support nginx-style config file

@@ -46,6 +46,7 @@ url: rtmp://127.0.0.1:1935/live/livestream
 * nginx v1.5.0: 139524 lines <br/>
 
 ### History
+* v0.3, 2013-11-02, support config file in nginx-conf style.
 * v0.3, 2013-10-29, support pithy print log message specified by stage.
 * v0.3, 2013-10-28, support librtmp without extended-timestamp in 0xCX chunk packet.
 * v0.3, 2013-10-27, support cache last gop for client fast startup.

+listen 1935;
+vhost __defaultVhost__ {
+    application live {
+    }
+}

@@ -90,7 +90,8 @@ MODULE_FILES=("srs_core" "srs_core_log" "srs_core_server"
         "srs_core_rtmp" "srs_core_socket" "srs_core_buffer"
         "srs_core_auto_free" "srs_core_protocol" "srs_core_amf0"
         "srs_core_stream" "srs_core_source" "srs_core_codec"
-        "srs_core_complex_handshake" "srs_core_pithy_print")
+        "srs_core_complex_handshake" "srs_core_pithy_print"
+        "srs_core_config")
 MODULE_DIR="src/core" . auto/modules.sh
 CORE_OBJS="${MODULE_OBJS[@]}"
 

@@ -63,7 +63,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 	(void)0
 
 // current release version
-#define RTMP_SIG_SRS_VERSION "0.2"
+#define RTMP_SIG_SRS_VERSION "0.2.0"
 // server info.
 #define RTMP_SIG_SRS_KEY "srs"
 #define RTMP_SIG_SRS_ROLE "origin server"
@@ -76,8 +76,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define RTMP_SIG_SRS_COPYRIGHT "Copyright (c) 2013 winlin"
 
 // compare
-#define srs_min(a, b) ((a < b)? a : b)
-#define srs_max(a, b) ((a < b)? b : a)
+#define srs_min(a, b) (((a) < (b))? (a) : (b))
+#define srs_max(a, b) (((a) < (b))? (b) : (a))
 
 // get current system time in ms, use cache to avoid performance problem
 extern int64_t srs_get_system_time_ms();

@@ -35,7 +35,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <srs_core_pithy_print.hpp>
 
 #define SRS_PULSE_TIMEOUT_MS 100
-#define SRS_SEND_TIMEOUT_MS 5000
+#define SRS_SEND_TIMEOUT_MS 5000000L
 #define SRS_RECV_TIMEOUT_MS SRS_SEND_TIMEOUT_MS
 
 SrsClient::SrsClient(SrsServer* srs_server, st_netfd_t client_stfd)
@@ -63,7 +63,7 @@ int SrsClient::do_cycle()
 		srs_error("get peer ip failed. ret=%d", ret);
 		return ret;
 	}
-	srs_trace("get peer ip success. ip=%s, send_to=%d, recv_to=%d", 
+	srs_trace("get peer ip success. ip=%s, send_to=%"PRId64", recv_to=%"PRId64"", 
 		ip, SRS_SEND_TIMEOUT_MS, SRS_RECV_TIMEOUT_MS);
 
 	rtmp->set_recv_timeout(SRS_RECV_TIMEOUT_MS * 1000);

