Annotation of embedaddon/iperf/src/iperf_api.h, revision 1.1.1.2
1.1 misho 1: /*
1.1.1.2 ! misho 2: * iperf, Copyright (c) 2014-2020, The Regents of the University of
1.1 misho 3: * California, through Lawrence Berkeley National Laboratory (subject
4: * to receipt of any required approvals from the U.S. Dept. of
5: * Energy). All rights reserved.
6: *
7: * If you have questions about your rights to use or distribute this
8: * software, please contact Berkeley Lab's Technology Transfer
9: * Department at TTD@lbl.gov.
10: *
11: * NOTICE. This software is owned by the U.S. Department of Energy.
12: * As such, the U.S. Government has been granted for itself and others
13: * acting on its behalf a paid-up, nonexclusive, irrevocable,
14: * worldwide license in the Software to reproduce, prepare derivative
15: * works, and perform publicly and display publicly. Beginning five
16: * (5) years after the date permission to assert copyright is obtained
17: * from the U.S. Department of Energy, and subject to any subsequent
18: * five (5) year renewals, the U.S. Government is granted for itself
19: * and others acting on its behalf a paid-up, nonexclusive,
20: * irrevocable, worldwide license in the Software to reproduce,
21: * prepare derivative works, distribute copies to the public, perform
22: * publicly and display publicly, and to permit others to do so.
23: *
24: * This code is distributed under a BSD style license, see the LICENSE
25: * file for complete information.
26: */
27: #ifndef __IPERF_API_H
28: #define __IPERF_API_H
29:
1.1.1.2 ! misho 30: #include <sys/socket.h>
1.1 misho 31: #include <sys/time.h>
32: #include <setjmp.h>
1.1.1.2 ! misho 33: #include <stdio.h>
! 34: #ifdef HAVE_STDINT_H
! 35: #include <stdint.h>
! 36: #endif
! 37: #ifdef __cplusplus
! 38: extern "C" { /* open extern "C" */
! 39: #endif
! 40:
1.1 misho 41:
42: struct iperf_test;
43: struct iperf_stream_result;
44: struct iperf_interval_results;
45: struct iperf_stream;
1.1.1.2 ! misho 46: struct iperf_time;
! 47:
! 48: #if !defined(__IPERF_H)
! 49: typedef uint64_t iperf_size_t;
! 50: #endif // __IPERF_H
1.1 misho 51:
52: /* default settings */
53: #define Ptcp SOCK_STREAM
54: #define Pudp SOCK_DGRAM
55: #define Psctp 12
1.1.1.2 ! misho 56: #define DEFAULT_UDP_BLKSIZE 1460 /* default is dynamically set, else this */
1.1 misho 57: #define DEFAULT_TCP_BLKSIZE (128 * 1024) /* default read/write block size */
58: #define DEFAULT_SCTP_BLKSIZE (64 * 1024)
59:
60: /* short option equivalents, used to support options that only have long form */
61: #define OPT_SCTP 1
62: #define OPT_LOGFILE 2
63: #define OPT_GET_SERVER_OUTPUT 3
64: #define OPT_UDP_COUNTERS_64BIT 4
65: #define OPT_CLIENT_PORT 5
66: #define OPT_NUMSTREAMS 6
1.1.1.2 ! misho 67: #define OPT_FORCEFLUSH 7
! 68: #define OPT_NO_FQ_SOCKET_PACING 9 /* UNUSED */
! 69: #define OPT_FQ_RATE 10
! 70: #define OPT_DSCP 11
! 71: #define OPT_CLIENT_USERNAME 12
! 72: #define OPT_CLIENT_RSA_PUBLIC_KEY 13
! 73: #define OPT_SERVER_RSA_PRIVATE_KEY 14
! 74: #define OPT_SERVER_AUTHORIZED_USERS 15
! 75: #define OPT_PACING_TIMER 16
! 76: #define OPT_CONNECT_TIMEOUT 17
! 77: #define OPT_REPEATING_PAYLOAD 18
! 78: #define OPT_EXTRA_DATA 19
! 79: #define OPT_BIDIRECTIONAL 20
! 80: #define OPT_SERVER_BITRATE_LIMIT 21
! 81: #define OPT_TIMESTAMPS 22
1.1 misho 82:
83: /* states */
84: #define TEST_START 1
85: #define TEST_RUNNING 2
1.1.1.2 ! misho 86: #define RESULT_REQUEST 3 /* not used */
1.1 misho 87: #define TEST_END 4
1.1.1.2 ! misho 88: #define STREAM_BEGIN 5 /* not used */
! 89: #define STREAM_RUNNING 6 /* not used */
! 90: #define STREAM_END 7 /* not used */
