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refine code, extrat the ISrsHttpMessage.

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This commit is contained in:
winlin 2015-05-22 22:24:05 +08:00
parent e2955da78f
commit ce1bb6c605
13 changed files with 1323 additions and 1202 deletions
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4
trunk/src/app/srs_app_heartbeat.cpp
View file

@ -82,14 +82,14 @@ void SrsHttpHeartbeat::heartbeat()
return;
}
SrsHttpMessage* msg = NULL;
ISrsHttpMessage* msg = NULL;
if ((ret = http.post(uri.get_path(), req, &msg)) != ERROR_SUCCESS) {
srs_info("http post hartbeart uri failed. "
"url=%s, request=%s, response=%s, ret=%d",
url.c_str(), req.c_str(), res.c_str(), ret);
return;
}
SrsAutoFree(SrsHttpMessage, msg);
SrsAutoFree(ISrsHttpMessage, msg);
std::string res;
if ((ret = msg->body_read_all(res)) != ERROR_SUCCESS) {

726
trunk/src/app/srs_app_http.cpp
View file

@ -25,726 +25,17 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifdef SRS_AUTO_HTTP_PARSER
#include <stdlib.h>
#include <sys/stat.h>
#include <algorithm>
#include <sstream>
using namespace std;
#include <srs_kernel_error.hpp>
#include <srs_kernel_log.hpp>
#include <srs_app_st_socket.hpp>
#include <srs_app_http_api.hpp>
#include <srs_app_http_conn.hpp>
#include <srs_app_json.hpp>
#include <srs_kernel_utility.hpp>
#include <srs_rtmp_buffer.hpp>
#include <srs_kernel_file.hpp>
#include <srs_core_autofree.hpp>
#include <srs_rtmp_buffer.hpp>
#include <srs_rtmp_sdk.hpp>
#include <srs_rtmp_buffer.hpp>
#include <srs_kernel_utility.hpp>
#include <srs_rtmp_utility.hpp>
#define SRS_DEFAULT_HTTP_PORT 80
// for http parser macros
#define SRS_CONSTS_HTTP_OPTIONS HTTP_OPTIONS
#define SRS_CONSTS_HTTP_GET HTTP_GET
#define SRS_CONSTS_HTTP_POST HTTP_POST
#define SRS_CONSTS_HTTP_PUT HTTP_PUT
#define SRS_CONSTS_HTTP_DELETE HTTP_DELETE
// for ead all of http body, read each time.
#define SRS_HTTP_READ_CACHE_BYTES 4096
#define SRS_HTTP_DEFAULT_PAGE "index.html"
int srs_http_response_json(ISrsHttpResponseWriter* w, string data)
{
w->header()->set_content_length(data.length());
w->header()->set_content_type("application/json");
return w->write((char*)data.data(), (int)data.length());
}
// get the status text of code.
string srs_generate_http_status_text(int status)
{
static std::map<int, std::string> _status_map;
if (_status_map.empty()) {
_status_map[SRS_CONSTS_HTTP_Continue ] = SRS_CONSTS_HTTP_Continue_str ;
_status_map[SRS_CONSTS_HTTP_SwitchingProtocols ] = SRS_CONSTS_HTTP_SwitchingProtocols_str ;
_status_map[SRS_CONSTS_HTTP_OK ] = SRS_CONSTS_HTTP_OK_str ;
_status_map[SRS_CONSTS_HTTP_Created ] = SRS_CONSTS_HTTP_Created_str ;
_status_map[SRS_CONSTS_HTTP_Accepted ] = SRS_CONSTS_HTTP_Accepted_str ;
_status_map[SRS_CONSTS_HTTP_NonAuthoritativeInformation ] = SRS_CONSTS_HTTP_NonAuthoritativeInformation_str ;
_status_map[SRS_CONSTS_HTTP_NoContent ] = SRS_CONSTS_HTTP_NoContent_str ;
_status_map[SRS_CONSTS_HTTP_ResetContent ] = SRS_CONSTS_HTTP_ResetContent_str ;
_status_map[SRS_CONSTS_HTTP_PartialContent ] = SRS_CONSTS_HTTP_PartialContent_str ;
_status_map[SRS_CONSTS_HTTP_MultipleChoices ] = SRS_CONSTS_HTTP_MultipleChoices_str ;
_status_map[SRS_CONSTS_HTTP_MovedPermanently ] = SRS_CONSTS_HTTP_MovedPermanently_str ;
_status_map[SRS_CONSTS_HTTP_Found ] = SRS_CONSTS_HTTP_Found_str ;
_status_map[SRS_CONSTS_HTTP_SeeOther ] = SRS_CONSTS_HTTP_SeeOther_str ;
_status_map[SRS_CONSTS_HTTP_NotModified ] = SRS_CONSTS_HTTP_NotModified_str ;
_status_map[SRS_CONSTS_HTTP_UseProxy ] = SRS_CONSTS_HTTP_UseProxy_str ;
_status_map[SRS_CONSTS_HTTP_TemporaryRedirect ] = SRS_CONSTS_HTTP_TemporaryRedirect_str ;
_status_map[SRS_CONSTS_HTTP_BadRequest ] = SRS_CONSTS_HTTP_BadRequest_str ;
_status_map[SRS_CONSTS_HTTP_Unauthorized ] = SRS_CONSTS_HTTP_Unauthorized_str ;
_status_map[SRS_CONSTS_HTTP_PaymentRequired ] = SRS_CONSTS_HTTP_PaymentRequired_str ;
_status_map[SRS_CONSTS_HTTP_Forbidden ] = SRS_CONSTS_HTTP_Forbidden_str ;
_status_map[SRS_CONSTS_HTTP_NotFound ] = SRS_CONSTS_HTTP_NotFound_str ;
_status_map[SRS_CONSTS_HTTP_MethodNotAllowed ] = SRS_CONSTS_HTTP_MethodNotAllowed_str ;
_status_map[SRS_CONSTS_HTTP_NotAcceptable ] = SRS_CONSTS_HTTP_NotAcceptable_str ;
_status_map[SRS_CONSTS_HTTP_ProxyAuthenticationRequired ] = SRS_CONSTS_HTTP_ProxyAuthenticationRequired_str ;
_status_map[SRS_CONSTS_HTTP_RequestTimeout ] = SRS_CONSTS_HTTP_RequestTimeout_str ;
_status_map[SRS_CONSTS_HTTP_Conflict ] = SRS_CONSTS_HTTP_Conflict_str ;
_status_map[SRS_CONSTS_HTTP_Gone ] = SRS_CONSTS_HTTP_Gone_str ;
_status_map[SRS_CONSTS_HTTP_LengthRequired ] = SRS_CONSTS_HTTP_LengthRequired_str ;
_status_map[SRS_CONSTS_HTTP_PreconditionFailed ] = SRS_CONSTS_HTTP_PreconditionFailed_str ;
_status_map[SRS_CONSTS_HTTP_RequestEntityTooLarge ] = SRS_CONSTS_HTTP_RequestEntityTooLarge_str ;
_status_map[SRS_CONSTS_HTTP_RequestURITooLarge ] = SRS_CONSTS_HTTP_RequestURITooLarge_str ;
_status_map[SRS_CONSTS_HTTP_UnsupportedMediaType ] = SRS_CONSTS_HTTP_UnsupportedMediaType_str ;
_status_map[SRS_CONSTS_HTTP_RequestedRangeNotSatisfiable ] = SRS_CONSTS_HTTP_RequestedRangeNotSatisfiable_str ;
_status_map[SRS_CONSTS_HTTP_ExpectationFailed ] = SRS_CONSTS_HTTP_ExpectationFailed_str ;
_status_map[SRS_CONSTS_HTTP_InternalServerError ] = SRS_CONSTS_HTTP_InternalServerError_str ;
_status_map[SRS_CONSTS_HTTP_NotImplemented ] = SRS_CONSTS_HTTP_NotImplemented_str ;
_status_map[SRS_CONSTS_HTTP_BadGateway ] = SRS_CONSTS_HTTP_BadGateway_str ;
_status_map[SRS_CONSTS_HTTP_ServiceUnavailable ] = SRS_CONSTS_HTTP_ServiceUnavailable_str ;
_status_map[SRS_CONSTS_HTTP_GatewayTimeout ] = SRS_CONSTS_HTTP_GatewayTimeout_str ;
_status_map[SRS_CONSTS_HTTP_HTTPVersionNotSupported ] = SRS_CONSTS_HTTP_HTTPVersionNotSupported_str ;
}
std::string status_text;
if (_status_map.find(status) == _status_map.end()) {
status_text = "Status Unknown";
} else {
status_text = _status_map[status];
}
return status_text;
}
// bodyAllowedForStatus reports whether a given response status code
// permits a body. See RFC2616, section 4.4.
bool srs_go_http_body_allowd(int status)
{
if (status >= 100 && status <= 199) {
return false;
} else if (status == 204 || status == 304) {
return false;
}
return true;
}
// DetectContentType implements the algorithm described
// at http://mimesniff.spec.whatwg.org/ to determine the
// Content-Type of the given data. It considers at most the
// first 512 bytes of data. DetectContentType always returns
// a valid MIME type: if it cannot determine a more specific one, it
// returns "application/octet-stream".
string srs_go_http_detect(char* data, int size)
{
// detect only when data specified.
if (data) {
}
return "application/octet-stream"; // fallback
}
// Error replies to the request with the specified error message and HTTP code.
// The error message should be plain text.
int srs_go_http_error(ISrsHttpResponseWriter* w, int code, string error)
{
int ret = ERROR_SUCCESS;
