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Code Issues Releases Wiki Activity

Add remove_option member to IP, TCP, Dot11, ICMPv6, DHCP and DHCPv6

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This commit is contained in:
Matias Fontanini
2015-08-17 15:19:03 -07:00
parent ab61907a06
commit 6dec68128d
19 changed files with 386 additions and 59 deletions
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36
src/ip.cpp
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@@ -297,18 +297,40 @@ void IP::add_option(const option &opt) {
_ip_options.push_back(opt);
}
void IP::internal_add_option(const option &opt) {
_options_size += static_cast<uint16_t>(1 + opt.data_size());
void IP::update_padded_options_size() {
uint8_t padding = _options_size % 4;
_padded_options_size = padding ? (_options_size - padding + 4) : _options_size;
}
const IP::option *IP::search_option(option_identifier id) const {
for(options_type::const_iterator it = _ip_options.begin(); it != _ip_options.end(); ++it) {
if(it->option() == id)
return &(*it);
void IP::internal_add_option(const option &opt) {
_options_size += static_cast<uint16_t>(1 + opt.data_size());
update_padded_options_size();
}
bool IP::remove_option(option_identifier id) {
options_type::iterator iter = search_option_iterator(id);
if (iter == _ip_options.end()) {
return false;
}
return 0;
_options_size -= static_cast<uint16_t>(1 + iter->data_size());
_ip_options.erase(iter);
update_padded_options_size();
return true;
}
const IP::option *IP::search_option(option_identifier id) const {
options_type::const_iterator iter = search_option_iterator(id);
return (iter != _ip_options.end()) ? &*iter : 0;
}
IP::options_type::const_iterator IP::search_option_iterator(option_identifier id) const {
Internals::option_type_equality_comparator<option> comparator(id);
return find_if(_ip_options.begin(), _ip_options.end(), comparator);
}
IP::options_type::iterator IP::search_option_iterator(option_identifier id) {
Internals::option_type_equality_comparator<option> comparator(id);
return find_if(_ip_options.begin(), _ip_options.end(), comparator);
}
uint8_t* IP::write_option(const option &opt, uint8_t* buffer) {