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by 
Gustav Atmel
mdns_priv.h File Reference
MDNS responder private definitions. More...
Go to the source code of this file.
Functions | |
| err_t | mdns_domain_add_label (struct mdns_domain *domain, const char *label, u8_t len) |
| Add a label part to a domain. | |
| u16_t | mdns_readname (struct pbuf *p, u16_t offset, struct mdns_domain *domain) |
| Read possibly compressed domain name from packet buffer. | |
| int | mdns_domain_eq (struct mdns_domain *a, struct mdns_domain *b) |
| Return 1 if contents of domains match (case-insensitive) | |
| u16_t | mdns_compress_domain (struct pbuf *pbuf, u16_t *offset, struct mdns_domain *domain) |
| Return bytes needed to write before jump for best result of compressing supplied domain against domain in outpacket starting at specified offset. | |
Detailed Description
MDNS responder private definitions.
Definition in file mdns_priv.h.
Function Documentation
| u16_t mdns_compress_domain | ( | struct pbuf * | pbuf, |
| u16_t * | offset, | ||
| struct mdns_domain * | domain | ||
| ) |
Return bytes needed to write before jump for best result of compressing supplied domain against domain in outpacket starting at specified offset.
If a match is found, offset is updated to where to jump to
- Parameters:
-
pbuf Pointer to pbuf with the partially constructed DNS packet offset Start position of a domain written earlier. If this location is suitable for compression, the pointer is updated to where in the domain to jump to. domain The domain to write
- Returns:
- Number of bytes to write of the new domain before writing a jump to the offset. If compression can not be done against this previous domain name, the full new domain length is returned.
Definition at line 730 of file lwip_mdns.c.
| err_t mdns_domain_add_label | ( | struct mdns_domain * | domain, |
| const char * | label, | ||
| u8_t | len | ||
| ) |
Add a label part to a domain.
- Parameters:
-
domain The domain to add a label to label The label to add, like <hostname>, 'local', 'com' or '' len The length of the label
- Returns:
- ERR_OK on success, an err_t otherwise if label too long
Definition at line 272 of file lwip_mdns.c.
| int mdns_domain_eq | ( | struct mdns_domain * | a, |
| struct mdns_domain * | b | ||
| ) |
Return 1 if contents of domains match (case-insensitive)
- Parameters:
-
a Domain name to compare 1 b Domain name to compare 2
- Returns:
- 1 if domains are equal ignoring case, 0 otherwise
Definition at line 404 of file lwip_mdns.c.
| u16_t mdns_readname | ( | struct pbuf * | p, |
| u16_t | offset, | ||
| struct mdns_domain * | domain | ||
| ) |
Read possibly compressed domain name from packet buffer.
- Parameters:
-
p The packet offset start position of domain name in packet domain The domain name destination
- Returns:
- The new offset after the domain, or MDNS_READNAME_ERROR if reading failed
Definition at line 370 of file lwip_mdns.c.
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