From 1264cb404f460576690f52fdc8032b74de0bc04e Mon Sep 17 00:00:00 2001 From: Daniel Willmann Date: Thu, 21 Oct 2010 15:00:36 +0200 Subject: Add libctrl, an SNMP-like control interface In contrast to the VTY interface the control interface is meant to be used by programs. This patch adds basic support, no commands are defined. --- openbsc/include/openbsc/control_cmd.h | 81 +++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 openbsc/include/openbsc/control_cmd.h (limited to 'openbsc/include') diff --git a/openbsc/include/openbsc/control_cmd.h b/openbsc/include/openbsc/control_cmd.h new file mode 100644 index 00000000..8d543ee8 --- /dev/null +++ b/openbsc/include/openbsc/control_cmd.h @@ -0,0 +1,81 @@ +#ifndef _CONTROL_CMD_H +#define _CONTROL_CMD_H + +#include +#include + +#include + +#define CTRL_CMD_ERROR -1 +#define CTRL_CMD_HANDLED 0 +#define CTRL_CMD_REPLY 1 + +enum ctrl_node_type { + CTRL_NODE_ROOT, /* Root elements */ + CTRL_NODE_NET, /* Network specific (net.) */ + CTRL_NODE_BTS, /* BTS specific (net.btsN.) */ + CTRL_NODE_TRX, /* TRX specific (net.btsN.trxM.) */ + CTRL_NODE_TS, /* TS specific (net.btsN.trxM.tsI.) */ + _LAST_CTRL_NODE +}; + +enum ctrl_type { + CTRL_TYPE_UNKNOWN, + CTRL_TYPE_GET, + CTRL_TYPE_SET, + CTRL_TYPE_GET_REPLY, + CTRL_TYPE_SET_REPLY, + CTRL_TYPE_TRAP, + CTRL_TYPE_ERROR +}; + +struct ctrl_connection { + struct llist_head list_entry; + + /* The queue for sending data back */ + struct osmo_wqueue write_queue; + + /* Callback if the connection was closed */ + void (*closed_cb)(struct ctrl_connection *conn); + + /* Pending commands for this connection */ + struct llist_head cmds; +}; + +struct ctrl_cmd { + struct ctrl_connection *ccon; + enum ctrl_type type; + char *id; + void *node; + char *variable; + char *value; + char *reply; +}; + +struct ctrl_cmd_struct { + int nr_commands; + char **command; +}; + +struct ctrl_cmd_element { + const char *name; + const char *param; + struct ctrl_cmd_struct strcmd; + int (*set)(struct ctrl_cmd *cmd, void *data); + int (*get)(struct ctrl_cmd *cmd, void *data); + int (*verify)(struct ctrl_cmd *cmd, const char *value, void *data); +}; + +struct ctrl_cmd_map { + char *cmd; + enum ctrl_type type; +}; + +int ctrl_cmd_exec(vector vline, struct ctrl_cmd *command, vector node, void *data); +int ctrl_cmd_install(enum ctrl_node_type node, struct ctrl_cmd_element *cmd); +int ctrl_cmd_handle(struct ctrl_cmd *cmd, void *data); +int ctrl_cmd_send(struct osmo_wqueue *queue, struct ctrl_cmd *cmd); +struct ctrl_cmd *ctrl_cmd_parse(void *ctx, struct msgb *msg); +struct msgb *ctrl_cmd_make(struct ctrl_cmd *cmd); + +#endif /* _CONTROL_CMD_H */ -- cgit v1.2.3