[PATCH 04/32] char: Factor out qmp_add_client() parts and move to chardev/

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Code moves from MAINTAINERS section "QMP" to "Character device
backends".

Signed-off-by: Markus Armbruster <armbru@xxxxxxxxxx>
---
 include/monitor/qmp-helpers.h |  3 +++
 chardev/char.c                | 20 ++++++++++++++++++++
 monitor/qmp-cmds.c            | 13 ++-----------
 3 files changed, 25 insertions(+), 11 deletions(-)

diff --git a/include/monitor/qmp-helpers.h b/include/monitor/qmp-helpers.h
index 4718c63c73..318c3357a2 100644
--- a/include/monitor/qmp-helpers.h
+++ b/include/monitor/qmp-helpers.h
@@ -22,5 +22,8 @@ bool qmp_add_client_vnc(int fd, bool has_skipauth, bool skipauth,
 bool qmp_add_client_dbus_display(int fd, bool has_skipauth, bool skipauth,
                         bool has_tls, bool tls, Error **errp);
 #endif
+bool qmp_add_client_char(int fd, bool has_skipauth, bool skipauth,
+                         bool has_tls, bool tls, const char *protocol,
+                         Error **errp);
 
 #endif
diff --git a/chardev/char.c b/chardev/char.c
index 87ab6efbcc..11eab7764c 100644
--- a/chardev/char.c
+++ b/chardev/char.c
@@ -25,6 +25,7 @@
 #include "qemu/osdep.h"
 #include "qemu/cutils.h"
 #include "monitor/monitor.h"
+#include "monitor/qmp-helpers.h"
 #include "qemu/config-file.h"
 #include "qemu/error-report.h"
 #include "qemu/qemu-print.h"
@@ -1166,6 +1167,25 @@ void qmp_chardev_send_break(const char *id, Error **errp)
     qemu_chr_be_event(chr, CHR_EVENT_BREAK);
 }
 
+bool qmp_add_client_char(int fd, bool has_skipauth, bool skipauth,
+                         bool has_tls, bool tls, const char *protocol,
+                         Error **errp)
+{
+    Chardev *s = qemu_chr_find(protocol);
+
+    if (!s) {
+        error_setg(errp, "protocol '%s' is invalid", protocol);
+        close(fd);
+        return false;
+    }
+    if (qemu_chr_add_client(s, fd) < 0) {
+        error_setg(errp, "failed to add client");
+        close(fd);
+        return false;
+    }
+    return true;
+}
+
 /*
  * Add a timeout callback for the chardev (in milliseconds), return
  * the GSource object created. Please use this to add timeout hook for
diff --git a/monitor/qmp-cmds.c b/monitor/qmp-cmds.c
index 743849c0b5..e5ab77f6c6 100644
--- a/monitor/qmp-cmds.c
+++ b/monitor/qmp-cmds.c
@@ -17,7 +17,6 @@
 #include "monitor/monitor.h"
 #include "monitor/qmp-helpers.h"
 #include "sysemu/sysemu.h"
-#include "chardev/char.h"
 #include "sysemu/kvm.h"
 #include "sysemu/runstate.h"
 #include "sysemu/runstate-action.h"
@@ -174,7 +173,6 @@ void qmp_add_client(const char *protocol, const char *fdname,
         { "@dbus-display", qmp_add_client_dbus_display },
 #endif
     };
-    Chardev *s;
     int fd, i;
 
     fd = monitor_get_fd(monitor_cur(), fdname, errp);
@@ -192,16 +190,9 @@ void qmp_add_client(const char *protocol, const char *fdname,
         }
     }
 
-    s = qemu_chr_find(protocol);
-    if (!s) {
-        error_setg(errp, "protocol '%s' is invalid", protocol);
+    if (!qmp_add_client_char(fd, has_skipauth, skipauth, has_tls, tls,
+                             protocol, errp)) {
         close(fd);
-        return;
-    }
-    if (qemu_chr_add_client(s, fd) < 0) {
-        error_setg(errp, "failed to add client");
-        close(fd);
-        return;
     }
 }
 
-- 
2.39.0




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