Merge pull request #10566 from muxi/fix-trailer-only
Send `content-type` header on trailer-only responses
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
index e2816b0..7323f4c 100644
--- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
@@ -1890,6 +1890,7 @@
grpc_slice hdr;
grpc_slice status_hdr;
grpc_slice http_status_hdr;
+ grpc_slice content_type_hdr;
grpc_slice message_pfx;
uint8_t *p;
uint32_t len = 0;
@@ -1923,6 +1924,42 @@
*p++ = '0';
GPR_ASSERT(p == GRPC_SLICE_END_PTR(http_status_hdr));
len += (uint32_t)GRPC_SLICE_LENGTH(http_status_hdr);
+
+ content_type_hdr = grpc_slice_malloc(31);
+ p = GRPC_SLICE_START_PTR(content_type_hdr);
+ *p++ = 0x00;
+ *p++ = 12;
+ *p++ = 'c';
+ *p++ = 'o';
+ *p++ = 'n';
+ *p++ = 't';
+ *p++ = 'e';
+ *p++ = 'n';
+ *p++ = 't';
+ *p++ = '-';
+ *p++ = 't';
+ *p++ = 'y';
+ *p++ = 'p';
+ *p++ = 'e';
+ *p++ = 16;
+ *p++ = 'a';
+ *p++ = 'p';
+ *p++ = 'p';
+ *p++ = 'l';
+ *p++ = 'i';
+ *p++ = 'c';
+ *p++ = 'a';
+ *p++ = 't';
+ *p++ = 'i';
+ *p++ = 'o';
+ *p++ = 'n';
+ *p++ = '/';
+ *p++ = 'g';
+ *p++ = 'r';
+ *p++ = 'p';
+ *p++ = 'c';
+ GPR_ASSERT(p == GRPC_SLICE_END_PTR(content_type_hdr));
+ len += (uint32_t)GRPC_SLICE_LENGTH(content_type_hdr);
}
status_hdr = grpc_slice_malloc(15 + (grpc_status >= 10));
@@ -1992,6 +2029,7 @@
grpc_slice_buffer_add(&t->qbuf, hdr);
if (!s->sent_initial_metadata) {
grpc_slice_buffer_add(&t->qbuf, http_status_hdr);
+ grpc_slice_buffer_add(&t->qbuf, content_type_hdr);
}
grpc_slice_buffer_add(&t->qbuf, status_hdr);
grpc_slice_buffer_add(&t->qbuf, message_pfx);