w->header()->set_content_type("text/plain; charset=utf-8");
w->header()->set_content_length(error.length());
w->write_header(code);
w->write((char*)error.data(), (int)error.length());
return ret;
}
SrsHttpHeader::SrsHttpHeader()
{
}
SrsHttpHeader::~SrsHttpHeader()
{
}
void SrsHttpHeader::set(string key, string value)
{
headers[key] = value;
}
string SrsHttpHeader::get(string key)
{
std::string v;
if (headers.find(key) != headers.end()) {
v = headers[key];
}
return v;
}
int64_t SrsHttpHeader::content_length()
{
std::string cl = get("Content-Length");
if (cl.empty()) {
return -1;
}
return (int64_t)::atof(cl.c_str());
}
void SrsHttpHeader::set_content_length(int64_t size)
{
char buf[64];
snprintf(buf, sizeof(buf), "%"PRId64, size);
set("Content-Length", buf);
}
string SrsHttpHeader::content_type()
{
return get("Content-Type");
}
void SrsHttpHeader::set_content_type(string ct)
{
set("Content-Type", ct);
}
void SrsHttpHeader::write(stringstream& ss)
{
std::map<std::string, std::string>::iterator it;
for (it = headers.begin(); it != headers.end(); ++it) {
ss << it->first << ": " << it->second << SRS_HTTP_CRLF;
}
}
ISrsHttpResponseWriter::ISrsHttpResponseWriter()
{
}
ISrsHttpResponseWriter::~ISrsHttpResponseWriter()
{
}
ISrsHttpResponseReader::ISrsHttpResponseReader()
{
}
ISrsHttpResponseReader::~ISrsHttpResponseReader()
{
}
ISrsHttpHandler::ISrsHttpHandler()
{
entry = NULL;
}
ISrsHttpHandler::~ISrsHttpHandler()
{
}
SrsHttpRedirectHandler::SrsHttpRedirectHandler(string u, int c)
{
url = u;
code = c;
}
SrsHttpRedirectHandler::~SrsHttpRedirectHandler()
{
}
int SrsHttpRedirectHandler::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
{
int ret = ERROR_SUCCESS;
// TODO: FIXME: implements it.
return ret;
}
SrsHttpNotFoundHandler::SrsHttpNotFoundHandler()
{
}
SrsHttpNotFoundHandler::~SrsHttpNotFoundHandler()
{
}
int SrsHttpNotFoundHandler::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
{
return srs_go_http_error(w,
SRS_CONSTS_HTTP_NotFound, SRS_CONSTS_HTTP_NotFound_str);
}
SrsHttpFileServer::SrsHttpFileServer(string root_dir)
{
dir = root_dir;
}
SrsHttpFileServer::~SrsHttpFileServer()
{
}
int SrsHttpFileServer::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
{
string upath = r->path();
// add default pages.
if (srs_string_ends_with(upath, "/")) {
upath += SRS_HTTP_DEFAULT_PAGE;
}
string fullpath = dir + "/";
// remove the virtual directory.
srs_assert(entry);
size_t pos = entry->pattern.find("/");
if (upath.length() > entry->pattern.length() && pos != string::npos) {
fullpath += upath.substr(entry->pattern.length() - pos);
} else {
fullpath += upath;
}
// stat current dir, if exists, return error.
if (!srs_path_exists(fullpath)) {
srs_warn("http miss file=%s, pattern=%s, upath=%s",
fullpath.c_str(), entry->pattern.c_str(), upath.c_str());
return SrsHttpNotFoundHandler().serve_http(w, r);
}
srs_trace("http match file=%s, pattern=%s, upath=%s",
fullpath.c_str(), entry->pattern.c_str(), upath.c_str());
// handle file according to its extension.
// use vod stream for .flv/.fhv
if (srs_string_ends_with(fullpath, ".flv") || srs_string_ends_with(fullpath, ".fhv")) {
return serve_flv_file(w, r, fullpath);
} else if (srs_string_ends_with(fullpath, ".mp4")) {
return serve_mp4_file(w, r, fullpath);
}
// serve common static file.
return serve_file(w, r, fullpath);
}
int SrsHttpFileServer::serve_file(ISrsHttpResponseWriter* w, SrsHttpMessage* r, string fullpath)
{
int ret = ERROR_SUCCESS;
// open the target file.
SrsFileReader fs;
if ((ret = fs.open(fullpath)) != ERROR_SUCCESS) {
srs_warn("open file %s failed, ret=%d", fullpath.c_str(), ret);
return ret;
}
int64_t length = fs.filesize();
// unset the content length to encode in chunked encoding.
w->header()->set_content_length(length);
static std::map<std::string, std::string> _mime;
if (_mime.empty()) {
_mime[".ts"] = "video/MP2T";
_mime[".flv"] = "video/x-flv";
_mime[".m4v"] = "video/x-m4v";
_mime[".3gpp"] = "video/3gpp";
_mime[".3gp"] = "video/3gpp";
_mime[".mp4"] = "video/mp4";
_mime[".aac"] = "audio/x-aac";
_mime[".mp3"] = "audio/mpeg";
_mime[".m4a"] = "audio/x-m4a";
_mime[".ogg"] = "audio/ogg";
// @see hls-m3u8-draft-pantos-http-live-streaming-12.pdf, page 5.
_mime[".m3u8"] = "application/vnd.apple.mpegurl"; // application/x-mpegURL
_mime[".rss"] = "application/rss+xml";
_mime[".json"] = "application/json";
_mime[".swf"] = "application/x-shockwave-flash";
_mime[".doc"] = "application/msword";
_mime[".zip"] = "application/zip";
_mime[".rar"] = "application/x-rar-compressed";
_mime[".xml"] = "text/xml";
_mime[".html"] = "text/html";
_mime[".js"] = "text/javascript";
_mime[".css"] = "text/css";
_mime[".ico"] = "image/x-icon";
_mime[".png"] = "image/png";
_mime[".jpeg"] = "image/jpeg";
_mime[".jpg"] = "image/jpeg";
_mime[".gif"] = "image/gif";
}
if (true) {
size_t pos;
std::string ext = fullpath;
if ((pos = ext.rfind(".")) != string::npos) {
ext = ext.substr(pos);
}
if (_mime.find(ext) == _mime.end()) {
w->header()->set_content_type("application/octet-stream");
} else {
w->header()->set_content_type(_mime[ext]);
}
}
// write body.
int64_t left = length;
if ((ret = copy(w, &fs, r, (int)left)) != ERROR_SUCCESS) {
if (!srs_is_client_gracefully_close(ret)) {
srs_error("read file=%s size=%d failed, ret=%d", fullpath.c_str(), left, ret);
}
return ret;
}
return w->final_request();
}
int SrsHttpFileServer::serve_flv_file(ISrsHttpResponseWriter* w, SrsHttpMessage* r, string fullpath)
{
std::string start = r->query_get("start");
if (start.empty()) {
return serve_file(w, r, fullpath);
}
int offset = ::atoi(start.c_str());
if (offset <= 0) {
return serve_file(w, r, fullpath);
}
return serve_flv_stream(w, r, fullpath, offset);
}
int SrsHttpFileServer::serve_mp4_file(ISrsHttpResponseWriter* w, SrsHttpMessage* r, string fullpath)
{
// for flash to request mp4 range in query string.
// for example, http://digitalprimates.net/dash/DashTest.html?url=http://dashdemo.edgesuite.net/digitalprimates/nexus/oops-20120802-manifest.mpd
std::string range = r->query_get("range");
// or, use bytes to request range,
// for example, http://dashas.castlabs.com/demo/try.html
if (range.empty()) {
range = r->query_get("bytes");
}
// rollback to serve whole file.
size_t pos = string::npos;
if (range.empty() || (pos = range.find("-")) == string::npos) {
return serve_file(w, r, fullpath);
}
// parse the start in query string
int start = 0;
if (pos > 0) {
start = ::atoi(range.substr(0, pos).c_str());
}
// parse end in query string.
int end = -1;
if (pos < range.length() - 1) {
end = ::atoi(range.substr(pos + 1).c_str());
}
// invalid param, serve as whole mp4 file.
if (start < 0 || (end != -1 && start > end)) {
return serve_file(w, r, fullpath);
}
return serve_mp4_stream(w, r, fullpath, start, end);
}
int SrsHttpFileServer::serve_flv_stream(ISrsHttpResponseWriter* w, SrsHttpMessage* r, string fullpath, int offset)
{
return serve_file(w, r, fullpath);
}
