diff options
Diffstat (limited to 'src/ctrl/control_if.c')
| -rw-r--r-- | src/ctrl/control_if.c | 81 |
1 files changed, 67 insertions, 14 deletions
diff --git a/src/ctrl/control_if.c b/src/ctrl/control_if.c index d50ddd0d..9b8a194a 100644 --- a/src/ctrl/control_if.c +++ b/src/ctrl/control_if.c @@ -698,14 +698,20 @@ struct ctrl_handle *ctrl_interface_setup(void *data, uint16_t port, static int ctrl_initialized = 0; /* global ctrl initialization */ -static int ctrl_init(void) +static int ctrl_init(unsigned int node_count) { int ret; - if (ctrl_initialized) + if (!node_count) + node_count = _LAST_CTRL_NODE; + OSMO_ASSERT(node_count >= _LAST_CTRL_NODE); + + if (ctrl_initialized) { + OSMO_ASSERT(ctrl_initialized == node_count); return 0; + } - ctrl_node_vec = vector_init(_LAST_CTRL_NODE); + ctrl_node_vec = vector_init(node_count); if (!ctrl_node_vec) goto err; @@ -720,7 +726,7 @@ static int ctrl_init(void) if (ret) goto err_vec; - ctrl_initialized = 1; + ctrl_initialized = node_count; return 0; err_vec: @@ -730,18 +736,24 @@ err: return -1; } -/*! Allocate a CTRL interface handle - * \param[in] ctx Tallo callocation context to be used +/*! Allocate a CTRL interface handle. + * \param[in] ctx Talloc allocation context to be used * \param[in] data Pointer which will be made available to each set_..() get_..() verify_..() control command function * \param[in] lookup Lookup function pointer, can be NULL + * \param[in] node_count Number of CTRL nodes to allocate, 0 for default. * \returns ctrl_handle pointer or NULL in case of errors + * + * Please see ctrl_interface_setup_dynip2() for a detailed description of \a + * node_count semantics. */ -struct ctrl_handle *ctrl_handle_alloc(void *ctx, void *data, ctrl_cmd_lookup lookup) +struct ctrl_handle *ctrl_handle_alloc2(void *ctx, void *data, + ctrl_cmd_lookup lookup, + unsigned int node_count) { struct ctrl_handle *ctrl; - ctrl_init(); + ctrl_init(node_count); ctrl = talloc_zero(ctx, struct ctrl_handle); if (!ctrl) @@ -755,23 +767,47 @@ struct ctrl_handle *ctrl_handle_alloc(void *ctx, void *data, ctrl_cmd_lookup loo return ctrl; } -/*! Setup CTRL interface on a given address +/*! Allocate a CTRL interface handle. + * \param[in] ctx Talloc allocation context to be used + * \param[in] data Pointer which will be made available to each + set_..() get_..() verify_..() control command function + * \param[in] lookup Lookup function pointer, can be NULL + * \returns ctrl_handle pointer or NULL in case of errors + */ +struct ctrl_handle *ctrl_handle_alloc(void *ctx, void *data, ctrl_cmd_lookup lookup) +{ + return ctrl_handle_alloc2(ctx, data, lookup, 0); +} + +/*! Setup CTRL interface on a given address. * \param[in] data Pointer which will be made available to each set_..() get_..() verify_..() control command function * \param[in] bind_addr Address on which CTRL socket shall listen * \param[in] port Port on which CTRL socket shall listen * \param[in] lookup Lookup function pointer, can be NULL + * \param[in] node_count Number of CTRL nodes to allocate, 0 for default. * \returns ctrl_handle pointer or NULL in case of errors + * + * Control interface nodes are identified by a node handle; some of these are + * defined in enum ctrl_node_type, here in libosmocore. However, applications + * defining own nodes may add own control nodes without having to extend the + * enum in libosmocore. For example, in the calling application, define an enum + * like "enum more_ctrl_nodes { CTRL_NODE_FOO = _LAST_CTRL_NODE, CTRL_NODE_BAR, + * _LAST_CTRL_NODE_EXTENDED }". In order to provide space for the additional + * control nodes, pass _LAST_CTRL_NODE_EXTENDED to the \a node_count parameter. + * Passing 0 is identical to passing _LAST_CTRL_NODE, i.e. to not define own + * control nodes apart from libosmocore ones. */ -struct ctrl_handle *ctrl_interface_setup_dynip(void *data, - const char *bind_addr, - uint16_t port, - ctrl_cmd_lookup lookup) +struct ctrl_handle *ctrl_interface_setup_dynip2(void *data, + const char *bind_addr, + uint16_t port, + ctrl_cmd_lookup lookup, + unsigned int node_count) { int ret; struct ctrl_handle *ctrl; - ctrl = ctrl_handle_alloc(data, data, lookup); + ctrl = ctrl_handle_alloc2(data, data, lookup, node_count); if (!ctrl) return NULL; @@ -789,6 +825,23 @@ struct ctrl_handle *ctrl_interface_setup_dynip(void *data, return ctrl; } +/*! Setup CTRL interface on a given address. + * \param[in] data Pointer which will be made available to each + set_..() get_..() verify_..() control command function + * \param[in] bind_addr Address on which CTRL socket shall listen + * \param[in] port Port on which CTRL socket shall listen + * \param[in] lookup Lookup function pointer, can be NULL + * \returns ctrl_handle pointer or NULL in case of errors + */ +struct ctrl_handle *ctrl_interface_setup_dynip(void *data, + const char *bind_addr, + uint16_t port, + ctrl_cmd_lookup lookup) +{ + return ctrl_interface_setup_dynip2(data, bind_addr, port, lookup, 0); +} + + /*! Install a lookup helper function for control nodes * This function is used by e.g. library code to install lookup helpers * for additional nodes in the control interface. |