+++ /dev/null
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <arpa/inet.h>
-
-#include <cstring>
-#include <cerrno>
-#include <ctime>
-#include <csignal>
-
-#include <vector>
-#include <algorithm>
-
-#include "asn1/OpenPDU.h"
-#include "asn1/ClosePDU.h"
-#include "asn1/SMUX-PDUs.h"
-#include "asn1/OBJECT_IDENTIFIER.h"
-#include "asn1/ber_decoder.h"
-#include "asn1/der_encoder.h"
-
-#include "snmp.h"
-#include "stg/common.h"
-
-class SNMP_AGENT_CREATOR
-{
-private:
- SNMP_AGENT * snmpAgent;
-
-public:
- SNMP_AGENT_CREATOR()
- : snmpAgent(new SNMP_AGENT())
- {
- };
- ~SNMP_AGENT_CREATOR()
- {
- delete snmpAgent;
- };
-
- SNMP_AGENT * GetPlugin()
- {
- return snmpAgent;
- };
-};
-
-SNMP_AGENT_CREATOR sac;
-
-PLUGIN * GetPlugin()
-{
-return sac.GetPlugin();
-}
-
-int output(const void * buffer, size_t size, void * data)
-{
-int * fd = static_cast<int *>(data);
-return write(*fd, buffer, size);
-}
-
-int SendOpenPDU(int fd)
-{
-const char * description = "Stg SNMP Agent";
-int oid[] = {1, 3, 6, 1, 4, 1, 9363, 1, 5, 2, 1, 1};
-asn_enc_rval_t error;
-OpenPDU msg;
-
-msg.present = OpenPDU_PR_simple;
-asn_long2INTEGER(&msg.choice.simple.version, 1);
-OBJECT_IDENTIFIER_set_arcs(&msg.choice.simple.identity,
- oid,
- sizeof(oid[0]),
- sizeof(oid));
-OCTET_STRING_fromBuf(&msg.choice.simple.description,
- description,
- sizeof(description));
-OCTET_STRING_fromBuf(&msg.choice.simple.password,
- "",
- 0);
-
-error = der_encode(&asn_DEF_OpenPDU, &msg, output, &fd);
-
-if (error.encoded == -1)
- {
- printfd(__FILE__, "Could not encode OpenPDU (at %s)\n",
- error.failed_type ? error.failed_type->name : "unknown");
- return -1;
- }
-else
- {
- printfd(__FILE__, "OpenPDU encoded successfully");
- }
-return 0;
-}
-
-int SendClosePDU(int fd)
-{
-ClosePDU msg = ClosePDU_goingDown;
-
-asn_enc_rval_t error;
-error = der_encode(&asn_DEF_ClosePDU, &msg, output, &fd);
-
-if (error.encoded == -1)
- {
- printfd(__FILE__, "Could not encode ClosePDU (at %s)\n",
- error.failed_type ? error.failed_type->name : "unknown");
- return -1;
- }
-else
- {
- printfd(__FILE__, "ClosePDU encoded successfully");
- }
-return 0;
-}
-
-int RecvSMUXPDUs(int fd)
-{
-char buffer[8192];
-SMUX_PDUs * pdus;
-
-size_t length = read(fd, buffer, sizeof(buffer));
-asn_dec_rval_t error;
-error = ber_decode(0, &asn_DEF_SMUX_PDUs, (void **)&pdus, buffer, length);
-if(error.code != RC_OK)
- {
- printfd(__FILE__, "Failed to decode PDUs at byte %ld\n",
- (long)error.consumed);
- return -1;
- }
-switch (pdus->present)
- {
- case SMUX_PDUs_PR_NOTHING:
- printfd(__FILE__, "PDUs: nothing\n");
- break;
- case SMUX_PDUs_PR_open:
- printfd(__FILE__, "PDUs: open\n");
- break;
- case SMUX_PDUs_PR_close:
- printfd(__FILE__, "PDUs: close\n");
- break;
- case SMUX_PDUs_PR_registerRequest:
- printfd(__FILE__, "PDUs: registerRequest\n");
- break;
- case SMUX_PDUs_PR_registerResponse:
- printfd(__FILE__, "PDUs: registerResponse\n");
- break;
- case SMUX_PDUs_PR_pdus:
- printfd(__FILE__, "PDUs: pdus\n");
- break;
- case SMUX_PDUs_PR_commitOrRollback:
- printfd(__FILE__, "PDUs: commitOrRollback\n");
- break;
- default:
- printfd(__FILE__, "PDUs: default\n");
- }
-asn_fprint(stderr, &asn_DEF_SMUX_PDUs, pdus);
-return 0;
-}
-
-int ParseIntInRange(const std::string & str,
- int min,
- int max,
- int * val)
-{
-if (str2x(str.c_str(), *val))
- {
- return -1;
- }
-if (*val < min || *val > max)