int SrsHttpFileServer::serve_mp4_stream(ISrsHttpResponseWriter* w, SrsHttpMessage* r, string fullpath, int start, int end)
{
return serve_file(w, r, fullpath);
}
int SrsHttpFileServer::copy(ISrsHttpResponseWriter* w, SrsFileReader* fs, SrsHttpMessage* r, int size)
{
int ret = ERROR_SUCCESS;
int left = size;
char* buf = r->http_ts_send_buffer();
while (left > 0) {
ssize_t nread = -1;
int max_read = srs_min(left, SRS_HTTP_TS_SEND_BUFFER_SIZE);
if ((ret = fs->read(buf, max_read, &nread)) != ERROR_SUCCESS) {
break;
}
left -= nread;
if ((ret = w->write(buf, (int)nread)) != ERROR_SUCCESS) {
break;
}
}
return ret;
}
SrsHttpMuxEntry::SrsHttpMuxEntry()
{
enabled = true;
explicit_match = false;
handler = NULL;
}
SrsHttpMuxEntry::~SrsHttpMuxEntry()
{
srs_freep(handler);
}
ISrsHttpMatchHijacker::ISrsHttpMatchHijacker()
{
}
ISrsHttpMatchHijacker::~ISrsHttpMatchHijacker()
{
}
SrsHttpServeMux::SrsHttpServeMux()
{
}
SrsHttpServeMux::~SrsHttpServeMux()
{
std::map<std::string, SrsHttpMuxEntry*>::iterator it;
for (it = entries.begin(); it != entries.end(); ++it) {
SrsHttpMuxEntry* entry = it->second;
srs_freep(entry);
}
entries.clear();
vhosts.clear();
hijackers.clear();
}
int SrsHttpServeMux::initialize()
{
int ret = ERROR_SUCCESS;
// TODO: FIXME: implements it.
return ret;
}
void SrsHttpServeMux::hijack(ISrsHttpMatchHijacker* h)
{
std::vector<ISrsHttpMatchHijacker*>::iterator it = ::find(hijackers.begin(), hijackers.end(), h);
if (it != hijackers.end()) {
return;
}
hijackers.push_back(h);
}
void SrsHttpServeMux::unhijack(ISrsHttpMatchHijacker* h)
{
std::vector<ISrsHttpMatchHijacker*>::iterator it = ::find(hijackers.begin(), hijackers.end(), h);
if (it == hijackers.end()) {
return;
}
hijackers.erase(it);
}
int SrsHttpServeMux::handle(std::string pattern, ISrsHttpHandler* handler)
{
int ret = ERROR_SUCCESS;
srs_assert(handler);
if (pattern.empty()) {
ret = ERROR_HTTP_PATTERN_EMPTY;
srs_error("http: empty pattern. ret=%d", ret);
return ret;
}
if (entries.find(pattern) != entries.end()) {
SrsHttpMuxEntry* exists = entries[pattern];
if (exists->explicit_match) {
ret = ERROR_HTTP_PATTERN_DUPLICATED;
srs_error("http: multiple registrations for %s. ret=%d", pattern.c_str(), ret);
return ret;
}
}
std::string vhost = pattern;
if (pattern.at(0) != '/') {
if (pattern.find("/") != string::npos) {
vhost = pattern.substr(0, pattern.find("/"));
}
vhosts[vhost] = handler;
}
if (true) {
SrsHttpMuxEntry* entry = new SrsHttpMuxEntry();
entry->explicit_match = true;
entry->handler = handler;
entry->pattern = pattern;
entry->handler->entry = entry;
if (entries.find(pattern) != entries.end()) {
SrsHttpMuxEntry* exists = entries[pattern];
srs_freep(exists);
}
entries[pattern] = entry;
}
// Helpful behavior:
// If pattern is /tree/, insert an implicit permanent redirect for /tree.
// It can be overridden by an explicit registration.
if (pattern != "/" && !pattern.empty() && pattern.at(pattern.length() - 1) == '/') {
std::string rpattern = pattern.substr(0, pattern.length() - 1);
SrsHttpMuxEntry* entry = NULL;
// free the exists not explicit entry
if (entries.find(rpattern) != entries.end()) {
SrsHttpMuxEntry* exists = entries[rpattern];
if (!exists->explicit_match) {
entry = exists;
}
}
// create implicit redirect.
if (!entry || entry->explicit_match) {
srs_freep(entry);
entry = new SrsHttpMuxEntry();
entry->explicit_match = false;
entry->handler = new SrsHttpRedirectHandler(pattern, SRS_CONSTS_HTTP_MovedPermanently);
entry->pattern = pattern;
entry->handler->entry = entry;
entries[rpattern] = entry;
}
}
return ret;
}
int SrsHttpServeMux::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
{
int ret = ERROR_SUCCESS;
ISrsHttpHandler* h = NULL;
if ((ret = find_handler(r, &h)) != ERROR_SUCCESS) {
srs_error("find handler failed. ret=%d", ret);
return ret;
}
srs_assert(h);
if ((ret = h->serve_http(w, r)) != ERROR_SUCCESS) {
if (!srs_is_client_gracefully_close(ret)) {
srs_error("handler serve http failed. ret=%d", ret);
}
return ret;
}
return ret;
}
int SrsHttpServeMux::find_handler(SrsHttpMessage* r, ISrsHttpHandler** ph)
{
int ret = ERROR_SUCCESS;
// TODO: FIXME: support the path . and ..
if (r->url().find("..") != std::string::npos) {
ret = ERROR_HTTP_URL_NOT_CLEAN;
srs_error("htt url not canonical, url=%s. ret=%d", r->url().c_str(), ret);
return ret;
}
if ((ret = match(r, ph)) != ERROR_SUCCESS) {
srs_error("http match handler failed. ret=%d", ret);
return ret;
}
// always hijack.
if (!hijackers.empty()) {
// notice all hijacker the match failed.
std::vector<ISrsHttpMatchHijacker*>::iterator it;
for (it = hijackers.begin(); it != hijackers.end(); ++it) {
ISrsHttpMatchHijacker* hijacker = *it;
if ((ret = hijacker->hijack(r, ph)) != ERROR_SUCCESS) {
srs_error("hijacker match failed. ret=%d", ret);
return ret;
}
}
}
if (*ph == NULL) {
// TODO: FIXME: memory leak.
*ph = new SrsHttpNotFoundHandler();
}
return ret;
}
int SrsHttpServeMux::match(SrsHttpMessage* r, ISrsHttpHandler** ph)
{
int ret = ERROR_SUCCESS;
std::string path = r->path();
// Host-specific pattern takes precedence over generic ones
if (!vhosts.empty() && vhosts.find(r->host()) != vhosts.end()) {
path = r->host() + path;
}
int nb_matched = 0;
ISrsHttpHandler* h = NULL;
std::map<std::string, SrsHttpMuxEntry*>::iterator it;
for (it = entries.begin(); it != entries.end(); ++it) {
std::string pattern = it->first;
SrsHttpMuxEntry* entry = it->second;
if (!entry->enabled) {
continue;
}
if (!path_match(pattern, path)) {
continue;
}
if (!h || (int)pattern.length() > nb_matched) {
nb_matched = (int)pattern.length();
h = entry->handler;
}
}
*ph = h;
return ret;
}
bool SrsHttpServeMux::path_match(string pattern, string path)
{
if (pattern.empty()) {
return false;
}
int n = (int)pattern.length();
// not endswith '/', exactly match.
if (pattern.at(n - 1) != '/') {
return pattern == path;
}
// endswith '/', match any,
// for example, '/api/' match '/api/[N]'
if ((int)path.length() >= n) {
if (memcmp(pattern.data(), path.data(), n) == 0) {
return true;
}
}
return false;
}
#include <srs_core_autofree.hpp>
SrsHttpResponseWriter::SrsHttpResponseWriter(SrsStSocket* io)
{
@ -1078,7 +369,7 @@ int SrsHttpResponseReader::read_specified(char* data, int nb_data, int* nb_read)
return ret;
}
SrsHttpMessage::SrsHttpMessage(SrsStSocket* io, SrsConnection* c)
SrsHttpMessage::SrsHttpMessage(SrsStSocket* io, SrsConnection* c) : ISrsHttpMessage()
{
conn = c;
chunked = false;
@ -1165,11 +456,6 @@ int SrsHttpMessage::update(string url, http_parser* header, SrsFastBuffer* body,
return ret;
}
char* SrsHttpMessage::http_ts_send_buffer()
{
return _http_ts_send_buffer;
}
SrsConnection* SrsHttpMessage::connection()
{
return conn;
@ -1409,7 +695,7 @@ int SrsHttpParser::initialize(enum http_parser_type type)
return ret;
}
int SrsHttpParser::parse_message(SrsStSocket* skt, SrsConnection* conn, SrsHttpMessage** ppmsg)
int SrsHttpParser::parse_message(SrsStSocket* skt, SrsConnection* conn, ISrsHttpMessage** ppmsg)
{
*ppmsg = NULL;

