AMPS C/C++ Client Class Reference
AMPS C/C++ Client Version 5.3.4.3
amps.h
Go to the documentation of this file.
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25 
26 #ifndef _AMPS_H_
27 #define _AMPS_H_
28 
29 #ifdef _WIN32
30  #include <WinSock2.h>
31 #else
32  #include <netdb.h>
33  #include <netinet/ip.h>
34  #include <errno.h>
35  #include <pthread.h>
36  #include <unistd.h>
37  #include <time.h>
38 #endif
39 #include <string.h>
40 #include <time.h>
41 #include <stdio.h>
42 #include "amps/amps_generated.h"
43 
44 #ifdef AMPS_CPP_COUNT_THREADS
45 #ifdef __cplusplus
46 extern "C" {
47 #endif
48  size_t amps_get_thread_create_count(void);
49  size_t amps_get_thread_join_count(void);
50  size_t amps_get_thread_detach_count(void);
51 #ifdef __cplusplus
52 }
53 #endif
54 #endif
55 
56 //Avoid compiler warnings on win
57 #ifdef INVALID_SOCKET
58  #define AMPS_INVALID_SOCKET INVALID_SOCKET
59 #else
60  #define AMPS_INVALID_SOCKET -1
61 #endif
62 
63 #ifdef _WIN32
64  #ifdef AMPS_SHARED
65  #ifdef AMPS_BUILD
66  #define AMPSDLL __declspec(dllexport)
67  #else
68  #define AMPSDLL __declspec(dllimport)
69  #endif
70  #else
71  #define AMPSDLL
72  #endif
73  #define AMPS_USLEEP(x) Sleep((DWORD)(x)/(DWORD)1000);
74  #define AMPS_YIELD() SwitchToThread()
75  #define AMPS_CURRENT_THREAD() GetCurrentThreadId()
76  typedef HANDLE AMPS_THREAD_T;
77  typedef DWORD AMPS_THREAD_ID;
78  typedef SOCKET AMPS_SOCKET;
79  typedef __int32 amps_int32_t;
80  typedef unsigned __int32 amps_uint32_t;
81  typedef __int64 amps_int64_t;
82  typedef unsigned __int64 amps_uint64_t;
83 #else
84  #define AMPSDLL
85  #define AMPS_USLEEP(x) usleep((useconds_t)x)
86  #define AMPS_YIELD() sched_yield()
87  #define AMPS_CURRENT_THREAD() pthread_self()
88  typedef pthread_t AMPS_THREAD_T;
89  typedef pthread_t AMPS_THREAD_ID;
90  typedef int AMPS_SOCKET;
91  typedef int32_t amps_int32_t;
92  typedef uint32_t amps_uint32_t;
93  typedef int64_t amps_int64_t;
94  typedef uint64_t amps_uint64_t;
95 #endif
96 
97 #if defined(_WIN32) || defined(__SSE_4_2__)
98  #define AMPS_SSE_42 1
99 #endif
100 
199 #ifdef __cplusplus
200 extern "C" {
201 #endif
202 
203 typedef char amps_char;
204 
211 typedef void* amps_handle;
212 
216 typedef enum
217 {
274 } amps_result;
275 
276 typedef amps_result(*amps_handler)(amps_handle, void*);
277 typedef void(*amps_predisconnect_handler)(amps_handle, unsigned, void*);
278 
279 
289 AMPSDLL amps_handle amps_client_create(
290  const amps_char* clientName);
291 
302 AMPSDLL amps_result amps_client_set_name(
303  amps_handle handle,
304  const amps_char* clientName);
305 
313 AMPSDLL amps_result amps_client_connect(
314  amps_handle handle,
315  const amps_char* uri);
316 
321 AMPSDLL void amps_client_disconnect(
322  amps_handle handle);
323 
330 AMPSDLL void amps_client_destroy(
331  amps_handle handle);
332 
341 AMPSDLL size_t amps_client_get_error(
342  amps_handle client,
343  amps_char* errorMessageOut,
344  size_t bufferSize);
345 
353 AMPSDLL amps_result amps_client_send(
354  amps_handle client,
355  amps_handle message);
356 
365 AMPSDLL amps_result amps_client_send_with_version(
366  amps_handle client,
367  amps_handle message,
368  unsigned* version_out);
369 
370 
380  amps_handle client,
381  amps_handler messageHandler,
382  void* userData);
383 
393  amps_handle client,
394  amps_predisconnect_handler predisconnectHandler,
395  void* userData);
396 
406  amps_handle client,
