[v7,07/20] qtest: add in-process incoming command handler

Commit Message

Alexander Bulekov Jan. 20, 2020, 5:54 a.m. UTC

The handler allows a qtest client to send commands to the server by
directly calling a function, rather than using a file/CharBackend

Signed-off-by: Alexander Bulekov <[e-mail]>
Reviewed-by: Stefan Hajnoczi <[e-mail]>
---
 include/sysemu/qtest.h |  1 +
 qtest.c                | 13 +++++++++++++
 2 files changed, 14 insertions(+)

Patch

diff --git a/include/sysemu/qtest.h b/include/sysemu/qtest.h
index e2f1047fd7..eedd3664f0 100644
--- a/include/sysemu/qtest.h
+++ b/include/sysemu/qtest.h
@@ -28,5 +28,6 @@  void qtest_server_init(const char *qtest_chrdev, const char *qtest_log, Error **
 
 void qtest_server_set_send_handler(void (*send)(void *, const char *),
                                  void *opaque);
+void qtest_server_inproc_recv(void *opaque, const char *buf);
 
 #endif
diff --git a/qtest.c b/qtest.c
index 938c3746d6..ad6eb6a526 100644
--- a/qtest.c
+++ b/qtest.c
@@ -803,3 +803,16 @@  bool qtest_driver(void)
 {
     return qtest_chr.chr != NULL;
 }
+
+void qtest_server_inproc_recv(void *dummy, const char *buf)
+{
+    static GString *gstr;
+    if (!gstr) {
+        gstr = g_string_new(NULL);
+    }
+    g_string_append(gstr, buf);
+    if (gstr->str[gstr->len - 1] == '\n') {
+        qtest_process_inbuf(NULL, gstr);
+        g_string_truncate(gstr, 0);
+    }
+}