#include "librpc/rpc_server.h"
#include "librpc/internal.h"
#include "librpc/rpc.h"
#include <libipc/ipc.h>
#include <mos/types.h>
#include <pb.h>
#include <pb_decode.h>
#include <pb_encode.h>
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <mos/syscall/usermode.h>
#include <pthread.h>

Include dependency graph for rpc_server.cpp:

Classes
struct	rpc_server_t
struct	rpc_args_iter_t
struct	_rpc_reply_wrapper
struct	rpc_context_t

Macros
#define	MOS_LIB_ASSERT_X(cond, msg)
#define	MOS_LIB_ASSERT(cond)
#define	memzero(ptr, size)
#define	mutex_acquire(mutex)
#define	mutex_release(mutex)
#define	mos_warn(fmt, ...)
#define	MOS_LIB_UNREACHABLE()
#define	RPC_SERVER_MAX_PENDING_CALLS 32
#define	RPC_ARG_NEXT_IMPL(type, TYPE)
#define	RPC_GET_ARG_IMPL(type, TYPE)

Functions
static void	start_thread (const char name, thread_entry_t entry, void arg)
static rpc_function_info_t *	rpc_server_get_function (rpc_server_t *server, u32 function_id)
static void	rpc_handle_client (void *arg)
rpc_server_t *	rpc_server_create (const char server_name, void data)
	Create a new RPC server.
void	rpc_server_set_on_connect (rpc_server_t *server, rpc_server_on_connect_t on_connect)
	Sets the callback function to be called when a client connects to the RPC server.
void	rpc_server_set_on_disconnect (rpc_server_t *server, rpc_server_on_disconnect_t on_disconnect)
	Sets the callback function to be called when a client disconnects from the RPC server.
void	rpc_server_close (rpc_server_t *server)
	Close the RPC server.
void	rpc_server_destroy (rpc_server_t *server)
	Destroy the RPC server.
void	rpc_server_set_data (rpc_server_t server, void data)
	Set the user data for the server.
void *	rpc_server_get_data (rpc_server_t *server)
	Get the user data for the server.
void	rpc_server_exec (rpc_server_t *server)
	Run the server, this function will not return until the server is destroyed.
bool	rpc_server_register_functions (rpc_server_t server, const rpc_function_info_t functions, size_t count)
	Register multiple functions with the server.
void *	rpc_context_get_data (const rpc_context_t *context)
	Get the context data for an RPC context.
void *	rpc_context_set_data (rpc_context_t context, void data)
	Set the context data for an RPC client.
rpc_server_t *	rpc_context_get_server (const rpc_context_t *context)
	Get the RPC server instance for an RPC call context.
MOSAPI int	rpc_context_get_function_id (const rpc_context_t *context)
	Get the function ID for an RPC call context.
const void *	rpc_arg_next (rpc_context_t context, size_t size)
	Iterate to the next argument.
const void *	rpc_arg_sized_next (rpc_context_t *context, size_t expected_size)
	Iterate to the next argument, and check that the size is as expected.
u8	rpc_arg_next_u8 (rpc_context_t *context)
u16	rpc_arg_next_u16 (rpc_context_t *context)
u32	rpc_arg_next_u32 (rpc_context_t *context)
u64	rpc_arg_next_u64 (rpc_context_t *context)
s8	rpc_arg_next_s8 (rpc_context_t *context)
s16	rpc_arg_next_s16 (rpc_context_t *context)
s32	rpc_arg_next_s32 (rpc_context_t *context)
s64	rpc_arg_next_s64 (rpc_context_t *context)
const char *	rpc_arg_next_string (rpc_context_t *context)
const void *	rpc_arg (const rpc_context_t context, size_t iarg, rpc_argtype_t type, size_t argsize)
u8	rpc_arg_u8 (const rpc_context_t *context, size_t iarg)
u16	rpc_arg_u16 (const rpc_context_t *context, size_t iarg)
u32	rpc_arg_u32 (const rpc_context_t *context, size_t iarg)
u64	rpc_arg_u64 (const rpc_context_t *context, size_t iarg)
s8	rpc_arg_s8 (const rpc_context_t *context, size_t iarg)
s16	rpc_arg_s16 (const rpc_context_t *context, size_t iarg)
s32	rpc_arg_s32 (const rpc_context_t *context, size_t iarg)
s64	rpc_arg_s64 (const rpc_context_t *context, size_t iarg)
const char *	rpc_arg_string (const rpc_context_t *context, size_t iarg)
void	rpc_write_result (rpc_context_t context, const void data, size_t size)
	Write a result to the reply.
bool	rpc_arg_pb (rpc_context_t context, const pb_msgdesc_t fields, void *val, size_t argid)
void	rpc_write_result_pb (rpc_context_t context, const pb_msgdesc_t type_fields, const void *val)