- {
- return -1;
- }
-return 0;
-}
-
-SNMP_AGENT_SETTINGS::SNMP_AGENT_SETTINGS()
- : ip(0),
- port(0)
-{}
-
-int SNMP_AGENT_SETTINGS::ParseSettings(const MODULE_SETTINGS & s)
-{
-PARAM_VALUE pv;
-std::vector<PARAM_VALUE>::const_iterator pvi;
-int p;
-///////////////////////////
-pv.param = "Port";
-pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv);
-if (pvi == s.moduleParams.end())
- {
- errorStr = "Parameter \'Port\' not found.";
- printfd(__FILE__, "Parameter 'Port' not found\n");
- return -1;
- }
-if (ParseIntInRange(pvi->value[0], 2, 65535, &p))
- {
- errorStr = "Cannot parse parameter \'Port\': " + errorStr;
- printfd(__FILE__, "Cannot parse parameter 'Port'\n");
- return -1;
- }
-port = p;
-
-pv.param = "Password";
-pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv);
-if (pvi == s.moduleParams.end())
- {
- errorStr = "Parameter \'Password\' not found.";
- printfd(__FILE__, "Parameter 'Password' not found\n");
- password = "";
- }
-else
- {
- password = pvi->value[0];
- }
-
-pv.param = "Server";
-pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv);
-if (pvi == s.moduleParams.end())
- {
- errorStr = "Parameter \'Server\' not found.";
- printfd(__FILE__, "Parameter 'Server' not found\n");
- return -1;
- }
-ip = inet_strington(pvi->value[0]);
-
-return 0;
-}
-
-SNMP_AGENT::SNMP_AGENT()
- : PLUGIN(),
- running(false),
- stopped(true),
- sock(-1)
-{
-pthread_mutex_init(&mutex, NULL);
-}
-
-SNMP_AGENT::~SNMP_AGENT()
-{
-pthread_mutex_destroy(&mutex);
-}
-
-int SNMP_AGENT::ParseSettings()
-{
-return snmpAgentSettings.ParseSettings(settings);
-}
-
-int SNMP_AGENT::Start()
-{
-if (PrepareNet())
- return -1;
-
-if (!running)
- {
- if (pthread_create(&thread, NULL, Runner, this))
- {
- errorStr = "Cannot create thread.";
- printfd(__FILE__, "Cannot create thread\n");
- return -1;
- }
- }
-
-return 0;
-}
-
-int SNMP_AGENT::Stop()
-{
-running = false;
-
-close(sock);
-
-if (!stopped)
- {
- //5 seconds to thread stops itself
- for (int i = 0; i < 25 && !stopped; i++)
- {
- struct timespec ts = {0, 200000000};
- nanosleep(&ts, NULL);
- }
-
- //after 5 seconds waiting thread still running. now killing it
- if (!stopped)
- {
- if (pthread_kill(thread, SIGINT))
- {
- errorStr = "Cannot kill thread.";
- printfd(__FILE__, "Cannot kill thread\n");
- return -1;
- }
- printfd(__FILE__, "SNMP_AGENT killed Run\n");
- }
- }
-
-return 0;
-}
-
-void * SNMP_AGENT::Runner(void * d)
-{
-SNMP_AGENT * snmpAgent = static_cast<SNMP_AGENT *>(d);
-
-snmpAgent->Run();
-
-return NULL;
-}
-
-void SNMP_AGENT::Run()
-{
-SendOpenPDU(sock);
-running = true;
-while(running)
- {
- RecvSMUXPDUs(sock);
- struct timespec ts = {1, 0};
- nanosleep(&ts, NULL);
- }
-SendClosePDU(sock);
-stopped = true;
-}
-
-bool SNMP_AGENT::PrepareNet()
-{
-sock = socket(AF_INET, SOCK_STREAM, 0);
-
-if (sock < 0)
- {
- errorStr = "Cannot create socket.";
- printfd(__FILE__, "Cannot create socket\n");
- return true;
- }
-
-struct sockaddr_in addr;
-
-addr.sin_family = AF_INET;
-addr.sin_port = htons(snmpAgentSettings.GetPort());
-addr.sin_addr.s_addr = snmpAgentSettings.GetIP();
-
-if (connect(sock, reinterpret_cast<struct sockaddr *>(&addr), sizeof(addr)))
- {
- errorStr = "Cannot connect.";
- printfd(__FILE__, "Cannot connect. Message: '%s'\n", strerror(errno));
- return true;
- }
-
-return false;
-}
git.stg.codes / stg.git / blobdiff