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H2_STREAM Struct HASH_NODE Struct HASH_TABLE Struct ISO_DRAW_ENTRY Struct ISO_MAP Struct ISO_PROJECTION Struct ISO_TILE_SEGMENT Struct ISO_TILE_SEGMENTS Struct ISO_VISIBLE_EDGES Struct JS_STATE Struct LEX_ITEM Struct LIST Struct LIST_NODE Struct LOG_LEVELS Struct LexMenu Struct MEMBER Struct MIDI Struct NESTED Struct NETWORK Struct NETWORK_HTTP_INFO Struct NETWORK_POOL Struct NETWORK_SSL_THREAD_PARAMS Struct NETW_ACCEPT_POOL Struct NETW_ACCEPT_POOL_STATS Struct NETW_MSG Struct NETW_SNI_ARG Struct NODE_DATA Struct N_ATLAS Struct N_ATLAS_PAGE Struct N_CLOCK_SYNC Struct N_COOKIE Struct N_COOKIE_JAR Struct N_DIFF_LINE Struct N_DIFF_RESULT Struct N_DISK_CACHE Struct N_ENTROPY_BIT Struct N_ENTROPY_POS Struct N_FILE_INFO Struct N_FLUID Struct N_FLUID_THREAD_PARAMS Struct N_FORM_FIELD Struct N_GIT_COMMIT_INFO Struct N_GIT_REMOTE_AUTH Struct N_GIT_REPO Struct N_GIT_STATUS_ENTRY Struct N_GUI_BUTTON_DATA Struct N_GUI_CHECKBOX_DATA Struct N_GUI_COLOR_PICKER Struct N_GUI_COMBOBOX_DATA Struct N_GUI_CTX Struct N_GUI_CUSTOM_DATA Struct N_GUI_DATAGRID_COL Struct N_GUI_DATAGRID_DATA Struct N_GUI_DROPMENU_DATA Struct N_GUI_DROPMENU_ENTRY Struct N_GUI_GRID_CALLBACKS Struct N_GUI_HEXVIEW_DATA Struct N_GUI_IMAGE_DATA Struct N_GUI_KVTABLE Struct N_GUI_KV_CONTENT Struct N_GUI_KV_ROW Struct N_GUI_LABEL_DATA Struct N_GUI_LISTBOX_DATA Struct N_GUI_LISTITEM Struct N_GUI_MARKDOWNVIEW_DATA Struct N_GUI_MD_FONTS Struct N_GUI_MD_STYLE Struct N_GUI_MEAS_ENTRY Struct N_GUI_MOUSE_EVENT Struct N_GUI_PENDING_GEOM Struct N_GUI_PENDING_WIDGET Struct N_GUI_POPUP Struct N_GUI_PROGRESSBAR_DATA Struct N_GUI_RADIOLIST_DATA Struct N_GUI_SB_TRACK Struct N_GUI_SCROLLBAR_DATA Struct N_GUI_SECTION Struct N_GUI_SECTIONLIST Struct N_GUI_SLIDER_DATA Struct N_GUI_SPLITPANE_DATA Struct N_GUI_STYLE Struct N_GUI_SUGGEST_SINK Struct N_GUI_SYNTAXVIEW_DATA Struct N_GUI_TAB_PANEL Struct N_GUI_TB_BUTTONS Struct N_GUI_TEXTAREA_DATA Struct N_GUI_TEXT_DIMS Struct N_GUI_THEME Struct N_GUI_TREE Struct N_GUI_TREE_NODE Struct N_GUI_TREE_STATE Struct N_GUI_WIDGET Struct N_GUI_WINDOW Struct N_H2_FRAME Struct N_H2_HEADER Struct N_H2_HPACK Struct N_H2_REQUEST Struct N_H2_SERVER Struct N_H2_SETTING Struct N_HTML_ATTR_ Struct N_HTML_FORM Struct N_HTML_TAG_ Struct N_HTTP3_RESPONSE Struct N_HTTP_FIELD Struct N_HTTP_FORM Struct N_HTTP_FORM_MULTIPART Struct N_HTTP_FORM_PART Struct N_HTTP_MULTIPART_PART Struct N_HTTP_REQUEST Struct N_HTTP_RESP Struct N_HTTP_RESPONSE Struct N_HTTP_SERVER Struct N_HTTP_SERVER_CONFIG Struct N_HTTP_SERVER_REQUEST Struct N_HTTP_SERVER_STATS Struct N_HTTP_SET_COOKIE Struct N_HTTP_STREAM Struct N_ISO_CAMERA Struct N_ISO_OBJECT Struct N_KAFKA Struct N_KAFKA_EVENT Struct N_MOCK_SERVER Struct N_MODULE Struct N_PARALLEL_SLICE Struct N_PARALLEL_TEAM Struct N_PARALLEL_WORKER Struct N_PCRE Struct N_PROXY_CFG Struct N_PTH Struct N_PTH_TENSOR Struct N_QUERY Struct N_ROUTE Struct N_ROUTER Struct N_ROUTE_MATCH Struct N_SHA256 Struct N_SOCKET Struct N_SPAWN_PIPE Struct N_SSE_CONN Struct N_SSE_EVENT Struct N_STR Struct N_TIFF Struct N_TIFF_ENTRY Struct N_TIME Struct N_URL Struct N_URL_PARAM Struct N_USER Struct N_USERLIST Struct N_WS_CONN Struct N_WS_FRAME Struct N_WS_MESSAGE Struct N_ZIP_MEMBER Struct OCTREE Struct OCTREE_NODE Struct PARSER Struct PARTICLE Struct PARTICLE_EMITTER Struct PARTICLE_SYSTEM Struct PEER Struct PHYSICS Struct PK_OBJ Struct PK_VM Struct POINT2D Struct POINT3D Struct PRETTY_OUT Struct QNODE Struct QUADTREE Struct QUADTREE_NODE Struct REC