libamxb  4.8.2
Bus Agnostic C API
amxb_ba_priv.c File Reference
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <amxc/amxc.h>
#include <amxp/amxp.h>
#include <amxd/amxd_dm.h>
#include <amxd/amxd_object.h>
#include <amxb/amxb_be_intf.h>
#include <amxb/amxb.h>
#include <amxd/amxd_path.h>
#include "amxb_priv.h"

Go to the source code of this file.

Macros

#define _GNU_SOURCE
 

Functions

void amxb_dm_event_to_object_event (const char *const sig_name, const amxc_var_t *const data, void *const priv)
 
amxd_object_t * amxb_fetch_local_object (amxb_bus_ctx_t *ctx, const char *obj_path)
 
bool amxb_is_local_object (amxb_bus_ctx_t *ctx, const char *obj_path)
 
int amxb_follow_reference (amxb_bus_ctx_t *const bus_ctx, amxd_path_t *reference, int timeout)
 
uint32_t amxb_be_get_capabilities (amxb_bus_ctx_t *bus_ctx)
 

Macro Definition Documentation

◆ _GNU_SOURCE

#define _GNU_SOURCE

Definition at line 56 of file amxb_ba_priv.c.

Function Documentation

◆ amxb_be_get_capabilities()

uint32_t amxb_be_get_capabilities ( amxb_bus_ctx_t bus_ctx)

Definition at line 157 of file amxb_ba_priv.c.

157  {
159  const amxb_be_funcs_t* fns = NULL;
160 
161  when_null(bus_ctx, exit);
162  fns = bus_ctx->bus_fn;
163 
164  if(amxb_is_valid_be_func(fns, capabilities, fns->capabilities)) {
165  caps = fns->capabilities(bus_ctx->bus_ctx);
166  }
167 
168 exit:
169  return caps;
170 }
#define AMXB_BE_DISCOVER_RESOLVE
Definition: amxb_be_intf.h:344
#define AMXB_BE_DISCOVER_DESCRIBE
Definition: amxb_be_intf.h:341
#define AMXB_BE_DISCOVER_LIST
Definition: amxb_be_intf.h:342
#define amxb_is_valid_be_func(ft, member, ptr)
Definition: amxb_priv.h:78
static uint32_t caps
Definition: dummy_be.c:70
The back-end interface structure.
amxb_be_capabilities_fn_t capabilities
const amxb_be_funcs_t * bus_fn
Definition: amxb_types.h:121
void * bus_ctx
Definition: amxb_types.h:122
static amxb_bus_ctx_t * bus_ctx
Definition: test_amxb_e2e.c:84

◆ amxb_dm_event_to_object_event()

void amxb_dm_event_to_object_event ( const char *const  sig_name,
const amxc_var_t *const  data,
void *const  priv 
)

Definition at line 76 of file amxb_ba_priv.c.

78  {
79  amxc_htable_it_t* sub_hit = (amxc_htable_it_t*) priv;
80  const char* subscriber_object = amxc_htable_it_get_key(sub_hit);
81  amxb_bus_ctx_t* ctx = amxc_container_of(sub_hit->ait->array, amxb_bus_ctx_t, subscriptions);
82 
83  amxc_var_add_key(cstring_t, (amxc_var_t*) data, "notification", sig_name);
84  amxp_sigmngr_emit_signal(&ctx->sigmngr, subscriber_object, data);
85 }
amxp_signal_mngr_t sigmngr
Definition: amxb_types.h:120

◆ amxb_fetch_local_object()

amxd_object_t* amxb_fetch_local_object ( amxb_bus_ctx_t ctx,
const char *  obj_path 
)

Definition at line 87 of file amxb_ba_priv.c.

88  {
89  amxd_dm_t* dm = ctx->dm;
90  amxd_object_t* object = amxd_dm_findf(dm, "%s", obj_path);
91  return object;
92 }
amxd_dm_t * dm
Definition: amxb_types.h:123
static amxd_dm_t dm
Definition: test_amxb_e2e.c:85

◆ amxb_follow_reference()

int amxb_follow_reference ( amxb_bus_ctx_t *const  bus_ctx,
amxd_path_t *  reference,
int  timeout 
)

Definition at line 116 of file amxb_ba_priv.c.

118  {
119  int retval = amxd_status_unknown_error;
120  amxc_var_t resolved;
121  char* ref = amxd_path_get_reference_part(reference, true);
122  uint32_t index = amxd_path_get_reference_index(reference);
123  amxd_path_t ref_path;
124  amxc_var_t* real_path = NULL;
125 
126  amxd_path_init(&ref_path, ref);
127  amxc_var_init(&resolved);
128 
129  when_true(index == 0, exit);
130  when_str_empty(amxd_path_get_param(&ref_path), exit);
131  retval = amxb_get(bus_ctx, ref, 0, &resolved, timeout);
132  when_failed(retval, exit);
133 
134  when_true(amxc_htable_size(amxc_var_constcast(amxc_htable_t, GETP_ARG(&resolved, "0"))) > 1, exit);
135 
136  real_path = amxc_var_get_pathf(&resolved, AMXC_VAR_FLAG_DEFAULT,
137  "0.0.%s",
138  amxd_path_get_param(&ref_path));
139 
140  amxc_var_cast(real_path, AMXC_VAR_ID_CSV_STRING);
141  amxc_var_cast(real_path, AMXC_VAR_ID_LIST);
142 
143  if(index - 1 >= amxc_llist_size(amxc_var_constcast(amxc_llist_t, real_path))) {
144  goto exit;
145  }
146 
147  amxd_path_setf(&ref_path, true, "%s", GETI_CHAR(real_path, index - 1));
148  amxd_path_prepend(reference, amxd_path_get(&ref_path, 0));
149 
150 exit:
151  amxd_path_clean(&ref_path);
152  free(ref);
153  amxc_var_clean(&resolved);
154  return retval;
155 }
int amxb_get(amxb_bus_ctx_t *const bus_ctx, const char *object, int32_t depth, amxc_var_t *ret, int timeout)
Fetches one or more objects or a single parameter.

◆ amxb_is_local_object()

bool amxb_is_local_object ( amxb_bus_ctx_t ctx,
const char *  obj_path 
)

Definition at line 94 of file amxb_ba_priv.c.

95  {
96  amxd_dm_t* dm = ctx->dm;
97  amxd_path_t path;
98  amxd_object_t* object = NULL;
99 
100  amxd_path_init(&path, NULL);
101  amxd_path_setf(&path, true, "%s", obj_path);
102  when_null(dm, exit);
103 
104  while(object == NULL && !amxc_string_is_empty(&path.path)) {
105  char* part = NULL;
106  object = amxd_dm_findf(dm, "%s", amxd_path_get(&path, AMXD_OBJECT_TERMINATE));
107  part = amxd_path_get_last(&path, true);
108  free(part);
109  }
110 
111 exit:
112  amxd_path_clean(&path);
113  return object != NULL;
114 }