Macro Definition Documentation

◆ MOS_LIB_ASSERT_X

#define MOS_LIB_ASSERT_X	(		cond,
			msg )

Value:

assert(cond &&msg)

Definition at line 25 of file rpc_server.cpp.

Referenced by hashmap_deinit(), hashmap_foreach(), hashmap_get(), hashmap_put(), hashmap_remove(), rpc_server_register_functions(), rpc_write_result(), and tree_add_child().

◆ MOS_LIB_ASSERT

#define MOS_LIB_ASSERT ( cond )

Value:

assert(cond)

Definition at line 26 of file rpc_server.cpp.

Referenced by hashmap_init(), printf_cs(), printf_diouxX(), rpc_arg(), and tree_add_child().

◆ memzero

#define memzero	(		ptr,
			size )

Value:

memset(ptr, 0, size)

memset

static void * memset(void *s, int c, size_t n)

Definition pb_syshdr.h:101

ptr

mos::shared_ptr< T > ptr

Definition shared_ptr.hpp:354

size

size_t size

Definition slab.cpp:32

Definition at line 48 of file rpc_server.cpp.

Referenced by bitmap_zero(), elf_map_segment(), hashmap_init(), mm_get_free_page(), pagetable_iter_init(), platform_regs_t::platform_regs_t(), pmm_init(), process_do_execveat(), rpc_server_create(), waitlist_init(), x86_cpu_initialise_caps(), x86_init_percpu_gdt(), x86_init_percpu_tss(), and zero_page().

◆ mutex_acquire

#define mutex_acquire ( mutex )

Value:

pthread_mutex_lock(mutex)

Definition at line 49 of file rpc_server.cpp.

◆ mutex_release

#define mutex_release ( mutex )

Value:

pthread_mutex_unlock(mutex)

Definition at line 50 of file rpc_server.cpp.

◆ mos_warn

#define mos_warn	(		fmt,
			... )

Value:

fprintf(stderr, fmt "\n", ##__VA_ARGS__)

stderr

#define stderr

Definition mos_stdio.hpp:32

fmt

#define fmt(_fmt,...)

Definition syslog.hpp:161

Definition at line 51 of file rpc_server.cpp.

Referenced by rpc_handle_client().

◆ MOS_LIB_UNREACHABLE

#define MOS_LIB_UNREACHABLE ( )

Value:

__builtin_unreachable()

Definition at line 52 of file rpc_server.cpp.

◆ RPC_SERVER_MAX_PENDING_CALLS

#define RPC_SERVER_MAX_PENDING_CALLS 32

Definition at line 66 of file rpc_server.cpp.

Referenced by rpc_server_create().

◆ RPC_ARG_NEXT_IMPL

#define RPC_ARG_NEXT_IMPL	(		type,
			TYPE )

Value:

    type rpc_arg_next_##type(rpc_context_t *context)                                                                                                                     \
    {                                                                                                                                                                    \
        return *(type *) rpc_arg_next(context, NULL);                                                                                                                    \
    }

Definition at line 363 of file rpc_server.cpp.

Referenced by rpc_arg_next_s16(), rpc_arg_next_s32(), rpc_arg_next_s64(), rpc_arg_next_s8(), rpc_arg_next_u16(), rpc_arg_next_u32(), and rpc_arg_next_u64().

◆ RPC_GET_ARG_IMPL

#define RPC_GET_ARG_IMPL	(		type,
			TYPE )

Value:

    type rpc_arg_##type(const rpc_context_t *context, size_t iarg)                                                                                                       \
    {                                                                                                                                                                    \
        return *(type *) rpc_arg(context, iarg, RPC_ARGTYPE_##TYPE, NULL);                                                                                               \
    }

Definition at line 402 of file rpc_server.cpp.