! 91: #define ALL_STREAMS_END 8 /* not used */
1.1 misho 92: #define PARAM_EXCHANGE 9
93: #define CREATE_STREAMS 10
94: #define SERVER_TERMINATE 11
95: #define CLIENT_TERMINATE 12
96: #define EXCHANGE_RESULTS 13
97: #define DISPLAY_RESULTS 14
98: #define IPERF_START 15
99: #define IPERF_DONE 16
100: #define ACCESS_DENIED (-1)
101: #define SERVER_ERROR (-2)
102:
103: /* Getter routines for some fields inside iperf_test. */
104: int iperf_get_verbose( struct iperf_test* ipt );
105: int iperf_get_control_socket( struct iperf_test* ipt );
106: int iperf_get_test_omit( struct iperf_test* ipt );
107: int iperf_get_test_duration( struct iperf_test* ipt );
108: char iperf_get_test_role( struct iperf_test* ipt );
109: int iperf_get_test_reverse( struct iperf_test* ipt );
110: int iperf_get_test_blksize( struct iperf_test* ipt );
111: FILE* iperf_get_test_outfile( struct iperf_test* ipt );
112: uint64_t iperf_get_test_rate( struct iperf_test* ipt );
1.1.1.2 ! misho 113: int iperf_get_test_pacing_timer( struct iperf_test* ipt );
! 114: uint64_t iperf_get_test_bytes( struct iperf_test* ipt );
! 115: uint64_t iperf_get_test_blocks( struct iperf_test* ipt );
1.1 misho 116: int iperf_get_test_burst( struct iperf_test* ipt );
117: int iperf_get_test_socket_bufsize( struct iperf_test* ipt );
118: double iperf_get_test_reporter_interval( struct iperf_test* ipt );
119: double iperf_get_test_stats_interval( struct iperf_test* ipt );
120: int iperf_get_test_num_streams( struct iperf_test* ipt );
1.1.1.2 ! misho 121: int iperf_get_test_repeating_payload( struct iperf_test* ipt );
! 122: int iperf_get_test_timestamps( struct iperf_test* ipt );
! 123: const char* iperf_get_test_timestamp_format( struct iperf_test* ipt );
1.1 misho 124: int iperf_get_test_server_port( struct iperf_test* ipt );
125: char* iperf_get_test_server_hostname( struct iperf_test* ipt );
126: char* iperf_get_test_template( struct iperf_test* ipt );
127: int iperf_get_test_protocol_id( struct iperf_test* ipt );
128: int iperf_get_test_json_output( struct iperf_test* ipt );
129: char* iperf_get_test_json_output_string ( struct iperf_test* ipt );
130: int iperf_get_test_zerocopy( struct iperf_test* ipt );
131: int iperf_get_test_get_server_output( struct iperf_test* ipt );
132: char* iperf_get_test_bind_address ( struct iperf_test* ipt );
133: int iperf_get_test_udp_counters_64bit( struct iperf_test* ipt );
134: int iperf_get_test_one_off( struct iperf_test* ipt );
1.1.1.2 ! misho 135: int iperf_get_test_tos( struct iperf_test* ipt );
! 136: char* iperf_get_extra_data( struct iperf_test* ipt );
! 137: char* iperf_get_iperf_version(void);
! 138: int iperf_get_test_no_delay( struct iperf_test* ipt );
! 139: int iperf_get_test_connect_timeout( struct iperf_test* ipt );
1.1 misho 140:
141: /* Setter routines for some fields inside iperf_test. */
142: void iperf_set_verbose( struct iperf_test* ipt, int verbose );
143: void iperf_set_control_socket( struct iperf_test* ipt, int ctrl_sck );
144: void iperf_set_test_omit( struct iperf_test* ipt, int omit );
145: void iperf_set_test_duration( struct iperf_test* ipt, int duration );
146: void iperf_set_test_reporter_interval( struct iperf_test* ipt, double reporter_interval );
147: void iperf_set_test_stats_interval( struct iperf_test* ipt, double stats_interval );
148: void iperf_set_test_state( struct iperf_test* ipt, signed char state );
149: void iperf_set_test_blksize( struct iperf_test* ipt, int blksize );
1.1.1.2 ! misho 150: void iperf_set_test_logfile( struct iperf_test* ipt, const char *logfile );
1.1 misho 151: void iperf_set_test_rate( struct iperf_test* ipt, uint64_t rate );
