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Added the function to extract the frame from CAPWAP data packet

This commit is contained in:
vemax78 2014-03-23 22:24:59 +01:00
parent bb85dc3e23
commit 4c466d68be
2 changed files with 28 additions and 0 deletions
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25
src/common/capwap_element.c
View File

@ -337,6 +337,31 @@ int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap
return PARSING_COMPLETE;
}
/* */
int capwap_packet_getdata(struct capwap_packet_rxmng* rxmngpacket, uint8_t* buffer, int maxlength) {
int result;
ASSERT(rxmngpacket != NULL);
ASSERT(buffer != NULL);
ASSERT(maxlength > 0);
/* Get only data packet */
if (rxmngpacket->isctrlpacket || IS_FLAG_K_HEADER(rxmngpacket->header)) {
return -1;
} else if (rxmngpacket->packetlength > maxlength) {
return -1;
}
/* Get data packet */
rxmngpacket->readerpacketallowed = rxmngpacket->packetlength;
result = rxmngpacket->read_ops.read_block((capwap_message_elements_handle)rxmngpacket, buffer, rxmngpacket->packetlength);
if (result != rxmngpacket->packetlength) {
return -1;
}
return result;
}
/* */
int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct capwap_array* returnedmessage) {
unsigned short binding;

3
src/common/capwap_element.h
View File

@ -144,7 +144,10 @@ struct capwap_parsed_packet {
int capwap_parsing_packet(struct capwap_packet_rxmng* rxmngpacket, struct capwap_connection* connection, struct capwap_parsed_packet* packet);
int capwap_validate_parsed_packet(struct capwap_parsed_packet* packet, struct capwap_array* returnedmessage);
void capwap_free_parsed_packet(struct capwap_parsed_packet* packet);
struct capwap_list_item* capwap_get_message_element(struct capwap_parsed_packet* packet, uint16_t type);
void* capwap_get_message_element_data(struct capwap_parsed_packet* packet, uint16_t type);
int capwap_packet_getdata(struct capwap_packet_rxmng* rxmngpacket, uint8_t* buffer, int maxlength);
#endif /* __CAPWAP_ELEMENT_HEADER__ */