diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/ref/api/url.md | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/docs/ref/api/url.md b/docs/ref/api/url.md index 62cf66fd..33659d75 100644 --- a/docs/ref/api/url.md +++ b/docs/ref/api/url.md @@ -11,20 +11,12 @@ that are not part of the IETF standards. ## URL Structure ```c -typedef struct nng_url { - const char *u_scheme; - char *u_userinfo; - char *u_hostname; - uint16_t u_port; - char *u_path; - char *u_query; - char *u_fragment; -} nng_url; +typedef struct nng_url nng_url; const char *nng_url_scheme(const nng_url *url); const char *nng_url_userinfo(const nng_url *url); const char *nng_url_hostname(const nng_url *url); -uint16_t nng_url_port(const nng_url *url); +uint32_t nng_url_port(const nng_url *url); const char *nng_url_path(const nng_url *url); const char *nng_url_query(const nng_url *url); const char *nng_url_fragment(const nng_url *url): @@ -101,7 +93,7 @@ and creates a dynamically allocated `nng_url`, returning it in _urlp_. ## Clone a URL ```c -int nng_url_clone(nng_url **dup, nng_url *url); +int nng_url_clone(nng_url **dup, const nng_url *url); ``` The {{i:`nng_url_clone`}} function creates a copy of _url_, and returns it in _dup_. @@ -117,6 +109,18 @@ either [`nng_url_parse`] or [`nng_url_free`]. This is the only correct way to destroy an [`nng_url`] object. +## Update a URL Port + +```c +void nng_url_resolve_port(nng_url *url, uint32_t port); +``` + +In order to use dynamic port allocation, some transports and schemes allow a port number of zero +to be specified. When this is done, the system will allocate a free port when the port is bound +while starting a listener. Once this is done, the port number may need to be updated so that the +URL can be used to configure a client. The {{i:`nng_url_resolve_port`}} function updates such +a URL with a new port. This will have no effect if the URL already has a non-zero port number. + ## See Also More information about Universal Resource Locators can be found in |