Merge pull request #21 from ThadHouse/master

Documents the C API
This commit is contained in:
Peter Johnson
2015-08-31 21:05:26 -07:00

View File

@@ -307,12 +307,53 @@ struct NT_Value **NT_UnpackRpcValues(const char *packed, size_t packed_len,
* Client/Server Functions
*/
void NT_SetNetworkIdentity(const char *name, size_t name_len);
/** Start Server
* Starts a server using the specified filename, listening address, and port.
*
* @param persist_filename the name of the persist file to use (UTF-8 string, null terminated)
* @param listen_address the address to listen on, or null to listen on any address. (UTF-8 string, null terminated)
* @param port port to communicate over.
*/
void NT_StartServer(const char *persist_filename, const char *listen_address,
unsigned int port);
/** Stop Server
* Stops the server if it is running.
*/
void NT_StopServer(void);
/** Starts Client
* Starts a client using the specified server and port
*
* @param server_name server name (UTF-8 string, null terminated)
* @param port port to communicate over
*
*/
void NT_StartClient(const char *server_name, unsigned int port);
/** Stop Client
* Stops the client if it is running.
*/
void NT_StopClient(void);
/** Set Update Rate
* Sets the update rate of the table
*
* @param interval the interval to update the table at (in seconds)
*
*/
void NT_SetUpdateRate(double interval);
/** Get Connections
* Gets an array of all the connections in the table.
*
* @param count returns the number of elements in the array
* @return an array containing all the connections.
*
* It is the caller's responsibility to free the array. The
* NT_DisposeConnectionInfoArray function is useful for this purpose.
*/
struct NT_ConnectionInfo *NT_GetConnections(size_t *count);
/*
@@ -342,12 +383,38 @@ void NT_InitString(struct NT_String *str);
/* Gets the type for the specified key, or unassigned if non existent. */
enum NT_Type NT_GetType(const char *name, size_t name_len);
/** Dispose Connection Info Array
* Disposes a connection info array
*
* @param arr pointer to the array to dispose
* @param count number of elements in the array
*
*/
void NT_DisposeConnectionInfoArray(struct NT_ConnectionInfo *arr, size_t count);
/** Dispose Entry Info Array
* Disposes an entry info array
*
* @param arr pointer to the array to dispose
* @param count number of elements in the array
*
*/
void NT_DisposeEntryInfoArray(struct NT_EntryInfo *arr, size_t count);
/** Dispose Rpc Definition
* Disposes a Rpc Definition structure
*
* @param def pointer to the struct to dispose
*
*/
void NT_DisposeRpcDefinition(struct NT_RpcDefinition *def);
/** Dispose Rpc Call Info
* Disposes a Rpc Call Info structure
*
* @param def pointer to the struct to dispose
*
*/
void NT_DisposeRpcCallInfo(struct NT_RpcCallInfo *call_info);
/* timestamp */
@@ -363,71 +430,454 @@ Interop Utility Functions
*/
/* Memory Allocators */
/** Allocate Character Array
* Allocates an array of chars.
* Note that the size is the number of elements, and not the
* specific number of bytes to allocate. That is calculated internally.
*
* @param size the number of elements the array will contain
* @return the allocated char array
*
* After use, the array should be freed using the NT_FreeCharArray()
* function.
*/
char *NT_AllocateCharArray(size_t size);
double *NT_AllocateDoubleArray(size_t size);
/** Allocate Boolean Array
* Allocates an array of booleans.
* Note that the size is the number of elements, and not the
* specific number of bytes to allocate. That is calculated internally.
*
* @param size the number of elements the array will contain
* @return the allocated boolean array
*
* After use, the array should be freed using the NT_FreeBooleanArray()
* function.
*/
int *NT_AllocateBooleanArray(size_t size);
/** Allocate Double Array
* Allocates an array of doubles.
* Note that the size is the number of elements, and not the
* specific number of bytes to allocate. That is calculated internally.
*
* @param size the number of elements the array will contain
* @return the allocated double array
*
* After use, the array should be freed using the NT_FreeDoubleArray()
* function.
*/
double *NT_AllocateDoubleArray(size_t size);
/** Allocate NT_String Array
* Allocates an array of NT_Strings.
* Note that the size is the number of elements, and not the
* specific number of bytes to allocate. That is calculated internally.
*
* @param size the number of elements the array will contain
* @return the allocated NT_String array
*
* After use, the array should be freed using the NT_FreeStringArray()
* function.
*/
struct NT_String *NT_AllocateStringArray(size_t size);
/** Free Char Array
* Frees an array of chars.