Struct RGB Struct SAMPLE Struct SEEN Struct SHARER Struct SRV Struct SRV_ARG Struct STACK Struct STACK_ITEM Struct SYNTAX_RUN Struct THREAD_POOL Struct THREAD_POOL_NODE Struct THREAD_WAITING_PROC Struct TRAJECTORY Struct TRAJECTORY_POINT Struct TREE Struct TREE_NODE Struct TS_LOG Struct WAYPOINT3D Struct WORKER_ARG Struct ZIP_SINK Struct _N_DC_ENTRY Struct _N_DC_GROUP_ENTRY Struct _N_GUI_COLORWHEEL Struct _N_GUI_COLORWHEEL_BLOCK Struct _N_GUI_COLORWHEEL_MOUSE Struct _N_GUI_CURVE Struct _N_GUI_CURVE_BLOCK Struct _N_GUI_CURVE_MOUSE Struct _N_GUI_GRID Struct _N_GUI_POPUP_ENTRY Struct _N_GUI_POPUP_LEVEL Struct _N_GUI_SB_SKIN Struct _N_GUI_TA_STEP Struct _N_GUI_THUMB Struct _N_GUI_WRAP_ACC Struct _compiled Struct _conn Struct _ip_slot Struct _mp_param Struct _n_civil Struct _seg Struct client Struct collector Struct date_vector Struct md_atom Struct md_cells Struct md_hit Struct md_line_ctx Struct mline Struct n_http_req_header Struct n_http_req_limits Struct n_http_request Struct n_markdown_block Struct n_markdown_doc Struct n_markdown_inline Struct n_markdown_span Struct n_reactor_stats Struct n_url_safe Struct n_url_safe_head Struct n_wrap_item Struct producer_state Struct rects Struct reply Struct runner Struct sink Struct tbuf Struct wrap_hit Struct wrap_span Structures Union COORD_VALUE Union HASH_DATA Union NODE_DATA_TYPES Union STACK_DATA dir_310dcdd4703e877a6b99d5dc3fc54d27 dir_68267d1309a1af8e8297ef4c3efbcdba dir_d28a4824dc47e487b107a5db32ef43c4 dir_d44c64559bbebec7f509842c48db8b23 ex__accept__pool__client_8c ex__accept__pool__server_8c ex__allegro__4_8c ex__atlas_8c ex__avro_8c ex__base64_8c ex__bind__exclusive_8c ex__clipboard_8c ex__clock__sync_8c ex__common_8c ex__configfile_8c ex__cookies_8c ex__crypto_8c ex__diff_8c ex__digest_8c ex__disk__cache_8c ex__dns_8c ex__ecc_8c ex__entropy_8c ex__exceptions_8c ex__file_8c ex__file__copy_8c ex__fluid_8c ex__fluid__config_8c ex__fluid__config_8h ex__git_8c ex__gui_8c ex__gui__bench_8c ex__gui__button__keys_8c ex__gui__checkbox__label_8c ex__gui__checkbox__release_8c ex__gui__color__picker_8c ex__gui__colorwheel_8c ex__gui__combobox__items_8c ex__gui__combobox__wheel_8c ex__gui__cursor_8c ex__gui__curve_8c ex__gui__custom_8c ex__gui__custom__mouse_8c ex__gui__datagrid_8c ex__gui__datagrid__keys_8c ex__gui__datagrid__sort_8c ex__gui__detach_8c ex__gui__dictionary_8c ex__gui__display__fallback_8c ex__gui__double__click_8c ex__gui__dropmenu_8c ex__gui__frameless__drag_8c ex__gui__global__scroll_8c ex__gui__glyph_8c ex__gui__grid_8c ex__gui__hexview_8c ex__gui__hover_8c ex__gui__isometric_8c ex__gui__kvtable_8c ex__gui__label__fits_8c ex__gui__label__lines_8c ex__gui__layout__persist_8c ex__gui__listbox_8c ex__gui__md_8c ex__gui__multiwin_8c ex__gui__network_8c ex__gui__particles_8c ex__gui__placeholder_8c ex__gui__popup_8c ex__gui__progressbar_8c ex__gui__reentrant_8c ex__gui__round_8c ex__gui__sectionlist_8c ex__gui__slider__default_8c ex__gui__slider__handle_8c ex__gui__slider__step_8c ex__gui__splitpane_8c ex__gui__suggest_8c ex__gui__syntaxview_8c ex__gui__text__shorten_8c ex__gui__textarea__selection_8c ex__gui__tooltip_8c ex__gui__tree__lazy_8c ex__gui__tree__order_8c ex__gui__tree__state_8c ex__gui__window__rect_8c ex__gui__zorder_8c ex__hash_8c ex__hex_8c ex__html_8c ex__http2_8c ex__http2__server_8c ex__http3_8c ex__http__cookie_8c ex__http__form_8c ex__http__mime_8c ex__http__req_8c ex__http__response_8c ex__http__router_8c ex__http__server_8c ex__icc_8c ex__iso__astar_8c ex__json_8c ex__kafka_8c