tcp: introduce common support code for TCP socket communication

[libsigrok.git] / src / libsigrok-internal.h

diff --git a/src/libsigrok-internal.h b/src/libsigrok-internal.h
index d6f6933a2f8db1695bec02ba0c2e82c83a9fea3c..a2c2bedd8a69830deacdcba94e66c0846a39f363 100644 (file)
--- a/src/libsigrok-internal.h
+++ b/src/libsigrok-internal.h
@@ -1588,6 +1588,13 @@ struct sr_usb_dev_inst {
 };
 #endif
 
+/** Raw TCP device instance. */
+struct sr_tcp_dev_inst {
+       char *host_addr;        /**!< IP address or host name */
+       char *tcp_port;         /**!< TCP port number/name */
+       int sock_fd;            /**!< TCP socket's file descriptor */
+};
+
 struct sr_serial_dev_inst;
 #ifdef HAVE_SERIAL_COMM
 struct ser_lib_functions;
@@ -2210,6 +2217,27 @@ SR_PRIV gboolean usb_match_manuf_prod(libusb_device *dev,
                const char *manufacturer, const char *product);
 #endif
 
+/*--- tcp.c -----------------------------------------------------------------*/
+
+SR_PRIV gboolean sr_fd_is_readable(int fd);
+
+SR_PRIV struct sr_tcp_dev_inst *sr_tcp_dev_inst_new(
+       const char *host_addr, const char *tcp_port);
+SR_PRIV void sr_tcp_dev_inst_free(struct sr_tcp_dev_inst *tcp);
+SR_PRIV int sr_tcp_get_port_path(struct sr_tcp_dev_inst *tcp,
+       const char *prefix, char separator, char *path, size_t path_len);
+SR_PRIV int sr_tcp_connect(struct sr_tcp_dev_inst *tcp);
+SR_PRIV int sr_tcp_disconnect(struct sr_tcp_dev_inst *tcp);
+SR_PRIV int sr_tcp_write_bytes(struct sr_tcp_dev_inst *tcp,
+       const uint8_t *data, size_t dlen);
+SR_PRIV int sr_tcp_read_bytes(struct sr_tcp_dev_inst *tcp,
+       uint8_t *data, size_t dlen, gboolean nonblocking);
+SR_PRIV int sr_tcp_source_add(struct sr_session *session,
+       struct sr_tcp_dev_inst *tcp, int events, int timeout,
+       sr_receive_data_callback cb, void *cb_data);
+SR_PRIV int sr_tcp_source_remove(struct sr_session *session,
+       struct sr_tcp_dev_inst *tcp);
+
 /*--- binary_helpers.c ------------------------------------------------------*/
 
 /** Binary value type */