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Moved endianness change functions to endianness.h.

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This commit is contained in:
Matias Fontanini
2012-09-03 23:58:43 -03:00
parent 279940c398
commit 832a79a1e1
39 changed files with 482 additions and 557 deletions
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7
src/utils.cpp
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@@ -35,6 +35,7 @@
#include "ip.h"
#include "icmp.h"
#include "arp.h"
#include "endianness.h"
using namespace std;
@@ -163,14 +164,14 @@ uint32_t Utils::do_checksum(const uint8_t *start, const uint8_t *end) {
padding = *(end - 1) << 8;
}
while(ptr < last)
checksum += Utils::host_to_be(*(ptr++));
checksum += Endian::host_to_be(*(ptr++));
return checksum + padding;
}
uint32_t Utils::pseudoheader_checksum(IPv4Address source_ip, IPv4Address dest_ip, uint32_t len, uint32_t flag) {
uint32_t checksum(0);
uint32_t source_ip_int = Utils::host_to_be<uint32_t>(source_ip),
dest_ip_int = Utils::host_to_be<uint32_t>(dest_ip);
uint32_t source_ip_int = Endian::host_to_be<uint32_t>(source_ip),
dest_ip_int = Endian::host_to_be<uint32_t>(dest_ip);
uint16_t *ptr = (uint16_t*)&source_ip_int;
checksum += (uint32_t)(*ptr) + (uint32_t)(*(ptr+1));