ex__linalg_8c ex__list_8c ex__log_8c ex__markdown_8c ex__module_8c ex__monolith_8c ex__network_8c ex__network_8h ex__network__accept_8c ex__network__alpn_8c ex__network__connect__abort_8c ex__network__mock_8c ex__network__proxy_8c ex__network__reactor_8c ex__network__sni_8c ex__network__sse_8c ex__network__ssl_8c ex__network__ssl__hardened_8c ex__network__ssl__hostname_8c ex__network__ssl__nonblock_8c ex__network__tls__defaults_8c ex__network__ws_8c ex__network__ws__limits_8c ex__nstr_8c ex__parallel__for_8c ex__parallel__team_8c ex__pcre_8c ex__pretty_8c ex__pth_8c ex__query_8c ex__random_8c ex__sha256_8c ex__signals_8c ex__spawn_8c ex__ssrf_8c ex__stack_8c ex__thread__pool__discard_8c ex__thread__pool__wait_8c ex__threads_8c ex__tiff_8c ex__time__formats_8c ex__trajectory_8c ex__trees_8c ex__url_8c ex__url__safe_8c ex__wrap_8c ex__x509_8c ex__zip_8c ex__zlib_8c ex_accept_pool_client_8c example ex_accept_pool_server_8c example ex_allegro_4_8c example ex_atlas_8c example ex_base64_8c example ex_clock_sync_8c example ex_common_8c example ex_configfile_8c example ex_cookies_8c example ex_crypto_8c example ex_diff_8c example ex_digest_8c example ex_disk_cache_8c example ex_dns_8c example ex_ecc_8c example ex_entropy_8c example ex_exceptions_8c example ex_file_8c example ex_file_copy_8c example ex_fluid_8c example ex_fluid_config_8c example ex_fluid_config_8h example ex_git_8c example ex_gui_8c example ex_gui_bench_8c example ex_gui_button_keys_8c example ex_gui_checkbox_label_8c example ex_gui_checkbox_release_8c example ex_gui_color_picker_8c example ex_gui_colorwheel_8c example ex_gui_combobox_items_8c example ex_gui_combobox_wheel_8c example ex_gui_cursor_8c example ex_gui_curve_8c example ex_gui_custom_8c example ex_gui_custom_mouse_8c example ex_gui_datagrid_8c example ex_gui_datagrid_keys_8c example ex_gui_datagrid_sort_8c example ex_gui_detach_8c example ex_gui_dictionary_8c example ex_gui_display_fallback_8c example ex_gui_double_click_8c example ex_gui_dropmenu_8c example ex_gui_frameless_drag_8c example ex_gui_global_scroll_8c example ex_gui_glyph_8c example ex_gui_grid_8c example ex_gui_hexview_8c example ex_gui_hover_8c example ex_gui_isometric_8c example ex_gui_kvtable_8c example ex_gui_label_fits_8c example ex_gui_label_lines_8c example ex_gui_layout_persist_8c example ex_gui_listbox_8c example ex_gui_md_8c example ex_gui_multiwin_8c example ex_gui_network_8c example ex_gui_particles_8c example ex_gui_placeholder_8c example ex_gui_popup_8c example ex_gui_progressbar_8c example ex_gui_reentrant_8c example ex_gui_round_8c example ex_gui_sectionlist_8c example ex_gui_slider_default_8c example ex_gui_slider_handle_8c example ex_gui_slider_step_8c example ex_gui_splitpane_8c example ex_gui_suggest_8c example ex_gui_syntaxview_8c example ex_gui_text_shorten_8c example ex_gui_textarea_selection_8c example ex_gui_tooltip_8c example ex_gui_tree_lazy_8c example ex_gui_tree_order_8c example ex_gui_tree_state_8c example ex_gui_window_rect_8c example ex_gui_zorder_8c example ex_hash_8c example ex_hex_8c example ex_html_8c example ex_http2_8c example ex_http2_server_8c example ex_http_cookie_8c example ex_http_form_8c example ex_http_mime_8c example ex_http_req_8c example ex_http_response_8c example ex_http_router_8c example ex_http_server_8c example ex_icc_8c example ex_iso_astar_8c example ex_json_8c example ex_kafka_8c example ex_linalg_8c example ex_list_8c example ex_log_8c example ex_markdown_8c example ex_module_8c example ex_monolith_8c example