407  amps_handler disconnectHandler,
408  void* userData);
409 
416 AMPSDLL amps_handle amps_client_get_transport(
417  amps_handle client);
418 
426 AMPSDLL amps_result
427 amps_client_attempt_reconnect(amps_handle client, unsigned version);
428 
435 AMPSDLL AMPS_SOCKET
436 amps_client_get_socket(amps_handle client);
437 
447 AMPSDLL amps_handle amps_message_create(amps_handle client);
448 
454 AMPSDLL amps_handle amps_message_copy(amps_handle message);
455 
460 AMPSDLL void amps_message_destroy(amps_handle message);
461 
468 AMPSDLL void amps_message_reset(amps_handle message);
469 
484 AMPSDLL void amps_message_get_field_value(
485  amps_handle message,
486  FieldId field,
487  const amps_char** value_ptr,
488  size_t* length_ptr);
489 
497 AMPSDLL void amps_message_set_field_value(
498  amps_handle message,
499  FieldId field,
500  const amps_char* value,
501  size_t length);
502 
511  amps_handle message,
512  FieldId field,
513  const amps_char* value,
514  size_t length);
515 
524  amps_handle message,
525  FieldId field,
526  const amps_char* value);
527 
528 
535 AMPSDLL void amps_message_set_field_guid(
536  amps_handle message,
537  FieldId field);
538 
545 AMPSDLL void amps_message_set_data(
546  amps_handle message,
547  const amps_char* value,
548  size_t length);
549 
556 AMPSDLL void amps_message_assign_data(
557  amps_handle message,
558  const amps_char* value,
559  size_t length);
560 
566 AMPSDLL void amps_message_set_data_nts(
567  amps_handle message,
568  const amps_char* value);
569 
582 AMPSDLL void amps_message_get_data(
583  amps_handle message,
584  amps_char** value_ptr,
585  size_t* length_ptr);
586 
593 AMPSDLL unsigned long amps_message_get_field_long(
594  amps_handle message,
595  FieldId field);
596 
603 AMPSDLL amps_uint64_t amps_message_get_field_uint64(
604  amps_handle message,
605  FieldId field);
606 
616 AMPSDLL amps_result amps_client_set_read_timeout(
617  amps_handle client,
618  int readTimeout);
619 
620 
630 AMPSDLL amps_result amps_client_set_idle_time(
631  amps_handle client,
632  int idleTime);
633 
642 typedef void(*amps_transport_filter_function)(const unsigned char*, size_t, short, void*);
643 
658  amps_handle client,
660  void* userData);
661 
668 typedef amps_result(*amps_thread_created_callback)(AMPS_THREAD_T, void*);
669 
681 AMPSDLL amps_result amps_client_set_thread_created_callback(
682  amps_handle client,
684  void* userData);
685 
692 typedef amps_result(*amps_thread_exit_callback)(AMPS_THREAD_ID, void*);
693 
705 AMPSDLL amps_result amps_client_set_thread_exit_callback(
706  amps_handle client,
707  amps_thread_exit_callback callback,
708  void* userData);
709 
715 AMPSDLL AMPS_SOCKET
716 amps_tcp_get_socket(amps_handle transport);
717 
718 AMPSDLL AMPS_SOCKET
719 amps_tcps_get_socket(amps_handle transport);
720 
726 AMPSDLL void*
727 amps_tcps_get_SSL(amps_handle transport);
728 
729 /*
730  * Returns the current wall-clock time in milliseconds
731  */
732 AMPSDLL amps_uint64_t
733 amps_now(void);
734 
735 
759 AMPSDLL int amps_ssl_init(const char* dllPath_);
760 
768 AMPSDLL int amps_ssl_set_verify(int mode_);
769 
780 AMPSDLL int amps_ssl_load_verify_locations(const char* caFile_, const char* caPath_);
781 
787 AMPSDLL void amps_ssl_free(void);
788 
794 AMPSDLL const char* amps_ssl_get_error(void);
795 
796 AMPSDLL void amps_noOpFn(void*);
797 
798 /*
799  * Internal API for use by the python client.