+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <srs_core_config.hpp>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+// file operations.
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <vector>
+
+#include <srs_core_error.hpp>
+
+#define FILE_OFFSET(fd) lseek(fd, 0, SEEK_CUR)
+
+int64_t FILE_SIZE(int fd)
+{
+	int64_t pre = FILE_OFFSET(fd);
+	int64_t pos = lseek(fd, 0, SEEK_END);
+	lseek(fd, pre, SEEK_SET);
+	return pos;
+}
+
+#define LF (char)0x0a
+#define CR (char)0x0d
+
+bool is_common_space(char ch)
+{
+	return (ch == ' ' || ch == '\t' || ch == CR || ch == LF);
+}
+
+#define CONF_BUFFER_SIZE 4096
+
+SrsFileBuffer::SrsFileBuffer()
+{
+	fd = -1;
+	line = 0;
+
+	pos = last = start = new char[CONF_BUFFER_SIZE];
+	end = start + CONF_BUFFER_SIZE;
+}
+
+SrsFileBuffer::~SrsFileBuffer()
+{
+	if (fd > 0) {
+		close(fd);
+	}
+	srs_freepa(start);
+}
+
+int SrsFileBuffer::open(const char* filename)
+{
+	assert(fd == -1);
+	
+	if ((fd = ::open(filename, O_RDONLY, 0)) < 0) {
+		fprintf(stderr, "open conf file error. errno=%d(%s)\n", errno, strerror(errno));
+		return ERROR_SYSTEM_CONFIG_INVALID;
+	}
+	
+	return ERROR_SUCCESS;
+}
+
+SrsConfDirective::SrsConfDirective()
+{
+}
+
+SrsConfDirective::~SrsConfDirective()
+{
+	std::vector<SrsConfDirective*>::iterator it;
+	for (it = directives.begin(); it != directives.end(); ++it) {
+		SrsConfDirective* directive = *it;
+		srs_freep(directive);
+	}
+	directives.clear();
+}
+
+SrsConfDirective* SrsConfDirective::at(int index)
+{
+	return directives.at(index);
+}
+
+int SrsConfDirective::parse(const char* filename)
+{
+	int ret = ERROR_SUCCESS;
+	
+	SrsFileBuffer buffer;
+	
+	if ((ret = buffer.open(filename)) != ERROR_SUCCESS) {
+		return ret;
+	}
+	
+	return parse_conf(&buffer, parse_file);
+}
+
+// see: ngx_conf_parse
+int SrsConfDirective::parse_conf(SrsFileBuffer* buffer, SrsDirectiveType type)
+{
+	int ret = ERROR_SUCCESS;
+	
+	while (true) {
+		std::vector<std::string> args;
+		ret = read_token(buffer, args);
+		
+		/**
+		* ret maybe:
+		* ERROR_SYSTEM_CONFIG_INVALID 		error.
+		* ERROR_SYSTEM_CONFIG_DIRECTIVE		directive terminated by ';' found
+		* ERROR_SYSTEM_CONFIG_BLOCK_START	token terminated by '{' found
+		* ERROR_SYSTEM_CONFIG_BLOCK_END		the '}' found
+		* ERROR_SYSTEM_CONFIG_EOF			the config file is done
+		*/
+		if (ret == ERROR_SYSTEM_CONFIG_INVALID) {
+			return ret;
+		}
+		if (ret == ERROR_SYSTEM_CONFIG_BLOCK_END) {
+			if (type != parse_block) {
+				fprintf(stderr, "line %d: unexpected \"}\"\n", buffer->line);
+				return ret;
+			}
+			return ERROR_SUCCESS;
+		}
+		if (ret == ERROR_SYSTEM_CONFIG_EOF) {
+			if (type == parse_block) {
+				fprintf(stderr, "line %d: unexpected end of file, expecting \"}\"\n", buffer->line);
+				return ret;
+			}
+			return ERROR_SUCCESS;
+		}
+		
+		if (args.empty()) {
+			fprintf(stderr, "line %d: empty directive.\n", buffer->line);
+			return ret;
+		}
+		
+		// build directive tree.
+		SrsConfDirective* directive = new SrsConfDirective();
+
+		directive->name = args[0];
+		args.erase(args.begin());
+		directive->args.swap(args);
+		
+		directives.push_back(directive);
+		
+		if (ret == ERROR_SYSTEM_CONFIG_BLOCK_START) {
+			if ((ret = directive->parse_conf(buffer, parse_block)) != ERROR_SUCCESS) {
+				return ret;
+			}
+		}
+	}
+	
+	return ret;
+}
+
+// see: ngx_conf_read_token
+int SrsConfDirective::read_token(SrsFileBuffer* buffer, std::vector<std::string>& args)
+{
+	int ret = ERROR_SUCCESS;
+
+	char* pstart = buffer->pos;
+	int startline = buffer->line;
+
+	bool sharp_comment = false;
+	
+	bool d_quoted = false;
+	bool s_quoted = false;
+	
+	bool need_space = false;
+	bool last_space = true;
+	
+	while (true) {
+		if ((ret = refill_buffer(buffer, d_quoted, s_quoted, startline, pstart)) != ERROR_SUCCESS) {
+			if (!args.empty() || !last_space) {
+				fprintf(stderr, "line %d: unexpected end of file, expecting ; or \"}\"\n", buffer->line);
+				return ERROR_SYSTEM_CONFIG_INVALID;
+			}
+			return ret;
+		}
+		
+		char ch = *buffer->pos++;
+		
+		if (ch == LF) {
+			buffer->line++;
+			sharp_comment = false;
+		}
+		
+		if (sharp_comment) {
+			continue;
+		}
+		
+		if (need_space) {
+			if (is_common_space(ch)) {
+				last_space = true;
+				need_space = false;
+				continue;
+			}
+			if (ch == ';') {
+				return ERROR_SYSTEM_CONFIG_DIRECTIVE;
+			}
+			if (ch == '{') {
+				return ERROR_SYSTEM_CONFIG_BLOCK_START;
+			}
+			fprintf(stderr, "line %d: unexpected '%c'\n", buffer->line, ch);
+			return ERROR_SYSTEM_CONFIG_INVALID; 
+		}
+		
+		// last charecter is space.
+		if (last_space) {
+			if (is_common_space(ch)) {
+				continue;
+			}
+			pstart = buffer->pos - 1;
+			startline = buffer->line;
+			switch (ch) {
+				case ';':
+					if (args.size() == 0) {
+						fprintf(stderr, "line %d: unexpected ';'\n", buffer->line);
+						return ERROR_SYSTEM_CONFIG_INVALID;
+					}
+					return ERROR_SYSTEM_CONFIG_DIRECTIVE;