ex_network_8c example ex_network_8h example ex_network_accept_8c example ex_network_alpn_8c example ex_network_connect_abort_8c example ex_network_mock_8c example ex_network_proxy_8c example ex_network_reactor_8c example ex_network_sni_8c example ex_network_sse_8c example ex_network_ssl_8c example ex_network_ssl_hardened_8c example ex_network_ssl_hostname_8c example ex_network_ssl_nonblock_8c example ex_network_tls_defaults_8c example ex_network_ws_8c example ex_network_ws_limits_8c example ex_nstr_8c example ex_parallel_for_8c example ex_parallel_team_8c example ex_pcre_8c example ex_pretty_8c example ex_pth_8c example ex_query_8c example ex_random_8c example ex_sha256_8c example ex_signals_8c example ex_spawn_8c example ex_ssrf_8c example ex_stack_8c example ex_threads_8c example ex_tiff_8c example ex_time_formats_8c example ex_trajectory_8c example ex_trees_8c example ex_url_8c example ex_url_safe_8c example ex_wrap_8c example ex_x509_8c example ex_zip_8c example ex_zlib_8c example mainpage_8dox n__3d_8c n__3d_8h n__aabb_8c n__aabb_8h n__allegro5_8c n__allegro5_8h n__allegro__4_8c n__allegro__4_8h n__anim_8c n__anim_8h n__astar_8c n__astar_8h n__atlas_8c n__atlas_8h n__avro_8c n__avro_8h n__base64_8c n__base64_8h n__clipboard_8c n__clipboard_8h n__clock__sync_8c n__clock__sync_8h n__common_8c n__common_8h n__config__file_8c n__config__file_8h n__cookies_8c n__cookies_8h n__crypto_8c n__crypto_8h n__dead__reckoning_8c n__dead__reckoning_8h n__diff_8c n__diff_8h n__digest_8c n__digest_8h n__disk__cache_8c n__disk__cache_8h n__dns_8c n__dns_8h n__ecc_8c n__ecc_8h n__entropy_8c n__entropy_8h n__enum_8h n__exceptions_8c n__exceptions_8h n__files_8c n__files_8h n__fluids_8c n__fluids_8h n__games_8c n__games_8h n__git_8c n__git_8h n__gui_8c n__gui_8h n__gui__color_8c n__gui__color_8h n__gui__colorwheel_8c n__gui__colorwheel_8h n__gui__curve_8c n__gui__curve_8h n__gui__grid_8c n__gui__grid_8h n__gui__md_8c n__gui__md_8h n__gui__popup_8c n__gui__popup_8h n__hash_8c n__hash_8h n__hex_8c n__hex_8h n__html_8c n__html_8h n__http2_8c n__http2_8h n__http2__server_8c n__http2__server_8h n__http3_8c n__http3_8h n__http__cookie_8c n__http__cookie_8h n__http__form_8c n__http__form_8h n__http__mime_8c n__http__mime_8h n__http__req_8c n__http__req_8h n__http__response_8c n__http__response_8h n__http__router_8c n__http__router_8h n__http__server_8c n__http__server_8h n__icc_8c n__icc_8h n__iso__engine_8c n__iso__engine_8h n__json_8c n__json_8h n__kafka_8c n__kafka_8h n__linalg_8c n__linalg_8h n__list_8c n__list_8h n__log_8c n__log_8h n__lz4_8c n__lz4_8h n__markdown_8c n__markdown_8h n__module_8c n__module_8h n__network_8c n__network_8h n__network__accept__pool_8c n__network__accept__pool_8h n__network__msg_8c n__network__msg_8h n__nodup__log_8c n__nodup__log_8h n__openssl__compat_8h n__particles_8c n__particles_8h n__pcre_8c n__pcre_8h n__pretty_8c n__pretty_8h n__pth_8c n__pth_8h n__query_8c n__query_8h n__random_8c n__random_8h n__reactor_8c n__reactor_8h n__sha256_8c n__sha256_8h n__signals_8c n__signals_8h n__ssrf_8c n__ssrf_8h n__stack_8c n__stack_8h n__str_8c n__str_8h n__thread__pool_8c n__thread__pool_8h n__tiff_8c n__tiff_8h n__time_8c n__time_8h n__trajectory_8c n__trajectory_8h n__trees_8c n__trees_8h n__url__safe_8c n__url__safe_8h n__user_8c n__user_8h n__windows_8h n__wrap_8c n__wrap_8h n__x509_8c n__x509_8h n__zip_8c n__zip_8h n__zlib_8c n__zlib_8h nilorea_8h
6 Module NETWORK_MSG
gullradriel edited this page 2026-10-29 20:54:40 +01:00
Table of Contents

