| /* |
| * swrun_procfs_psinfo.c: |
| * hrSWRunTable data access: |
| * /proc/{pid}/psinfo interface - Solaris |
| */ |
| #include <net-snmp/net-snmp-config.h> |
| |
| #include <stdio.h> |
| #ifdef HAVE_STDLIB_H |
| #include <stdlib.h> |
| #endif |
| #ifdef HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| #ifdef HAVE_SYS_TYPES_H |
| #include <sys/types.h> |
| #endif |
| |
| #ifdef HAVE_DIRENT_H |
| #include <dirent.h> |
| #endif |
| #ifdef HAVE_FCNTL_H |
| #include <fcntl.h> |
| #endif |
| |
| #define HAVE_SYS_PROCFS_H /* XXX - Needs a configure check! */ |
| #ifdef HAVE_SYS_PROCFS_H |
| #define _KERNEL /* For psinfo_t */ |
| #include <sys/procfs.h> |
| #undef _KERNEL |
| #endif |
| #ifdef HAVE_SYS_PROC_H |
| #include <sys/proc.h> |
| #endif |
| |
| #include <net-snmp/net-snmp-includes.h> |
| #include <net-snmp/agent/net-snmp-agent-includes.h> |
| #include <net-snmp/library/container.h> |
| #include <net-snmp/library/snmp_debug.h> |
| #include <net-snmp/data_access/swrun.h> |
| |
| /* --------------------------------------------------------------------- |
| */ |
| void |
| netsnmp_arch_swrun_init(void) |
| { |
| /* Nothing to do */ |
| return; |
| } |
| |
| /* --------------------------------------------------------------------- |
| */ |
| int |
| netsnmp_arch_swrun_container_load( netsnmp_container *container, u_int flags) |
| { |
| DIR *procdir = NULL; |
| struct dirent *procentry_p; |
| psinfo_t psinfo; |
| int pid, rc, fd; |
| char *cp, buf[512]; |
| netsnmp_swrun_entry *entry; |
| |
| procdir = opendir("/proc"); |
| if ( NULL == procdir ) { |
| snmp_log( LOG_ERR, "Failed to open /proc" ); |
| return -1; |
| } |
| |
| /* |
| * Walk through the list of processes in the /proc tree |
| */ |
| while ( NULL != (procentry_p = readdir( procdir ))) { |
| pid = atoi( procentry_p->d_name ); |
| if ( 0 == pid ) |
| continue; /* Presumably '.' or '..' */ |
| |
| entry = netsnmp_swrun_entry_create(pid); |
| if (NULL == entry) |
| continue; /* error already logged by function */ |
| rc = CONTAINER_INSERT(container, entry); |
| |
| /* |
| * Now extract the interesting information |
| * from the various /proc{PID}/ interface files |
| */ |
| |
| snprintf( buf, sizeof(buf), "/proc/%d/psinfo", pid ); |
| fd = open( buf, O_RDONLY ); |
| read( fd, &psinfo, sizeof(psinfo)); |
| close(fd); |
| |
| entry->hrSWRunName_len |
| = sprintf(entry->hrSWRunName, "%.*s", |
| (int)sizeof(entry->hrSWRunName) - 1, |
| psinfo.pr_fname); |
| /* |
| * Split pr_psargs into two: |
| * argv[0] is hrSWRunPath |
| * argv[1..] is hrSWRunParameters |
| */ |
| for ( cp = psinfo.pr_psargs; ' ' == *cp; cp++ ) |
| ; |
| *cp = '\0'; /* End of argv[0] */ |
| entry->hrSWRunPath_len |
| = sprintf(entry->hrSWRunPath, "%.*s", |
| (int)sizeof(entry->hrSWRunPath) - 1, |
| psinfo.pr_psargs); |
| |
| entry->hrSWRunParameters_len |
| = sprintf(entry->hrSWRunParameters, "%.*s", |
| (int)sizeof(entry->hrSWRunParameters) - 1, cp+1); |
| *cp = ' '; /* Restore pr_psargs value */ |
| |
| /* |
| * check for system processes |
| */ |
| entry->hrSWRunType = (PR_ISSYS & psinfo.pr_flag) |
| ? 2 /* kernel process */ |
| : 4 /* application */ |
| ; |
| |
| switch (psinfo.pr_lwp.pr_state) { |
| case SRUN: |
| case SONPROC: entry->hrSWRunStatus = HRSWRUNSTATUS_RUNNING; |
| break; |
| case SSLEEP: entry->hrSWRunStatus = HRSWRUNSTATUS_RUNNABLE; |
| break; |
| case SSTOP: entry->hrSWRunStatus = HRSWRUNSTATUS_NOTRUNNABLE; |
| break; |
| case SIDL: |
| case SZOMB: |
| default: entry->hrSWRunStatus = HRSWRUNSTATUS_INVALID; |
| break; |
| } |
| |
| entry->hrSWRunPerfCPU = (psinfo.pr_time.tv_sec * 100); |
| entry->hrSWRunPerfCPU += (psinfo.pr_time.tv_nsec / 10000000); |
| entry->hrSWRunPerfMem = psinfo.pr_rssize; |
| /* XXX - is this reported in kB? */ |
| } |
| closedir( procdir ); |
| |
| DEBUGMSGTL(("swrun:load:arch"," loaded %d entries\n", |
| (int)CONTAINER_SIZE(container))); |
| |
| return 0; |
| } |