+				case '{':
+					if (args.size() == 0) {
+						fprintf(stderr, "line %d: unexpected '{'\n", buffer->line);
+						return ERROR_SYSTEM_CONFIG_INVALID;
+					}
+					return ERROR_SYSTEM_CONFIG_BLOCK_START;
+				case '}':
+					if (args.size() != 0) {
+						fprintf(stderr, "line %d: unexpected '}'\n", buffer->line);
+						return ERROR_SYSTEM_CONFIG_INVALID;
+					}
+					return ERROR_SYSTEM_CONFIG_BLOCK_END;
+				case '#':
+					sharp_comment = 1;
+					continue;
+				case '"':
+					pstart++;
+					d_quoted = true;
+					last_space = 0;
+					continue;
+				case '\'':
+					pstart++;
+					s_quoted = true;
+					last_space = 0;
+					continue;
+				default:
+					last_space = 0;
+					continue;
+			}
+		} else {
+		// last charecter is not space
+			bool found = false;
+			if (d_quoted) {
+				if (ch == '"') {
+					d_quoted = false;
+					need_space = true;
+					found = true;
+				}
+			} else if (s_quoted) {
+				if (ch == '\'') {
+					s_quoted = false;
+					need_space = true;
+					found = true;
+				}
+			} else if (is_common_space(ch) || ch == ';' || ch == '{') {
+				last_space = true;
+				found = 1;
+			}
+			
+			if (found) {
+				int len = buffer->pos - pstart;
+				char* word = new char[len];
+				memcpy(word, pstart, len);
+				word[len - 1] = 0;
+				
+				args.push_back(word);
+				srs_freepa(word);
+				
+				if (ch == ';') {
+					return ERROR_SYSTEM_CONFIG_DIRECTIVE;
+				}
+				if (ch == '{') {
+					return ERROR_SYSTEM_CONFIG_BLOCK_START;
+				}
+			}
+		}
+	}
+	
+	return ret;
+}
+
+int SrsConfDirective::refill_buffer(SrsFileBuffer* buffer, bool d_quoted, bool s_quoted, int startline, char*& pstart)
+{
+	int ret = ERROR_SUCCESS;
+	
+	if (buffer->pos < buffer->last) {
+		return ret;
+	}
+	
+	int size = FILE_SIZE(buffer->fd) - FILE_OFFSET(buffer->fd);
+	
+	if (size <= 0) {
+		return ERROR_SYSTEM_CONFIG_EOF;
+	}
+	
+	int len = buffer->pos - buffer->start;
+	if (len >= CONF_BUFFER_SIZE) {
+		buffer->line = startline;
+		
+		if (!d_quoted && !s_quoted) {
+			fprintf(stderr, "line %d: too long parameter \"%*s...\" started\n", 
+				buffer->line, 10, buffer->start);
+			
+		} else {
+			fprintf(stderr, "line %d: too long parameter, "
+				"probably missing terminating '%c' character\n", buffer->line, d_quoted? '"':'\'');
+		}
+		return ERROR_SYSTEM_CONFIG_INVALID;
+	}
+	
+	if (len) {
+		memmove(buffer->start, pstart, len);
+	}
+	
+	size = srs_min(size, buffer->end - (buffer->start + len));
+	int n = read(buffer->fd, buffer->start + len, size);
+	if (n != size) {
+		fprintf(stderr, "read file read error. expect %d, actual %d bytes.\n", size, n);
+		return ERROR_SYSTEM_CONFIG_INVALID;
+	}
+	
+	buffer->pos = buffer->start + len;
+	buffer->last = buffer->pos + n;
+	pstart = buffer->start;
+	
+	return ret;
+}
+
+Config::Config()
+{
+	show_help = false;
+	show_version = false;
+	config_file = NULL;
+}
+
+Config::~Config()
+{
+}
+
+// see: ngx_get_options
+int Config::parse_options(int argc, char** argv)
+{
+	int ret = ERROR_SUCCESS;
+	
+	for (int i = 1; i < argc; i++) {
+		if ((ret = parse_argv(i, argv)) != ERROR_SUCCESS) {
+			return ret;
+		}
+	}
+	
+	if (show_help) {
+		print_help(argv);
+	}
+	
+	if (show_version) {
+		fprintf(stderr, "%s\n", RTMP_SIG_SRS_VERSION);
+	}
+	
+	if (show_help || show_version) {
+		exit(0);
+	}
+	
+	if (!config_file) {
+		fprintf(stderr, "config file not specified, see help: %s -h\n", argv[0]);
+		return ERROR_SYSTEM_CONFIG_INVALID;
+	}
+	
+	SrsConfDirective root;
+	root.name = "root";
+	
+	if ((ret = root.parse(config_file)) != ERROR_SUCCESS) {
+		return ret;
+	}
+	
+	return ret;
+}
+
+int Config::parse_argv(int& i, char** argv)
+{
+	int ret = ERROR_SUCCESS;
+
+	char* p = argv[i];
+		
+	if (*p++ != '-') {
+		fprintf(stderr, "invalid options(index=%d, value=%s), "
+			"must starts with -, see help: %s -h\n", i, argv[i], argv[0]);
+		return ERROR_SYSTEM_CONFIG_INVALID;
+	}
+	
+	while (*p) {
+		switch (*p++) {
+			case '?':
+			case 'h':
+				show_help = true;
+				break;
+			case 'v':
+			case 'V':
+				show_version = true;
+				break;
+			case 'c':
+				if (*p) {
+					config_file = p;
+					return ret;
+				}
+				if (argv[++i]) {
+					config_file = argv[i];
+					return ret;
+				}
+				fprintf(stderr, "option \"-c\" requires parameter\n");
+				return ERROR_SYSTEM_CONFIG_INVALID;
+			default:
+				fprintf(stderr, "invalid option: \"%c\", see help: %s -h\n", *(p - 1), argv[0]);
+				return ERROR_SYSTEM_CONFIG_INVALID;
+		}
+	}
+	
+	return ret;
+}
+
+void Config::print_help(char** argv)
+{
+	fprintf(stderr, RTMP_SIG_SRS_NAME" "RTMP_SIG_SRS_VERSION
+		" Copyright (c) 2013 winlin\n"
+		"Usage: %s [-h?vV] [-c <filename>]\n" 
+		"\n"
+		"Options:\n"
+		"   -?-h            : show help\n"
+		"   -v-V            : show version and exit\n"
+		"   -c filename     : set configuration file\n"
+		"\n"
+		RTMP_SIG_SRS_WEB"\n"
+		RTMP_SIG_SRS_URL"\n"
+		"Email: "RTMP_SIG_SRS_EMAIL"\n",
+		argv[0]);
+}
+

