diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/hostip.c | 12 | ||||
| -rw-r--r-- | lib/setopt.c | 15 | ||||
| -rw-r--r-- | lib/urldata.h | 4 |
3 files changed, 31 insertions, 0 deletions
diff --git a/lib/hostip.c b/lib/hostip.c index 895c13294..8554d39d1 100644 --- a/lib/hostip.c +++ b/lib/hostip.c @@ -58,6 +58,7 @@ #include "strerror.h" #include "url.h" #include "inet_ntop.h" +#include "multiif.h" #include "warnless.h" /* The last 3 #include files should be in this order */ #include "curl_printf.h" @@ -481,6 +482,17 @@ int Curl_resolv(struct connectdata *conn, if(!Curl_ipvalid(conn)) return CURLRESOLV_ERROR; + /* notify the resolver start callback */ + if(data->set.resolver_start) { + int st; + Curl_set_in_callback(data, true); + st = data->set.resolver_start(data->state.resolver, NULL, + data->set.resolver_start_client); + Curl_set_in_callback(data, false); + if(st) + return CURLRESOLV_ERROR; + } + /* If Curl_getaddrinfo() returns NULL, 'respwait' might be set to a non-zero value indicating that we need to wait for the response to the resolve call */ diff --git a/lib/setopt.c b/lib/setopt.c index 8dcd10e6b..9c96eb358 100644 --- a/lib/setopt.c +++ b/lib/setopt.c @@ -2110,6 +2110,21 @@ CURLcode Curl_vsetopt(struct Curl_easy *data, CURLoption option, data->set.fclosesocket = va_arg(param, curl_closesocket_callback); break; + case CURLOPT_RESOLVER_START_FUNCTION: + /* + * resolver start callback function: called before a new resolver request + * is started + */ + data->set.resolver_start = va_arg(param, curl_resolver_start_callback); + break; + + case CURLOPT_RESOLVER_START_DATA: + /* + * resolver start callback data pointer. Might be NULL. + */ + data->set.resolver_start_client = va_arg(param, void *); + break; + case CURLOPT_CLOSESOCKETDATA: /* * socket callback data pointer. Might be NULL. diff --git a/lib/urldata.h b/lib/urldata.h index 35014c232..975333867 100644 --- a/lib/urldata.h +++ b/lib/urldata.h @@ -1681,6 +1681,10 @@ struct UserDefined { struct Curl_http2_dep *stream_dependents; bool abstract_unix_socket; + + curl_resolver_start_callback resolver_start; /* optional callback called + before resolver start */ + void *resolver_start_client; /* pointer to pass to resolver start callback */ }; struct Names { |