800  */
801 AMPSDLL void amps_set_waiting_function(void*);
802 AMPSDLL void amps_invoke_waiting_function(void);
803 AMPSDLL void amps_set_remove_route_function(void*);
804 AMPSDLL void amps_invoke_remove_route_function(void*);
805 AMPSDLL void amps_set_copy_route_function(void*);
806 AMPSDLL void* amps_invoke_copy_route_function(void*);
807 
808 #ifdef __cplusplus
809 }
810 #if !defined(_AMPS_BUILD_C_CLIENT) && !defined(_AMPS_SKIP_AMPSPLUSPLUS)
811  #include <amps/ampsplusplus.hpp>
812 #endif
813 #endif
814 
815 #endif
AMPSDLL void amps_ssl_free(void)
Frees OpenSSL context and shared library.
A connection error occurred.
Definition: amps.h:233
AMPSDLL void amps_client_set_disconnect_handler(amps_handle client, amps_handler disconnectHandler, void *userData)
Sets the disconnect handler function to be called when a disconnect occurs.
AMPSDLL amps_handle amps_message_create(amps_handle client)
Functions for creation and manipulation of AMPS messages.
AMPSDLL amps_result amps_client_set_thread_exit_callback(amps_handle client, amps_thread_exit_callback callback, void *userData)
Sets a user-supplied callback function for when a thread created for a connection is exiting...
AMPSDLL int amps_ssl_set_verify(int mode_)
Configures OpenSSL to validate the server&#39;s certificate when connecting.
The specified URI is invalid.
Definition: amps.h:261
AMPSDLL amps_result amps_client_set_name(amps_handle handle, const amps_char *clientName)
Sets the name on an amps client object.
AMPSDLL amps_handle amps_message_copy(amps_handle message)
Creates and returns a handle to a new AMPS message object that is a deep copy of the message passed i...
AMPSDLL amps_result amps_client_connect(amps_handle handle, const amps_char *uri)
Connects to the AMPS server specified in uri.
AMPSDLL void amps_client_disconnect(amps_handle handle)
Disconnects from the AMPS server, if connected.
AMPSDLL AMPS_SOCKET amps_client_get_socket(amps_handle client)
Returns the socket from the underlying transport in client, or NULL if no transport is associated wit...
A Secure Sockets Layer (SSL) error occurred.
Definition: amps.h:273
AMPSDLL amps_result amps_client_set_transport_filter_function(amps_handle client, amps_transport_filter_function filter, void *userData)
Sets a user-supplied callback function for filtering data before it is sent and after it is received...
AMPSDLL amps_uint64_t amps_message_get_field_uint64(amps_handle message, FieldId field)
Gets the unsigned 64-bit int value of a header field in an AMPS message.
AMPSDLL amps_result amps_client_set_idle_time(amps_handle client, int idleTime)
Sets an idle-time (milliseconds).
AMPSDLL unsigned long amps_message_get_field_long(amps_handle message, FieldId field)
Gets the long integer value of a header field in an AMPS message.
AMPSDLL void amps_message_set_field_value(amps_handle message, FieldId field, const amps_char *value, size_t length)
Sets the value of a header field in an AMPS message.
Success.
Definition: amps.h:221
The specified topic was invalid.
Definition: amps.h:237
void * amps_handle
Opaque handle type used to refer to objects in the AMPS api.
Definition: amps.h:211
AMPSDLL void amps_message_assign_data(amps_handle message, const amps_char *value, size_t length)
Assigns the data component of an AMPS message, without copying the value.
amps_result
Return values from amps_xxx functions.
Definition: amps.h:216
AMPSDLL amps_handle amps_client_create(const amps_char *clientName)
Functions for creation of an AMPS client.
void(* amps_transport_filter_function)(const unsigned char *, size_t, short, void *)
Prototype for a user-supplied callback function for filtering data before it is sent and after it is ...
Definition: amps.h:642
AMPSDLL size_t amps_client_get_error(amps_handle client, amps_char *errorMessageOut, size_t bufferSize)
Returns the last error set on this client.
AMPSDLL amps_result amps_client_send_with_version(amps_handle client, amps_handle message, unsigned *version_out)
Sends a message to the AMPS server.
