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[PATCH v4 12/20] libqtest: add in-process qtest.c tx/rx handlers
From: |
Oleinik, Alexander |
Subject: |
[PATCH v4 12/20] libqtest: add in-process qtest.c tx/rx handlers |
Date: |
Wed, 30 Oct 2019 14:49:58 +0000 |
From: Alexander Oleinik <address@hidden>
Signed-off-by: Alexander Oleinik <address@hidden>
---
There's a particularily ugly line here:
qtest_client_set_tx_handler(qts,
(void (*)(QTestState *s, const char*, size_t)) send);
Since qtest.c has no knowledge of the QTestState, I'm not sure how to
avoid doing this, without adding back the *opaque that was present in
v3.
qtest.c | 2 +-
tests/libqtest.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++++
tests/libqtest.h | 5 +++++
3 files changed, 55 insertions(+), 1 deletion(-)
diff --git a/qtest.c b/qtest.c
index 9fbfa0f08f..f817a5d789 100644
--- a/qtest.c
+++ b/qtest.c
@@ -812,6 +812,6 @@ void qtest_server_inproc_recv(void *dummy, const char *buf,
size_t size)
g_string_append(gstr, buf);
if (gstr->str[gstr->len - 1] == '\n') {
qtest_process_inbuf(NULL, gstr);
- g_string_free(gstr, true);
+ g_string_truncate(gstr, 0);
}
}
diff --git a/tests/libqtest.c b/tests/libqtest.c
index ff3153daf2..6143af33da 100644
--- a/tests/libqtest.c
+++ b/tests/libqtest.c
@@ -71,6 +71,7 @@ static void qtest_client_set_tx_handler(QTestState *s,
static void qtest_client_set_rx_handler(QTestState *s,
GString * (*recv)(QTestState *));
+static GString *recv_str;
static int init_socket(const char *socket_path)
{
@@ -486,6 +487,7 @@ static GString *qtest_client_socket_recv_line(QTestState *s)
return line;
}
+
static gchar **qtest_rsp(QTestState *s, int expected_args)
{
GString *line;
@@ -1372,3 +1374,50 @@ static void qtest_client_set_rx_handler(QTestState *s,
{
s->ops.recv_line = recv;
}
+
+static GString *qtest_client_inproc_recv_line(QTestState *s)
+{
+ GString *line;
+ size_t offset;
+ char *eol;
+
+ eol = strchr(recv_str->str, '\n');
+ offset = eol - recv_str->str;
+ line = g_string_new_len(recv_str->str, offset);
+ g_string_erase(recv_str, 0, offset + 1);
+ return line;
+}
+
+QTestState *qtest_inproc_init(bool log, const char* arch,
+ void (*send)(void*, const char*, size_t))
+{
+ QTestState *qts;
+ qts = g_new(QTestState, 1);
+ qts->wstatus = 0;
+ for (int i = 0; i < MAX_IRQ; i++) {
+ qts->irq_level[i] = false;
+ }
+
+ qtest_client_set_rx_handler(qts, qtest_client_inproc_recv_line);
+ /* Re-cast the send pointer, since qtest.c should need to know about
+ * QTestState
+ */
+ qtest_client_set_tx_handler(qts,
+ (void (*)(QTestState *s, const char*, size_t)) send);
+
+ qts->big_endian = qtest_query_target_endianness(qts);
+ gchar *bin_path = g_strconcat("/qemu-system-", arch, NULL);
+ setenv("QTEST_QEMU_BINARY", bin_path, 0);
+ g_free(bin_path);
+
+ return qts;
+}
+
+void qtest_client_inproc_recv(void *opaque, const char *str, size_t len)
+{
+ if (!recv_str) {
+ recv_str = g_string_new(NULL);
+ }
+ g_string_append_len(recv_str, str, len);
+ return;
+}
diff --git a/tests/libqtest.h b/tests/libqtest.h
index 31267fc915..7251de4ba9 100644
--- a/tests/libqtest.h
+++ b/tests/libqtest.h
@@ -728,4 +728,9 @@ bool qtest_probe_child(QTestState *s);
* Set expected exit status of the child.
*/
void qtest_set_expected_status(QTestState *s, int status);
+
+
+QTestState *qtest_inproc_init(bool log, const char* arch,
+ void (*send)(void*, const char*, size_t));
+void qtest_client_inproc_recv(void *opaque, const char *str, size_t len);
#endif
--
2.23.0
- [PATCH v4 03/20] fuzz: Add FUZZ_TARGET module type, (continued)
- [PATCH v4 03/20] fuzz: Add FUZZ_TARGET module type, Oleinik, Alexander, 2019/10/30
- [PATCH v4 04/20] qtest: add qtest_server_send abstraction, Oleinik, Alexander, 2019/10/30
- [PATCH v4 11/20] libqtest: make qtest_bufwrite send "atomic", Oleinik, Alexander, 2019/10/30
- [PATCH v4 09/20] libqos: split qos-test and libqos makefile vars, Oleinik, Alexander, 2019/10/30
- [PATCH v4 06/20] module: check module wasn't already initialized, Oleinik, Alexander, 2019/10/30
- [PATCH v4 05/20] libqtest: Add a layer of abstraciton to send/recv, Oleinik, Alexander, 2019/10/30
- [PATCH v4 07/20] qtest: add in-process incoming command handler, Oleinik, Alexander, 2019/10/30
- [PATCH v4 02/20] libqos: Rename i2c_send and i2c_recv, Oleinik, Alexander, 2019/10/30
- [PATCH v4 08/20] tests: provide test variables to other targets, Oleinik, Alexander, 2019/10/30
- [PATCH v4 13/20] fuzz: add configure flag --enable-fuzzing, Oleinik, Alexander, 2019/10/30
- [PATCH v4 12/20] libqtest: add in-process qtest.c tx/rx handlers,
Oleinik, Alexander <=
- [PATCH v4 10/20] libqos: move useful qos-test funcs to qos_external, Oleinik, Alexander, 2019/10/30
- [PATCH v4 15/20] fuzz: add fuzzer skeleton, Oleinik, Alexander, 2019/10/30
- [PATCH v4 16/20] fuzz: add support for fork-based fuzzing., Oleinik, Alexander, 2019/10/30
- [PATCH v4 14/20] fuzz: Add target/fuzz makefile rules, Oleinik, Alexander, 2019/10/30
- [PATCH v4 18/20] fuzz: add i440fx fuzz targets, Oleinik, Alexander, 2019/10/30
- [PATCH v4 17/20] fuzz: add support for qos-assisted fuzz targets, Oleinik, Alexander, 2019/10/30
- [PATCH v4 20/20] fuzz: add documentation to docs/devel/, Oleinik, Alexander, 2019/10/30
- [PATCH v4 19/20] fuzz: add virtio-net fuzz target, Oleinik, Alexander, 2019/10/30
- Re: [PATCH v4 00/20] Add virtual device fuzzing support, no-reply, 2019/10/30