Data Structures | |
struct | nl_dump_params |
Dumping parameters. More... | |
Modules | |
Abstract Address | |
Abstract Data | |
Enumerations | |
enum | nl_dump_type { NL_DUMP_BRIEF, NL_DUMP_FULL, NL_DUMP_STATS, NL_DUMP_XML, NL_DUMP_ENV, NL_DUMP_EVENTS, __NL_DUMP_MAX } |
Dumping types (dp_type). More... | |
Variables | |
int | nl_debug = 0 |
Debug level. | |
struct nl_dump_params | nl_debug_dp |
Error Code Helpers | |
| |
int | nl_get_errno (void) |
char * | nl_geterror (void) |
Return error message for an error code. | |
void | nl_perror (const char *s) |
Print a libnl error message. | |
Time Translations | |
| |
int | nl_get_hz (void) |
Return the value of HZ. | |
uint32_t | nl_us2ticks (uint32_t us) |
Convert micro seconds to ticks. | |
uint32_t | nl_ticks2us (uint32_t ticks) |
Convert ticks to micro seconds. | |
long | nl_time2int (const char *str) |
char * | nl_msec2str (uint64_t msec, char *buf, size_t len) |
Convert milliseconds to a character string. | |
Link Layer Protocol Translations | |
| |
char * | nl_llproto2str (int llproto, char *buf, size_t len) |
int | nl_str2llproto (const char *name) |
Ethernet Protocol Translations | |
| |
char * | nl_ether_proto2str (int eproto, char *buf, size_t len) |
int | nl_str2ether_proto (const char *name) |
Unit Pretty-Printing | |
| |
double | nl_cancel_down_bytes (unsigned long long l, char **unit) |
Cancel down a byte counter. | |
double | nl_cancel_down_bits (unsigned long long l, char **unit) |
Cancel down a bit counter. | |
double | nl_cancel_down_us (uint32_t l, char **unit) |
Cancel down a micro second value. | |
Generic Unit Translations | |
| |
long | nl_size2int (const char *str) |
Convert a character string to a size. | |
long | nl_prob2int (const char *str) |
Convert a character string to a probability. | |
IP Protocol Translations | |
| |
char * | nl_ip_proto2str (int proto, char *buf, size_t len) |
int | nl_str2ip_proto (const char *name) |
Dumping Helpers | |
| |
void | nl_new_line (struct nl_dump_params *params, int line) |
Handle a new line while dumping. | |
void | nl_dump (struct nl_dump_params *params, const char *fmt,...) |
Dump a formatted character string. | |
Probability Constants | |
| |
#define | NL_PROB_MIN 0x0 |
Lower probability limit. | |
#define | NL_PROB_MAX 0xffffffff |
Upper probability limit. |
enum nl_dump_type |
Definition at line 21 of file types.h.
00021 { 00022 NL_DUMP_BRIEF, /**< Dump object in a brief one-liner */ 00023 NL_DUMP_FULL, /**< Dump all attributes but no statistics */ 00024 NL_DUMP_STATS, /**< Dump all attributes including statistics */ 00025 NL_DUMP_XML, /**< Dump all attribtes in XML format */ 00026 NL_DUMP_ENV, /**< Dump all attribtues as env variables */ 00027 NL_DUMP_EVENTS, /**< Dump event */ 00028 __NL_DUMP_MAX, 00029 };
char* nl_geterror | ( | void | ) |
void nl_perror | ( | const char * | s | ) |
s | error message prefix |
Prints the error message of the call that failed last.
If s is not NULL and *s is not a null byte the argument string is printed, followed by a colon and a blank. Then the error message and a new-line.
Definition at line 163 of file utils.c.
References nl_geterror().
00164 { 00165 if (s && *s) 00166 fprintf(stderr, "%s: %s\n", s, nl_geterror()); 00167 else 00168 fprintf(stderr, "%s\n", nl_geterror()); 00169 }
double nl_cancel_down_bytes | ( | unsigned long long | l, | |
char ** | unit | |||
) |
l | byte counter | |
unit | destination unit pointer |
Cancels down a byte counter until it reaches a reasonable unit. The chosen unit is assigned to unit.
Definition at line 188 of file utils.c.
00189 { 00190 if (l >= 1099511627776LL) { 00191 *unit = "TiB"; 00192 return ((double) l) / 1099511627776LL; 00193 } else if (l >= 1073741824) { 00194 *unit = "GiB"; 00195 return ((double) l) / 1073741824; 00196 } else if (l >= 1048576) { 00197 *unit = "MiB"; 00198 return ((double) l) / 1048576; 00199 } else if (l >= 1024) { 00200 *unit = "KiB"; 00201 return ((double) l) / 1024; 00202 } else { 00203 *unit = "B"; 00204 return (double) l; 00205 } 00206 }
double nl_cancel_down_bits | ( | unsigned long long | l, | |
char ** | unit | |||
) |
l | bit counter | |
unit | destination unit pointer |
Cancels downa bit counter until it reaches a reasonable unit. The chosen unit is assigned to unit.
Definition at line 218 of file utils.c.