*
* @param v_boolean pointer to the char array to free
*/
void NT_FreeCharArray(char *v_char);
/** Free Double Array
* Frees an array of doubles.
*
* @param v_boolean pointer to the double array to free
*/
void NT_FreeDoubleArray(double *v_double);
/** Free Boolean Array
* Frees an array of booleans.
*
* @param v_boolean pointer to the boolean array to free
*/
void NT_FreeBooleanArray(int *v_boolean);
/** Free String Array
* Frees an array of NT_Strings.
*
* @param v_string pointer to the string array to free
* @param arr_size size of the string array to free
*
* Note that the individual NT_Strings in the array should NOT be
* freed before calling this. This function will free all the strings
* individually.
*/
void NT_FreeStringArray(struct NT_String *v_string, size_t arr_size);
/** Get Value Type
* Returns the type of an NT_Value struct.
* Note that one of the type options is "unassigned".
*
* @param value The NT_Value struct to get the type from.
* @return The type of the value, or unassigned if null.
*
*/
enum NT_Type NT_GetValueType(const struct NT_Value *value);
/** Get Value Boolean
* Returns the boolean from the NT_Value.
* If the NT_Value is null, or is assigned to a
* different type, returns 0.
*
* @param value NT_Value struct to get the boolean from
* @param last_change returns time in ms since the last change in the value
* @param v_boolean returns the boolean assigned to the name
* @return 1 if successful, or 0 if value is null or not a boolean
*
*/
int NT_GetValueBoolean(const struct NT_Value *value,
unsigned long long *last_change, int *v_boolean);
/** Get Value Double
* Returns the double from the NT_Value.
* If the NT_Value is null, or is assigned to a
* different type, returns 0.
*
* @param value NT_Value struct to get the double from
* @param last_change returns time in ms since the last change in the value
* @param v_double returns the boolean assigned to the name
* @return 1 if successful, or 0 if value is null or not a double
*
*/
int NT_GetValueDouble(const struct NT_Value *value,
unsigned long long *last_change, double *v_double);
/** Get Value String
* Returns a copy of the string from the NT_Value.
* If the NT_Value is null, or is assigned to a
* different type, returns 0.
*
* @param value NT_Value struct to get the string from
* @param last_change returns time in ms since the last change in the value
* @param str_len returns the length of the string
* @return pointer to the string (UTF-8), or null if error
*
* It is the caller's responsibility to free the string once its no longer
* needed. The NT_FreeCharArray() function is useful for this purpose. The returned
* string is a copy of the string in the value, and must be freed seperately.
*
*/
char *NT_GetValueString(const struct NT_Value *value,
unsigned long long *last_change, size_t *str_len);
/** Get Value Raw
* Returns a copy of the raw value from the NT_Value.
* If the NT_Value is null, or is assigned to a
* different type, returns null.
*
* @param value NT_Value struct to get the string from
* @param last_change returns time in ms since the last change in the value
* @param raw_len returns the length of the string
* @return pointer to the raw value (UTF-8), or null if error
*
* It is the caller's responsibility to free the raw value once its no longer
* needed. The NT_FreeCharArray() function is useful for this purpose. The returned
* string is a copy of the string in the value, and must be freed seperately.
*
*/
char *NT_GetValueRaw(const struct NT_Value *value,
unsigned long long *last_change, size_t *raw_len);
/** Get Value Boolean Array
* Returns a copy of the boolean array from the NT_Value.
* If the NT_Value is null, or is assigned to a
* different type, returns null.
*
* @param value NT_Value struct to get the boolean array from
* @param last_change returns time in ms since the last change in the value
* @param arr_size returns the number of elements in the array
* @return pointer to the boolean array, or null if error
*
* It is the caller's responsibility to free the array once its no longer
* needed. The NT_FreeBooleanArray() function is useful for this purpose.
* The returned array is a copy of the array in the value, and must be
* freed seperately.
*
*/
int *NT_GetValueBooleanArray(const struct NT_Value *value,
unsigned long long *last_change, size_t *arr_size);
/** Get Value Double Array
* Returns a copy of the double array from the NT_Value.
* If the NT_Value is null, or is assigned to a
* different type, returns null.
*
* @param value NT_Value struct to get the double array from
* @param last_change returns time in ms since the last change in the value
* @param arr_size returns the number of elements in the array
* @return pointer to the double array, or null if error
*
* It is the caller's responsibility to free the array once its no longer
* needed. The NT_FreeDoubleArray() function is useful for this purpose.
* The returned array is a copy of the array in the value, and must be
* freed seperately.