Referenced by rpc_arg_s16(), rpc_arg_s32(), rpc_arg_s64(), rpc_arg_s8(), rpc_arg_u16(), rpc_arg_u32(), and rpc_arg_u64().

Function Documentation

◆ start_thread()

void start_thread	(	const char *	name,
		thread_entry_t	entry,
		void *	arg )

static

Definition at line 53 of file rpc_server.cpp.

Referenced by rpc_server_exec().

◆ rpc_server_get_function()

rpc_function_info_t * rpc_server_get_function	(	rpc_server_t *	server,
		u32	function_id )

inlinestatic

Definition at line 100 of file rpc_server.cpp.

Referenced by rpc_handle_client().

◆ rpc_handle_client()

void rpc_handle_client ( void * arg )

static

Definition at line 108 of file rpc_server.cpp.

Referenced by rpc_server_exec().

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◆ rpc_server_create()

rpc_server_t * rpc_server_create	(	const char *	server_name,
		void *	data )

Create a new RPC server.

Parameters

server_name	The name of the server
data	A pointer to user data, which will be passed to the function

Returns: rpc_server_t* A pointer to the new server

Definition at line 213 of file rpc_server.cpp.

Referenced by RPCServer::RPCServer(), and userfs_manager_server_exec().

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◆ rpc_server_set_on_connect()

void rpc_server_set_on_connect	(	rpc_server_t *	server,
		rpc_server_on_connect_t	on_connect )

Sets the callback function to be called when a client connects to the RPC server.

Parameters

server	The RPC server instance.
on_connect	The callback function to be called when a client connects.

Definition at line 236 of file rpc_server.cpp.

Referenced by RPCServer::RPCServer().

◆ rpc_server_set_on_disconnect()

void rpc_server_set_on_disconnect	(	rpc_server_t *	server,
		rpc_server_on_disconnect_t	on_disconnect )

Sets the callback function to be called when a client disconnects from the RPC server.

Parameters

server	The RPC server instance.
on_disconnect	The callback function to be called when a client disconnects.

Definition at line 241 of file rpc_server.cpp.

Referenced by RPCServer::RPCServer().

◆ rpc_server_close()

void rpc_server_close ( rpc_server_t * server )

Close the RPC server.

Parameters

server The server to close

Definition at line 246 of file rpc_server.cpp.

Referenced by RPCServer::~RPCServer().

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◆ rpc_server_destroy()

void rpc_server_destroy ( rpc_server_t * server )

Destroy the RPC server.

Parameters

server The server to destroy

Definition at line 252 of file rpc_server.cpp.

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◆ rpc_server_set_data()

void rpc_server_set_data	(	rpc_server_t *	server,
		void *	data )

Set the user data for the server.

Parameters

server	The server to set the data for
data	The data to set

Definition at line 261 of file rpc_server.cpp.

◆ rpc_server_get_data()

void * rpc_server_get_data ( rpc_server_t * server )

Get the user data for the server.

Parameters

server The server to get the data for

Definition at line 266 of file rpc_server.cpp.

Referenced by RPCServer::RPCServer().

◆ rpc_server_exec()

void rpc_server_exec ( rpc_server_t * server )

Run the server, this function will not return until the server is destroyed.

Parameters

server The server to run

Note: The incoming RPC calls will be handled in a separate thread.

Definition at line 271 of file rpc_server.cpp.

Referenced by RPCServer::run(), and userfs_manager_server_exec().

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◆ rpc_server_register_functions()

bool rpc_server_register_functions	(	rpc_server_t *	server,
		const rpc_function_info_t *	functions,
		size_t	count )

Register multiple functions with the server.

Parameters

server	The server to register the functions with
functions	An array of function info structures
count	The number of functions to register

Returns: true The functions were registered successfully; false The functions could not be registered

Definition at line 299 of file rpc_server.cpp.

Referenced by RPCServer::RPCServer(), and userfs_manager_server_exec().

