Added usbmuxd_recv, usbmuxd_recv_timeout, usbmuxd_send, and usbmuxd_disconnect

2 files changed, 92 insertions, 0 deletions

diff --git a/src/libusbmuxd.c b/src/libusbmuxd.c
index c8acbf8..4cd0a6d 100644
--- a/src/libusbmuxd.c
+++ b/src/libusbmuxd.c
@@ -200,3 +200,49 @@ int usbmuxd_connect(const int handle, const unsigned short tcp_port)
 
         return -1;
 }
+
+int usbmuxd_disconnect(int sfd)
+{
+        return close(sfd);
+}
+
+int usbmuxd_send(int sfd, const char *data, uint32_t len, uint32_t *sent_bytes)
+{
+        int num_sent;
+
+        if (sfd < 0) {
+                return -EINVAL;
+        }
+        
+        num_sent = send(sfd, (void*)data, len, 0);
+        if (num_sent < 0) {
+                *sent_bytes = 0;
+                fprintf(stderr, "%s: Error %d when sending: %s\n", __func__, num_sent, strerror(errno));
+                return num_sent;
+        } else if ((uint32_t)num_sent < len) {
+                fprintf(stderr, "%s: Warning: Did not send enough (only %d of %d)\n", __func__, num_sent, len);
+        }
+
+        *sent_bytes = num_sent;
+
+        return 0;
+}
+
+int usbmuxd_recv_timeout(int sfd, char *data, uint32_t len, uint32_t *recv_bytes, unsigned int timeout)
+{
+        int num_recv = recv_buf_timeout(sfd, (void*)data, len, 0, timeout);
+        if (num_recv < 0) {
+                *recv_bytes = 0;
+                return num_recv;
+        }
+
+        *recv_bytes = num_recv;
+
+        return 0;
+}
+
+int usbmuxd_recv(int sfd, char *data, uint32_t len, uint32_t *recv_bytes)
+{
+        return usbmuxd_recv_timeout(sfd, data, len, recv_bytes, 5000);
+}
+
diff --git a/src/usbmuxd.h b/src/usbmuxd.h
index 15e97ee..ba45ec3 100644
--- a/src/usbmuxd.h
+++ b/src/usbmuxd.h
@@ -42,4 +42,50 @@ int usbmuxd_scan(usbmuxd_scan_result **available_devices);
  */
 int usbmuxd_connect(const int handle, const unsigned short tcp_port);
 
+/**
+ * Disconnect. For now, this just closes the socket file descriptor.
+ *
+ * @param sfd socker file descriptor returned by usbmuxd_connect()
+ *
+ * @return 0 on success, -1 on error.
+ */
+int usbmuxd_disconnect(int sfd);
+
+/**
+ * Send data to the specified socket.
+ *
+ * @param sfd socket file descriptor returned by usbmuxd_connect()
+ * @param data buffer to send
+ * @param len size of buffer to send
+ * @param sent_bytes how many bytes sent
+ *
+ * @return 0 on success, a negative errno value otherwise.
+ */
+int usbmuxd_send(int sfd, const char *data, uint32_t len, uint32_t *sent_bytes);
+
+/**
+ * Receive data from the specified socket.
+ *
+ * @param sfd socket file descriptor returned by usbmuxd_connect()
+ * @param data buffer to put the data to
+ * @param len number of bytes to receive
+ * @param recv_bytes number of bytes received
+ * @param timeout how many milliseconds to wait for data
+ *
+ * @return 0 on success, a negative errno value otherwise.
+ */
+int usbmuxd_recv_timeout(int sfd, char *data, uint32_t len, uint32_t *recv_bytes, unsigned int timeout);
+
+/**
+ * Receive data from the specified socket with a default timeout.
+ *
+ * @param sfd socket file descriptor returned by usbmuxd_connect()
+ * @param data buffer to put the data to
+ * @param len number of bytes to receive
+ * @param recv_bytes number of bytes received
+ *
+ * @return 0 on success, a negative errno value otherwise.
+ */
+int usbmuxd_recv(int sfd, char *data, uint32_t len, uint32_t *recv_bytes);
+
 #endif /* __USBMUXD_H */