X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fafb-ws.c;h=4e0138a83d4758d39958f7a2cc055fc9cc2d6e56;hb=c6b4fa9e2c35d5c8bdbf929b6f1622f31afd35c9;hp=a7582794a0617acd6e9ceb3f03c17c5890785d84;hpb=904f490e7d70653bb54b53d3bc7c7bead45be844;p=src%2Fapp-framework-binder.git

diff --git a/src/afb-ws.c b/src/afb-ws.c
index a7582794..4e0138a8 100644
--- a/src/afb-ws.c
+++ b/src/afb-ws.c
@@ -24,6 +24,7 @@
 #include <sys/uio.h>
 #include <string.h>
 #include <stdarg.h>
+#include <poll.h>
 
 #include <systemd/sd-event.h>
 
@@ -200,6 +201,14 @@ void afb_ws_hangup(struct afb_ws *ws)
 	aws_disconnect(ws, 1);
 }
 
+/*
+ * Is the websocket 'ws' still connected ?
+ */
+int afb_ws_is_connected(struct afb_ws *ws)
+{
+	return ws->ws != NULL;
+}
+
 /*
  * Sends a 'close' command to the endpoint of 'ws' with the 'code' and the
  * 'reason' (that can be NULL and that else should not be greater than 123
@@ -329,10 +338,21 @@ int afb_ws_binary_v(struct afb_ws *ws, const struct iovec *iovec, int count)
 static ssize_t aws_writev(struct afb_ws *ws, const struct iovec *iov, int iovcnt)
 {
 	ssize_t rc;
-	do {
+	for (;;) {
 		rc = writev(ws->fd, iov, iovcnt);
-	} while(rc == -1 && errno == EINTR);
-	return rc;
+		if (rc == -1) {
+			if (errno == EINTR)
+				continue;
+			else if (errno == EAGAIN) {
+				struct pollfd pfd;
+				pfd.fd = ws->fd;
+				pfd.events = POLLOUT;
+				poll(&pfd, 1, 10);
+				continue;
+			}
+		}
+		return rc;
+	}
 }
 
 /*
@@ -344,7 +364,9 @@ static ssize_t aws_readv(struct afb_ws *ws, const struct iovec *iov, int iovcnt)
 	do {
 		rc = readv(ws->fd, iov, iovcnt);
 	} while(rc == -1 && errno == EINTR);
-	if (rc == 0) {
+	if (rc == -1 && errno == EAGAIN) {
+		rc = 0;
+	} else if (rc == 0) {
 		errno = EPIPE;
 		rc = -1;
 	}