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◆ rpc_context_get_data()

void * rpc_context_get_data ( const rpc_context_t * context )

Get the context data for an RPC context.

Parameters

context The context to get the data for

Returns: MOSAPI*

Definition at line 308 of file rpc_server.cpp.

Referenced by RPCServer::get_data().

◆ rpc_context_set_data()

void * rpc_context_set_data	(	rpc_context_t *	context,
		void *	data )

Set the context data for an RPC client.

Parameters

context	The context to set the data for
data	The data to set

Returns: void* The previous data, or NULL if there was no previous data

Definition at line 313 of file rpc_server.cpp.

Referenced by RPCServer::set_data().

◆ rpc_context_get_server()

rpc_server_t * rpc_context_get_server ( const rpc_context_t * context )

Get the RPC server instance for an RPC call context.

Parameters

context The context to get the server for

Returns: rpc_server_t* The server

Definition at line 320 of file rpc_server.cpp.

Referenced by RPCServer::RPCServer().

◆ rpc_context_get_function_id()

MOSAPI int rpc_context_get_function_id ( const rpc_context_t * context )

Get the function ID for an RPC call context.

Parameters

context The context to get the function ID for

Returns: int The function ID

Definition at line 325 of file rpc_server.cpp.

Referenced by RPCServer::RPCServer().

◆ rpc_arg_next()

const void * rpc_arg_next	(	rpc_context_t *	args,
		size_t *	size )

Iterate to the next argument.

Parameters

args	The argument iterator
size	A pointer to the size of the argument

Returns: const void* A pointer to the next argument

Note: Do not modify any of the data in the returned pointer.

Definition at line 332 of file rpc_server.cpp.

Referenced by rpc_arg_next_string(), and rpc_arg_sized_next().

◆ rpc_arg_sized_next()

const void * rpc_arg_sized_next	(	rpc_context_t *	context,
		size_t	expected_size )

Iterate to the next argument, and check that the size is as expected.

Parameters

context	The RPC call context
expected_size	The expected size of the argument

Returns: const void* A pointer to the next argument, or NULL if the size is incorrect.

Note: Do not modify any of the data in the returned pointer.

Definition at line 354 of file rpc_server.cpp.

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◆ rpc_arg_next_u8()

u8 rpc_arg_next_u8 ( rpc_context_t * context )

Definition at line 369 of file rpc_server.cpp.

◆ rpc_arg_next_u16()

u16 rpc_arg_next_u16 ( rpc_context_t * context )

Definition at line 370 of file rpc_server.cpp.

◆ rpc_arg_next_u32()

u32 rpc_arg_next_u32 ( rpc_context_t * context )

Definition at line 371 of file rpc_server.cpp.

◆ rpc_arg_next_u64()

u64 rpc_arg_next_u64 ( rpc_context_t * context )

Definition at line 372 of file rpc_server.cpp.

◆ rpc_arg_next_s8()

s8 rpc_arg_next_s8 ( rpc_context_t * context )

Definition at line 373 of file rpc_server.cpp.

◆ rpc_arg_next_s16()

s16 rpc_arg_next_s16 ( rpc_context_t * context )

Definition at line 374 of file rpc_server.cpp.

◆ rpc_arg_next_s32()

s32 rpc_arg_next_s32 ( rpc_context_t * context )

Definition at line 375 of file rpc_server.cpp.

◆ rpc_arg_next_s64()

s64 rpc_arg_next_s64 ( rpc_context_t * context )

Definition at line 376 of file rpc_server.cpp.

◆ rpc_arg_next_string()

const char * rpc_arg_next_string ( rpc_context_t * context )

Definition at line 378 of file rpc_server.cpp.

Referenced by rpc_arg_next_string().

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◆ rpc_arg()

const void * rpc_arg	(	const rpc_context_t *	context,
		size_t	iarg,
		rpc_argtype_t	type,
		size_t *	argsize )

Definition at line 383 of file rpc_server.cpp.

Referenced by rpc_arg_pb(), and rpc_arg_string().

◆ rpc_arg_u8()

u8 rpc_arg_u8	(	const rpc_context_t *	context,
		size_t	iarg )

Definition at line 408 of file rpc_server.cpp.