NETWORK MESSAGES: tools to serialize integers, double, N_STR from and back to a single N_STR *message

Structures

Name
struct NETW_MSG
network message, array of char and int

Functions

Name
double ntohd(double value)
convert network double to host byte order
void netw_msg_stats_get(long long * created, long long * deleted)
Read lifecycle counters.
int netw_msg_get_type(N_STR * msg)
get the type of a network message.
int netw_get_string(N_STR * msg, int * id, N_STR ** name, N_STR ** chan, N_STR ** txt, int * color)
get string data from a network message
int netw_get_quit(N_STR * msg)
get quit data from a network message
int netw_get_position(N_STR * msg, int * id, double * X, double * Y, double * vx, double * vy, double * acc_x, double * acc_y, int * time_stamp)
get position data from a network message
int netw_get_ping(N_STR * msg, int * type, int * from, int * to, int * time)
get ping data from a network message
int netw_get_ident(N_STR * msg, int * type, int * ident, N_STR ** name, N_STR ** passwd)
get identification data from a network message
void netw_bytes_stats_get(long long * sent, long long * recv)
Read process-wide network byte counters, sum of [N_STR.written](Struct-N_STR#user-content-variable-written) across every netw_add_msg / netw_get_msg call.
N_STR * netmsg_make_string_msg(int id_from, int id_to, N_STR * name, N_STR * chan, N_STR * txt, int color)
create a string network message
N_STR * netmsg_make_quit_msg(void )
create a quit network message
N_STR * netmsg_make_position_msg(int id, double X, double Y, double vx, double vy, double acc_x, double acc_y, int time_stamp)
create a position network message
N_STR * netmsg_make_ping(int type, int id_from, int id_to, int time)
create a ping network message
N_STR * netmsg_make_ident(int type, int id, N_STR * name, N_STR * passwd)
create an identification network message
N_STR * make_str_from_msg(NETW_MSG * msg)
serialize a NETW_MSG into a single N_STR
NETW_MSG * make_msg_from_str(N_STR * str)
deserialize a N_STR into a NETW_MSG
double htond(double value)
convert host double to network byte order
int get_str_from_msg(NETW_MSG * msg, char ** str)
get a char string from the message
int get_nstr_from_msg(NETW_MSG * msg, N_STR ** str)
get a N_STR string from the message
int get_nb_from_msg(NETW_MSG * msg, double * value)
get a float/double value from the message
int get_int_from_msg(NETW_MSG * msg, int * value)
get an int from the message
int get_bytes_from_msg(NETW_MSG * msg, void ** out_bytes, size_t * out_len)
get a binary blob from the message (counterpart of add_bytes_to_msg).
int empty_msg(NETW_MSG ** msg)
empty a NETW_MSG object
double double_swap(double value)
swap bytes of a double value
int delete_msg(NETW_MSG ** msg)
delete a NETW_MSG object
int create_msg(NETW_MSG ** msg)
create a NETW_MSG object
int add_strdup_to_msg(NETW_MSG * msg, const char * str)
add a duplicate of a char string to the message
int add_nstrptr_to_msg(NETW_MSG * msg, N_STR * str)
add a N_STR pointer to the message without copying
int add_nstrdup_to_msg(NETW_MSG * msg, N_STR * str)
add a duplicate of a N_STR to the message
int add_nb_to_msg(NETW_MSG * msg, double value)
add a float/double to the message
int add_int_to_msg(NETW_MSG * msg, int value)
add an int to the message
int add_bytes_to_msg(NETW_MSG * msg, const void * bytes, size_t len)
add a binary blob to the message, clean API for raw payloads (e.g.

Defines

Name
NETW_MSG_MAX_STRING_LENGTH
Maximum allowed length for a single string inside a network message (default: 1 GB).
NETMSG_STRING
Network Message is string: (int)type , (int)id , (N_STR *)name , (N_STR *)chan , (N_STR *)text , (int)color.
NETMSG_QUIT
Network asking for exit.
NETMSG_POSITION
Network Message position: (int)type , (int)id , (int)X , (int)Y , (int)x_shift , (int)y_shift ,(int)vx ,(int)vy , (int)speed , (int)acceleration , (int)time_stamp.
NETMSG_PING_REQUEST
Network Message is ping request: (int)type , (int)id_from , (int)id_to.
NETMSG_PING_REPLY
Network Message is ping reply: (int)type , (int)id_from , (int)id_to.
NETMSG_IDENT_REQUEST
Network Message is identification request: (int)type , (int)id , (N_STR *)name , (N_STR *)password.
NETMSG_IDENT_REPLY_OK
Network Message is identification reply OK : (int)type , (int)id , (N_STR *)name , (N_STR *)password.
NETMSG_IDENT_REPLY_NOK
Network Message is identification reply NON OK: (int)type , (int)id , (N_STR *)name , (N_STR *)password.
NETMSG_GET_BOX
Network Message is box retrieve: int x , int y , int z.
NETMSG_BOX
Network Message is box retrieving reply: (int x , int y , int z , N_STR *data ).

