct Curl_dns_entry *dns = NULL; /* check if we have the name resolved by now */ - easy->result = Curl_is_resolved(easy->easy_conn, &dns); + easy->result = Curl_resolver_is_resolved(easy->easy_conn, &dns); if(dns) { /* Update sockets here. Mainly because the socket(s) may have been diff --git a/lib/socks.c b/lib/socks.c index 08e4f66f6..5424d54af 100644 --- a/lib/socks.c +++ b/lib/socks.c @@ -175,7 +175,7 @@ CURLcode Curl_SOCKS4(const char *proxy_name, if(rc == CURLRESOLV_PENDING) /* ignores the return code, but 'dns' remains NULL on failure */ - (void)Curl_wait_for_resolv(conn, &dns); + (void)Curl_resolver_wait_resolv(conn, &dns); /* * We cannot use 'hostent' as a struct that Curl_resolv() returns. It @@ -603,7 +603,7 @@ CURLcode Curl_SOCKS5(const char *proxy_name, if(rc == CURLRESOLV_PENDING) { /* this requires that we're in "wait for resolve" state */ - code = Curl_wait_for_resolv(conn, &dns); + code = Curl_resolver_wait_resolv(conn, &dns); if(code != CURLE_OK) return code; } diff --git a/lib/transfer.c b/lib/transfer.c index 6a93bf059..ee817568c 100644 --- a/lib/transfer.c +++ b/lib/transfer.c @@ -1995,7 +1995,7 @@ connect_host(struct SessionHandle *data, if((CURLE_OK == res) && async) { /* Now, if async is TRUE here, we need to wait for the name to resolve */ - res = Curl_wait_for_resolv(*conn, NULL); + res = Curl_resolver_wait_resolv(*conn, NULL); if(CURLE_OK == res) /* Resolved, continue with the connection */ res = Curl_async_resolved(*conn, &protocol_done); @@ -2047,7 +2047,7 @@ Curl_reconnect_request(struct connectdata **connp) if(async) { /* Now, if async is TRUE here, we need to wait for the name to resolve */ - result = Curl_wait_for_resolv(conn, NULL); + result = Curl_resolver_wait_resolv(conn, NULL); if(result) return result; @@ -2514,9 +2514,7 @@ static void conn_free(struct connectdata *conn) return; /* possible left-overs from the async name resolvers */ -#if defined(CURLRES_ASYNCH) - Curl_async_cancel(conn); -#endif + Curl_resolver_cancel(conn); /* close the SSL stuff before we close any sockets since they will/may write to the sockets */ @@ -2553,15 +2551,7 @@ static void conn_free(struct connectdata *conn) Curl_llist_destroy(conn->pend_pipe, NULL); Curl_llist_destroy(conn->done_pipe, NULL); - /* possible left-overs from the async name resolvers */ -#if defined(CURLRES_THREADED) - Curl_destroy_thread_data(&conn->async); -#elif defined(CURLRES_ASYNCH) - Curl_safefree(conn->async.hostname); - Curl_safefree(conn->async.os_specific); -#endif Curl_safefree(conn->localdev); - Curl_free_ssl_config(&conn->ssl_config); free(conn); /* free all the connection oriented data */ @@ -2896,16 +2886,16 @@ ConnectionExists(struct SessionHandle *data, continue; } -#ifdef CURLRES_ASYNCH - /* ip_addr_str[0] is NUL only if the resolving of the name hasn't - completed yet and until then we don't re-use this connection */ - if(!check->ip_addr_str[0]) { - infof(data, - "Connection #%ld hasn't finished name resolve, can't reuse\n", - check->connectindex); - continue; + if(Curl_resolver_asynch()) { + /* ip_addr_str[0] is NUL only if the resolving of the name hasn't + completed yet and until then we don't re-use this connection */ + if(!check->ip_addr_str[0]) { + infof(data, + "Connection #%ld hasn't finished name resolve, can't reuse\n", + check->connectindex); + continue; + } } -#endif if((check->sock[FIRSTSOCKET] == CURL_SOCKET_BAD) || check->bits.close) { /* Don't pick a connection that hasn't connected yet or that is going @@ -4633,7 +4623,7 @@ static void reuse_conn(struct connectdata *old_conn, * @param data The sessionhandle pointer * @param in_connect is set to the next connection data pointer * @param async is set TRUE when an async DNS resolution is pending - * @see setup_conn() + * @see Curl_setup_conn() * * *NOTE* this function assigns the conn->data pointer! */ @@ -4976,16 +4966,16 @@ static CURLcode create_conn(struct SessionHandle *data, return result; } -/* setup_conn() is called after the name resolve initiated in +/* Curl_setup_conn() is called after the name resolve initiated in * create_conn() is all done. * - * setup_conn() also handles reused connections + * Curl_setup_conn() also handles reused connections * * conn->data MUST already have been setup fine (in create_conn) */ -static CURLcode setup_conn(struct connectdata *conn, - bool *protocol_done) +CURLcode Curl_setup_conn(struct connectdata *conn, + bool *protocol_done) { CURLcode result=CURLE_OK; struct SessionHandle *data = conn->data; @@ -5108,7 +5098,7 @@ CURLcode Curl_connect(struct SessionHandle *data, /* DNS resolution is done: that's either because this is a reused connection, in which case DNS was unnecessary, or because DNS really did finish already (synch resolver/fast async resolve) */ - code = setup_conn(*in_connect, protocol_done); + code = Curl_setup_conn(*in_connect, protocol_done); } } @@ -5122,38 +5112,6 @@ CURLcode Curl_connect(struct SessionHandle *data, return code; } -/* Call this function after Curl_connect() has returned async=TRUE and - then a successful name resolve has been received. - - Note: this function disconnects and frees the conn data in case of - resolve failure */ -CURLcode Curl_async_resolved(struct connectdata *conn, - bool *protocol_done) -{ -#ifdef CURLRES_ASYNCH - CURLcode code; - - if(conn->async.dns) { - conn->dns_entry = conn->async.dns; - conn->async.dns = NULL; - } - - code = setup_conn(conn, protocol_done); - - if(code) - /* We're not allowed to return failure with memory left allocated - in the connectdata struct, free those here */ - Curl_disconnect(conn, FALSE); /* close the connection */ - - return code; -#else - (void)conn; - (void)protocol_done; - return CURLE_OK; -#endif -} - - CURLcode Curl_done(struct connectdata **connp, CURLcode status, /* an error if this is called after an error was detected */ @@ -5193,9 +5151,7 @@ CURLcode Curl_done(struct connectdata **connp, data->req.location = NULL; } -#if defined(CURLRES_ASYNCH) - Curl_async_cancel(conn); -#endif + Curl_resolver_cancel(conn); if(conn->dns_entry) { Curl_resolv_unlock(data, conn->dns_entry); /* done with this */ @@ -7,7 +7,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al. + * Copyright (C) 1998 - 2011, 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 @@ -47,6 +47,8 @@ CURLcode Curl_protocol_connect(struct connectdata *conn, bool *done); CURLcode Curl_protocol_connecting(struct connectdata *conn, bool *done); CURLcode Curl_protocol_doing(struct connectdata *conn, bool *done); void Curl_safefree(void *ptr); +CURLcode Curl_setup_conn(struct connectdata *conn, + bool *protocol_done); /* create a connection cache */ struct conncache *Curl_mk_connc(int type, long amount); |