365
trunk/src/app/srs_app_http.hpp
View file

@ -34,366 +34,22 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include <map>
#include <string>
#include <vector>
#include <sstream>
#include <http_parser.h>
#include <srs_app_st.hpp>
#include <srs_kernel_consts.hpp>
#include <srs_http_stack.hpp>
class SrsRequest;
class SrsStSocket;
class SrsHttpUri;
class SrsHttpMessage;
class SrsFileReader;
class SrsSimpleBuffer;
class SrsHttpMuxEntry;
class ISrsHttpResponseWriter;
class SrsFastBuffer;
class SrsHttpUri;
class SrsConnection;
// http specification
// CR = <US-ASCII CR, carriage return (13)>
#define SRS_HTTP_CR SRS_CONSTS_CR // 0x0D
// LF = <US-ASCII LF, linefeed (10)>
#define SRS_HTTP_LF SRS_CONSTS_LF // 0x0A
// SP = <US-ASCII SP, space (32)>
#define SRS_HTTP_SP ' ' // 0x20
// HT = <US-ASCII HT, horizontal-tab (9)>
#define SRS_HTTP_HT '\x09' // 0x09
// HTTP/1.1 defines the sequence CR LF as the end-of-line marker for all
// protocol elements except the entity-body (see appendix 19.3 for
// tolerant applications).
#define SRS_HTTP_CRLF "\r\n" // 0x0D0A
#define SRS_HTTP_CRLFCRLF "\r\n\r\n" // 0x0D0A0D0A
// @see SrsHttpMessage._http_ts_send_buffer
#define SRS_HTTP_TS_SEND_BUFFER_SIZE 4096
// helper function: response in json format.
extern int srs_http_response_json(ISrsHttpResponseWriter* w, std::string data);
// state of message
enum SrsHttpParseState {
SrsHttpParseStateInit = 0,
SrsHttpParseStateStart,
SrsHttpParseStateHeaderComplete,
SrsHttpParseStateMessageComplete
};
// A Header represents the key-value pairs in an HTTP header.
class SrsHttpHeader
{
private:
std::map<std::string, std::string> headers;
public:
SrsHttpHeader();
virtual ~SrsHttpHeader();
public:
// Add adds the key, value pair to the header.
// It appends to any existing values associated with key.
virtual void set(std::string key, std::string value);
// Get gets the first value associated with the given key.
// If there are no values associated with the key, Get returns "".
// To access multiple values of a key, access the map directly
// with CanonicalHeaderKey.
virtual std::string get(std::string key);
public:
/**
* get the content length. -1 if not set.
*/
virtual int64_t content_length();
/**
* set the content length by header "Content-Length"
*/
virtual void set_content_length(int64_t size);
public:
/**
* get the content type. empty string if not set.
*/
virtual std::string content_type();
/**
* set the content type by header "Content-Type"
*/
virtual void set_content_type(std::string ct);
public:
/**
* write all headers to string stream.
*/
virtual void write(std::stringstream& ss);
};
// A ResponseWriter interface is used by an HTTP handler to
// construct an HTTP response.
// Usage 1, response with specified length content:
// ISrsHttpResponseWriter* w; // create or get response.
// std::string msg = "Hello, HTTP!";
// w->header()->set_content_type("text/plain; charset=utf-8");
// w->header()->set_content_length(msg.length());
// w->write_header(SRS_CONSTS_HTTP_OK);
// w->write((char*)msg.data(), (int)msg.length());
// w->final_request(); // optional flush.
// Usage 2, response with HTTP code only, zero content length.
// ISrsHttpResponseWriter* w; // create or get response.
// w->header()->set_content_length(0);
// w->write_header(SRS_CONSTS_HTTP_OK);
// w->final_request();
// Usage 3, response in chunked encoding.
// ISrsHttpResponseWriter* w; // create or get response.
// std::string msg = "Hello, HTTP!";
// w->header()->set_content_type("application/octet-stream");
// w->write_header(SRS_CONSTS_HTTP_OK);
// w->write((char*)msg.data(), (int)msg.length());
// w->write((char*)msg.data(), (int)msg.length());
// w->write((char*)msg.data(), (int)msg.length());
// w->write((char*)msg.data(), (int)msg.length());
// w->final_request(); // required to end the chunked and flush.
class ISrsHttpResponseWriter
{
public:
ISrsHttpResponseWriter();
virtual ~ISrsHttpResponseWriter();
public:
// when chunked mode,
// final the request to complete the chunked encoding.
// for no-chunked mode,
// final to send request, for example, content-length is 0.
virtual int final_request() = 0;
// Header returns the header map that will be sent by WriteHeader.
// Changing the header after a call to WriteHeader (or Write) has
// no effect.
virtual SrsHttpHeader* header() = 0;
// Write writes the data to the connection as part of an HTTP reply.
// If WriteHeader has not yet been called, Write calls WriteHeader(http.StatusOK)
// before writing the data. If the Header does not contain a
// Content-Type line, Write adds a Content-Type set to the result of passing
// the initial 512 bytes of written data to DetectContentType.
// @param data, the data to send. NULL to flush header only.
virtual int write(char* data, int size) = 0;
// WriteHeader sends an HTTP response header with status code.
// If WriteHeader is not called explicitly, the first call to Write
// will trigger an implicit WriteHeader(http.StatusOK).
// Thus explicit calls to WriteHeader are mainly used to
// send error codes.
// @remark, user must set header then write or write_header.
virtual void write_header(int code) = 0;
};
/**
* the reader interface for http response.
*/
class ISrsHttpResponseReader
{
public:
ISrsHttpResponseReader();
virtual ~ISrsHttpResponseReader();
public:
/**
* whether response read EOF.
* response writer use st socket
*/
virtual bool eof() = 0;
/**
* read from the response body.
* @param data, the buffer to read data buffer to.
* @param nb_data, the max size of data buffer.
* @param nb_read, the actual read size of bytes. NULL to ignore.
* @remark when eof(), return error.
*/
virtual int read(char* data, int nb_data, int* nb_read) = 0;
};
// Objects implementing the Handler interface can be
// registered to serve a particular path or subtree
// in the HTTP server.
//
// ServeHTTP should write reply headers and data to the ResponseWriter
// and then return. Returning signals that the request is finished
// and that the HTTP server can move on to the next request on
// the connection.
class ISrsHttpHandler
{
public:
SrsHttpMuxEntry* entry;
public:
ISrsHttpHandler();
virtual ~ISrsHttpHandler();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r) = 0;
};
// Redirect to a fixed URL
class SrsHttpRedirectHandler : public ISrsHttpHandler
{
private:
std::string url;
int code;
public:
SrsHttpRedirectHandler(std::string u, int c);
virtual ~SrsHttpRedirectHandler();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
};
// NotFound replies to the request with an HTTP 404 not found error.
class SrsHttpNotFoundHandler : public ISrsHttpHandler
{
public:
