X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fsessiond-comm%2Fagent.h;h=84c66b8b754a38358b832fc4dfd7233734cad38e;hb=2a85be8e0e679da996b48252b1d9aebb9bb29126;hp=574f8891f20bc8211e1160e3038d2c97ec1b9707;hpb=23c2bd47c5ccd0e41e6f9e27fed5cdcfa0ed00f4;p=lttng-tools.git

diff --git a/src/common/sessiond-comm/agent.h b/src/common/sessiond-comm/agent.h
index 574f8891f..84c66b8b7 100644
--- a/src/common/sessiond-comm/agent.h
+++ b/src/common/sessiond-comm/agent.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License, version 2 only, as
@@ -18,28 +19,33 @@
 #ifndef AGENT_COMM
 #define AGENT_COMM
 
-#define _GNU_SOURCE
 #include <stdint.h>
 
+#include <common/macros.h>
 #include <lttng/lttng.h>
 
 /*
- * Command value pass in the header.
+ * Command value passed in the header.
  */
 enum lttcomm_agent_command {
-	AGENT_CMD_LIST       = 1,
-	AGENT_CMD_ENABLE     = 2,
-	AGENT_CMD_DISABLE    = 3,
-	AGENT_CMD_REG_DONE   = 4,	/* End registration process. */
+	AGENT_CMD_LIST			= 1,
+	AGENT_CMD_ENABLE		= 2,
+	AGENT_CMD_DISABLE		= 3,
+	AGENT_CMD_REG_DONE		= 4,	/* End registration process. */
+	AGENT_CMD_APP_CTX_ENABLE	= 5,
+	AGENT_CMD_APP_CTX_DISABLE	= 6,
 };
 
 /*
- * Return code from the Java agent.
+ * Return codes from the agent.
  */
 enum lttcomm_agent_ret_code {
-	AGENT_RET_CODE_SUCCESS      = 1,
-	AGENT_RET_CODE_INVALID      = 2,
-	AGENT_RET_CODE_UNKNOWN_NAME = 3,
+	/* Success, assumed to be the first entry */
+	AGENT_RET_CODE_SUCCESS		= 1,
+	/* Invalid command */
+	AGENT_RET_CODE_INVALID		= 2,
+	/* Unknown logger name */
+	AGENT_RET_CODE_UNKNOWN_NAME	= 3,
 	AGENT_RET_CODE_NR,
 };
 
@@ -53,23 +59,25 @@ struct lttcomm_agent_hdr {
 } LTTNG_PACKED;
 
 /*
- * Enable event command payload.
+ * Enable event command payload. Will be immediately followed by the
+ * variable-length string representing the filter expression.
  */
-struct lttcomm_agent_enable {
-	uint32_t loglevel;
+struct lttcomm_agent_enable_event {
+	uint32_t loglevel_value;
 	uint32_t loglevel_type;
 	char name[LTTNG_SYMBOL_NAME_LEN];
+	uint32_t filter_expression_length;
 } LTTNG_PACKED;
 
 /*
  * Disable event command payload.
  */
-struct lttcomm_agent_disable {
+struct lttcomm_agent_disable_event {
 	char name[LTTNG_SYMBOL_NAME_LEN];
 } LTTNG_PACKED;
 
 /*
- * Generic reply coming from the Java Agent.
+ * Generic reply coming from the agent.
  */
 struct lttcomm_agent_generic_reply {
 	uint32_t ret_code;
@@ -84,7 +92,7 @@ struct lttcomm_agent_list_reply_hdr {
 } LTTNG_PACKED;
 
 /*
- * List command reply payload coming from the Java Agent.
+ * List command reply payload coming from the agent.
  */
 struct lttcomm_agent_list_reply {
 	uint32_t nb_event;