X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fnetwork.c;h=439b0cef704d7d22404f73561faf4d2b3241729c;hb=5c2993e4121feae745551be182221b31bc23ff97;hp=af24911ee365b1ae512000cce93103ffdaf86a94;hpb=f9a6df05238501ca41931af0d8d51acea716c105;p=collectd.git diff --git a/src/network.c b/src/network.c index af24911e..439b0cef 100644 --- a/src/network.c +++ b/src/network.c @@ -39,9 +39,6 @@ #if HAVE_PTHREAD_H # include #endif -#if HAVE_SYS_SOCKET_H -# include -#endif #if HAVE_NETDB_H # include #endif @@ -283,8 +280,8 @@ typedef struct receive_list_entry_s receive_list_entry_t; static int network_config_ttl = 0; /* Ethernet - (IPv6 + UDP) = 1500 - (40 + 8) = 1452 */ static size_t network_config_packet_size = 1452; -static int network_config_forward = 0; -static int network_config_stats = 0; +static _Bool network_config_forward = 0; +static _Bool network_config_stats = 0; static sockent_t *sending_sockets = NULL; @@ -310,6 +307,7 @@ static pthread_t dispatch_thread_id; static char *send_buffer; static char *send_buffer_ptr; static int send_buffer_fill; +static cdtime_t send_buffer_last_update; static value_list_t send_buffer_vl = VALUE_LIST_STATIC; static pthread_mutex_t send_buffer_lock = PTHREAD_MUTEX_INITIALIZER; @@ -353,7 +351,7 @@ static _Bool check_send_okay (const value_list_t *vl) /* {{{ */ _Bool received = 0; int status; - if (network_config_forward != 0) + if (network_config_forward) return (1); if (vl->meta == NULL) @@ -771,18 +769,18 @@ static int write_part_string (char **ret_buffer, int *ret_buffer_len, } /* int write_part_string */ static int parse_part_values (void **ret_buffer, size_t *ret_buffer_len, - value_t **ret_values, int *ret_num_values) + value_t **ret_values, size_t *ret_num_values) { char *buffer = *ret_buffer; size_t buffer_len = *ret_buffer_len; uint16_t tmp16; size_t exp_size; - int i; + size_t i; uint16_t pkg_length; uint16_t pkg_type; - uint16_t pkg_numval; + size_t pkg_numval; uint8_t *pkg_types; value_t *pkg_values; @@ -804,7 +802,7 @@ static int parse_part_values (void **ret_buffer, size_t *ret_buffer_len, memcpy ((void *) &tmp16, buffer, sizeof (tmp16)); buffer += sizeof (tmp16); - pkg_numval = ntohs (tmp16); + pkg_numval = (size_t) ntohs (tmp16); assert (pkg_type == TYPE_VALUES); @@ -819,6 +817,7 @@ static int parse_part_values (void **ret_buffer, size_t *ret_buffer_len, exp_size, buffer_len); return (-1); } + assert (pkg_numval <= ((buffer_len - 6) / 9)); if (pkg_length != exp_size) { @@ -828,20 +827,20 @@ static int parse_part_values (void **ret_buffer, size_t *ret_buffer_len, return (-1); } - pkg_types = (uint8_t *) malloc (pkg_numval * sizeof (uint8_t)); - pkg_values = (value_t *) malloc (pkg_numval * sizeof (value_t)); + pkg_types = calloc (pkg_numval, sizeof (*pkg_types)); + pkg_values = calloc (pkg_numval, sizeof (*pkg_values)); if ((pkg_types == NULL) || (pkg_values == NULL)) { sfree (pkg_types); sfree (pkg_values); - ERROR ("network plugin: parse_part_values: malloc failed."); + ERROR ("network plugin: parse_part_values: calloc failed."); return (-1); } - memcpy ((void *) pkg_types, (void *) buffer, pkg_numval * sizeof (uint8_t)); - buffer += pkg_numval * sizeof (uint8_t); - memcpy ((void *) pkg_values, (void *) buffer, pkg_numval * sizeof (value_t)); - buffer += pkg_numval * sizeof (value_t); + memcpy (pkg_types, buffer, pkg_numval * sizeof (*pkg_types)); + buffer += pkg_numval * sizeof (*pkg_types); + memcpy (pkg_values, buffer, pkg_numval * sizeof (*pkg_values)); + buffer += pkg_numval * sizeof (*pkg_values); for (i = 0; i < pkg_numval; i++) { @@ -2442,7 +2441,7 @@ static int network_receive (void) /* {{{ */ char buffer[network_config_packet_size]; int buffer_len; - int i; + size_t i; int status = 0; receive_list_entry_t *private_list_head; @@ -2583,6 +2582,7 @@ static void network_init_buffer (void) memset (send_buffer, 0, network_config_packet_size); send_buffer_ptr = send_buffer; send_buffer_fill = 0; + send_buffer_last_update = 0; memset (&send_buffer_vl, 0, sizeof (send_buffer_vl)); } /* int network_init_buffer */ @@ -2922,6 +2922,7 @@ static int network_write (const data_set_t *ds, const value_list_t *vl, /* status == bytes added to the buffer */ send_buffer_fill += status; send_buffer_ptr += status; + send_buffer_last_update = cdtime(); stats_values_sent++; } @@ -2958,58 +2959,13 @@ static int network_write (const data_set_t *ds, const value_list_t *vl, return ((status < 0) ? -1 : 0); } /* int network_write */ -static int network_config_set_boolean (const oconfig_item_t *ci, /* {{{ */ - int *retval) -{ - if ((ci->values_num != 1) - || ((ci->values[0].type != OCONFIG_TYPE_BOOLEAN) - && (ci->values[0].type != OCONFIG_TYPE_STRING))) - { - ERROR ("network plugin: The `%s' config option needs " - "exactly one boolean argument.", ci->key); - return (-1); - } - - if (ci->values[0].type == OCONFIG_TYPE_BOOLEAN) - { - if (ci->values[0].value.boolean) - *retval = 1; - else - *retval = 0; - } - else - { - char *str = ci->values[0].value.string; - - if (IS_TRUE (str)) - *retval = 1; - else if (IS_FALSE (str)) - *retval = 0; - else - { - ERROR ("network plugin: Cannot parse string value `%s' of the `%s' " - "option as boolean value.", - str, ci->key); - return (-1); - } - } - - return (0); -} /* }}} int network_config_set_boolean */ - static int network_config_set_ttl (const oconfig_item_t *ci) /* {{{ */ { - int tmp; - if ((ci->values_num != 1) - || (ci->values[0].type != OCONFIG_TYPE_NUMBER)) - { - WARNING ("network plugin: The `TimeToLive' config option needs exactly " - "one numeric argument."); - return (-1); - } + int tmp = 0; - tmp = (int) ci->values[0].value.number; - if ((tmp > 0) && (tmp <= 255)) + if (cf_util_get_int (ci, &tmp) != 0) + return (-1); + else if ((tmp > 0) && (tmp <= 255)) network_config_ttl = tmp; else { WARNING ("network plugin: The `TimeToLive' must be between 1 and 255."); @@ -3022,63 +2978,30 @@ static int network_config_set_ttl (const oconfig_item_t *ci) /* {{{ */ static int network_config_set_interface (const oconfig_item_t *ci, /* {{{ */ int *interface) { - if ((ci->values_num != 1) - || (ci->values[0].type != OCONFIG_TYPE_STRING)) - { - WARNING ("network plugin: The `Interface' config option needs exactly " - "one string argument."); - return (-1); - } + char if_name[256]; - if (interface == NULL) + if (cf_util_get_string_buffer (ci, if_name, sizeof (if_name)) != 0) return (-1); - *interface = if_nametoindex (ci->values[0].value.string); - + *interface = if_nametoindex (if_name); return (0); } /* }}} int network_config_set_interface */ static int network_config_set_buffer_size (const oconfig_item_t *ci) /* {{{ */ { - int tmp; - if ((ci->values_num != 1) - || (ci->values[0].type != OCONFIG_TYPE_NUMBER)) - { - WARNING ("network plugin: The `MaxPacketSize' config option needs exactly " - "one numeric argument."); - return (-1); - } + int tmp = 0; - tmp = (int) ci->values[0].value.number; - if ((tmp >= 1024) && (tmp <= 65535)) + if (cf_util_get_int (ci, &tmp) != 0) + return (-1); + else if ((tmp >= 1024) && (tmp <= 65535)) network_config_packet_size = tmp; - - return (0); -} /* }}} int network_config_set_buffer_size */ - -#if HAVE_LIBGCRYPT -static int network_config_set_string (const oconfig_item_t *ci, /* {{{ */ - char **ret_string) -{ - char *tmp; - if ((ci->values_num != 1) - || (ci->values[0].type != OCONFIG_TYPE_STRING)) - { - WARNING ("network plugin: The `%s' config option needs exactly " - "one string argument.", ci->key); + else { + WARNING ("network plugin: The `MaxPacketSize' must be between 1024 and 65535."); return (-1); } - tmp = strdup (ci->values[0].value.string); - if (tmp == NULL) - return (-1); - - sfree (*ret_string); - *ret_string = tmp; - return (0); -} /* }}} int network_config_set_string */ -#endif /* HAVE_LIBGCRYPT */ +} /* }}} int network_config_set_buffer_size */ #if HAVE_LIBGCRYPT static int network_config_set_security_level (oconfig_item_t *ci, /* {{{ */ @@ -3142,15 +3065,14 @@ static int network_config_add_listen (const oconfig_item_t *ci) /* {{{ */ #if HAVE_LIBGCRYPT if (strcasecmp ("AuthFile", child->key) == 0) - network_config_set_string (child, &se->data.server.auth_file); + cf_util_get_string (child, &se->data.server.auth_file); else if (strcasecmp ("SecurityLevel", child->key) == 0) network_config_set_security_level (child, &se->data.server.security_level); else #endif /* HAVE_LIBGCRYPT */ if (strcasecmp ("Interface", child->key) == 0) - network_config_set_interface (child, - &se->interface); + network_config_set_interface (child, &se->interface); else { WARNING ("network plugin: Option `%s' is not allowed here.", @@ -3181,7 +3103,7 @@ static int network_config_add_listen (const oconfig_item_t *ci) /* {{{ */ status = sockent_server_listen (se); if (status != 0) { - ERROR ("network plugin: network_config_add_server: sockent_server_listen failed."); + ERROR ("network plugin: network_config_add_listen: sockent_server_listen failed."); sockent_destroy (se); return (-1); } @@ -3229,19 +3151,18 @@ static int network_config_add_server (const oconfig_item_t *ci) /* {{{ */ #if HAVE_LIBGCRYPT if (strcasecmp ("Username", child->key) == 0) - network_config_set_string (child, &se->data.client.username); + cf_util_get_string (child, &se->data.client.username); else if (strcasecmp ("Password", child->key) == 0) - network_config_set_string (child, &se->data.client.password); + cf_util_get_string (child, &se->data.client.password); else if (strcasecmp ("SecurityLevel", child->key) == 0) network_config_set_security_level (child, &se->data.client.security_level); else #endif /* HAVE_LIBGCRYPT */ if (strcasecmp ("Interface", child->key) == 0) - network_config_set_interface (child, - &se->interface); - else if (strcasecmp ("ResolveInterval", child->key) == 0) - cf_util_get_cdtime(child, &se->data.client.resolve_interval); + network_config_set_interface (child, &se->interface); + else if (strcasecmp ("ResolveInterval", child->key) == 0) + cf_util_get_cdtime(child, &se->data.client.resolve_interval); else { WARNING ("network plugin: Option `%s' is not allowed here.", @@ -3310,9 +3231,9 @@ static int network_config (oconfig_item_t *ci) /* {{{ */ else if (strcasecmp ("MaxPacketSize", child->key) == 0) network_config_set_buffer_size (child); else if (strcasecmp ("Forward", child->key) == 0) - network_config_set_boolean (child, &network_config_forward); + cf_util_get_boolean (child, &network_config_forward); else if (strcasecmp ("ReportStats", child->key) == 0) - network_config_set_boolean (child, &network_config_stats); + cf_util_get_boolean (child, &network_config_stats); else { WARNING ("network plugin: Option `%s' is not allowed here.", @@ -3533,7 +3454,7 @@ static int network_init (void) network_init_gcrypt (); #endif - if (network_config_stats != 0) + if (network_config_stats) plugin_register_read ("network", network_stats_read); plugin_register_shutdown ("network", network_shutdown); @@ -3611,15 +3532,25 @@ static int network_init (void) * just send the buffer if `flush' is called - if the requested value was in * there, good. If not, well, then there is nothing to flush.. -octo */ -static int network_flush (__attribute__((unused)) cdtime_t timeout, +static int network_flush (cdtime_t timeout, __attribute__((unused)) const char *identifier, __attribute__((unused)) user_data_t *user_data) { pthread_mutex_lock (&send_buffer_lock); if (send_buffer_fill > 0) - flush_buffer (); - + { + if (timeout > 0) + { + cdtime_t now = cdtime (); + if ((send_buffer_last_update + timeout) > now) + { + pthread_mutex_unlock (&send_buffer_lock); + return (0); + } + } + flush_buffer (); + } pthread_mutex_unlock (&send_buffer_lock); return (0);