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extern crate libc; use api::ErrorCode; use commands::{Command, CommandExecutor}; use commands::agent::AgentCommand; use errors::ToErrorCode; use utils::cstring::CStringUtils; use self::libc::c_char; /// Establishes agent to agent connection. /// /// Information about sender Identity must be saved in the wallet with indy_create_and_store_my_did /// call before establishing of connection. /// /// Information about receiver Identity can be saved in the wallet with indy_store_their_did /// call before establishing of connection. If there is no corresponded wallet record for receiver Identity /// than this call will lookup Identity Ledger and cache this information in the wallet. /// /// Note that messages encryption/decryption will be performed automatically. /// /// #Params /// command_handle: Command handle to map callback to caller context. /// pool_handle: Pool handle (created by open_pool_ledger). /// wallet_handle: Wallet handle (created by open_wallet). /// sender_did: Id of sender Identity stored in secured Wallet. /// receiver_did: Id of receiver Identity. /// connection_cb: Callback that will be called after establishing of connection or on error. /// Will be called exactly once with result of connect operation. /// message_cb: Callback that will be called on receiving of an incoming message. /// Can be called multiply times: once for each incoming message. /// /// #Returns /// Error code /// connection_cb: /// - xcommand_handle: command handle to map callback to caller context. /// - err: Error code. /// - connection_handle: Connection handle to use for messages sending and mapping of incomming messages to this connection. /// message_cb: /// - xconnection_handle: Connection handle. Indetnifies connection. /// - err: Error code. /// - message: Received message. #[no_mangle] pub extern fn indy_agent_connect(command_handle: i32, pool_handle: i32, wallet_handle: i32, sender_did: *const c_char, receiver_did: *const c_char, connection_cb: Option<extern fn(xcommand_handle: i32, err: ErrorCode, connection_handle: i32)>, message_cb: Option<extern fn(xconnection_handle: i32, err: ErrorCode, message: *const c_char)>) -> ErrorCode { check_useful_c_str!(sender_did, ErrorCode::CommonInvalidParam3); check_useful_c_str!(receiver_did, ErrorCode::CommonInvalidParam4); check_useful_c_callback!(connection_cb, ErrorCode::CommonInvalidParam5); check_useful_c_callback!(message_cb, ErrorCode::CommonInvalidParam6); let result = CommandExecutor::instance().send( Command::Agent( AgentCommand::Connect( pool_handle, wallet_handle, sender_did, receiver_did, Box::new(move |result| { let (err, handle) = result_to_err_code_1!(result, 0); connection_cb(command_handle, err, handle); }), Box::new(move |result| { let (err, handle, msg) = result_to_err_code_2!(result, 0, String::new()); let msg = CStringUtils::string_to_cstring(msg); message_cb(handle, err, msg.as_ptr()); }) ) ) ); result_to_err_code!(result) } /// Starts listening of agent connections. /// /// Listener will accept only connections to registered DIDs by indy_agent_add_identity call. /// /// Information about sender Identity for incomming connection validation can be saved in the wallet /// with indy_store_their_did call before establishing of connection. If there is no corresponded /// wallet record for sender Identity than listener will lookup Identity Ledger and cache this /// information in the wallet. /// /// Note that messages encryption/decryption will be performed automatically. /// /// #Params /// command_handle: command handle to map callback to caller context. /// endpoint: endpoint to use in starting listener. /// listener_cb: Callback that will be called after listening started or on error. /// Will be called exactly once with result of start listen operation. /// connection_cb: Callback that will be called after establishing of incoming connection. /// Can be called multiply times: once for each incoming connection. /// message_cb: Callback that will be called on receiving of an incoming message. /// Can be called multiply times: once for each incoming message. /// /// #Returns /// Error code /// listener_cb: /// - xcommand_handle: command handle to map callback to caller context. /// - err: Error code /// - listener_handle: Listener handle to use for mapping of incomming connections to this listener. /// connection_cb: /// - xlistener_handle: Listener handle. Identifies listener. /// - err: Error code /// - connection_handle: Connection handle to use for messages sending and mapping of incomming messages to to this connection. /// - sender_did: Id of sender Identity stored in secured Wallet. /// - receiver_did: Id of receiver Identity. /// message_cb: /// - xconnection_handle: Connection handle. Indetnifies connection. /// - err: Error code. /// - message: Received message. #[no_mangle] pub extern fn indy_agent_listen(command_handle: i32, endpoint: *const c_char, listener_cb: Option<extern fn(xcommand_handle: i32, err: ErrorCode, listener_handle: i32)>, connection_cb: Option<extern fn(xlistener_handle: i32, err: ErrorCode, connection_handle: i32, sender_did: *const c_char, receiver_did: *const c_char)>, message_cb: Option<extern fn(xconnection_handle: i32, err: ErrorCode, message: *const c_char)>) -> ErrorCode { check_useful_c_str!(endpoint, ErrorCode::CommonInvalidParam2); check_useful_c_callback!(listener_cb, ErrorCode::CommonInvalidParam3); check_useful_c_callback!(connection_cb, ErrorCode::CommonInvalidParam4); check_useful_c_callback!(message_cb, ErrorCode::CommonInvalidParam5); let cmd = Command::Agent(AgentCommand::Listen( endpoint, Box::new(move |result| { let (err, handle) = result_to_err_code_1!(result, 0); listener_cb(command_handle, err, handle); }), Box::new(move |result| { let (err, listener_handle, conn_handle, sender_did, receiver_did) = result_to_err_code_4!(result, 0, 0, String::new(), String::new()); connection_cb(listener_handle, err, conn_handle, CStringUtils::string_to_cstring(sender_did).as_ptr(), CStringUtils::string_to_cstring(receiver_did).as_ptr()); }), Box::new(move |result| { let (err, handle, msg) = result_to_err_code_2!(result, 0, String::new()); let msg = CStringUtils::string_to_cstring(msg); message_cb(handle, err, msg.as_ptr()); }) )); let result = CommandExecutor::instance().send(cmd); result_to_err_code!(result) } /// Add identity to listener. /// /// Performs wallet lookup to find corresponded receiver Identity information. /// Information about receiver Identity must be saved in the wallet with /// indy_create_and_store_my_did call before this call. /// /// After successfully add_identity listener will start to accept incoming connection to added DID. /// /// /// #Params /// command_handle: command handle to map callback to caller context. /// listener_handle: listener handle (created by indy_agent_listen). /// pool_handle: pool handle (created by open_pool_ledger). /// wallet_handle: wallet handle (created by open_wallet). /// did: DID of identity. /// /// add_identity_cb: Callback that will be called after identity added or on error. /// Will be called exactly once with result of start listen operation. /// /// #Returns /// Error code /// add_identity_cb: /// - xcommand_handle: command handle to map callback to caller context. /// - err: Error code #[no_mangle] pub extern fn indy_agent_add_identity(command_handle: i32, listener_handle: i32, pool_handle: i32, wallet_handle: i32, did: *const c_char, add_identity_cb: Option<extern fn(xcommand_handle: i32, err: ErrorCode)>) -> ErrorCode { check_useful_c_str!(did, ErrorCode::CommonInvalidParam5); check_useful_c_callback!(add_identity_cb, ErrorCode::CommonInvalidParam6); let cmd = Command::Agent(AgentCommand::ListenerAddIdentity( listener_handle, pool_handle, wallet_handle, did, Box::new(move |result| { let result = result_to_err_code!(result); add_identity_cb(command_handle, result); }), )); let result = CommandExecutor::instance().send(cmd); result_to_err_code!