SrsHttpNotFoundHandler();
virtual ~SrsHttpNotFoundHandler();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
};
// FileServer returns a handler that serves HTTP requests
// with the contents of the file system rooted at root.
//
// To use the operating system's file system implementation,
// use http.Dir:
//
// http.Handle("/", SrsHttpFileServer("/tmp"))
// http.Handle("/", SrsHttpFileServer("static-dir"))
class SrsHttpFileServer : public ISrsHttpHandler
{
protected:
std::string dir;
public:
SrsHttpFileServer(std::string root_dir);
virtual ~SrsHttpFileServer();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
private:
/**
* serve the file by specified path
*/
virtual int serve_file(ISrsHttpResponseWriter* w, SrsHttpMessage* r, std::string fullpath);
virtual int serve_flv_file(ISrsHttpResponseWriter* w, SrsHttpMessage* r, std::string fullpath);
virtual int serve_mp4_file(ISrsHttpResponseWriter* w, SrsHttpMessage* r, std::string fullpath);
protected:
/**
* when access flv file with x.flv?start=xxx
*/
virtual int serve_flv_stream(ISrsHttpResponseWriter* w, SrsHttpMessage* r, std::string fullpath, int offset);
/**
* when access mp4 file with x.mp4?range=start-end
* @param start the start offset in bytes.
* @param end the end offset in bytes. -1 to end of file.
* @remark response data in [start, end].
*/
virtual int serve_mp4_stream(ISrsHttpResponseWriter* w, SrsHttpMessage* r, std::string fullpath, int start, int end);
protected:
/**
* copy the fs to response writer in size bytes.
*/
virtual int copy(ISrsHttpResponseWriter* w, SrsFileReader* fs, SrsHttpMessage* r, int size);
};
// the mux entry for server mux.
// the matcher info, for example, the pattern and handler.
class SrsHttpMuxEntry
{
public:
bool explicit_match;
ISrsHttpHandler* handler;
std::string pattern;
bool enabled;
public:
SrsHttpMuxEntry();
virtual ~SrsHttpMuxEntry();
};
/**
* the hijacker for http pattern match.
*/
class ISrsHttpMatchHijacker
{
public:
ISrsHttpMatchHijacker();
virtual ~ISrsHttpMatchHijacker();
public:
/**
* when match the request failed, no handler to process request.
* @param request the http request message to match the handler.
* @param ph the already matched handler, hijack can rewrite it.
*/
virtual int hijack(SrsHttpMessage* request, ISrsHttpHandler** ph) = 0;
};
// ServeMux is an HTTP request multiplexer.
// It matches the URL of each incoming request against a list of registered
// patterns and calls the handler for the pattern that
// most closely matches the URL.
//
// Patterns name fixed, rooted paths, like "/favicon.ico",
// or rooted subtrees, like "/images/" (note the trailing slash).
// Longer patterns take precedence over shorter ones, so that
// if there are handlers registered for both "/images/"
// and "/images/thumbnails/", the latter handler will be
// called for paths beginning "/images/thumbnails/" and the
// former will receive requests for any other paths in the
// "/images/" subtree.
//
// Note that since a pattern ending in a slash names a rooted subtree,
// the pattern "/" matches all paths not matched by other registered
// patterns, not just the URL with Path == "/".
//
// Patterns may optionally begin with a host name, restricting matches to
// URLs on that host only. Host-specific patterns take precedence over
// general patterns, so that a handler might register for the two patterns
// "/codesearch" and "codesearch.google.com/" without also taking over
// requests for "http://www.google.com/".
//
// ServeMux also takes care of sanitizing the URL request path,
// redirecting any request containing . or .. elements to an
// equivalent .- and ..-free URL.
class SrsHttpServeMux
{
private:
// the pattern handler, to handle the http request.
std::map<std::string, SrsHttpMuxEntry*> entries;
// the vhost handler.
// when find the handler to process the request,
// append the matched vhost when pattern not starts with /,
// for example, for pattern /live/livestream.flv of vhost ossrs.net,
// the path will rewrite to ossrs.net/live/livestream.flv
std::map<std::string, ISrsHttpHandler*> vhosts;
// all hijackers for http match.
// for example, the hstrs(http stream trigger rtmp source)
// can hijack and install handler when request incoming and no handler.
std::vector<ISrsHttpMatchHijacker*> hijackers;
public:
SrsHttpServeMux();
virtual ~SrsHttpServeMux();
public:
/**
* initialize the http serve mux.
*/
virtual int initialize();
/**
* hijack the http match.
*/
virtual void hijack(ISrsHttpMatchHijacker* h);
virtual void unhijack(ISrsHttpMatchHijacker* h);
public:
// Handle registers the handler for the given pattern.
// If a handler already exists for pattern, Handle panics.
virtual int handle(std::string pattern, ISrsHttpHandler* handler);
// interface ISrsHttpHandler
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
private:
virtual int find_handler(SrsHttpMessage* r, ISrsHttpHandler** ph);
virtual int match(SrsHttpMessage* r, ISrsHttpHandler** ph);
virtual bool path_match(std::string pattern, std::string path);
};
/**
* response writer use st socket
*/
class SrsHttpResponseWriter : public ISrsHttpResponseWriter
{
private:
@ -427,8 +83,8 @@ public:
};
/**
* response reader use st socket.
*/
* response reader use st socket.
*/
class SrsHttpResponseReader : virtual public ISrsHttpResponseReader
{
private:
@ -450,7 +106,7 @@ public:
* initialize the response reader with buffer.
*/
virtual int initialize(SrsFastBuffer* buffer);
// interface ISrsHttpResponseReader
// interface ISrsHttpResponseReader
public:
virtual bool eof();
virtual int read(char* data, int nb_data, int* nb_read);
@ -469,9 +125,9 @@ typedef std::pair<std::string, std::string> SrsHttpHeaderField;
// usage. In addition to the notes on the fields below, see the
// documentation for Request.Write and RoundTripper.
/**
* the http message, request or response.
*/
class SrsHttpMessage
* the http message, request or response.
*/
class SrsHttpMessage : public ISrsHttpMessage
{
private:
/**
@ -525,8 +181,7 @@ public:
virtual int update(std::string url, http_parser* header,
SrsFastBuffer* body, std::vector<SrsHttpHeaderField>& headers
);
public:
virtual char* http_ts_send_buffer();
private:
virtual SrsConnection* connection();
public:
virtual u_int8_t method();
@ -631,7 +286,7 @@ public:
* or error and *ppmsg must be NULL.
* @remark, if success, *ppmsg always NOT-NULL, *ppmsg always is_complete().
*/
virtual int parse_message(SrsStSocket* skt, SrsConnection* conn, SrsHttpMessage** ppmsg);
virtual int parse_message(SrsStSocket* skt, SrsConnection* conn, ISrsHttpMessage** ppmsg);
private:
/**
* parse the HTTP message to member field: msg.

