* add id to tracing span

* Revert "add id to tracing span"

This reverts commit 5e01e6be.

* Avoid using Span::enter() in async functions, following tracing's doc instruction https://docs.rs/tracing/latest/tracing/struct.Span.html#in-asynchronous-code

* * fixed all Span::enter()
* clean up

* fix fmt

* changed RpcTracing::span -> into_span instead of cloning the span

* ws-client: Replace `httparse::Header` with `http::HeaderMap`

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* ws-client: Make headers optional

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* http-client: Expose custom header injection

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* http-client: Adjust testing for custom headers

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Make `http::HeaderMap` non-optional

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* http-client: Cache request headers

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Fix doc tests

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* http-client: Use `into_iter` for headers

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* docs: Improve custom headers documentation

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* http: Use `hyper::http` instead of `http` directly

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* http-client: Adjust testing

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Fix doc tests

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* client: Expose `http::HeaderMap` and `http::HeaderValue`

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* less verbose logging + tracing based on method name

* add tracing per rpc call

* fix nits

* remove unsed feature

* fix build

* http make logging more human friendly

* unify logging format

* deps: make tracing hard dependency

* fix tests

* fix nit

* fix build

* fix nits

* Update core/src/client/async_client/mod.rs

* Update core/Cargo.toml

* Update core/src/lib.rs

* fix: use https conn for https

* enable integration tests for https and wss

* remove socket options of http client

* fix(rpc module): fail subscription with bad params

* draft; show my point

* fix tests

* fix build

* add tests for proc macros too

* add tests for bad params in proc macros

* fix nits

* commit all files

* add ugly fix for proc macro code

* add more user friendly API

* make SubscriptionSink::close take mut self

* fix grumbles

* show james some code

* Update core/src/server/rpc_module.rs

Co-authored-by: James Wilson <james@jsdw.me>

* remove needless clone

* fix build

* client fix docs + error type

* simplify code: merge connect reset and unsubscribe close reason

* remove unknown close reason

* refactor: remove Error::SubscriptionClosed

* add some nice APIs to ErrorObjectOwned

* unify api

* address grumbles

* remove redundant methods for close and reject

* proc macro: compile err when subscription -> Result

* rpc module: fix test subscription test

* Update core/src/server/rpc_module.rs

Co-authored-by: James Wilson <james@jsdw.me>

* Update core/src/server/rpc_module.rs

Co-authored-by: James Wilson <james@jsdw.me>

* Update core/src/server/rpc_module.rs

Co-authored-by: James Wilson <james@jsdw.me>

* Update core/src/server/rpc_module.rs

Co-authored-by: James Wilson <james@jsdw.me>

* Update core/src/server/rpc_module.rs

Co-authored-by: James Wilson <james@jsdw.me>

* Update proc-macros/src/lib.rs

Co-authored-by: James Wilson <james@jsdw.me>

* address grumbles

* remove faulty comment

* Update core/src/server/rpc_module.rs

Co-authored-by: David <dvdplm@gmail.com>

* Update core/src/server/rpc_module.rs

Co-authored-by: David <dvdplm@gmail.com>

* Update core/src/server/rpc_module.rs

Co-authored-by: David <dvdplm@gmail.com>

* Update core/src/server/rpc_module.rs

Co-authored-by: David <dvdplm@gmail.com>

* Update core/src/server/rpc_module.rs

Co-authored-by: David <dvdplm@gmail.com>

* fix: don't send `RPC Call failed: error`.

* remove debug assert

Co-authored-by: James Wilson <james@jsdw.me>
Co-authored-by: David <dvdplm@gmail.com>

* refactor: get rid off `Error::Request` variant

* fix nit

* to_owned -> to_call_error

* fix(http client): set reuseaddr and nodelay.

* configure socket for https too

* http server: `set_reuse_port`

* fix windows build

* revert http server changes

* fix build with latest syn

* feat(client): support request id as Strings.

* add tests for Id::String

* address grumbles: move id_kind to RequestManager

* Update client/http-client/src/client.rs

* types: take ref to `ID` get rid of some `Clone`

* remove more clone

* grumbles: rename tests

* extract ws client to async client

* bring back jsonrpsee-ws-client crate

* new crate core client

* add missing file

* jsonrpsee crate: add core client

* rexport core client

* more re-exports

* downgrade trait bounds

* update version

* fix nits

* send close reason

* Update types/src/traits.rs

* move 'TEN_MB_CONST' to core

* Update client/core-client/Cargo.toml

Co-authored-by: David <dvdplm@gmail.com>

* Update client/core-client/src/lib.rs

Co-authored-by: David <dvdplm@gmail.com>

* cargo fmt

* Update client/ws-client/src/lib.rs

Co-authored-by: David <dvdplm@gmail.com>

* Update client/ws-client/src/lib.rs

Co-authored-by: David <dvdplm@gmail.com>

* move `async-client` core

The `async-client` is hidden behind a new feature flag `async-client`
because it brings in additional dependecies such as tokio rt.

* fix docs

* add example how to use "core client"

* fix build

* Update http-server/Cargo.toml

* Update client/transport/Cargo.toml

Co-authored-by: David <dvdplm@gmail.com>