1.1.1.2 ! misho 152: void iperf_set_test_pacing_timer( struct iperf_test* ipt, int pacing_timer );
! 153: void iperf_set_test_bytes( struct iperf_test* ipt, uint64_t bytes );
! 154: void iperf_set_test_blocks( struct iperf_test* ipt, uint64_t blocks );
1.1 misho 155: void iperf_set_test_burst( struct iperf_test* ipt, int burst );
156: void iperf_set_test_server_port( struct iperf_test* ipt, int server_port );
157: void iperf_set_test_socket_bufsize( struct iperf_test* ipt, int socket_bufsize );
158: void iperf_set_test_num_streams( struct iperf_test* ipt, int num_streams );
1.1.1.2 ! misho 159: void iperf_set_test_repeating_payload( struct iperf_test* ipt, int repeating_payload );
! 160: void iperf_set_test_timestamps( struct iperf_test* ipt, int timestamps );
! 161: void iperf_set_test_timestamp_format( struct iperf_test*, const char *tf );
1.1 misho 162: void iperf_set_test_role( struct iperf_test* ipt, char role );
1.1.1.2 ! misho 163: void iperf_set_test_server_hostname( struct iperf_test* ipt, const char* server_hostname );
! 164: void iperf_set_test_template( struct iperf_test *ipt, const char *tmp_template );
1.1 misho 165: void iperf_set_test_reverse( struct iperf_test* ipt, int reverse );
166: void iperf_set_test_json_output( struct iperf_test* ipt, int json_output );
167: int iperf_has_zerocopy( void );
168: void iperf_set_test_zerocopy( struct iperf_test* ipt, int zerocopy );
169: void iperf_set_test_get_server_output( struct iperf_test* ipt, int get_server_output );
1.1.1.2 ! misho 170: void iperf_set_test_bind_address( struct iperf_test* ipt, const char *bind_address );
1.1 misho 171: void iperf_set_test_udp_counters_64bit( struct iperf_test* ipt, int udp_counters_64bit );
172: void iperf_set_test_one_off( struct iperf_test* ipt, int one_off );
1.1.1.2 ! misho 173: void iperf_set_test_tos( struct iperf_test* ipt, int tos );
! 174: void iperf_set_test_extra_data( struct iperf_test* ipt, const char *dat );
! 175: void iperf_set_test_bidirectional( struct iperf_test* ipt, int bidirectional);
! 176: void iperf_set_test_no_delay( struct iperf_test* ipt, int no_delay);
! 177:
! 178: #if defined(HAVE_SSL)
! 179: void iperf_set_test_client_username(struct iperf_test *ipt, const char *client_username);
! 180: void iperf_set_test_client_password(struct iperf_test *ipt, const char *client_password);
! 181: void iperf_set_test_client_rsa_pubkey(struct iperf_test *ipt, const char *client_rsa_pubkey_base64);
! 182: void iperf_set_test_server_authorized_users(struct iperf_test *ipt, const char *server_authorized_users);
! 183: void iperf_set_test_server_rsa_privkey(struct iperf_test *ipt, const char *server_rsa_privkey_base64);
! 184: #endif // HAVE_SSL
! 185:
! 186: void iperf_set_test_connect_timeout(struct iperf_test *ipt, int ct);
1.1 misho 187:
188: /**
189: * exchange_parameters - handles the param_Exchange part for client
190: *
191: */
192: int iperf_exchange_parameters(struct iperf_test * test);
193:
194: /**
195: * add_to_interval_list -- adds new interval to the interval_list
196: *
197: */
198: void add_to_interval_list(struct iperf_stream_result * rp, struct iperf_interval_results *temp);
199:
200: /**
201: * connect_msg -- displays connection message
202: * denoting senfer/receiver details
203: *
204: */
205: void connect_msg(struct iperf_stream * sp);
206:
207: /**
208: * iperf_stats_callback -- handles the statistic gathering
209: *
210: */
211: void iperf_stats_callback(struct iperf_test * test);
212:
213: /**
214: * iperf_reporter_callback -- handles the report printing
215: *
216: */
217: void iperf_reporter_callback(struct iperf_test * test);
