/* Copyright libuv project contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "uv.h"
#include "internal.h"
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/time.h>
#include <unistd.h>
#include <fcntl.h>
#include <utmp.h>
#include <libgen.h>
#include <sys/protosw.h>
#include <procinfo.h>
#include <sys/proc.h>
#include <sys/procfs.h>
#include <ctype.h>
#include <sys/mntctl.h>
#include <sys/vmount.h>
#include <limits.h>
#include <strings.h>
#include <sys/vnode.h>
#include <as400_protos.h>
#include <as400_types.h>
typedef struct {
int bytes_available;
int bytes_returned;
char current_date_and_time[8];
char system_name[8];
char elapsed_time[6];
char restricted_state_flag;
char reserved;
int percent_processing_unit_used;
int jobs_in_system;
int percent_permanent_addresses;
int percent_temporary_addresses;
int system_asp;
int percent_system_asp_used;
int total_auxiliary_storage;
int current_unprotected_storage_used;
int maximum_unprotected_storage_used;
int percent_db_capability;
int main_storage_size;
int number_of_partitions;
int partition_identifier;
int reserved1;
int current_processing_capacity;
char processor_sharing_attribute;
char reserved2[3];
int number_of_processors;
int active_jobs_in_system;
int active_threads_in_system;
int maximum_jobs_in_system;
int percent_temporary_256mb_segments_used;
int percent_temporary_4gb_segments_used;
int percent_permanent_256mb_segments_used;
int percent_permanent_4gb_segments_used;
int percent_current_interactive_performance;
int percent_uncapped_cpu_capacity_used;
int percent_shared_processor_pool_used;
long main_storage_size_long;
} SSTS0200;
typedef struct {
char header[208];
unsigned char loca_adapter_address[12];
} LIND0500;
typedef struct {
int bytes_provided;
int bytes_available;
char msgid[7];
} errcode_s;
static const unsigned char e2a[256] = {
0, 1, 2, 3, 156, 9, 134, 127, 151, 141, 142, 11, 12, 13, 14, 15,
16, 17, 18, 19, 157, 133, 8, 135, 24, 25, 146, 143, 28, 29, 30, 31,
128, 129, 130, 131, 132, 10, 23, 27, 136, 137, 138, 139, 140, 5, 6, 7,
144, 145, 22, 147, 148, 149, 150, 4, 152, 153, 154, 155, 20, 21, 158, 26,
32, 160, 161, 162, 163, 164, 165, 166, 167, 168, 91, 46, 60, 40, 43, 33,
38, 169, 170, 171, 172, 173, 174, 175, 176, 177, 93, 36, 42, 41, 59, 94,
45, 47, 178, 179, 180, 181, 182, 183, 184, 185, 124, 44, 37, 95, 62, 63,
186, 187, 188, 189, 190, 191, 192, 193, 194, 96, 58, 35, 64, 39, 61, 34,
195, 97, 98, 99, 100, 101, 102, 103, 104, 105, 196, 197, 198, 199, 200, 201,
202, 106, 107, 108, 109, 110, 111, 112, 113, 114, 203, 204, 205, 206, 207, 208,
209, 126, 115, 116, 117, 118, 119, 120, 121, 122, 210, 211, 212, 213, 214, 215,
216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231,
123, 65, 66, 67, 68, 69, 70, 71, 72, 73, 232, 233, 234, 235, 236, 237,
125, 74, 75, 76, 77, 78, 79, 80, 81, 82, 238, 239, 240, 241, 242, 243,
92, 159, 83, 84, 85, 86, 87, 88, 89, 90, 244, 245, 246, 247, 248, 249,
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 250, 251, 252, 253, 254, 255};
static const unsigned char a2e[256] = {
0, 1, 2, 3, 55, 45, 46, 47, 22, 5, 37, 11, 12, 13, 14, 15,
16, 17, 18, 19, 60, 61, 50, 38, 24, 25, 63, 39, 28, 29, 30, 31,
64, 79, 127, 123, 91, 108, 80, 125, 77, 93, 92, 78, 107, 96, 75, 97,
240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 122, 94, 76, 126, 110, 111,
124, 193, 194, 195, 196, 197, 198, 199, 200, 201, 209, 210, 211, 212, 213, 214,
