use customized rpc implementation, remove Tarpc & Tonic (#348)

This patch removes Tarpc & Tonic GRPC and implements a customized rpc framework, which can be used by peer rpc and cli interface.

web config server can also use this rpc framework.

moreover, rewrite the public server logic, use ospf route to implement public server based networking. this make public server mesh possible.

easytier/src/proto/common.rs

@@ -0,0 +1,131 @@
+use std::{fmt::Display, str::FromStr};
+
+include!(concat!(env!("OUT_DIR"), "/common.rs"));
+
+impl From<uuid::Uuid> for Uuid {
+    fn from(uuid: uuid::Uuid) -> Self {
+        let (high, low) = uuid.as_u64_pair();
+        Uuid { low, high }
+    }
+}
+
+impl From<Uuid> for uuid::Uuid {
+    fn from(uuid: Uuid) -> Self {
+        uuid::Uuid::from_u64_pair(uuid.high, uuid.low)
+    }
+}
+
+impl Display for Uuid {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", uuid::Uuid::from(self.clone()))
+    }
+}
+
+impl From<std::net::Ipv4Addr> for Ipv4Addr {
+    fn from(value: std::net::Ipv4Addr) -> Self {
+        Self {
+            addr: u32::from_be_bytes(value.octets()),
+        }
+    }
+}
+
+impl From<Ipv4Addr> for std::net::Ipv4Addr {
+    fn from(value: Ipv4Addr) -> Self {
+        std::net::Ipv4Addr::from(value.addr)
+    }
+}
+
+impl ToString for Ipv4Addr {
+    fn to_string(&self) -> String {
+        std::net::Ipv4Addr::from(self.addr).to_string()
+    }
+}
+
+impl From<std::net::Ipv6Addr> for Ipv6Addr {
+    fn from(value: std::net::Ipv6Addr) -> Self {
+        let b = value.octets();
+        Self {
+            low: u64::from_be_bytes([b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7]]),
+            high: u64::from_be_bytes([b[8], b[9], b[10], b[11], b[12], b[13], b[14], b[15]]),
+        }
+    }
+}
+
+impl From<Ipv6Addr> for std::net::Ipv6Addr {
+    fn from(value: Ipv6Addr) -> Self {
+        let low = value.low.to_be_bytes();
+        let high = value.high.to_be_bytes();
+        std::net::Ipv6Addr::from([
+            low[0], low[1], low[2], low[3], low[4], low[5], low[6], low[7], high[0], high[1],
+            high[2], high[3], high[4], high[5], high[6], high[7],
+        ])
+    }
+}
+
+impl ToString for Ipv6Addr {
+    fn to_string(&self) -> String {
+        std::net::Ipv6Addr::from(self.clone()).to_string()
+    }
+}
+
+impl From<url::Url> for Url {
+    fn from(value: url::Url) -> Self {
+        Url {
+            url: value.to_string(),
+        }
+    }
+}
+
+impl From<Url> for url::Url {
+    fn from(value: Url) -> Self {
+        url::Url::parse(&value.url).unwrap()
+    }
+}
+
+impl FromStr for Url {
+    type Err = url::ParseError;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        Ok(Url {
+            url: s.parse::<url::Url>()?.to_string(),
+        })
+    }
+}
+
+impl Display for Url {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.url)
+    }
+}
+
+impl From<std::net::SocketAddr> for SocketAddr {
+    fn from(value: std::net::SocketAddr) -> Self {
+        match value {
+            std::net::SocketAddr::V4(v4) => SocketAddr {
+                ip: Some(socket_addr::Ip::Ipv4(v4.ip().clone().into())),
+                port: v4.port() as u32,
+            },
+            std::net::SocketAddr::V6(v6) => SocketAddr {
+                ip: Some(socket_addr::Ip::Ipv6(v6.ip().clone().into())),
+                port: v6.port() as u32,
+            },
+        }
+    }
+}
+
+impl From<SocketAddr> for std::net::SocketAddr {
+    fn from(value: SocketAddr) -> Self {
+        match value.ip.unwrap() {
+            socket_addr::Ip::Ipv4(ip) => std::net::SocketAddr::V4(std::net::SocketAddrV4::new(
+                std::net::Ipv4Addr::from(ip),
+                value.port as u16,
+            )),
+            socket_addr::Ip::Ipv6(ip) => std::net::SocketAddr::V6(std::net::SocketAddrV6::new(
+                std::net::Ipv6Addr::from(ip),
+                value.port as u16,
+                0,
+                0,
+            )),
+        }
+    }
+}