+#include <arpa/inet.h>
#include <assert.h>
#include <ctype.h>
+#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <sys/socket.h>
#include <map>
#include <string>
#include <utility>
#include <vector>
+#include "acceptor.h"
#include "config.h"
#include "log.h"
#include "parse.h"
return false;
}
+ int port = atoi(line.arguments[0].c_str());
+ if (port < 1 || port >= 65536) {
+ log(ERROR, "port %d is out of range (must be [1,65536>).", port);
+ return false;
+ }
+
AcceptorConfig acceptor;
- acceptor.port = atoi(line.arguments[0].c_str());
- if (acceptor.port < 1 || acceptor.port >= 65536) {
- log(ERROR, "port %d is out of range (must be [1,65536>).", acceptor.port);
+ acceptor.addr = CreateAnyAddress(port);
+
+ config->acceptors.push_back(acceptor);
+ return true;
+}
+
+bool parse_listen(const ConfigLine &line, Config *config)
+{
+ if (line.arguments.size() != 1) {
+ log(ERROR, "'listen' takes exactly one argument");
return false;
}
+ string addr_string = line.arguments[0];
+ if (addr_string.empty()) {
+ // Actually, this should never happen.
+ log(ERROR, "'listen' argument cannot be empty");
+ return false;
+ }
+
+ string port_string;
+
+ AcceptorConfig acceptor;
+ memset(&acceptor.addr, 0, sizeof(acceptor.addr));
+ acceptor.addr.sin6_family = AF_INET6;
+ if (addr_string[0] == '[') {
+ // IPv6 address: [addr]:port.
+ size_t addr_end = addr_string.find("]:");
+ if (addr_end == string::npos) {
+ log(ERROR, "IPv6 address '%s' should be on form [address]:port", addr_string.c_str());
+ return false;
+ }
+
+ string addr_only = addr_string.substr(1, addr_end - 1);
+ if (inet_pton(AF_INET6, addr_only.c_str(), &acceptor.addr.sin6_addr) != 1) {
+ log(ERROR, "Invalid IPv6 address '%s'", addr_only.c_str());
+ return false;
+ }
+
+ port_string = addr_string.substr(addr_end + 2);
+ } else {
+ // IPv4 address: addr:port.
+ size_t addr_end = addr_string.find(":");
+ if (addr_end == string::npos) {
+ log(ERROR, "IPv4 address '%s' should be on form address:port", addr_string.c_str());
+ return false;
+ }
+
+ in_addr addr4;
+ string addr_only = addr_string.substr(0, addr_end);
+ if (inet_pton(AF_INET, addr_only.c_str(), &addr4) != 1) {
+ log(ERROR, "Invalid IPv4 address '%s'", addr_only.c_str());
+ return false;
+ }
+
+ // Convert to a v4-mapped address.
+ acceptor.addr.sin6_addr.s6_addr32[2] = htonl(0xffff);
+ acceptor.addr.sin6_addr.s6_addr32[3] = addr4.s_addr;
+ port_string = addr_string.substr(addr_end + 1);
+ }
+
+ int port = atoi(port_string.c_str());
+ if (port < 1 || port >= 65536) {
+ log(ERROR, "port %d is out of range (must be [1,65536>).", port);
+ return false;
+ }
+ acceptor.addr.sin6_port = ntohs(port);
+
config->acceptors.push_back(acceptor);
return true;
}
stream.mark_pool = allocate_mark_pool(from, to, config);
}
+ // Parse the pacing rate, converting from kilobits to bytes as needed.
+ map<string, string>::const_iterator pacing_rate_it = line.parameters.find("pacing_rate_kbit");
+ if (pacing_rate_it == line.parameters.end()) {
+ stream.pacing_rate = ~0U;
+ } else {
+ stream.pacing_rate = atoi(pacing_rate_it->second.c_str()) * 1024 / 8;
+ }
+
config->streams.push_back(stream);
return true;
}
+bool parse_udpstream(const ConfigLine &line, Config *config)
+{
+ if (line.arguments.size() != 1) {
+ log(ERROR, "'udpstream' takes exactly one argument");
+ return false;
+ }
+
+ UDPStreamConfig udpstream;
+
+ string hostport = line.arguments[0];
+
+ // See if the argument if on the type [ipv6addr]:port.
+ if (!hostport.empty() && hostport[0] == '[') {
+ size_t split = hostport.find("]:");
+ if (split == string::npos) {
+ log(ERROR, "udpstream destination '%s' is malformed; must be either [ipv6addr]:port or ipv4addr:port");
+ return false;
+ }
+
+ string host(hostport.begin() + 1, hostport.begin() + split);
+ string port = hostport.substr(split + 2);
+
+ udpstream.dst.sin6_family = AF_INET6;
+ if (inet_pton(AF_INET6, host.c_str(), &udpstream.dst.sin6_addr) != 1) {
+ log(ERROR, "udpstream destination host '%s' is not a valid IPv6 address");
+ return false;
+ }
+
+ udpstream.dst.sin6_port = htons(atoi(port.c_str())); // TODO: Verify validity.