218:
219: /**
220: * iperf_new_test -- return a new iperf_test with default values
221: *
222: * returns NULL on failure
223: *
224: */
1.1.1.2 ! misho 225: struct iperf_test *iperf_new_test(void);
1.1 misho 226:
227: int iperf_defaults(struct iperf_test * testp);
228:
229: /**
230: * iperf_free_test -- free resources used by test, calls iperf_free_stream to
231: * free streams
232: *
233: */
234: void iperf_free_test(struct iperf_test * testp);
235:
236: /**
237: * iperf_new_stream -- return a net iperf_stream with default values
238: *
239: * returns NULL on failure
240: *
241: */
1.1.1.2 ! misho 242: struct iperf_stream *iperf_new_stream(struct iperf_test *, int, int);
1.1 misho 243:
244: /**
245: * iperf_add_stream -- add a stream to a test
246: *
247: */
248: void iperf_add_stream(struct iperf_test * test, struct iperf_stream * stream);
249:
250: /**
251: * iperf_init_stream -- init resources associated with test
252: *
253: */
254: int iperf_init_stream(struct iperf_stream *, struct iperf_test *);
255:
256: /**
257: * iperf_free_stream -- free resources associated with test
258: *
259: */
260: void iperf_free_stream(struct iperf_stream * sp);
261:
262: int has_tcpinfo(void);
263: int has_tcpinfo_retransmits(void);
264: void save_tcpinfo(struct iperf_stream *sp, struct iperf_interval_results *irp);
265: long get_total_retransmits(struct iperf_interval_results *irp);
266: long get_snd_cwnd(struct iperf_interval_results *irp);
267: long get_rtt(struct iperf_interval_results *irp);
1.1.1.2 ! misho 268: long get_rttvar(struct iperf_interval_results *irp);
! 269: long get_pmtu(struct iperf_interval_results *irp);
1.1 misho 270: void print_tcpinfo(struct iperf_test *test);
271: void build_tcpinfo_message(struct iperf_interval_results *r, char *message);
272:
273: int iperf_set_send_state(struct iperf_test *test, signed char state);
1.1.1.2 ! misho 274: void iperf_check_throttle(struct iperf_stream *sp, struct iperf_time *nowP);
1.1 misho 275: int iperf_send(struct iperf_test *, fd_set *) /* __attribute__((hot)) */;
276: int iperf_recv(struct iperf_test *, fd_set *);
277: void iperf_catch_sigend(void (*handler)(int));
278: void iperf_got_sigend(struct iperf_test *test) __attribute__ ((noreturn));
1.1.1.2 ! misho 279: void usage(void);
! 280: void usage_long(FILE * f);
! 281: void warning(const char *);
1.1 misho 282: int iperf_exchange_results(struct iperf_test *);
283: int iperf_init_test(struct iperf_test *);
284: int iperf_create_send_timers(struct iperf_test *);
285: int iperf_parse_arguments(struct iperf_test *, int, char **);
1.1.1.2 ! misho 286: int iperf_open_logfile(struct iperf_test *);
1.1 misho 287: void iperf_reset_test(struct iperf_test *);
288: void iperf_reset_stats(struct iperf_test * test);
289:
290: struct protocol *get_protocol(struct iperf_test *, int);
291: int set_protocol(struct iperf_test *, int);
292:
293: void iperf_on_new_stream(struct iperf_stream *);
294: void iperf_on_test_start(struct iperf_test *);
295: void iperf_on_connect(struct iperf_test *);
296: void iperf_on_test_finish(struct iperf_test *);
297:
298: extern jmp_buf env;
299:
300: /* Client routines. */
301: int iperf_run_client(struct iperf_test *);
302: int iperf_connect(struct iperf_test *);
1.1.1.2 ! misho 303: int iperf_create_streams(struct iperf_test *, int sender);
1.1 misho 304: int iperf_handle_message_client(struct iperf_test *);
305: int iperf_client_end(struct iperf_test *);
306:
307: /* Server routines. */
308: int iperf_run_server(struct iperf_test *);
309: int iperf_server_listen(struct iperf_test *);
310: int iperf_accept(struct iperf_test *);