34
trunk/src/app/srs_app_http_api.cpp
View file

@ -48,7 +48,7 @@ SrsGoApiRoot::~SrsGoApiRoot()
{
}
int SrsGoApiRoot::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsGoApiRoot::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
std::stringstream ss;
@ -70,7 +70,7 @@ SrsGoApiApi::~SrsGoApiApi()
{
}
int SrsGoApiApi::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsGoApiApi::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
std::stringstream ss;
@ -92,7 +92,7 @@ SrsGoApiV1::~SrsGoApiV1()
{
}
int SrsGoApiV1::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsGoApiV1::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
std::stringstream ss;
@ -123,7 +123,7 @@ SrsGoApiVersion::~SrsGoApiVersion()
{
}
int SrsGoApiVersion::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsGoApiVersion::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
std::stringstream ss;
@ -148,7 +148,7 @@ SrsGoApiSummaries::~SrsGoApiSummaries()
{
}
int SrsGoApiSummaries::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsGoApiSummaries::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
std::stringstream ss;
srs_api_dump_summaries(ss);
@ -163,7 +163,7 @@ SrsGoApiRusages::~SrsGoApiRusages()
{
}
int SrsGoApiRusages::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* req)
int SrsGoApiRusages::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* req)
{
std::stringstream ss;
@ -204,7 +204,7 @@ SrsGoApiSelfProcStats::~SrsGoApiSelfProcStats()
{
}
int SrsGoApiSelfProcStats::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsGoApiSelfProcStats::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
std::stringstream ss;
@ -274,7 +274,7 @@ SrsGoApiSystemProcStats::~SrsGoApiSystemProcStats()
{
}
int SrsGoApiSystemProcStats::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsGoApiSystemProcStats::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
std::stringstream ss;
@ -309,7 +309,7 @@ SrsGoApiMemInfos::~SrsGoApiMemInfos()
{
}
int SrsGoApiMemInfos::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsGoApiMemInfos::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
std::stringstream ss;
@ -345,7 +345,7 @@ SrsGoApiAuthors::~SrsGoApiAuthors()
{
}
int SrsGoApiAuthors::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsGoApiAuthors::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
std::stringstream ss;
@ -370,9 +370,9 @@ SrsGoApiRequests::~SrsGoApiRequests()
{
}
int SrsGoApiRequests::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsGoApiRequests::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
SrsHttpMessage* req = r;
ISrsHttpMessage* req = r;
std::stringstream ss;
@ -431,7 +431,7 @@ SrsGoApiVhosts::~SrsGoApiVhosts()
{
}
int SrsGoApiVhosts::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsGoApiVhosts::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
std::stringstream data;
SrsStatistic* stat = SrsStatistic::instance();
@ -456,7 +456,7 @@ SrsGoApiStreams::~SrsGoApiStreams()
{
}
int SrsGoApiStreams::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsGoApiStreams::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
std::stringstream data;
SrsStatistic* stat = SrsStatistic::instance();
@ -529,7 +529,7 @@ int SrsHttpApi::do_cycle()
// process http messages.
for (;;) {
SrsHttpMessage* req = NULL;
ISrsHttpMessage* req = NULL;
// get a http message
if ((ret = parser->parse_message(&skt, this, &req)) != ERROR_SUCCESS) {
@ -540,7 +540,7 @@ int SrsHttpApi::do_cycle()
srs_assert(req);
// always free it in this scope.
SrsAutoFree(SrsHttpMessage, req);
SrsAutoFree(ISrsHttpMessage, req);
// TODO: FIXME: use the post body.
std::string res;
@ -566,7 +566,7 @@ int SrsHttpApi::do_cycle()
return ret;
}
int SrsHttpApi::process_request(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsHttpApi::process_request(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
int ret = ERROR_SUCCESS;