+ } else {
+ // OK, then it must be ipv4addr:port.
+ size_t split = hostport.find(":");
+ if (split == string::npos) {
+ log(ERROR, "udpstream destination '%s' is malformed; must be either [ipv6addr]:port or ipv4addr:port");
+ return false;
+ }
+
+ string host(hostport.begin(), hostport.begin() + split);
+ string port = hostport.substr(split + 1);
+
+ // Parse to an IPv4 address, then construct a mapped-v4 address from that.
+ in_addr addr4;
+
+ if (inet_pton(AF_INET, host.c_str(), &addr4) != 1) {
+ log(ERROR, "udpstream destination host '%s' is not a valid IPv4 address");
+ return false;
+ }
+
+ udpstream.dst.sin6_family = AF_INET6;
+ udpstream.dst.sin6_addr.s6_addr32[0] = 0;
+ udpstream.dst.sin6_addr.s6_addr32[1] = 0;
+ udpstream.dst.sin6_addr.s6_addr32[2] = htonl(0xffff);
+ udpstream.dst.sin6_addr.s6_addr32[3] = addr4.s_addr;
+ udpstream.dst.sin6_port = htons(atoi(port.c_str())); // TODO: Verify validity.
+ }
+
+ map<string, string>::const_iterator src_it = line.parameters.find("src");
+ if (src_it == line.parameters.end()) {
+ // This is pretty meaningless, but OK, consistency is good.
+ log(WARNING, "udpstream to %s has no src= attribute, clients will not get any data.",
+ hostport.c_str());
+ } else {
+ udpstream.src = src_it->second;
+ // TODO: Verify that the URL is parseable?
+ }
+
+ // Parse marks, if so desired.
+ map<string, string>::const_iterator mark_parm_it = line.parameters.find("mark");
+ if (mark_parm_it == line.parameters.end()) {
+ udpstream.mark_pool = -1;
+ } else {
+ int from, to;
+ if (!parse_mark_pool(mark_parm_it->second, &from, &to)) {
+ return false;
+ }
+ udpstream.mark_pool = allocate_mark_pool(from, to, config);
+ }
+
+ // Parse the pacing rate, converting from kilobits to bytes as needed.
+ map<string, string>::const_iterator pacing_rate_it = line.parameters.find("pacing_rate_kbit");
+ if (pacing_rate_it == line.parameters.end()) {
+ udpstream.pacing_rate = ~0U;
+ } else {
+ udpstream.pacing_rate = atoi(pacing_rate_it->second.c_str()) * 1024 / 8;
+ }
+
+ config->udpstreams.push_back(udpstream);
+ return true;
+}
+
bool parse_error_log(const ConfigLine &line, Config *config)
{
if (line.arguments.size() != 0) {
bool has_stats_file = fetch_config_string(lines, "stats_file", &config->stats_file);
bool has_stats_interval = fetch_config_int(lines, "stats_interval", &config->stats_interval);
if (has_stats_interval && !has_stats_file) {
- log(WARNING, "'stats_interval' given, but no 'stats_file'. No statistics will be written.");
+ log(WARNING, "'stats_interval' given, but no 'stats_file'. No client statistics will be written.");
+ }
+
+ config->input_stats_interval = 60;
+ bool has_input_stats_file = fetch_config_string(lines, "input_stats_file", &config->input_stats_file);
+ bool has_input_stats_interval = fetch_config_int(lines, "input_stats_interval", &config->input_stats_interval);
+ if (has_input_stats_interval && !has_input_stats_file) {
+ log(WARNING, "'input_stats_interval' given, but no 'input_stats_file'. No input statistics will be written.");
}
fetch_config_string(lines, "access_log", &config->access_log_file);
if (line.keyword == "num_servers" ||
line.keyword == "stats_file" ||
line.keyword == "stats_interval" ||
+ line.keyword == "input_stats_file" ||
+ line.keyword == "input_stats_interval" ||
line.keyword == "access_log") {
// Already taken care of, above.
} else if (line.keyword == "port") {
if (!parse_port(line, config)) {
return false;
}
+ } else if (line.keyword == "listen") {
+ if (!parse_listen(line, config)) {
+ return false;
+ }
} else if (line.keyword == "stream") {
if (!parse_stream(line, config)) {
return false;
}
+ } else if (line.keyword == "udpstream") {
+ if (!parse_udpstream(line, config)) {
+ return false;
+ }
} else if (line.keyword == "error_log") {
if (!parse_error_log(line, config)) {
return false;