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Support multiple subscription identifiers in received messages.

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Summary:
- refactor property encoding
- change user property type to be std::pair<std::string, std::string>

Reviewers: ivica

Reviewed By: ivica

Subscribers: korina

Differential Revision: https://repo.mireo.local/D27867
This commit is contained in:
Bruno Iljazovic
2024-02-16 10:36:26 +01:00
parent b40ddb3ced
commit 1acdd99f28
35 changed files with 469 additions and 380 deletions
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61
include/async_mqtt5/impl/codecs/base_decoders.hpp
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@@ -349,49 +349,38 @@ bool parse_to_prop(
It& iter, const It last,
const Ctx& ctx, RCtx& rctx, Prop& prop
) {
using prop_type = decltype(prop);
using prop_type = std::remove_reference_t<decltype(prop)>;
bool rv = false;
if constexpr (is_optional<prop_type>) {
using value_type =
typename std::remove_reference_t<prop_type>::value_type;
if constexpr (std::is_same_v<value_type, uint8_t>) {
uint8_t attr;
rv = x3::byte_.parse(iter, last, ctx, rctx, attr);
prop = attr;
}
if constexpr (std::is_same_v<value_type, uint16_t>) {
uint16_t attr;
rv = x3::big_word.parse(iter, last, ctx, rctx, attr);
prop = attr;
}
if constexpr (std::is_same_v<value_type, int32_t>) {
int32_t attr;
rv = basic::varint_.parse(iter, last, ctx, rctx, attr);
prop = attr;
}
if constexpr (std::is_same_v<value_type, uint32_t>) {
uint32_t attr;
rv = x3::big_dword.parse(iter, last, ctx, rctx, attr);
prop = attr;
}
if constexpr (std::is_same_v<value_type, std::string>) {
std::string attr;
rv = basic::utf8_.parse(iter, last, ctx, rctx, attr);
prop.emplace(std::move(attr));
}
if constexpr (std::is_same_v<prop_type, uint8_t>)
rv = x3::byte_.parse(iter, last, ctx, rctx, prop);
else if constexpr (std::is_same_v<prop_type, uint16_t>)
rv = x3::big_word.parse(iter, last, ctx, rctx, prop);
else if constexpr (std::is_same_v<prop_type, int32_t>)
rv = basic::varint_.parse(iter, last, ctx, rctx, prop);
else if constexpr (std::is_same_v<prop_type, uint32_t>)
rv = x3::big_dword.parse(iter, last, ctx, rctx, prop);
else if constexpr (std::is_same_v<prop_type, std::string>)
rv = basic::utf8_.parse(iter, last, ctx, rctx, prop);
else if constexpr (is_optional<prop_type>) {
typename prop_type::value_type val;
rv = parse_to_prop(iter, last, ctx, rctx, val);
if (rv) prop.emplace(std::move(val));
}
if constexpr (async_mqtt5::is_vector<prop_type>) {
std::string value;
// key
rv = basic::utf8_.parse(iter, last, ctx, rctx, value);
if (rv) prop.push_back(std::move(value));
// value
rv = basic::utf8_.parse(iter, last, ctx, rctx, value);
else if constexpr (is_pair<prop_type>) {
rv = parse_to_prop(iter, last, ctx, rctx, prop.first);
rv = parse_to_prop(iter, last, ctx, rctx, prop.second);
}
else if constexpr (is_vector<prop_type> || is_small_vector<prop_type>) {
typename std::remove_reference_t<prop_type>::value_type value;
rv = parse_to_prop(iter, last, ctx, rctx, value);
if (rv) prop.push_back(std::move(value));
}
return rv;
}