Functions Documentation

function ntohd

double ntohd(
    double value
)

convert network double to host byte order

Parameters:

  • value The value to eventually swap

Return: The modified value

If needed swap bytes for a double.

convert network double to host byte order

function netw_msg_stats_get

void netw_msg_stats_get(
    long long * created,
    long long * deleted
)

Read lifecycle counters.

Both pointers optional. Monotonic since process start; advisory (not thread-atomic).

function netw_msg_get_type

int netw_msg_get_type(
    N_STR * msg
)

get the type of a network message.

Parameters:

  • msg A char *msg_object you want to have type

Return: The value corresponding to the type or -1 on error

Get the type of message without killing the first number. Use with netw_get_XXX.

Returns the type value (>=0) on success, -1 on error

get the type of a network message.

function netw_get_string

int netw_get_string(
    N_STR * msg,
    int * id,
    N_STR ** name,
    N_STR ** chan,
    N_STR ** txt,
    int * color
)

get string data from a network message

Parameters:

  • msg The source string from which we are going to extract the data
  • id The ID of the sending client
  • name Name of user
  • chan Target Channel, if any. Pass "ALL" to target the default channel
  • txt The text to send
  • color The color of the text

Return: TRUE or FALSE

Retrieves string from netwmsg.

get string data from a network message

function netw_get_quit

int netw_get_quit(
    N_STR * msg
)

get quit data from a network message

Parameters:

  • msg The source string from which we are going to extract the data

Return: TRUE or FALSE

get a formatted NETWMSG_QUIT message from the specified network

get quit data from a network message

function netw_get_position

int netw_get_position(
    N_STR * msg,
    int * id,
    double * X,
    double * Y,
    double * vx,
    double * vy,
    double * acc_x,
    double * acc_y,
    int * time_stamp
)

get position data from a network message

Parameters:

  • msg The source string from which we are going to extract the data
  • id
  • X X position inside a big grid
  • Y Y position inside a big grid
  • vx X speed
  • vy Y speed
  • acc_x X acceleration
  • acc_y Y acceleration
  • time_stamp Current Time when it was sended (for some delta we would want to compute )

Return: TRUE or FALSE

Retrieves position from netwmsg.

get position data from a network message

function netw_get_ping

int netw_get_ping(
    N_STR * msg,
    int * type,
    int * from,
    int * to,
    int * time
)

get ping data from a network message

Parameters:

  • msg The source string from which we are going to extract the data
  • type NETW_PING_REQUEST or NETW_PING_REPLY
  • from Identifiant of the sender
  • to Targetted Identifiant, -1 for server ping
  • time The time it was when the ping was sended

Return: TRUE or FALSE

Retrieves a ping travel elapsed time.

get ping data from a network message

function netw_get_ident

int netw_get_ident(
    N_STR * msg,
    int * type,
    int * ident,
    N_STR ** name,
    N_STR ** passwd
)

get identification data from a network message

Parameters:

  • msg The source string from which we are going to extract the data
  • type NETMSG_IDENT_NEW , NETMSG_IDENT_REPLY_OK , NETMSG_IDENT_REPLY_NOK , NETMSG_IDENT_REQUEST
  • ident ID for the user
  • name Name of the user
  • passwd Password of the user

Return: TRUE or FALSE

Retrieves identification from netwmsg.

get identification data from a network message

function netw_bytes_stats_get

void netw_bytes_stats_get(
    long long * sent,
    long long * recv
)

Read process-wide network byte counters, sum of [N_STR.written](Struct-N_STR#user-content-variable-written) across every netw_add_msg / netw_get_msg call.

Includes wire payload only; no framing overhead. Either pointer may be NULL. Advisory (not thread-atomic).

function netmsg_make_string_msg

N_STR * netmsg_make_string_msg(
    int id_from,
    int id_to,
    N_STR * name,
    N_STR * chan,
    N_STR * txt,
    int color
)

create a string network message

Parameters:

  • id_from The ID of the sending client
  • id_to id of the destination
  • name name of the user
  • chan targeted channel
  • txt text to send
  • color color of the text

Return: N_STR *netmsg or NULL

make a network NETMSG_STRING message with given parameters

create a string network message

function netmsg_make_quit_msg

N_STR * netmsg_make_quit_msg(
    void 
)

create a quit network message

Return: N_STR *netmsg or NULL

make a generic network NETMSG_QUIT message

create a quit network message

function netmsg_make_position_msg

N_STR * netmsg_make_position_msg(
    int id,
    double X,
    double Y,
    double vx,
    double vy,
    double acc_x,
    double acc_y,
    int time_stamp
)

create a position network message

Parameters:

  • id The ID of the sending client
  • X x position
  • Y y position
  • vx x speed
  • vy y speed
  • acc_x x acceleration
  • acc_y y acceleration
  • time_stamp time when the position were copier