◆ rpc_arg_u16()

u16 rpc_arg_u16	(	const rpc_context_t *	context,
		size_t	iarg )

Definition at line 409 of file rpc_server.cpp.

◆ rpc_arg_u32()

u32 rpc_arg_u32	(	const rpc_context_t *	context,
		size_t	iarg )

Definition at line 410 of file rpc_server.cpp.

◆ rpc_arg_u64()

u64 rpc_arg_u64	(	const rpc_context_t *	context,
		size_t	iarg )

Definition at line 411 of file rpc_server.cpp.

◆ rpc_arg_s8()

s8 rpc_arg_s8	(	const rpc_context_t *	context,
		size_t	iarg )

Definition at line 412 of file rpc_server.cpp.

◆ rpc_arg_s16()

s16 rpc_arg_s16	(	const rpc_context_t *	context,
		size_t	iarg )

Definition at line 413 of file rpc_server.cpp.

◆ rpc_arg_s32()

s32 rpc_arg_s32	(	const rpc_context_t *	context,
		size_t	iarg )

Definition at line 414 of file rpc_server.cpp.

◆ rpc_arg_s64()

s64 rpc_arg_s64	(	const rpc_context_t *	context,
		size_t	iarg )

Definition at line 415 of file rpc_server.cpp.

◆ rpc_arg_string()

const char * rpc_arg_string	(	const rpc_context_t *	context,
		size_t	iarg )

Definition at line 417 of file rpc_server.cpp.

Referenced by rpc_arg_string().

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◆ rpc_write_result()

void rpc_write_result	(	rpc_context_t *	context,
		const void *	data,
		size_t	size )

Write a result to the reply.

Parameters

context	The RPC call context
data	The data to write
size	The size of the data to write

Definition at line 422 of file rpc_server.cpp.

Referenced by rpc_write_result_pb().

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◆ rpc_arg_pb()

bool rpc_arg_pb	(	rpc_context_t *	context,
		const pb_msgdesc_t *	fields,
		void *	val,
		size_t	argid )

Definition at line 435 of file rpc_server.cpp.

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◆ rpc_write_result_pb()

void rpc_write_result_pb	(	rpc_context_t *	context,
		const pb_msgdesc_t *	type_fields,
		const void *	val )

Definition at line 443 of file rpc_server.cpp.

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Classes

Macros

Functions

Macro Definition Documentation

◆ MOS_LIB_ASSERT_X

◆ MOS_LIB_ASSERT

◆ memzero

◆ mutex_acquire

◆ mutex_release

◆ mos_warn

◆ MOS_LIB_UNREACHABLE

◆ RPC_SERVER_MAX_PENDING_CALLS

◆ RPC_ARG_NEXT_IMPL

◆ RPC_GET_ARG_IMPL

Function Documentation

◆ start_thread()

◆ rpc_server_get_function()

◆ rpc_handle_client()

◆ rpc_server_create()

◆ rpc_server_set_on_connect()

◆ rpc_server_set_on_disconnect()

◆ rpc_server_close()

◆ rpc_server_destroy()

◆ rpc_server_set_data()

◆ rpc_server_get_data()

◆ rpc_server_exec()

◆ rpc_server_register_functions()

◆ rpc_context_get_data()

◆ rpc_context_set_data()

◆ rpc_context_get_server()

◆ rpc_context_get_function_id()

◆ rpc_arg_next()

◆ rpc_arg_sized_next()

◆ rpc_arg_next_u8()

◆ rpc_arg_next_u16()

◆ rpc_arg_next_u32()

◆ rpc_arg_next_u64()

◆ rpc_arg_next_s8()

◆ rpc_arg_next_s16()

◆ rpc_arg_next_s32()

◆ rpc_arg_next_s64()

◆ rpc_arg_next_string()

◆ rpc_arg()

◆ rpc_arg_u8()

◆ rpc_arg_u16()

◆ rpc_arg_u32()

◆ rpc_arg_u64()

◆ rpc_arg_s8()

◆ rpc_arg_s16()

◆ rpc_arg_s32()

◆ rpc_arg_s64()

◆ rpc_arg_string()

◆ rpc_write_result()

◆ rpc_arg_pb()

◆ rpc_write_result_pb()