215, 216, 217, 226, 227, 228, 229, 230, 231, 232, 233, 74, 224, 90, 95, 109,
121, 129, 130, 131, 132, 133, 134, 135, 136, 137, 145, 146, 147, 148, 149, 150,
151, 152, 153, 162, 163, 164, 165, 166, 167, 168, 169, 192, 106, 208, 161, 7,
32, 33, 34, 35, 36, 21, 6, 23, 40, 41, 42, 43, 44, 9, 10, 27,
48, 49, 26, 51, 52, 53, 54, 8, 56, 57, 58, 59, 4, 20, 62, 225,
65, 66, 67, 68, 69, 70, 71, 72, 73, 81, 82, 83, 84, 85, 86, 87,
88, 89, 98, 99, 100, 101, 102, 103, 104, 105, 112, 113, 114, 115, 116, 117,
118, 119, 120, 128, 138, 139, 140, 141, 142, 143, 144, 154, 155, 156, 157, 158,
159, 160, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183,
184, 185, 186, 187, 188, 189, 190, 191, 202, 203, 204, 205, 206, 207, 218, 219,
220, 221, 222, 223, 234, 235, 236, 237, 238, 239, 250, 251, 252, 253, 254, 255};
static void iconv_e2a(unsigned char src[], unsigned char dst[], size_t length) {
size_t i;
for (i = 0; i < length; i++)
dst[i] = e2a[src[i]];
}
static void iconv_a2e(const char* src, unsigned char dst[], size_t length) {
size_t srclen;
size_t i;
srclen = strlen(src);
if (srclen > length)
abort();
for (i = 0; i < srclen; i++)
dst[i] = a2e[src[i]];
/* padding the remaining part with spaces */
for (; i < length; i++)
dst[i] = a2e[' '];
}
static int get_ibmi_system_status(SSTS0200* rcvr) {
/* rcvrlen is input parameter 2 to QWCRSSTS */
unsigned int rcvrlen = sizeof(*rcvr);
unsigned char format[8], reset_status[10];
/* format is input parameter 3 to QWCRSSTS */
iconv_a2e("SSTS0200", format, sizeof(format));
/* reset_status is input parameter 4 */
iconv_a2e("*NO", reset_status, sizeof(reset_status));
/* errcode is input parameter 5 to QWCRSSTS */
errcode_s errcode;
/* qwcrssts_pointer is the 16-byte tagged system pointer to QWCRSSTS */
ILEpointer __attribute__((aligned(16))) qwcrssts_pointer;
/* qwcrssts_argv is the array of argument pointers to QWCRSSTS */
void* qwcrssts_argv[6];
/* Set the IBM i pointer to the QSYS/QWCRSSTS *PGM object */
int rc = _RSLOBJ2(&qwcrssts_pointer, RSLOBJ_TS_PGM, "QWCRSSTS", "QSYS");
if (rc != 0)
return rc;
/* initialize the QWCRSSTS returned info structure */
memset(rcvr, 0, sizeof(*rcvr));
/* initialize the QWCRSSTS error code structure */
memset(&errcode, 0, sizeof(errcode));
errcode.bytes_provided = sizeof(errcode);
/* initialize the array of argument pointers for the QWCRSSTS API */
qwcrssts_argv[0] = rcvr;
qwcrssts_argv[1] = &rcvrlen;
qwcrssts_argv[2] = &format;
qwcrssts_argv[3] = &reset_status;
qwcrssts_argv[4] = &errcode;
qwcrssts_argv[5] = NULL;
/* Call the IBM i QWCRSSTS API from PASE */
rc = _PGMCALL(&qwcrssts_pointer, qwcrssts_argv, 0);
return rc;
}
uint64_t uv_get_free_memory(void) {
SSTS0200 rcvr;
if (get_ibmi_system_status(&rcvr))
return 0;
return (uint64_t)rcvr.main_storage_size * 1024ULL;
}
uint64_t uv_get_total_memory(void) {
SSTS0200 rcvr;
if (get_ibmi_system_status(&rcvr))
return 0;
return (uint64_t)rcvr.main_storage_size * 1024ULL;
}
uint64_t uv_get_constrained_memory(void) {
return 0; /* Memory constraints are unknown. */
}
void uv_loadavg(double avg[3]) {
SSTS0200 rcvr;
if (get_ibmi_system_status(&rcvr)) {
avg[0] = avg[1] = avg[2] = 0;
return;
}
/* The average (in tenths) of the elapsed time during which the processing
* units were in use. For example, a value of 411 in binary would be 41.1%.
* This percentage could be greater than 100% for an uncapped partition.