Return: N_STR *netmsg or NULL

make a network NETMSG_POSITION message with given parameters

create a position network message

function netmsg_make_ping

N_STR * netmsg_make_ping(
    int type,
    int id_from,
    int id_to,
    int time
)

create a ping network message

Parameters:

  • type NETW_PING_REQUEST or NETW_PING_REPLY
  • id_from Identifiant of the sender
  • id_to Identifiant of the destination, -1 if the serveur itslef is targetted
  • time The time it was when the ping was sended

Return: A N_STR *message or NULL

Make a ping message to send to a network.

create a ping network message

function netmsg_make_ident

N_STR * netmsg_make_ident(
    int type,
    int id,
    N_STR * name,
    N_STR * passwd
)

create an identification network message

Parameters:

  • type type of identification ( NETW_IDENT_REQUEST , NETW_IDENT_NEW )
  • id The ID of the sending client
  • name Username
  • passwd Password

Return: N_STR *netmsg or NULL

Add a formatted NETWMSG_IDENT message to the specified network.

create an identification network message

function make_str_from_msg

N_STR * make_str_from_msg(
    NETW_MSG * msg
)

serialize a NETW_MSG into a single N_STR

Parameters:

Return: A pointer to the generated N_STR, do not forget to free it after use !

Make a single string of the message.

serialize a NETW_MSG into a single N_STR

function make_msg_from_str

NETW_MSG * make_msg_from_str(
    N_STR * str
)

deserialize a N_STR into a NETW_MSG

Parameters:

Return: A pointer to the generated NETW_MSG, do not forget to free it after use !

Make a single message of the string.

deserialize a N_STR into a NETW_MSG

function htond

double htond(
    double value
)

convert host double to network byte order

Parameters:

  • value The value to eventually swap

Return: The modified value

If needed swap bytes for a double.

convert host double to network byte order

function get_str_from_msg

int get_str_from_msg(
    NETW_MSG * msg,
    char ** str
)

get a char string from the message

Parameters:

  • msg The NETW_MSG where you have a str to get
  • value A pointer to a NULL N_STR for storage

Return: TRUE or FALSE

Get a string from a message string list.

get a char string from the message

function get_nstr_from_msg

int get_nstr_from_msg(
    NETW_MSG * msg,
    N_STR ** str
)

get a N_STR string from the message

Parameters:

  • msg The NETW_MSG where you have a str to get
  • value A pointer to a NULL N_STR for storage

Return: TRUE or FALSE

Get a string from a message string list.

get a N_STR string from the message

function get_nb_from_msg

int get_nb_from_msg(
    NETW_MSG * msg,
    double * value
)

get a float/double value from the message

Parameters:

  • msg A NETW_MSG *object for extracting number
  • value A double pointer where the result will be stored

Return: TRUE or FALSE

Get a number from a message number list.

get a float/double value from the message

function get_int_from_msg

int get_int_from_msg(
    NETW_MSG * msg,
    int * value
)

get an int from the message

Parameters:

  • msg A NETW_MSG *object for extracting int
  • value An int pointer where the result will be stored

Return: TRUE or FALSE

Get an int from a message int list.

get an int from the message

function get_bytes_from_msg

int get_bytes_from_msg(
    NETW_MSG * msg,
    void ** out_bytes,
    size_t * out_len
)

get a binary blob from the message (counterpart of add_bytes_to_msg).

Parameters:

  • msg source NETW_MSG
  • out_bytes receives the allocated payload pointer
  • out_len receives the payload size in bytes

Return: TRUE on success, FALSE on missing entry / empty payload

Get a binary blob from the message (counterpart of add_bytes_to_msg).

Allocates *out_bytes (caller frees with free) and writes its size into *out_len. Returns TRUE on success, FALSE on missing entry or empty payload.

get a binary blob from the message (counterpart of add_bytes_to_msg).

The payload is handed to the caller as a plain-malloc'd buffer + length; the caller frees it when done.

function empty_msg

int empty_msg(
    NETW_MSG ** msg
)

empty a NETW_MSG object

Parameters:

Return: TRUE or FALSE

Empty a NETW_MSG *object.

empty a NETW_MSG object

function double_swap

double double_swap(
    double value
)

swap bytes of a double value

Parameters:

  • value The double to swap

Return: A swapped double

Swap bytes endiannes for a double.

swap bytes of a double value

function delete_msg

int delete_msg(
    NETW_MSG ** msg
)

delete a NETW_MSG object

Parameters:

Return: TRUE or FALSE

Delete a NETW_MSG *object.

delete a NETW_MSG object

function create_msg

int create_msg(
    NETW_MSG ** msg
)

create a NETW_MSG object

Parameters:

Return: TRUE or FALSE

Create a NETW_MSG *object.

create a NETW_MSG object

function add_strdup_to_msg

int add_strdup_to_msg(
    NETW_MSG * msg,
    const char * str
)

add a duplicate of a char string to the message

Parameters:

