From e5739641047f800d5c8395d57087c8acf28537d0 Mon Sep 17 00:00:00 2001
From: Marko Lindqvist <cazfi74@gmail.com>
Date: Sat, 17 Sep 2022 05:48:13 +0300
Subject: [PATCH 09/31] Add server support for (web-)client to request CMA

See osdn #45485

Signed-off-by: Marko Lindqvist <cazfi74@gmail.com>
---
 common/networking/packets.def | 13 +++++++++--
 fc_version                    |  2 +-
 server/cityhand.c             | 41 +++++++++++++++++++++++++++++++++++
 3 files changed, 53 insertions(+), 3 deletions(-)

diff --git a/common/networking/packets.def b/common/networking/packets.def
index 93910bbb41..d0e42d68cb 100644
--- a/common/networking/packets.def
+++ b/common/networking/packets.def
@@ -2380,13 +2380,22 @@ PACKET_WEB_CITY_INFO_ADDITION = 256; sc, lsend, is-game-info, force, cancel(PACK
   TURN granary_turns;
 end
 
-PACKET_WEB_PLAYER_INFO_ADDITION = 257; sc, is-info, handle-via-fields
+PACKET_WEB_CMA_SET = 257; cs, handle-via-fields
+  CITY id; key
+  CM_PARAMETER cm_parameter;
+end
+
+PACKET_WEB_CMA_CLEAR = 258; cs, handle-via-fields
+  CITY id;
+end
+
+PACKET_WEB_PLAYER_INFO_ADDITION = 259; sc, is-info, handle-via-fields
   PLAYER playerno; key
 
   UINT32 expected_income;
 end
 
-PACKET_WEB_RULESET_UNIT_ADDITION = 258; sc, lsend, handle-via-fields
+PACKET_WEB_RULESET_UNIT_ADDITION = 260; sc, lsend, handle-via-fields
   UNIT_TYPE id; key
 
   BV_ACTIONS utype_actions;
diff --git a/fc_version b/fc_version
index 233b104614..4296f43548 100755
--- a/fc_version
+++ b/fc_version
@@ -60,7 +60,7 @@ DEFAULT_FOLLOW_TAG=S3_2
 #   - No new mandatory capabilities can be added to the release branch; doing
 #     so would break network capability of supposedly "compatible" releases.
 #
-NETWORK_CAPSTRING="+Freeciv.Devel-3.2-2022.Sep.15"
+NETWORK_CAPSTRING="+Freeciv.Devel-3.2-2022.Sep.17"
 
 FREECIV_DISTRIBUTOR=""
 
diff --git a/server/cityhand.c b/server/cityhand.c
index cd7723412f..6cd405a895 100644
--- a/server/cityhand.c
+++ b/server/cityhand.c
@@ -560,3 +560,44 @@ void handle_city_rally_point(struct player *pplayer,
 
   send_city_info(pplayer, pcity);
 }
+
+/**********************************************************************//**
+  Handles a request to change city CMA settings.
+**************************************************************************/
+void handle_web_cma_set(struct player *pplayer, int id,
+                        const struct cm_parameter *param)
+{
+  /* Supported only in freeciv-web builds for now -
+   * Let's be cautious for now, and not give any chance
+   * of client requests of server side CMA to overload
+   * server from a standard build. */
+#ifdef FREECIV_WEB
+  struct city *pcity = player_city_by_number(pplayer, id);
+
+  if (pcity != NULL) {
+    if (pcity->cm_parameter == NULL) {
+      pcity->cm_parameter = fc_calloc(1, sizeof(struct cm_parameter));
+    }
+
+    cm_copy_parameter(pcity->cm_parameter, param);
+
+    auto_arrange_workers(pcity);
+
+    sync_cities();
+  }
+#endif /* FREECIV_WEB */
+}
+
+/**********************************************************************//**
+  Handles a request to clear city CMA settings.
+**************************************************************************/
+void handle_web_cma_clear(struct player *pplayer, int id)
+{
+  struct city *pcity = player_city_by_number(pplayer, id);
+
+  if (pcity != NULL) {
+    free(pcity->cm_parameter);
+    pcity->cm_parameter = NULL;
+    send_city_info(pplayer, pcity);
+  }
+}
-- 
2.35.1