00219 { 00220 if (l >= 1099511627776ULL) { 00221 *unit = "Tbit"; 00222 return ((double) l) / 1099511627776ULL; 00223 } else if (l >= 1073741824) { 00224 *unit = "Gbit"; 00225 return ((double) l) / 1073741824; 00226 } else if (l >= 1048576) { 00227 *unit = "Mbit"; 00228 return ((double) l) / 1048576; 00229 } else if (l >= 1024) { 00230 *unit = "Kbit"; 00231 return ((double) l) / 1024; 00232 } else { 00233 *unit = "bit"; 00234 return (double) l; 00235 } 00236 00237 }
double nl_cancel_down_us | ( | uint32_t | l, | |
char ** | unit | |||
) |
l | micro seconds | |
unit | destination unit pointer |
Cancels down a microsecond counter until it reaches a reasonable unit. The chosen unit is assigned to unit.
long nl_size2int | ( | const char * | str | ) |
str | size encoded as character string |
Converts the specified size as character to the corresponding number of bytes.
Supported formats are:
Definition at line 283 of file utils.c.
00284 { 00285 char *p; 00286 long l = strtol(str, &p, 0); 00287 if (p == str) 00288 return -1; 00289 00290 if (*p) { 00291 if (!strcasecmp(p, "kb") || !strcasecmp(p, "k")) 00292 l *= 1024; 00293 else if (!strcasecmp(p, "gb") || !strcasecmp(p, "g")) 00294 l *= 1024*1024*1024; 00295 else if (!strcasecmp(p, "gbit")) 00296 l *= 1024*1024*1024/8; 00297 else if (!strcasecmp(p, "mb") || !strcasecmp(p, "m")) 00298 l *= 1024*1024; 00299 else if (!strcasecmp(p, "mbit")) 00300 l *= 1024*1024/8; 00301 else if (!strcasecmp(p, "kbit")) 00302 l *= 1024/8; 00303 else if (!strcasecmp(p, "bit")) 00304 l /= 8; 00305 else if (strcasecmp(p, "b") != 0) 00306 return -1; 00307 } 00308 00309 return l; 00310 }
long nl_prob2int | ( | const char * | str | ) |
str | probability encoded as character string |
Converts the specified probability as character to the corresponding probability number.
Supported formats are:
Definition at line 325 of file utils.c.
References NL_PROB_MAX.
00326 { 00327 char *p; 00328 double d = strtod(str, &p); 00329 00330 if (p == str) 00331 return -1; 00332 00333 if (d > 1.0) 00334 d /= 100.0f; 00335 00336 if (d > 1.0f || d < 0.0f) 00337 return -1; 00338 00339 if (*p && strcmp(p, "%") != 0) 00340 return -1; 00341 00342 return rint(d * NL_PROB_MAX); 00343 }
uint32_t nl_us2ticks | ( | uint32_t | us | ) |
us | micro seconds |
Definition at line 429 of file utils.c.
Referenced by rtnl_netem_set_delay(), and rtnl_netem_set_jitter().
uint32_t nl_ticks2us | ( | uint32_t | ticks | ) |
ticks | number of ticks |
Definition at line 440 of file utils.c.
Referenced by rtnl_netem_get_delay(), and rtnl_netem_get_jitter().
char* nl_msec2str | ( | uint64_t | msec, | |
char * | buf, | |||
size_t | len | |||
) |
msec | number of milliseconds | |
buf | destination buffer | |
len | buffer length |
Converts milliseconds to a character string split up in days, hours, minutes, seconds, and milliseconds and stores it in the specified destination buffer.
Definition at line 478 of file utils.c.
00479 { 00480 int i, split[5]; 00481 char *units[] = {"d", "h", "m", "s", "msec"}; 00482 00483 #define _SPLIT(idx, unit) if ((split[idx] = msec / unit) > 0) msec %= unit 00484 _SPLIT(0, 86400000); /* days */ 00485 _SPLIT(1, 3600000); /* hours */ 00486 _SPLIT(2, 60000); /* minutes */ 00487 _SPLIT(3, 1000); /* seconds */ 00488 #undef _SPLIT 00489 split[4] = msec; 00490 00491 memset(buf, 0, len); 00492 00493 for (i = 0; i < ARRAY_SIZE(split); i++) { 00494 if (split[i] > 0) { 00495 char t[64]; 00496 snprintf(t, sizeof(t), "%s%d%s", 00497 strlen(buf) ? " " : "", split[i], units[i]); 00498 strncat(buf, t, len - strlen(buf) - 1); 00499 } 00500 } 00501 00502 return buf; 00503 }
void nl_new_line | ( | struct nl_dump_params * | params, | |
int | line | |||
) |
params | Dumping parameters | |
line | Number of lines dumped already. |
This function must be called before dumping any onto a new line. It will ensure proper prefixing as specified by the dumping parameters.
Definition at line 725 of file utils.c.
References nl_dump_params::dp_buf, nl_dump_params::dp_buflen, nl_dump_params::dp_fd, nl_dump_params::dp_nl_cb, and nl_dump_params::dp_prefix.
00726 { 00727 if (params->dp_prefix) { 00728 int i; 00729 for (i = 0; i < params->dp_prefix; i++) { 00730 if (params->dp_fd) 00731 fprintf(params->dp_fd, " "); 00732 else if (params->dp_buf) 00733 strncat(params->dp_buf, " ", 00734 params->dp_buflen - 00735 sizeof(params->dp_buf) - 1); 00736 } 00737 } 00738 00739 if (params->dp_nl_cb) 00740 params->dp_nl_cb(params, line); 00741 }
void nl_dump | ( | struct nl_dump_params * | params, | |
const char * | fmt, | |||
... | ||||
) |
params | Dumping parameters | |
fmt | printf style formatting string | |
... | Arguments to formatting string |
Dumps a printf style formatting string to the output device as specified by the dumping parameters.
struct nl_dump_params nl_debug_dp |
{ .dp_type = NL_DUMP_FULL, }