diff options
Diffstat (limited to 'agent/mibgroup/host/data_access/swrun_procfs_psinfo.c')
| -rw-r--r-- | agent/mibgroup/host/data_access/swrun_procfs_psinfo.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/agent/mibgroup/host/data_access/swrun_procfs_psinfo.c b/agent/mibgroup/host/data_access/swrun_procfs_psinfo.c new file mode 100644 index 0000000..ed961ee --- /dev/null +++ b/agent/mibgroup/host/data_access/swrun_procfs_psinfo.c @@ -0,0 +1,147 @@ +/* + * 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; +} |