*/
double processing_unit_used_percent =
rcvr.percent_processing_unit_used / 1000.0;
avg[0] = avg[1] = avg[2] = processing_unit_used_percent;
}
int uv_resident_set_memory(size_t* rss) {
*rss = 0;
return 0;
}
int uv_uptime(double* uptime) {
return UV_ENOSYS;
}
int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
unsigned int numcpus, idx = 0;
uv_cpu_info_t* cpu_info;
*cpu_infos = NULL;
*count = 0;
numcpus = sysconf(_SC_NPROCESSORS_ONLN);
*cpu_infos = uv__malloc(numcpus * sizeof(uv_cpu_info_t));
if (!*cpu_infos) {
return UV_ENOMEM;
}
cpu_info = *cpu_infos;
for (idx = 0; idx < numcpus; idx++) {
cpu_info->speed = 0;
cpu_info->model = uv__strdup("unknown");
cpu_info->cpu_times.user = 0;
cpu_info->cpu_times.sys = 0;
cpu_info->cpu_times.idle = 0;
cpu_info->cpu_times.irq = 0;
cpu_info->cpu_times.nice = 0;
cpu_info++;
}
*count = numcpus;
return 0;
}
static int get_ibmi_physical_address(const char* line, char (*phys_addr)[6]) {
LIND0500 rcvr;
/* rcvrlen is input parameter 2 to QDCRLIND */
unsigned int rcvrlen = sizeof(rcvr);
unsigned char format[8], line_name[10];
unsigned char mac_addr[sizeof(rcvr.loca_adapter_address)];
int c[6];
/* format is input parameter 3 to QDCRLIND */
iconv_a2e("LIND0500", format, sizeof(format));
/* line_name is input parameter 4 to QDCRLIND */
iconv_a2e(line, line_name, sizeof(line_name));
/* err is input parameter 5 to QDCRLIND */
errcode_s err;
/* qwcrssts_pointer is the 16-byte tagged system pointer to QDCRLIND */
ILEpointer __attribute__((aligned(16))) qdcrlind_pointer;
/* qwcrssts_argv is the array of argument pointers to QDCRLIND */
void* qdcrlind_argv[6];
/* Set the IBM i pointer to the QSYS/QDCRLIND *PGM object */
int rc = _RSLOBJ2(&qdcrlind_pointer, RSLOBJ_TS_PGM, "QDCRLIND", "QSYS");
if (rc != 0)
return rc;
/* initialize the QDCRLIND returned info structure */
memset(&rcvr, 0, sizeof(rcvr));
/* initialize the QDCRLIND error code structure */
memset(&err, 0, sizeof(err));
err.bytes_provided = sizeof(err);
/* initialize the array of argument pointers for the QDCRLIND API */
qdcrlind_argv[0] = &rcvr;
qdcrlind_argv[1] = &rcvrlen;
qdcrlind_argv[2] = &format;
qdcrlind_argv[3] = &line_name;
qdcrlind_argv[4] = &err;
qdcrlind_argv[5] = NULL;
/* Call the IBM i QDCRLIND API from PASE */
rc = _PGMCALL(&qdcrlind_pointer, qdcrlind_argv, 0);
if (rc != 0)
return rc;
/* convert ebcdic loca_adapter_address to ascii first */
iconv_e2a(rcvr.loca_adapter_address, mac_addr,
sizeof(rcvr.loca_adapter_address));
/* convert loca_adapter_address(char[12]) to phys_addr(char[6]) */
int r = sscanf(mac_addr, "%02x%02x%02x%02x%02x%02x",
&c[0], &c[1], &c[2], &c[3], &c[4], &c[5]);
if (r == ARRAY_SIZE(c)) {
(*phys_addr)[0] = c[0];
(*phys_addr)[1] = c[1];
(*phys_addr)[2] = c[2];
(*phys_addr)[3] = c[3];
(*phys_addr)[4] = c[4];
(*phys_addr)[5] = c[5];
} else {
memset(*phys_addr, 0, sizeof(*phys_addr));
rc = -1;
}
return rc;
}
int uv_interface_addresses(uv_interface_address_t** addresses, int* count) {
uv_interface_address_t* address;
struct ifaddrs_pase *ifap = NULL, *cur;
int inet6, r = 0;
*count = 0;
*addresses = NULL;
if (Qp2getifaddrs(&ifap))
return UV_ENOSYS;
/* The first loop to get the size of the array to be allocated */
for (cur = ifap; cur; cur = cur->ifa_next) {
if (!(cur->ifa_addr->sa_family == AF_INET6 ||
cur->ifa_addr->sa_family == AF_INET))
continue;
if (!(cur->ifa_flags & IFF_UP && cur->ifa_flags & IFF_RUNNING))
continue;
(*count)++;
}
if (*count == 0) {
Qp2freeifaddrs(ifap);
return 0;
}
/* Alloc the return interface structs */
*addresses = uv__calloc(*count, sizeof(**addresses));
if (*addresses == NULL) {
Qp2freeifaddrs(ifap);
return UV_ENOMEM;
}
address = *addresses;
/* The second loop to fill in the array */
for (cur = ifap; cur; cur = cur->ifa_next) {
if (!(cur->ifa_addr->sa_family == AF_INET6 ||
cur->ifa_addr->sa_family == AF_INET))
continue;
if (!(cur->ifa_flags & IFF_UP && cur->ifa_flags & IFF_RUNNING))
continue;
address->name = uv__strdup(cur->ifa_name);
inet6 = (cur->ifa_addr->sa_family == AF_INET6);
if (inet6) {
address->address.address6 = *((struct sockaddr_in6*)cur->ifa_addr);
address->netmask.netmask6 = *((struct sockaddr_in6*)cur->ifa_netmask);
address->netmask.netmask6.sin6_family = AF_INET6;
} else {
address->address.address4 = *((struct sockaddr_in*)cur->ifa_addr);
address->netmask.netmask4 = *((struct sockaddr_in*)cur->ifa_netmask);
address->netmask.netmask4.sin_family = AF_INET;
}
address->is_internal = cur->ifa_flags & IFF_LOOPBACK ? 1 : 0;
if (!address->is_internal) {
int rc = get_ibmi_physical_address(address->name, &address->phys_addr);
if (rc != 0)
r = rc;
}
address++;
}
Qp2freeifaddrs(ifap);
return r;
}
void uv_free_interface_addresses(uv_interface_address_t* addresses, int count) {
int i;
for (i = 0; i < count; ++i) {
uv__free(addresses[i].name);
}
uv__free(addresses);
}