311: int iperf_handle_message_server(struct iperf_test *);
312: int iperf_create_pidfile(struct iperf_test *);
313: int iperf_delete_pidfile(struct iperf_test *);
1.1.1.2 ! misho 314: void iperf_check_total_rate(struct iperf_test *, iperf_size_t);
1.1 misho 315:
316: /* JSON output routines. */
317: int iperf_json_start(struct iperf_test *);
318: int iperf_json_finish(struct iperf_test *);
319:
320: /* CPU affinity routines */
321: int iperf_setaffinity(struct iperf_test *, int affinity);
322: int iperf_clearaffinity(struct iperf_test *);
323:
324: /* Custom printf routine. */
1.1.1.2 ! misho 325: int iperf_printf(struct iperf_test *test, const char *format, ...) __attribute__ ((format(printf,2,3)));
1.1 misho 326: int iflush(struct iperf_test *test);
327:
328: /* Error routines. */
329: void iperf_err(struct iperf_test *test, const char *format, ...) __attribute__ ((format(printf,2,3)));
330: void iperf_errexit(struct iperf_test *test, const char *format, ...) __attribute__ ((format(printf,2,3),noreturn));
331: char *iperf_strerror(int);
332: extern int i_errno;
333: enum {
334: IENONE = 0, // No error
335: /* Parameter errors */
336: IESERVCLIENT = 1, // Iperf cannot be both server and client
337: IENOROLE = 2, // Iperf must either be a client (-c) or server (-s)
338: IESERVERONLY = 3, // This option is server only
339: IECLIENTONLY = 4, // This option is client only
340: IEDURATION = 5, // test duration too long. Maximum value = %dMAX_TIME
341: IENUMSTREAMS = 6, // Number of parallel streams too large. Maximum value = %dMAX_STREAMS
342: IEBLOCKSIZE = 7, // Block size too large. Maximum value = %dMAX_BLOCKSIZE
343: IEBUFSIZE = 8, // Socket buffer size too large. Maximum value = %dMAX_TCP_BUFFER
344: IEINTERVAL = 9, // Invalid report interval (min = %gMIN_INTERVAL, max = %gMAX_INTERVAL seconds)
345: IEMSS = 10, // MSS too large. Maximum value = %dMAX_MSS
346: IENOSENDFILE = 11, // This OS does not support sendfile
347: IEOMIT = 12, // Bogus value for --omit
348: IEUNIMP = 13, // Not implemented yet
349: IEFILE = 14, // -F file couldn't be opened
350: IEBURST = 15, // Invalid burst count. Maximum value = %dMAX_BURST
351: IEENDCONDITIONS = 16, // Only one test end condition (-t, -n, -k) may be specified
352: IELOGFILE = 17, // Can't open log file
353: IENOSCTP = 18, // No SCTP support available
1.1.1.2 ! misho 354: IEBIND = 19, // UNUSED: Local port specified with no local bind option
! 355: IEUDPBLOCKSIZE = 20, // Block size invalid
1.1 misho 356: IEBADTOS = 21, // Bad TOS value
1.1.1.2 ! misho 357: IESETCLIENTAUTH = 22, // Bad configuration of client authentication
! 358: IESETSERVERAUTH = 23, // Bad configuration of server authentication
! 359: IEBADFORMAT = 24, // Bad format argument to -f
! 360: IEREVERSEBIDIR = 25, // Iperf cannot be both reverse and bidirectional
! 361: IEBADPORT = 26, // Bad port number
! 362: IETOTALRATE = 27, // Total required bandwidth is larger than server's limit
! 363: IETOTALINTERVAL = 28, // Invalid time interval for calculating average data rate
1.1 misho 364: /* Test errors */
365: IENEWTEST = 100, // Unable to create a new test (check perror)
366: IEINITTEST = 101, // Test initialization failed (check perror)
367: IELISTEN = 102, // Unable to listen for connections (check perror)
368: IECONNECT = 103, // Unable to connect to server (check herror/perror) [from netdial]
369: IEACCEPT = 104, // Unable to accept connection from client (check herror/perror)
370: IESENDCOOKIE = 105, // Unable to send cookie to server (check perror)
371: IERECVCOOKIE = 106, // Unable to receive cookie from client (check perror)