*
*/
double *NT_GetValueDoubleArray(const struct NT_Value *value,
unsigned long long *last_change,
size_t *arr_size);
/** Get Value String Array
* Returns a copy of the NT_String array from the NT_Value.
* If the NT_Value is null, or is assigned to a
* different type, returns null.
*
* @param value NT_Value struct to get the NT_String array from
* @param last_change returns time in ms since the last change in the value
* @param arr_size returns the number of elements in the array
* @return pointer to the NT_String array, or null if error
*
* It is the caller's responsibility to free the array once its no longer
* needed. The NT_FreeStringArray() function is useful for this purpose.
* The returned array is a copy of the array in the value, and must be
* freed seperately. Note that the individual NT_Strings should not be freed,
* but the entire array should be freed at once. The NT_FreeStringArray() function
* will free all the NT_Strings.
*
*/
NT_String *NT_GetValueStringArray(const struct NT_Value *value,
unsigned long long *last_change,
size_t *arr_size);
/** Get Entry Boolean
* Returns the boolean currently assigned to the entry name.
* If the entry name is not currently assigned, or is assigned to a
* different type, returns 0.
*
* @param name entry name (UTF-8 string)
* @param name_len length of name in bytes
* @param last_change returns time in ms since the last change in the value
* @param v_boolean returns the boolean assigned to the name
* @return 1 if successful, or 0 if value is unassigned or not a boolean
*
*/
int NT_GetEntryBoolean(const char *name, size_t name_len,
unsigned long long *last_change, int *v_boolean);
/** Get Entry Double
* Returns the double currently assigned to the entry name.
* If the entry name is not currently assigned, or is assigned to a
* different type, returns 0.
*
* @param name entry name (UTF-8 string)
* @param name_len length of name in bytes
* @param last_change returns time in ms since the last change in the value
* @param v_double returns the double assigned to the name
* @return 1 if successful, or 0 if value is unassigned or not a double
*
*/
int NT_GetEntryDouble(const char *name, size_t name_len,
unsigned long long *last_change, double *v_double);
/** Get Entry String
* Returns a copy of the string assigned to the entry name.
* If the entry name is not currently assigned, or is assigned to a
* different type, returns null.
*
* @param name entry name (UTF-8 string)
* @param name_len length of name in bytes
* @param last_change returns time in ms since the last change in the value
* @param str_len returns the length of the string
* @return pointer to the string (UTF-8), or null if error
*
* It is the caller's responsibility to free the string once its no longer
* needed. The NT_FreeCharArray() function is useful for this purpose.
*
*/
char *NT_GetEntryString(const char *name, size_t name_len,
unsigned long long *last_change, size_t *str_len);
/** Get Entry Raw
* Returns a copy of the raw value assigned to the entry name.
* If the entry name is not currently assigned, or is assigned to a
* different type, returns null.
*
* @param name entry name (UTF-8 string)
* @param name_len length of name in bytes
* @param last_change returns time in ms since the last change in the value
* @param raw_len returns the length of the string
* @return pointer to the raw value (UTF-8), or null if error
*
* It is the caller's responsibility to free the raw value once its no longer
* needed. The NT_FreeCharArray() function is useful for this purpose.
*
*/
char *NT_GetEntryRaw(const char *name, size_t name_len,
unsigned long long *last_change, size_t *raw_len);
/** Get Entry Boolean Array
* Returns a copy of the boolean array assigned to the entry name.
* If the entry name is not currently assigned, or is assigned to a
* different type, returns null.
*
* @param name entry name (UTF-8 string)
* @param name_len length of name in bytes
* @param last_change returns time in ms since the last change in the value
* @param arr_size returns the number of elements in the array
* @return pointer to the boolean array, or null if error
*
* It is the caller's responsibility to free the array once its no longer
* needed. The NT_FreeBooleanArray() function is useful for this purpose.
*
*/
int *NT_GetEntryBooleanArray(const char *name, size_t name_len,
unsigned long long *last_change, size_t *arr_size);
/** Get Entry Double Array
* Returns a copy of the double array assigned to the entry name.
* If the entry name is not currently assigned, or is assigned to a
* different type, returns null.
*
* @param name entry name (UTF-8 string)
* @param name_len length of name in bytes
* @param last_change returns time in ms since the last change in the value
* @param arr_size returns the number of elements in the array
* @return pointer to the double array, or null if error
*
* It is the caller's responsibility to free the array once its no longer
* needed. The NT_FreeDoubleArray() function is useful for this purpose.
*
*/
double *NT_GetEntryDoubleArray(const char *name, size_t name_len,
unsigned long long *last_change,
size_t *arr_size);
/** Get Entry String Array
* Returns a copy of the NT_String array assigned to the entry name.