+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef SRS_CORE_CONIFG_HPP
+#define SRS_CORE_CONIFG_HPP
+
+/*
+#include <srs_core_config.hpp>
+*/
+#include <srs_core.hpp>
+
+#include <vector>
+#include <string>
+
+/**
+* the config parser.
+*/
+class Config
+{
+private:
+	bool show_help;
+	bool show_version;
+	char* config_file;
+public:
+	Config();
+	virtual ~Config();
+public:
+	virtual int parse_options(int argc, char** argv);
+private:
+	virtual int parse_argv(int& i, char** argv);
+	virtual void print_help(char** argv);
+};
+
+class SrsFileBuffer
+{
+public:
+	int fd;
+	int line;
+	// start of buffer.
+	char* start;
+	// end of buffer.
+	char* end;
+	// current consumed position.
+	char* pos;
+	// last available position.
+	char* last;
+	
+	SrsFileBuffer();
+	virtual ~SrsFileBuffer();
+	virtual int open(const char* filename);
+};
+
+class SrsConfDirective
+{
+public:
+	std::string name;
+	std::vector<std::string> args;
+	std::vector<SrsConfDirective*> directives;
+public:
+	SrsConfDirective();
+	virtual ~SrsConfDirective();
+	SrsConfDirective* at(int index);
+public:
+	virtual int parse(const char* filename);
+public:
+	enum SrsDirectiveType{parse_file, parse_block};
+	virtual int parse_conf(SrsFileBuffer* buffer, SrsDirectiveType type);
+	virtual int read_token(SrsFileBuffer* buffer, std::vector<std::string>& args);
+	virtual int refill_buffer(SrsFileBuffer* buffer, bool d_quoted, bool s_quoted, int startline, char*& pstart);
+};
+
+#endif
\ No newline at end of file

