X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fopenvpn.c;h=93c8f1b58363fbf8f7a27f4f03a5b4077f74fee8;hb=40e77dd34f9a8466165a8b7d724faeb337c90414;hp=9ce23b4f4cb9c9e2550e86d337a866a451931404;hpb=b61a03b05c1f4040a6599334b65141aa3bd134f5;p=collectd.git diff --git a/src/openvpn.c b/src/openvpn.c index 9ce23b4f..93c8f1b5 100644 --- a/src/openvpn.c +++ b/src/openvpn.c @@ -32,6 +32,7 @@ #define V1STRING "Common Name,Real Address,Bytes Received,Bytes Sent,Connected Since\n" #define V2STRING "HEADER,CLIENT_LIST,Common Name,Real Address,Virtual Address,Bytes Received,Bytes Sent,Connected Since,Connected Since (time_t)\n" #define V3STRING "HEADER CLIENT_LIST Common Name Real Address Virtual Address Bytes Received Bytes Sent Connected Since Connected Since (time_t)\n" +#define V4STRING "HEADER,CLIENT_LIST,Common Name,Real Address,Virtual Address,Bytes Received,Bytes Sent,Connected Since,Connected Since (time_t),Username\n" #define VSSTRING "OpenVPN STATISTICS\n" @@ -43,6 +44,7 @@ struct vpn_status_s MULTI1 = 1, /* status-version 1 */ MULTI2, /* status-version 2 */ MULTI3, /* status-version 3 */ + MULTI4, /* status-version 4 */ SINGLE = 10 /* currently no versions for single mode, maybe in the future */ } version; char *name; @@ -187,8 +189,6 @@ static int single_read (char *name, FILE *fh) post_compress = 0; pre_decompress = 0; post_decompress = 0; - overhead_rx = 0; - overhead_tx = 0; while (fgets (buffer, sizeof (buffer), fh) != NULL) { @@ -265,7 +265,7 @@ static int multi1_read (char *name, FILE *fh) { char buffer[1024]; char *fields[10]; - int fields_num, read = 0, found_header = 0; + int fields_num, found_header = 0; long long sum_users = 0; /* read the file until the "ROUTING TABLE" line is found (no more info after) */ @@ -312,17 +312,15 @@ static int multi1_read (char *name, FILE *fh) atoll (fields[3])); /* "Bytes Sent" */ } } - - read = 1; } + if (ferror (fh)) + return (0); + if (collect_user_count) - { numusers_submit(name, name, sum_users); - read = 1; - } - return (read); + return (1); } /* int multi1_read */ /* for reading status version 2 */ @@ -452,6 +450,70 @@ static int multi3_read (char *name, FILE *fh) return (read); } /* int multi3_read */ +/* for reading status version 4 */ +static int multi4_read (char *name, FILE *fh) +{ + char buffer[1024]; + char *fields[11]; + const int max_fields = STATIC_ARRAY_SIZE (fields); + int fields_num, read = 0; + long long sum_users = 0; + + while (fgets (buffer, sizeof (buffer), fh) != NULL) + { + fields_num = openvpn_strsplit (buffer, fields, max_fields); + + /* status file is generated by openvpn/multi.c:multi_print_status() + * http://svn.openvpn.net/projects/openvpn/trunk/openvpn/multi.c + * + * The line we're expecting has 9 fields. We ignore all lines + * with more or less fields. + */ + if (fields_num != 9) + continue; + + + if (strcmp (fields[0], "CLIENT_LIST") != 0) + continue; + + + if (collect_user_count) + /* If so, sum all users, ignore the individuals*/ + { + sum_users += 1; + } + if (collect_individual_users) + { + if (new_naming_schema) + { + /* plugin inst = file name, type inst = fields[1] */ + iostats_submit (name, /* vpn instance */ + fields[1], /* "Common Name" */ + atoll (fields[4]), /* "Bytes Received" */ + atoll (fields[5])); /* "Bytes Sent" */ + } + else + { + /* plugin inst = fields[1], type inst = "" */ + iostats_submit (fields[1], /* "Common Name" */ + NULL, /* unused when in multimode */ + atoll (fields[4]), /* "Bytes Received" */ + atoll (fields[5])); /* "Bytes Sent" */ + } + } + + read = 1; + } + + if (collect_user_count) + { + numusers_submit(name, name, sum_users); + read = 1; + } + + return (read); +} /* int multi4_read */ + /* read callback */ static int openvpn_read (void) { @@ -463,6 +525,8 @@ static int openvpn_read (void) /* call the right read function for every status entry in the list */ for (i = 0; i < vpn_num; i++) { + int vpn_read = 0; + fh = fopen (vpn_list[i]->file, "r"); if (fh == NULL) { @@ -476,23 +540,28 @@ static int openvpn_read (void) switch (vpn_list[i]->version) { case SINGLE: - read = single_read(vpn_list[i]->name, fh); + vpn_read = single_read(vpn_list[i]->name, fh); break; case MULTI1: - read = multi1_read(vpn_list[i]->name, fh); + vpn_read = multi1_read(vpn_list[i]->name, fh); break; case MULTI2: - read = multi2_read(vpn_list[i]->name, fh); + vpn_read = multi2_read(vpn_list[i]->name, fh); break; case MULTI3: - read = multi3_read(vpn_list[i]->name, fh); + vpn_read = multi3_read(vpn_list[i]->name, fh); + break; + + case MULTI4: + vpn_read = multi4_read(vpn_list[i]->name, fh); break; } fclose (fh); + read += vpn_read; } return (read ? 0 : -1); @@ -549,6 +618,13 @@ static int version_detect (const char *filename) version = MULTI3; break; } + /* searching for multi version 4 */ + else if (strcmp (buffer, V4STRING) == 0) + { + DEBUG ("openvpn plugin: found status file version MULTI4"); + version = MULTI4; + break; + } } if (version == 0) @@ -621,6 +697,14 @@ static int openvpn_config (const char *key, const char *value) /* create a new vpn element since file, version and name are ok */ temp = (vpn_status_t *) malloc (sizeof (vpn_status_t)); + if (temp == NULL) + { + char errbuf[1024]; + ERROR ("openvpn plugin: malloc failed: %s", + sstrerror (errno, errbuf, sizeof (errbuf))); + sfree (status_file); + return (1); + } temp->file = status_file; temp->version = status_version; temp->name = status_name; @@ -629,7 +713,7 @@ static int openvpn_config (const char *key, const char *value) if (vpn_list == NULL) { char errbuf[1024]; - ERROR ("openvpn plugin: malloc failed: %s", + ERROR ("openvpn plugin: realloc failed: %s", sstrerror (errno, errbuf, sizeof (errbuf))); sfree (temp->file);