* If the entry name is not currently assigned, or is assigned to a
* different type, returns null.
*
* @param name entry name (UTF-8 string)
* @param name_len length of name in bytes
* @param last_change returns time in ms since the last change in the value
* @param arr_size returns the number of elements in the array
* @return pointer to the NT_String array, or null if error
*
* It is the caller's responsibility to free the array once its no longer
* needed. The NT_FreeStringArray() function is useful for this purpose. Note
* that the individual NT_Strings should not be freed, but the entire array
* should be freed at once. The NT_FreeStringArray() function will free all the
* NT_Strings.
*
*/
NT_String *NT_GetEntryStringArray(const char *name, size_t name_len,
unsigned long long *last_change,
size_t *arr_size);
/* Entry Value Setters */
/** Set Entry Boolean
* Sets an entry boolean. If the entry name is not currently assigned to a boolean,
* returns error unless the force parameter is set.
*
* @param name entry name (UTF-8 string)
* @param name_len length of name in bytes
* @param v_boolean boolean value to set
* @param force 1 to force the entry to get overwritten, otherwise 0
* @return 0 on error (type mismatch), 1 on success
*
*/
int NT_SetEntryBoolean(const char *name, size_t name_len, int v_boolean,
int force);
/** Set Entry Double
* Sets an entry double. If the entry name is not currently assigned to a double,
* returns error unless the force parameter is set.
*
* @param name entry name (UTF-8 string)
* @param name_len length of name in bytes
* @param v_double double value to set
* @param force 1 to force the entry to get overwritten, otherwise 0
* @return 0 on error (type mismatch), 1 on success
*
*/
int NT_SetEntryDouble(const char *name, size_t name_len, double v_double,
int force);
int NT_SetEntryBoolean(const char *name, size_t name_len, int v_boolean,
int force);
/** Set Entry String
* Sets an entry string. If the entry name is not currently assigned to a string,
* returns error unless the force parameter is set.
*
* @param name entry name (UTF-8 string)
* @param name_len length of name in bytes
* @param str string to set (UTF-8 string)
* @param str_len length of string to write in bytes
* @param force 1 to force the entry to get overwritten, otherwise 0
* @return 0 on error (type mismatch), 1 on success
*
*/
int NT_SetEntryString(const char *name, size_t name_len, const char *str,
size_t str_len, int force);
/** Set Entry Raw
* Sets the raw value of an entry. If the entry name is not currently assigned
* to a raw value, returns error unless the force parameter is set.
*
* @param name entry name (UTF-8 string)
* @param name_len length of name in bytes
* @param raw raw string to set (UTF-8 string)
* @param raw_len length of raw string to write in bytes
* @param force 1 to force the entry to get overwritten, otherwise 0
* @return 0 on error (type mismatch), 1 on success
*
*/
int NT_SetEntryRaw(const char *name, size_t name_len, const char *raw,
size_t raw_len, int force);
/** Set Entry Boolean Array
* Sets an entry boolean array. If the entry name is not currently assigned to a boolean
* array, returns error unless the force parameter is set.
*
* @param name entry name (UTF-8 string)
* @param name_len length of name in bytes
* @param arr boolean array to write
* @param size number of elements in the array
* @param force 1 to force the entry to get overwritten, otherwise 0
* @return 0 on error (type mismatch), 1 on success
*
*/
int NT_SetEntryBooleanArray(const char *name, size_t name_len, const int *arr,
size_t size, int force);
/** Set Entry Double Array
* Sets an entry double array. If the entry name is not currently assigned to a double
* array, returns error unless the force parameter is set.
*
* @param name entry name (UTF-8 string)
* @param name_len length of name in bytes
* @param arr double array to write
* @param size number of elements in the array
* @param force 1 to force the entry to get overwritten, otherwise 0
* @return 0 on error (type mismatch), 1 on success
*
*/
int NT_SetEntryDoubleArray(const char *name, size_t name_len, const double *arr,
size_t size, int force);
/** Set Entry String Array
* Sets an entry string array. If the entry name is not currently assigned to a string
* array, returns error unless the force parameter is set.
*
* @param name entry name (UTF-8 string)
* @param name_len length of name in bytes
* @param arr NT_String array to write
* @param size number of elements in the array
* @param force 1 to force the entry to get overwritten, otherwise 0
* @return 0 on error (type mismatch), 1 on success
*
*/
int NT_SetEntryStringArray(const char *name, size_t name_len,
const struct NT_String *arr, size_t size, int force);