372: IECTRLWRITE = 107, // Unable to write to the control socket (check perror)
373: IECTRLREAD = 108, // Unable to read from the control socket (check perror)
374: IECTRLCLOSE = 109, // Control socket has closed unexpectedly
375: IEMESSAGE = 110, // Received an unknown message
376: IESENDMESSAGE = 111, // Unable to send control message to client/server (check perror)
377: IERECVMESSAGE = 112, // Unable to receive control message from client/server (check perror)
378: IESENDPARAMS = 113, // Unable to send parameters to server (check perror)
379: IERECVPARAMS = 114, // Unable to receive parameters from client (check perror)
380: IEPACKAGERESULTS = 115, // Unable to package results (check perror)
381: IESENDRESULTS = 116, // Unable to send results to client/server (check perror)
382: IERECVRESULTS = 117, // Unable to receive results from client/server (check perror)
383: IESELECT = 118, // Select failed (check perror)
384: IECLIENTTERM = 119, // The client has terminated
385: IESERVERTERM = 120, // The server has terminated
386: IEACCESSDENIED = 121, // The server is busy running a test. Try again later.
387: IESETNODELAY = 122, // Unable to set TCP/SCTP NODELAY (check perror)
388: IESETMSS = 123, // Unable to set TCP/SCTP MSS (check perror)
389: IESETBUF = 124, // Unable to set socket buffer size (check perror)
390: IESETTOS = 125, // Unable to set IP TOS (check perror)
391: IESETCOS = 126, // Unable to set IPv6 traffic class (check perror)
392: IESETFLOW = 127, // Unable to set IPv6 flow label
393: IEREUSEADDR = 128, // Unable to set reuse address on socket (check perror)
394: IENONBLOCKING = 129, // Unable to set socket to non-blocking (check perror)
395: IESETWINDOWSIZE = 130, // Unable to set socket window size (check perror)
396: IEPROTOCOL = 131, // Protocol does not exist
397: IEAFFINITY = 132, // Unable to set CPU affinity (check perror)
398: IEDAEMON = 133, // Unable to become a daemon process
399: IESETCONGESTION = 134, // Unable to set TCP_CONGESTION
400: IEPIDFILE = 135, // Unable to write PID file
401: IEV6ONLY = 136, // Unable to set/unset IPV6_V6ONLY (check perror)
402: IESETSCTPDISABLEFRAG = 137, // Unable to set SCTP Fragmentation (check perror)
403: IESETSCTPNSTREAM= 138, // Unable to set SCTP number of streams (check perror)
404: IESETSCTPBINDX= 139, // Unable to process sctp_bindx() parameters
405: IESETPACING= 140, // Unable to set socket pacing rate
1.1.1.2 ! misho 406: IESETBUF2= 141, // Socket buffer size incorrect (written value != read value)
! 407: IEAUTHTEST = 142, // Test authorization failed
1.1 misho 408: /* Stream errors */
409: IECREATESTREAM = 200, // Unable to create a new stream (check herror/perror)
410: IEINITSTREAM = 201, // Unable to initialize stream (check herror/perror)
411: IESTREAMLISTEN = 202, // Unable to start stream listener (check perror)
412: IESTREAMCONNECT = 203, // Unable to connect stream (check herror/perror)
413: IESTREAMACCEPT = 204, // Unable to accepte stream connection (check perror)
414: IESTREAMWRITE = 205, // Unable to write to stream socket (check perror)
415: IESTREAMREAD = 206, // Unable to read from stream (check perror)
416: IESTREAMCLOSE = 207, // Stream has closed unexpectedly
417: IESTREAMID = 208, // Stream has invalid ID
418: /* Timer errors */
419: IENEWTIMER = 300, // Unable to create new timer (check perror)
420: IEUPDATETIMER = 301, // Unable to update timer (check perror)
421: };
422:
1.1.1.2 ! misho 423:
! 424: #ifdef __cplusplus
! 425: } /* close extern "C" */
! 426: #endif
! 427:
! 428:
1.1 misho 429: #endif /* !__IPERF_API_H */
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