# HG changeset patch
# User David Demelier <markand@malikania.fr>
# Date 1511273525 -3600
# Node ID 8d9662b2beeeafea6ce47bbd9635e6359171b6d5
# Parent  7051034bf2ee1ad2fbe0db20e5c1d72b1d34a5a6
Irccd: unify handlers, take error code as first argument

diff -r 7051034bf2ee -r 8d9662b2beee libirccd/irccd/transport_client.cpp
--- a/libirccd/irccd/transport_client.cpp	Tue Nov 21 13:40:39 2017 +0100
+++ b/libirccd/irccd/transport_client.cpp	Tue Nov 21 15:12:05 2017 +0100
@@ -59,7 +59,7 @@
 
     do_recv(input_, [this, self, handler] (auto code, auto xfer) {
         if (code || xfer == 0) {
-            handler("", code);
+            handler(code, nullptr);
             close();
             return;
         }
@@ -72,16 +72,18 @@
         // Remove early in case of errors.
         input_.consume(xfer);
 
-        try {
-            auto json = nlohmann::json::parse(message);
+        nlohmann::json command;
 
-            if (!json.is_object())
-                handler(nullptr, network_errc::invalid_message);
-            else
-                handler(json, code);
+        try {
+            command = nlohmann::json::parse(message);
         } catch (...) {
-            handler(nullptr, network_errc::invalid_message);
+            handler(network_errc::invalid_message, nullptr);
         }
+
+        if (!command.is_object())
+            handler(network_errc::invalid_message, nullptr);
+        else
+            handler(network_errc::no_error, std::move(command));
     });
 }
 
diff -r 7051034bf2ee -r 8d9662b2beee libirccd/irccd/transport_client.hpp
--- a/libirccd/irccd/transport_client.hpp	Tue Nov 21 13:40:39 2017 +0100
+++ b/libirccd/irccd/transport_client.hpp	Tue Nov 21 15:12:05 2017 +0100
@@ -51,12 +51,12 @@
     /**
      * Callback on receive operation.
      */
-    using recv_t = std::function<void (const nlohmann::json&, const boost::system::error_code&)>;
+    using recv_t = std::function<void (boost::system::error_code, nlohmann::json)>;
 
     /**
      * Callback on send operation.
      */
-    using send_t = std::function<void (const boost::system::error_code&)>;
+    using send_t = std::function<void (boost::system::error_code)>;
 
     /**
      * Client state.
@@ -73,14 +73,14 @@
      *
      * The implementation should read until \r\n\r\n is found.
      */
-    using do_recv_handler_t = std::function<void (const boost::system::error_code&, std::size_t)>;
+    using do_recv_handler_t = std::function<void (boost::system::error_code, std::size_t)>;
 
     /**
      * Handler for do_send.
      *
      * The implementation must send the whole message.
      */
-    using do_send_handler_t = std::function<void (const boost::system::error_code&, std::size_t)>;
+    using do_send_handler_t = std::function<void (boost::system::error_code, std::size_t)>;
 
     /**
      * Input buffer.
diff -r 7051034bf2ee -r 8d9662b2beee libirccd/irccd/transport_server.cpp
--- a/libirccd/irccd/transport_server.cpp	Tue Nov 21 13:40:39 2017 +0100
+++ b/libirccd/irccd/transport_server.cpp	Tue Nov 21 15:12:05 2017 +0100
@@ -30,9 +30,11 @@
     assert(client);
     assert(handler);
 
-    client->recv([this, client, handler] (auto message, auto code) {
-        if (code)
-            handler(client, code);
+    client->recv([this, client, handler] (auto code, auto message) {
+        if (code) {
+            handler(std::move(code), std::move(client));
+            return;
+        }
 
         clients_.insert(client);
 
@@ -50,7 +52,7 @@
             code = network_errc::no_error;
         }
 
-        handler(client, code);
+        handler(std::move(code), std::move(client));
     });
 }
 
@@ -74,12 +76,12 @@
 
     client->send(greetings, [this, client, handler] (auto code) {
         if (code)
-            handler(client, code);
+            handler(std::move(code), std::move(client));
         else if (!password_.empty())
             do_auth(std::move(client), std::move(handler));
         else {
             clients_.insert(client);
-            handler(client, code);
+            handler(std::move(code), std::move(client));
         }
     });
 }
@@ -88,9 +90,9 @@
 {
     assert(handler);
 
-    do_accept([this, handler] (auto client, auto code) {
+    do_accept([this, handler] (auto code, auto client) {
         if (code)
-            handler(nullptr, code);
+            handler(std::move(code), nullptr);
         else
             do_greetings(std::move(client), std::move(handler));
     });
diff -r 7051034bf2ee -r 8d9662b2beee libirccd/irccd/transport_server.hpp
--- a/libirccd/irccd/transport_server.hpp	Tue Nov 21 13:40:39 2017 +0100
+++ b/libirccd/irccd/transport_server.hpp	Tue Nov 21 15:12:05 2017 +0100
@@ -52,7 +52,7 @@
     /**
      * Callback when a new client should be accepted.
      */
-    using accept_t = std::function<void (std::shared_ptr<transport_client>, boost::system::error_code)>;
+    using accept_t = std::function<void (boost::system::error_code, std::shared_ptr<transport_client>)>;
 
 private:
     client_set_t clients_;
@@ -192,9 +192,9 @@
 
     acceptor_.async_accept(client->socket(), [client, handler] (auto code) {
         if (!code)
-            handler(std::move(client), std::move(code));
+            handler(std::move(code), std::move(client));
         else
-            handler(nullptr, code);
+            handler(std::move(code), nullptr);
     });
 }
 
diff -r 7051034bf2ee -r 8d9662b2beee libirccd/irccd/transport_service.cpp
--- a/libirccd/irccd/transport_service.cpp	Tue Nov 21 13:40:39 2017 +0100
+++ b/libirccd/irccd/transport_service.cpp	Tue Nov 21 15:12:05 2017 +0100
@@ -53,15 +53,15 @@
 
 void transport_service::do_accept(transport_server& ts)
 {
-    ts.accept([this, &ts] (auto client, auto code) {
+    ts.accept([this, &ts] (auto code, auto client) {
         if (code)
             log::warning() << "transport: " << code.message() << std::endl;
         else {
-            client->recv([this, client] (auto json, auto code) {
+            client->recv([this, client] (auto code, auto json) {
                 if (code)
                     log::warning() << "transport: " << code.message() << std::endl;
                 else
-                    handle_command(client, json);
+                    handle_command(std::move(client), json);
             });
         }
 
diff -r 7051034bf2ee -r 8d9662b2beee libirccdctl/irccd/ctl/network_connection.hpp
--- a/libirccdctl/irccd/ctl/network_connection.hpp	Tue Nov 21 13:40:39 2017 +0100
+++ b/libirccdctl/irccd/ctl/network_connection.hpp	Tue Nov 21 15:12:05 2017 +0100
@@ -109,7 +109,10 @@
             handler(network_errc::invalid_message, nullptr);
         }
 
-        handler(network_errc::no_error, std::move(json));
+        if (!json.is_object())
+            handler(network_errc::invalid_message, nullptr);
+        else
+            handler(network_errc::no_error, std::move(json));
     });
 }