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Read requests synchronous replies. (#361)

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This commit is contained in:
Ravin Perera
2022-02-26 07:48:02 +05:30
committed by GitHub
parent d5f0c1e664
commit 5c349dfa95
14 changed files with 136 additions and 66 deletions
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15
src/msg/bson/usrmsg_bson.cpp
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@@ -167,16 +167,19 @@ namespace msg::usrmsg::bson
* Message format:
* {
* "type": "contract_read_response",
* "reply_for": "<corresponding request id>",
* "content": <contract output>
* }
* @param content The contract binary output content to be put in the message.
*/
void create_contract_read_response_container(std::vector<uint8_t> &msg, std::string_view content)
void create_contract_read_response_container(std::vector<uint8_t> &msg, std::string_view reply_for, std::string_view content)
{
jsoncons::bson::bson_bytes_encoder encoder(msg);
encoder.begin_object();
encoder.key(msg::usrmsg::FLD_TYPE);
encoder.string_value(msg::usrmsg::MSGTYPE_CONTRACT_READ_RESPONSE);
encoder.key(msg::usrmsg::FLD_REPLY_FOR);
encoder.string_value(reply_for);
encoder.key(msg::usrmsg::FLD_CONTENT);
encoder.byte_string_value(content);
encoder.end_object();
@@ -469,18 +472,26 @@ namespace msg::usrmsg::bson
* Accepted signed input container format:
* {
* "type": "contract_read_request",
* "id": "<any string>",
* "content": <binary buffer>
* }
* @return 0 on successful extraction. -1 for failure.
*/
int extract_read_request(std::string &extracted_content, const jsoncons::ojson &d)
int extract_read_request(std::string &extracted_id, std::string &extracted_content, const jsoncons::ojson &d)
{
if (!d.contains(msg::usrmsg::FLD_ID) || !d[msg::usrmsg::FLD_ID].is<std::string>())
{
LOG_DEBUG << "Read request 'id' field missing or invalid.";
return -1;
}
if (!d.contains(msg::usrmsg::FLD_CONTENT) || !d[msg::usrmsg::FLD_CONTENT].is_byte_string_view())
{
LOG_DEBUG << "Read request 'content' field missing or invalid.";
return -1;
}
extracted_id = d[msg::usrmsg::FLD_ID].as<std::string>();
const jsoncons::byte_string_view &bsv = d[msg::usrmsg::FLD_CONTENT].as_byte_string_view();
extracted_content = std::string_view(reinterpret_cast<const char *>(bsv.data()), bsv.size());
return 0;