(result) } /// Remove identity from listener. /// /// Performs wallet lookup to find corresponded receiver Identity information. /// Information about receiver Identity must be saved in the wallet with /// indy_create_and_store_my_did call before this call. /// /// After successfully rm_identity listener will stop to accept incoming connection to removed DID. /// /// /// #Params /// command_handle: command handle to map callback to caller context. /// listener_handle: listener handle (created by indy_agent_listen). /// wallet_handle: wallet handle (created by open_wallet). /// did: DID of identity. /// /// rm_identity_cb: Callback that will be called after identity removed or on error. /// Will be called exactly once with result of start listen operation. /// /// #Returns /// Error code /// rm_identity_cb: /// - xcommand_handle: command handle to map callback to caller context. /// - err: Error code #[no_mangle] pub extern fn indy_agent_remove_identity(command_handle: i32, listener_handle: i32, wallet_handle: i32, did: *const c_char, rm_identity_cb: Option<extern fn(xcommand_handle: i32, err: ErrorCode)>) -> ErrorCode { check_useful_c_str!(did, ErrorCode::CommonInvalidParam4); check_useful_c_callback!(rm_identity_cb, ErrorCode::CommonInvalidParam5); let cmd = Command::Agent(AgentCommand::ListenerRmIdentity( listener_handle, wallet_handle, did, Box::new(move |result| { let result = result_to_err_code!(result); rm_identity_cb(command_handle, result); }), )); let result = CommandExecutor::instance().send(cmd); result_to_err_code!(result) } /// Sends message to connected agent. /// /// Note that this call works for both incoming and outgoing connections. /// Note that messages encryption/decryption will be performed automatically. /// /// #Params /// command_handle: command handle to map callback to caller context. /// connection_handle: Connection handle returned by indy_agent_connect or indy_agent_listen calls. /// message: Message to send. /// cb: Callback that will be called after message sent or on error. Will be called exactly once. /// /// #Returns /// err: Error code /// cb: /// - xcommand_handle: Command handle to map callback to caller context. /// - err: Error code /// /// #Errors #[no_mangle] pub extern fn indy_agent_send(command_handle: i32, connection_handle: i32, message: *const c_char, cb: Option<extern fn(xcommand_handle: i32, err: ErrorCode)>) -> ErrorCode { check_useful_opt_c_str!(message, ErrorCode::CommonInvalidParam3); check_useful_c_callback!(cb, ErrorCode::CommonInvalidParam4); let cmd = Command::Agent(AgentCommand::Send( connection_handle, message, Box::new(move |result| { cb(command_handle, result_to_err_code!(result)) }) )); let res = CommandExecutor::instance().send(cmd); result_to_err_code!(res) } /// Closes agent connection. /// /// Note that this call works for both incoming and outgoing connections. /// /// #Params /// command_handle: command handle to map callback to caller context. /// connection_handle: Connection handle returned by indy_agent_connect or indy_agent_listen calls. /// cb: Callback that will be called after connection closed or on error. Will be called exactly once. /// /// #Returns /// Error code /// cb: /// - xcommand_handle: command handle to map callback to caller context. /// - err: Error code /// /// #Errors #[no_mangle] pub extern fn indy_agent_close_connection(command_handle: i32, connection_handle: i32, cb: Option<extern fn(xcommand_handle: i32, err: ErrorCode)>) -> ErrorCode { check_useful_c_callback!(cb, ErrorCode::CommonInvalidParam4); let cmd = Command::Agent(AgentCommand::CloseConnection( connection_handle, Box::new(move |result| { cb(command_handle, result_to_err_code!(result)) }) )); let res = CommandExecutor::instance().send(cmd); result_to_err_code!(res) } /// Closes listener and stops listening for agent connections. /// /// Note that all opened incomming connections will be closed automatically. /// /// #Params /// command_handle: command handle to map callback to caller context. /// listener_handle: Listener handle returned by indy_agent_listen call. /// cb: Callback that will be called after listener closed or on error. Will be called exactly once. /// /// #Returns /// Error code /// cb: /// - xcommand_handle: command handle to map callback to caller context. /// - err: Error code /// /// #Errors #[no_mangle] pub extern fn indy_agent_close_listener(command_handle: i32, listener_handle: i32, cb: Option<extern fn(xcommand_handle: i32, err: ErrorCode)>) -> ErrorCode { check_useful_c_callback!(cb, ErrorCode::CommonInvalidParam4); let cmd = Command::Agent(AgentCommand::CloseListener( listener_handle, Box::new(move |result| { cb(command_handle, result_to_err_code!(result)) }) )); let res = CommandExecutor::instance().send(cmd); result_to_err_code!(res) }