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flowfive_conf.c
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flowfive_conf.c
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#include <vnet/plugin/plugin.h>
#include <flowfive/flowfive.h>
#include <arpa/inet.h>
// 解析配置
static clib_error_t *
flowfive_config_fn (vlib_main_t *vm, unformat_input_t *input) {
flowfive_main_t *ffm = &flowfive_main;
// rsyslog
ffm->rsyslog.host = "127.0.0.1";
ffm->rsyslog.port = 514;
ffm->rsyslog.facility = 16;
ffm->rsyslog.severity = 6;
ffm->rsyslog.id = 0;
// cache size
ffm->cache_size = CACHE_SIZE_LIMIT;
ffm->log_type = 1;
while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT) {
if ( unformat (input, "rsyslog-host %s", &ffm->rsyslog.host));
else if (unformat (input, "rsyslog-port %d", &ffm->rsyslog.port));
else if (unformat (input, "rsyslog-facility %d", &ffm->rsyslog.facility));
else if (unformat (input, "rsyslog-severity %d", &ffm->rsyslog.severity));
else if (unformat (input, "cache-size %d", &ffm->cache_size));
else if (unformat (input, "log-type %d", &ffm->log_type));
else
break;
}
ffm->rsyslog.id = (ffm->rsyslog.facility << 3) + ffm->rsyslog.severity;
if (!ffm->rsyslog.host) {
return clib_error_return (0, "rsyslog-host must be specified");
}
// memset TODO DPDK
clib_memset(&ffm->servaddr, 0, sizeof(ffm->servaddr));
ffm->servaddr.sin_family = AF_INET;
ffm->servaddr.sin_port = htons(ffm->rsyslog.port);
ffm->servaddr.sin_addr.s_addr = inet_addr(ffm->rsyslog.host);
ffm->servaddr_ptr = (struct sockaddr *)&ffm->servaddr;
ffm->servaddr_size = sizeof(ffm->servaddr);
if ((ffm->rsyslog.sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
clib_error("FlowFive Rsyslog Socket creation failed");
return 0;
}
// memset TODO DPDK
// queue
svm_queue_t *q = svm_queue_alloc_and_init(ffm->cache_size, sizeof(vlib_buffer_t *), 0);
ffm->queue = q;
// queue
return 0;
}
// 注册->解析配置
VLIB_CONFIG_FUNCTION (flowfive_config_fn, "flowfive");