dump: Move HMP command handlers to dump/

Move the HMP handlers related to qapi/dump.json to
dump/dump-hmp-cmds.c, where they are covered by MAINTAINERS section
"Dump", just like qapi/dump.json.

Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190619201050.19040-18-armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
[Commit message typo fixed]

2 files changed, 89 insertions, 0 deletions

diff --git a/dump/Makefile.objs b/dump/Makefile.objs
index ea6b074967..d2a5db3b81 100644
--- a/dump/Makefile.objs
+++ b/dump/Makefile.objs
@@ -1,2 +1,3 @@
 obj-y += dump.o
+common-obj-y += dump-hmp-cmds.o
 obj-$(TARGET_X86_64) += win_dump.o
diff --git a/dump/dump-hmp-cmds.c b/dump/dump-hmp-cmds.c
new file mode 100644
index 0000000000..3dbf44372c
--- /dev/null
+++ b/dump/dump-hmp-cmds.c
@@ -0,0 +1,88 @@
+/*
+ * Human Monitor Interface commands
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "monitor/hmp.h"
+#include "monitor/monitor.h"
+#include "qapi/error.h"
+#include "qapi/qapi-commands-dump.h"
+#include "qapi/qmp/qdict.h"
+
+void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict)
+{
+    Error *err = NULL;
+    bool win_dmp = qdict_get_try_bool(qdict, "windmp", false);
+    bool paging = qdict_get_try_bool(qdict, "paging", false);
+    bool zlib = qdict_get_try_bool(qdict, "zlib", false);
+    bool lzo = qdict_get_try_bool(qdict, "lzo", false);
+    bool snappy = qdict_get_try_bool(qdict, "snappy", false);
+    const char *file = qdict_get_str(qdict, "filename");
+    bool has_begin = qdict_haskey(qdict, "begin");
+    bool has_length = qdict_haskey(qdict, "length");
+    bool has_detach = qdict_haskey(qdict, "detach");
+    int64_t begin = 0;
+    int64_t length = 0;
+    bool detach = false;
+    enum DumpGuestMemoryFormat dump_format = DUMP_GUEST_MEMORY_FORMAT_ELF;
+    char *prot;
+
+    if (zlib + lzo + snappy + win_dmp > 1) {
+        error_setg(&err, "only one of '-z|-l|-s|-w' can be set");
+        hmp_handle_error(mon, &err);
+        return;
+    }
+
+    if (win_dmp) {
+        dump_format = DUMP_GUEST_MEMORY_FORMAT_WIN_DMP;
+    }
+
+    if (zlib) {
+        dump_format = DUMP_GUEST_MEMORY_FORMAT_KDUMP_ZLIB;
+    }
+
+    if (lzo) {
+        dump_format = DUMP_GUEST_MEMORY_FORMAT_KDUMP_LZO;
+    }
+
+    if (snappy) {
+        dump_format = DUMP_GUEST_MEMORY_FORMAT_KDUMP_SNAPPY;
+    }
+
+    if (has_begin) {
+        begin = qdict_get_int(qdict, "begin");
+    }
+    if (has_length) {
+        length = qdict_get_int(qdict, "length");
+    }
+    if (has_detach) {
+        detach = qdict_get_bool(qdict, "detach");
+    }
+
+    prot = g_strconcat("file:", file, NULL);
+
+    qmp_dump_guest_memory(paging, prot, true, detach, has_begin, begin,
+                          has_length, length, true, dump_format, &err);
+    hmp_handle_error(mon, &err);
+    g_free(prot);
+}
+
+void hmp_info_dump(Monitor *mon, const QDict *qdict)
+{
+    DumpQueryResult *result = qmp_query_dump(NULL);
+
+    assert(result && result->status < DUMP_STATUS__MAX);
+    monitor_printf(mon, "Status: %s\n", DumpStatus_str(result->status));
+
+    if (result->status == DUMP_STATUS_ACTIVE) {
+        float percent = 0;
+        assert(result->total != 0);
+        percent = 100.0 * result->completed / result->total;
+        monitor_printf(mon, "Finished: %.2f %%\n", percent);
+    }
+
+    qapi_free_DumpQueryResult(result);
+}