  • msg A NETW_MSG *object to complete with the string
  • str The string to add to the message

Return: TRUE or FALSE

Add a copy of char *str to the string list in the message.

add a duplicate of a char string to the message

function add_nstrptr_to_msg

int add_nstrptr_to_msg(
    NETW_MSG * msg,
    N_STR * str
)

add a N_STR pointer to the message without copying

Parameters:

  • msg A NETW_MSG *object to complete with the string
  • str The string to add to the message

Return: TRUE or FALSE

Add a string to the string list in the message.

add a N_STR pointer to the message without copying

function add_nstrdup_to_msg

int add_nstrdup_to_msg(
    NETW_MSG * msg,
    N_STR * str
)

add a duplicate of a N_STR to the message

Parameters:

  • msg A NETW_MSG *object to complete with the string
  • str The string to add to the message

Return: TRUE or FALSE

Add a copy of str to the string list in the message.

add a duplicate of a N_STR to the message

function add_nb_to_msg

int add_nb_to_msg(
    NETW_MSG * msg,
    double value
)

add a float/double to the message

Parameters:

  • msg A NETW_MSG *object to complete with the value
  • value The value to add to the message

Return: TRUE or FALSE

Warning: The floating value will be rounded by the network serialization !

Add an float to the message.

add a float/double to the message

function add_int_to_msg

int add_int_to_msg(
    NETW_MSG * msg,
    int value
)

add an int to the message

Parameters:

  • msg A NETW_MSG *object to complete with the value
  • value The value to add to the message

Return: TRUE or FALSE

Add an int to the int list int the message.

add an int to the message

function add_bytes_to_msg

int add_bytes_to_msg(
    NETW_MSG * msg,
    const void * bytes,
    size_t len
)

add a binary blob to the message, clean API for raw payloads (e.g.

Parameters:

  • msg destination NETW_MSG
  • bytes pointer to the payload (copied into an internal N_STR)
  • len number of bytes to copy

Return: TRUE on success, FALSE on any allocation / argument failure

Add a binary blob to the message (clean alias for a raw N_STR payload, distinguishes binary data from character strings at call sites).

packed entity wires, batched snapshots) that should not be confused with character strings. Internally wraps add_nstrptr_to_msg so the wire format is identical to a regular string today; the distinction exists for caller clarity and for a future framing compaction (the redundant N_STRlength field could be removed without touching call sites).

add a binary blob to the message, clean API for raw payloads (e.g.

Internally this is the same wire format as add_nstrptr_to_msg, the split exists so consumers that ship packed binary records (entity wires, batched snapshots, path waypoints, etc.) can express their intent without faking a C string. A future [NETW_MSG](Struct-NETW_MSG) framing revision that removes the redundant N_STRlength field would save 4 B per blob at the receive side; call sites using add_bytes_to_msg would pick that saving up for free.

Macros Documentation

define NETW_MSG_MAX_STRING_LENGTH

#define NETW_MSG_MAX_STRING_LENGTH (1024UL * 1024UL * 1024UL)

Maximum allowed length for a single string inside a network message (default: 1 GB).

Override before including this header to change the limit.

define NETMSG_STRING

#define NETMSG_STRING 3

Network Message is string: (int)type , (int)id , (N_STR *)name , (N_STR *)chan , (N_STR *)text , (int)color.

define NETMSG_QUIT

#define NETMSG_QUIT 9

Network asking for exit.

define NETMSG_POSITION

#define NETMSG_POSITION 4

Network Message position: (int)type , (int)id , (int)X , (int)Y , (int)x_shift , (int)y_shift ,(int)vx ,(int)vy , (int)speed , (int)acceleration , (int)time_stamp.

define NETMSG_PING_REQUEST

#define NETMSG_PING_REQUEST 5

Network Message is ping request: (int)type , (int)id_from , (int)id_to.

define NETMSG_PING_REPLY

#define NETMSG_PING_REPLY 6

Network Message is ping reply: (int)type , (int)id_from , (int)id_to.

define NETMSG_IDENT_REQUEST

#define NETMSG_IDENT_REQUEST 0

Network Message is identification request: (int)type , (int)id , (N_STR *)name , (N_STR *)password.

define NETMSG_IDENT_REPLY_OK

#define NETMSG_IDENT_REPLY_OK 1

Network Message is identification reply OK : (int)type , (int)id , (N_STR *)name , (N_STR *)password.

define NETMSG_IDENT_REPLY_NOK

#define NETMSG_IDENT_REPLY_NOK 2

Network Message is identification reply NON OK: (int)type , (int)id , (N_STR *)name , (N_STR *)password.

define NETMSG_GET_BOX

#define NETMSG_GET_BOX 7

Network Message is box retrieve: int x , int y , int z.

define NETMSG_BOX

#define NETMSG_BOX 8

Network Message is box retrieving reply: (int x , int y , int z , N_STR *data ).

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