30
trunk/src/app/srs_app_http_api.hpp
View file

@ -33,7 +33,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifdef SRS_AUTO_HTTP_API
class SrsStSocket;
class SrsHttpMessage;
class ISrsHttpMessage;
class SrsHttpParser;
class SrsHttpHandler;
@ -48,7 +48,7 @@ public:
SrsGoApiRoot();
virtual ~SrsGoApiRoot();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
class SrsGoApiApi : public ISrsHttpHandler
@ -57,7 +57,7 @@ public:
SrsGoApiApi();
virtual ~SrsGoApiApi();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
class SrsGoApiV1 : public ISrsHttpHandler
@ -66,7 +66,7 @@ public:
SrsGoApiV1();
virtual ~SrsGoApiV1();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
class SrsGoApiVersion : public ISrsHttpHandler
@ -75,7 +75,7 @@ public:
SrsGoApiVersion();
virtual ~SrsGoApiVersion();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
class SrsGoApiSummaries : public ISrsHttpHandler
@ -84,7 +84,7 @@ public:
SrsGoApiSummaries();
virtual ~SrsGoApiSummaries();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
class SrsGoApiRusages : public ISrsHttpHandler
@ -93,7 +93,7 @@ public:
SrsGoApiRusages();
virtual ~SrsGoApiRusages();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
class SrsGoApiSelfProcStats : public ISrsHttpHandler
@ -102,7 +102,7 @@ public:
SrsGoApiSelfProcStats();
virtual ~SrsGoApiSelfProcStats();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
class SrsGoApiSystemProcStats : public ISrsHttpHandler
@ -111,7 +111,7 @@ public:
SrsGoApiSystemProcStats();
virtual ~SrsGoApiSystemProcStats();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
class SrsGoApiMemInfos : public ISrsHttpHandler
@ -120,7 +120,7 @@ public:
SrsGoApiMemInfos();
virtual ~SrsGoApiMemInfos();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
class SrsGoApiAuthors : public ISrsHttpHandler
@ -129,7 +129,7 @@ public:
SrsGoApiAuthors();
virtual ~SrsGoApiAuthors();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
class SrsGoApiRequests : public ISrsHttpHandler
@ -138,7 +138,7 @@ public:
SrsGoApiRequests();
virtual ~SrsGoApiRequests();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
class SrsGoApiVhosts : public ISrsHttpHandler
@ -147,7 +147,7 @@ public:
SrsGoApiVhosts();
virtual ~SrsGoApiVhosts();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
class SrsGoApiStreams : public ISrsHttpHandler
@ -156,7 +156,7 @@ public:
SrsGoApiStreams();
virtual ~SrsGoApiStreams();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
class SrsHttpApi : public SrsConnection
@ -177,7 +177,7 @@ public:
protected:
virtual int do_cycle();
private:
virtual int process_request(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int process_request(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
#endif

8
trunk/src/app/srs_app_http_client.cpp
View file

@ -71,7 +71,7 @@ int SrsHttpClient::initialize(string h, int p, int64_t t_us)
return ret;
}
int SrsHttpClient::post(string path, string req, SrsHttpMessage** ppmsg)
int SrsHttpClient::post(string path, string req, ISrsHttpMessage** ppmsg)
{
*ppmsg = NULL;
@ -104,7 +104,7 @@ int SrsHttpClient::post(string path, string req, SrsHttpMessage** ppmsg)
return ret;
}
SrsHttpMessage* msg = NULL;
ISrsHttpMessage* msg = NULL;
if ((ret = parser->parse_message(skt, NULL, &msg)) != ERROR_SUCCESS) {
srs_error("parse http post response failed. ret=%d", ret);
return ret;
@ -117,7 +117,7 @@ int SrsHttpClient::post(string path, string req, SrsHttpMessage** ppmsg)
return ret;
}
int SrsHttpClient::get(string path, std::string req, SrsHttpMessage** ppmsg)
int SrsHttpClient::get(string path, std::string req, ISrsHttpMessage** ppmsg)
{
*ppmsg = NULL;
@ -150,7 +150,7 @@ int SrsHttpClient::get(string path, std::string req, SrsHttpMessage** ppmsg)
return ret;
}
SrsHttpMessage* msg = NULL;
ISrsHttpMessage* msg = NULL;
if ((ret = parser->parse_message(skt, NULL, &msg)) != ERROR_SUCCESS) {
srs_error("parse http post response failed. ret=%d", ret);
return ret;

6
trunk/src/app/srs_app_http_client.hpp
View file

@ -37,7 +37,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
class SrsHttpUri;
class SrsHttpParser;
class SrsHttpMessage;
class ISrsHttpMessage;
class SrsStSocket;
// the default timeout for http client.
@ -73,14 +73,14 @@ public:
* @param req the data post to uri. empty string to ignore.
* @param ppmsg output the http message to read the response.
*/
virtual int post(std::string path, std::string req, SrsHttpMessage** ppmsg);
virtual int post(std::string path, std::string req, ISrsHttpMessage** ppmsg);
/**
* to get data from the uri.
* @param the path to request on.
* @param req the data post to uri. empty string to ignore.
* @param ppmsg output the http message to read the response.
*/
virtual int get(std::string path, std::string req, SrsHttpMessage** ppmsg);
virtual int get(std::string path, std::string req, ISrsHttpMessage** ppmsg);
private:
virtual void disconnect();
virtual int connect();

