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28 lines
1.0 KiB
Markdown
28 lines
1.0 KiB
Markdown
---
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title: "mg_bind_opt()"
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decl_name: "mg_bind_opt"
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symbol_kind: "func"
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signature: |
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struct mg_connection *mg_bind_opt(struct mg_mgr *mgr, const char *address,
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MG_CB(mg_event_handler_t handler,
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void *user_data);
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---
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Creates a listening connection.
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The `address` parameter specifies which address to bind to. It's format is
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the same as for the `mg_connect()` call, where `HOST` part is optional.
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`address` can be just a port number, e.g. `:8000`. To bind to a specific
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interface, an IP address can be specified, e.g. `1.2.3.4:8000`. By default,
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a TCP connection is created. To create UDP connection, prepend `udp://`
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prefix, e.g. `udp://:8000`. To summarize, `address` parameter has following
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format: `[PROTO://][IP_ADDRESS]:PORT`, where `PROTO` could be `tcp` or
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`udp`.
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See the `mg_bind_opts` structure for a description of the optional
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parameters.
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Returns a new listening connection or `NULL` on error.
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NOTE: The connection remains owned by the manager, do not free().
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