@@ -71,6 +71,11 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define ERROR_SYSTEM_CLIENT_INVALID		402
 #define ERROR_SYSTEM_ASSERT_FAILED		403
 #define ERROR_SYSTEM_SIZE_NEGATIVE		404
+#define ERROR_SYSTEM_CONFIG_INVALID		405
+#define ERROR_SYSTEM_CONFIG_DIRECTIVE	406
+#define ERROR_SYSTEM_CONFIG_BLOCK_START	407
+#define ERROR_SYSTEM_CONFIG_BLOCK_END	408
+#define ERROR_SYSTEM_CONFIG_EOF			409
 
 // see librtmp.
 // failed when open ssl create the dh

@@ -24,26 +24,18 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <srs_core_log.hpp>
 #include <srs_core_error.hpp>
 #include <srs_core_server.hpp>
+#include <srs_core_config.hpp>
 
 #include <stdlib.h>
 
 int main(int argc, char** argv){
 	int ret = ERROR_SUCCESS;
 	
-	if (argc <= 1) {
-		printf(RTMP_SIG_SRS_NAME" "RTMP_SIG_SRS_VERSION
-			" Copyright (c) 2013 winlin\n"
-			"Usage: %s <listen_port>\n" 
-			"\n"
-			RTMP_SIG_SRS_WEB"\n"
-			RTMP_SIG_SRS_URL"\n"
-			"Email: "RTMP_SIG_SRS_EMAIL"\n",
-			argv[0]);
-		exit(1);
-	}
+	Config config;
 	
-	int listen_port = ::atoi(argv[1]);
-	srs_trace("listen_port=%d", listen_port);
+	if ((ret = config.parse_options(argc, argv)) != ERROR_SUCCESS) {
+		return ret;
+	}
 	
 	SrsServer server;
 	
@@ -51,7 +43,7 @@ int main(int argc, char** argv){
 		return ret;
 	}
 	
-	if ((ret = server.listen(listen_port)) != ERROR_SUCCESS) {
+	if ((ret = server.listen(1935)) != ERROR_SUCCESS) {
 		return ret;
 	}
 	

@@ -10,6 +10,8 @@ file
     ..\core\srs_core_auto_free.cpp,
     ..\core\srs_core_server.hpp,
     ..\core\srs_core_server.cpp,
+    ..\core\srs_core_config.hpp,
+    ..\core\srs_core_config.cpp,
     ..\core\srs_core_conn.hpp,
     ..\core\srs_core_conn.cpp,
     ..\core\srs_core_client.hpp,