chore: rename quicproquo → quicprochat in Rust workspace

Rename all crate directories, package names, binary names, proto
package/module paths, ALPN strings, env var prefixes, config filenames,
mDNS service names, and plugin ABI symbols from quicproquo/qpq to
quicprochat/qpc.

examples/plugins/logging_plugin/Cargo.toml

@@ -5,11 +5,11 @@
 name    = "logging_plugin"
 version = "0.1.0"
 edition = "2021"
-description = "Reference quicproquo server plugin: logs all hook events to stderr."
+description = "Reference quicprochat server plugin: logs all hook events to stderr."
 license = "MIT"
 
 [lib]
 crate-type = ["cdylib"]
 
 [dependencies]
-quicproquo-plugin-api = { path = "../../../crates/quicproquo-plugin-api" }
+quicprochat-plugin-api = { path = "../../../crates/quicprochat-plugin-api" }

examples/plugins/logging_plugin/src/lib.rs

@@ -1,4 +1,4 @@
-//! Reference quicproquo server plugin: logs all hook events to stderr.
+//! Reference quicprochat server plugin: logs all hook events to stderr.
 //!
 //! This plugin demonstrates every hook point in the `HookVTable` API.  It
 //! writes a single-line human-readable record to stderr for each server event.
@@ -15,14 +15,14 @@
 //! # Deploying
 //!
 //! ```bash
-//! cp target/release/liblogging_plugin.so /etc/qpq/plugins/
-//! qpq-server --plugin-dir /etc/qpq/plugins
+//! cp target/release/liblogging_plugin.so /etc/qpc/plugins/
+//! qpc-server --plugin-dir /etc/qpc/plugins
 //! ```
 
 use std::ffi::c_void;
 use std::slice;
 
-use quicproquo_plugin_api::{
+use quicprochat_plugin_api::{
     CAuthEvent, CChannelEvent, CFetchEvent, CMessageEvent, HookVTable, HOOK_CONTINUE, PLUGIN_OK,
 };
 
@@ -53,7 +53,7 @@ unsafe extern "C" fn on_message_enqueue(
 ) -> i32 {
     let e = &*event;
     eprintln!(
-        "[qpq-plugin:logging] enqueue: recipient={} payload_len={} seq={} has_sender={}",
+        "[qpc-plugin:logging] enqueue: recipient={} payload_len={} seq={} has_sender={}",
         hex_prefix(e.recipient_key, e.recipient_key_len),
         e.payload_len,
         e.seq,
@@ -67,11 +67,11 @@ unsafe extern "C" fn on_batch_enqueue(
     events: *const CMessageEvent,
     count: usize,
 ) {
-    eprintln!("[qpq-plugin:logging] batch_enqueue: count={}", count);
+    eprintln!("[qpc-plugin:logging] batch_enqueue: count={}", count);
     let events = slice::from_raw_parts(events, count);
     for (i, e) in events.iter().enumerate() {
         eprintln!(
-            "[qpq-plugin:logging]   [{}/{}] recipient={} seq={}",
+            "[qpc-plugin:logging]   [{}/{}] recipient={} seq={}",
             i + 1,
             count,
             hex_prefix(e.recipient_key, e.recipient_key_len),
@@ -84,11 +84,11 @@ unsafe extern "C" fn on_auth(_user_data: *mut c_void, event: *const CAuthEvent)
     let e = &*event;
     let username = str_from_raw(e.username, e.username_len);
     if e.success != 0 {
-        eprintln!("[qpq-plugin:logging] auth: user='{}' SUCCESS", username);
+        eprintln!("[qpc-plugin:logging] auth: user='{}' SUCCESS", username);
     } else {
         let reason = str_from_raw(e.failure_reason, e.failure_reason_len);
         eprintln!(
-            "[qpq-plugin:logging] auth: user='{}' FAILURE reason='{}'",
+            "[qpc-plugin:logging] auth: user='{}' FAILURE reason='{}'",
             username, reason
         );
     }
@@ -100,7 +100,7 @@ unsafe extern "C" fn on_channel_created(
 ) {
     let e = &*event;
     eprintln!(
-        "[qpq-plugin:logging] channel_created: channel={} was_new={} initiator={}",
+        "[qpc-plugin:logging] channel_created: channel={} was_new={} initiator={}",
         hex_prefix(e.channel_id, e.channel_id_len),
         e.was_new != 0,
         hex_prefix(e.initiator_key, e.initiator_key_len),
@@ -111,7 +111,7 @@ unsafe extern "C" fn on_fetch(_user_data: *mut c_void, event: *const CFetchEvent
     let e = &*event;
     if e.message_count > 0 {
         eprintln!(
-            "[qpq-plugin:logging] fetch: recipient={} count={}",
+            "[qpc-plugin:logging] fetch: recipient={} count={}",
             hex_prefix(e.recipient_key, e.recipient_key_len),
             e.message_count,
         );
@@ -127,7 +127,7 @@ unsafe extern "C" fn on_user_registered(
 ) {
     let name = str_from_raw(username, username_len);
     eprintln!(
-        "[qpq-plugin:logging] user_registered: user='{}' key={}",
+        "[qpc-plugin:logging] user_registered: user='{}' key={}",
         name,
         hex_prefix(identity_key, identity_key_len),
     );
@@ -139,9 +139,9 @@ unsafe extern "C" fn on_user_registered(
 ///
 /// # Safety
 ///
-/// `vtable` must point to a zeroed `HookVTable` as provided by `qpq-server`.
+/// `vtable` must point to a zeroed `HookVTable` as provided by `qpc-server`.
 #[no_mangle]
-pub unsafe extern "C" fn qpq_plugin_init(vtable: *mut HookVTable) -> i32 {
+pub unsafe extern "C" fn qpc_plugin_init(vtable: *mut HookVTable) -> i32 {
     if vtable.is_null() {
         return -1;
     }
@@ -157,6 +157,6 @@ pub unsafe extern "C" fn qpq_plugin_init(vtable: *mut HookVTable) -> i32 {
     v.on_user_registered = Some(on_user_registered);
     // error_message and destroy not needed (no state, never rejects).
 
-    eprintln!("[qpq-plugin:logging] initialized");
+    eprintln!("[qpc-plugin:logging] initialized");
     PLUGIN_OK
 }