apps/snmp/snmp_scalar.c

45 static s16_t snmp_scalar_array_get_value(struct snmp_node_instance* instance, void* value);
46 static snmp_err_t  snmp_scalar_array_set_test(struct snmp_node_instance* instance, u16_t value_len, void* value);
47 static snmp_err_t  snmp_scalar_array_set_value(struct snmp_node_instance* instance, u16_t value_len, void* value);
50 snmp_scalar_get_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance)
52   const struct snmp_scalar_node* scalar_node = (const struct snmp_scalar_node*)(const void*)instance->node;
57   /* scalar only has one dedicated instance: .0 */
58   if ((instance->instance_oid.len != 1) || (instance->instance_oid.id[0] != 0)) {
62   instance->access    = scalar_node->access;
63   instance->asn1_type = scalar_node->asn1_type;
64   instance->get_value = scalar_node->get_value;
65   instance->set_test  = scalar_node->set_test;
66   instance->set_value = scalar_node->set_value;
71 snmp_scalar_get_next_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance)
73   /* because our only instance is .0 we can only return a next instance if no instance oid is passed */
74   if (instance->instance_oid.len == 0) {
75     instance->instance_oid.len   = 1;
76     instance->instance_oid.id[0] = 0;
78     return snmp_scalar_get_instance(root_oid, root_oid_len, instance);
86 snmp_scalar_array_get_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance)
91   if ((instance->instance_oid.len == 2) && (instance->instance_oid.id[1] == 0)) {
92     const struct snmp_scalar_array_node* array_node = (const struct snmp_scalar_array_node*)(const void*)instance->node;
97       if (array_node_def->oid == instance->instance_oid.id[0]) {
106       instance->access              = array_node_def->access;
107       instance->asn1_type           = array_node_def->asn1_type;
108       instance->get_value           = snmp_scalar_array_get_value;
109       instance->set_test            = snmp_scalar_array_set_test;
110       instance->set_value           = snmp_scalar_array_set_value;
111       instance->reference.const_ptr = array_node_def;
121 snmp_scalar_array_get_next_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance)
123   const struct snmp_scalar_array_node* array_node = (const struct snmp_scalar_array_node*)(const void*)instance->node;
130   if ((instance->instance_oid.len == 0) && (array_node->array_node_count > 0)) {
143   } else if (instance->instance_oid.len >= 1) {
144     if (instance->instance_oid.len == 1) {
145       /* if we have the requested OID we return its instance, otherwise we search for the next available */
148         if (array_node_def->oid == instance->instance_oid.id[0]) {
162         if ((array_node_def->oid > instance->instance_oid.id[0]) &&
163             ((u32_t)(array_node_def->oid - instance->instance_oid.id[0]) < oid_dist)) {
165           oid_dist = array_node_def->oid - instance->instance_oid.id[0];
179   instance->instance_oid.len   = 2;
180   instance->instance_oid.id[0] = result->oid;
181   instance->instance_oid.id[1] = 0;
183   instance->access              = result->access;
184   instance->asn1_type           = result->asn1_type;
185   instance->get_value           = snmp_scalar_array_get_value;
186   instance->set_test            = snmp_scalar_array_set_test;
187   instance->set_value           = snmp_scalar_array_set_value;
188   instance->reference.const_ptr = result;
194 snmp_scalar_array_get_value(struct snmp_node_instance* instance, void* value)
196   const struct snmp_scalar_array_node* array_node = (const struct snmp_scalar_array_node*)(const void*)instance->node;
197   const struct snmp_scalar_array_node_def* array_node_def = (const struct snmp_scalar_array_node_def*)instance->reference.const_ptr;
203 snmp_scalar_array_set_test(struct snmp_node_instance* instance, u16_t value_len, void* value)
205   const struct snmp_scalar_array_node* array_node = (const struct snmp_scalar_array_node*)(const void*)instance->node;
206   const struct snmp_scalar_array_node_def* array_node_def = (const struct snmp_scalar_array_node_def*)instance->reference.const_ptr;
212 snmp_scalar_array_set_value(struct snmp_node_instance* instance, u16_t value_len, void* value)
214   const struct snmp_scalar_array_node* array_node = (const struct snmp_scalar_array_node*)(const void*)instance->node;
215   const struct snmp_scalar_array_node_def* array_node_def = (const struct snmp_scalar_array_node_def*)instance->reference.const_ptr;