AMPSDLL void amps_client_set_message_handler(amps_handle client, amps_handler messageHandler, void *userData)
Sets the message handler function for this client.
A memory error occurred.
Definition: amps.h:225
AMPSDLL void amps_message_set_data_nts(amps_handle message, const amps_char *value)
Sets the data component of an AMPS message.
AMPSDLL void amps_message_reset(amps_handle message)
Clears all fields and data in a message.
Core type, function, and class declarations for the AMPS C++ client.
The specified filter was invalid.
Definition: amps.h:241
An error with a command occurred.
Definition: amps.h:229
AMPSDLL void amps_message_get_field_value(amps_handle message, FieldId field, const amps_char **value_ptr, size_t *length_ptr)
Retrieves the value of a header field in an AMPS message.
AMPSDLL void * amps_tcps_get_SSL(amps_handle transport)
Retrieves the SSL object from the underlying TCPS transport.
AMPSDLL void amps_message_get_data(amps_handle message, amps_char **value_ptr, size_t *length_ptr)
Gets the data component of an AMPS message.
AMPSDLL AMPS_SOCKET amps_tcp_get_socket(amps_handle transport)
TRANSPORT-SPECIFIC APIS.
AMPSDLL void amps_message_destroy(amps_handle message)
Destroys and frees the memory associated with an AMPS message object.
The server could not be found, or it actively refused our connection.
Definition: amps.h:253
AMPSDLL void amps_message_assign_field_value(amps_handle message, FieldId field, const amps_char *value, size_t length)
Assigns the value of a header field in an AMPS message, without copying the value.
AMPSDLL void amps_message_set_data(amps_handle message, const amps_char *value, size_t length)
Sets the data component of an AMPS message.
AMPSDLL void amps_client_set_predisconnect_handler(amps_handle client, amps_predisconnect_handler predisconnectHandler, void *userData)
Sets the predisconnect handler function to be called when a disconnect occurs.
AMPSDLL amps_handle amps_client_get_transport(amps_handle client)
Returns a handle to the transport set in client, or NULL if no transport is associated with this tran...
AMPSDLL void amps_message_set_field_guid(amps_handle message, FieldId field)
Sets the value of a header field in an AMPS message to a new, globally unique identifier("GUID") ...
The usage of this function is invalid.
Definition: amps.h:269
AMPSDLL void amps_message_set_field_value_nts(amps_handle message, FieldId field, const amps_char *value)
Sets the value of a header field in an AMPS message from a null-terminated string.
AMPSDLL amps_result amps_client_send(amps_handle client, amps_handle message)
Sends a message to the AMPS server.
AMPSDLL amps_result amps_client_set_thread_created_callback(amps_handle client, amps_thread_created_callback callback, void *userData)
Sets a user-supplied callback function to allow thread attributes to set when a new thread is created...
amps_result(* amps_thread_exit_callback)(AMPS_THREAD_ID, void *)
Prototype for a user-supplied callback function when a thread created for a connection is exiting...
Definition: amps.h:692
amps_result(* amps_thread_created_callback)(AMPS_THREAD_T, void *)
Prototype for a user-supplied callback function to allow thread attributes to be set when a new threa...
Definition: amps.h:668
A stream error has occurred.
Definition: amps.h:257
The operation has not succeeded, but ought to be retried.
Definition: amps.h:245
AMPSDLL amps_result amps_client_set_read_timeout(amps_handle client, int readTimeout)
Sets a read timeout (seconds), in which if no message is received, the connection is presumed dead...
AMPSDLL const char * amps_ssl_get_error(void)
Returns the description of the last error from calling amps_ssl_init().
AMPSDLL int amps_ssl_init(const char *dllPath_)
Initializes SSL support in the AMPS Client.
AMPSDLL amps_result amps_client_attempt_reconnect(amps_handle client, unsigned version)
Manually invokes the user-supplied disconnect handler for this client.
AMPSDLL void amps_client_destroy(amps_handle handle)
Disconnects and destroys an AMPS client object.
AMPSDLL int amps_ssl_load_verify_locations(const char *caFile_, const char *caPath_)
Configures OpenSSL to use the specified locations for locating CA certificates.
The client and server are disconnected.
Definition: amps.h:249
The specified transport type is invalid.
Definition: amps.h:265