26
trunk/src/app/srs_app_http_conn.cpp
View file

@ -60,7 +60,7 @@ SrsVodStream::~SrsVodStream()
{
}
int SrsVodStream::serve_flv_stream(ISrsHttpResponseWriter* w, SrsHttpMessage* r, string fullpath, int offset)
int SrsVodStream::serve_flv_stream(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, string fullpath, int offset)
{
int ret = ERROR_SUCCESS;
@ -144,7 +144,7 @@ int SrsVodStream::serve_flv_stream(ISrsHttpResponseWriter* w, SrsHttpMessage* r,
return ret;
}
int SrsVodStream::serve_mp4_stream(ISrsHttpResponseWriter* w, SrsHttpMessage* r, string fullpath, int start, int end)
int SrsVodStream::serve_mp4_stream(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, string fullpath, int start, int end)
{
int ret = ERROR_SUCCESS;
@ -567,7 +567,7 @@ SrsLiveStream::~SrsLiveStream()
srs_freep(req);
}
int SrsLiveStream::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsLiveStream::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
int ret = ERROR_SUCCESS;
@ -743,7 +743,7 @@ void SrsHlsM3u8Stream::set_m3u8(std::string v)
m3u8 = v;
}
int SrsHlsM3u8Stream::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsHlsM3u8Stream::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
int ret = ERROR_SUCCESS;
@ -775,7 +775,7 @@ void SrsHlsTsStream::set_ts(std::string v)
ts = v;
}
int SrsHlsTsStream::serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsHlsTsStream::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
int ret = ERROR_SUCCESS;
@ -1110,7 +1110,7 @@ int SrsHttpServer::on_reload_vhost_hls(string vhost)
return ret;
}
int SrsHttpServer::hijack(SrsHttpMessage* request, ISrsHttpHandler** ph)
int SrsHttpServer::hijack(ISrsHttpMessage* request, ISrsHttpHandler** ph)
{
int ret = ERROR_SUCCESS;
@ -1169,8 +1169,12 @@ int SrsHttpServer::hijack(SrsHttpMessage* request, ISrsHttpHandler** ph)
}
}
// convert to concreate class.
SrsHttpMessage* hreq = dynamic_cast<SrsHttpMessage*>(request);
srs_assert(hreq);
// hijack for entry.
SrsRequest* r = request->to_request(vhost->arg0());
SrsRequest* r = hreq->to_request(vhost->arg0());
SrsAutoFree(SrsRequest, r);
SrsSource* s = SrsSource::fetch(r);
if (!s) {
@ -1389,7 +1393,7 @@ int SrsHttpConn::do_cycle()
// process http messages.
for (;;) {
SrsHttpMessage* req = NULL;
ISrsHttpMessage* req = NULL;
// get a http message
if ((ret = parser->parse_message(&skt, this, &req)) != ERROR_SUCCESS) {
@ -1400,7 +1404,7 @@ int SrsHttpConn::do_cycle()
srs_assert(req);
// always free it in this scope.
SrsAutoFree(SrsHttpMessage, req);
SrsAutoFree(ISrsHttpMessage, req);
// may should discard the body.
if ((ret = on_got_http_message(req)) != ERROR_SUCCESS) {
@ -1423,7 +1427,7 @@ int SrsHttpConn::do_cycle()
return ret;
}
int SrsHttpConn::process_request(ISrsHttpResponseWriter* w, SrsHttpMessage* r)
int SrsHttpConn::process_request(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
int ret = ERROR_SUCCESS;
@ -1450,7 +1454,7 @@ SrsStaticHttpConn::~SrsStaticHttpConn()
{
}
int SrsStaticHttpConn::on_got_http_message(SrsHttpMessage* msg)
int SrsStaticHttpConn::on_got_http_message(ISrsHttpMessage* msg)
{
int ret = ERROR_SUCCESS;

20
trunk/src/app/srs_app_http_conn.hpp
View file

@ -49,7 +49,7 @@ class SrsAacEncoder;
class SrsMp3Encoder;
class SrsFlvEncoder;
class SrsHttpParser;
class SrsHttpMessage;
class ISrsHttpMessage;
class SrsHttpHandler;
class SrsMessageQueue;
class SrsSharedPtrMessage;
@ -66,8 +66,8 @@ public:
SrsVodStream(std::string root_dir);
virtual ~SrsVodStream();
protected:
virtual int serve_flv_stream(ISrsHttpResponseWriter* w, SrsHttpMessage* r, std::string fullpath, int offset);
virtual int serve_mp4_stream(ISrsHttpResponseWriter* w, SrsHttpMessage* r, std::string fullpath, int start, int end);
virtual int serve_flv_stream(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, std::string fullpath, int offset);
virtual int serve_mp4_stream(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, std::string fullpath, int start, int end);
};
/**
@ -243,7 +243,7 @@ public:
SrsLiveStream(SrsSource* s, SrsRequest* r, SrsStreamCache* c);
virtual ~SrsLiveStream();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
private:
virtual int streaming_send_messages(ISrsStreamEncoder* enc, SrsSharedPtrMessage** msgs, int nb_msgs);
};
@ -289,7 +289,7 @@ public:
public:
virtual void set_m3u8(std::string v);
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
/**
@ -305,7 +305,7 @@ public:
public:
virtual void set_ts(std::string v);
public:
virtual int serve_http(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
/**
@ -365,7 +365,7 @@ public:
virtual int on_reload_vhost_hls(std::string vhost);
// interface ISrsHttpMatchHijacker
public:
virtual int hijack(SrsHttpMessage* request, ISrsHttpHandler** ph);
virtual int hijack(ISrsHttpMessage* request, ISrsHttpHandler** ph);
private:
virtual int initialize_static_file();
virtual int initialize_flv_streaming();
@ -392,9 +392,9 @@ protected:
// when got http message,
// for the static service or api, discard any body.
// for the stream caster, for instance, http flv streaming, may discard the flv header or not.
virtual int on_got_http_message(SrsHttpMessage* msg) = 0;
virtual int on_got_http_message(ISrsHttpMessage* msg) = 0;
private:
virtual int process_request(ISrsHttpResponseWriter* w, SrsHttpMessage* r);
virtual int process_request(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
class SrsStaticHttpConn : public SrsHttpConn
@ -403,7 +403,7 @@ public:
SrsStaticHttpConn(IConnectionManager* cm, st_netfd_t fd, SrsHttpServeMux* m);
virtual ~SrsStaticHttpConn();
public:
virtual int on_got_http_message(SrsHttpMessage* msg);
virtual int on_got_http_message(ISrsHttpMessage* msg);
};
#endif

8
trunk/src/app/srs_app_http_hooks.cpp
View file

@ -371,11 +371,11 @@ int SrsHttpHooks::on_hls_notify(std::string url, SrsRequest* req, std::string ts
}
srs_warn("GET %s", path.c_str());
SrsHttpMessage* msg = NULL;
ISrsHttpMessage* msg = NULL;
if ((ret = http.get(path.c_str(), "", &msg)) != ERROR_SUCCESS) {
return ret;
}
SrsAutoFree(SrsHttpMessage, msg);
SrsAutoFree(ISrsHttpMessage, msg);
int nb_buf = srs_min(nb_notify, SRS_HTTP_READ_BUFFER);
char* buf = new char[nb_buf];
@ -416,11 +416,11 @@ int SrsHttpHooks::do_post(std::string url, std::string req, int& code, string& r
return ret;
}
SrsHttpMessage* msg = NULL;
ISrsHttpMessage* msg = NULL;
if ((ret = http.post(uri.get_path(), req, &msg)) != ERROR_SUCCESS) {
return ret;
}
SrsAutoFree(SrsHttpMessage, msg);
SrsAutoFree(ISrsHttpMessage, msg);
code = msg->status_code();
if ((ret = msg->body_read_all(res)) != ERROR_SUCCESS) {

8
trunk/src/main/srs_main_ingest_hls.cpp
View file

@ -383,14 +383,14 @@ int SrsIngestSrsInput::parseM3u8(SrsHttpUri* url, double& td, double& duration)
return ret;
}
SrsHttpMessage* msg = NULL;
ISrsHttpMessage* msg = NULL;
if ((ret = client.get(url->get_path(), "", &msg)) != ERROR_SUCCESS) {
srs_error("HTTP GET %s failed. ret=%d", url->get_url(), ret);
return ret;
}
srs_assert(msg);
SrsAutoFree(SrsHttpMessage, msg);
SrsAutoFree(ISrsHttpMessage, msg);
std::string body;
if ((ret = msg->body_read_all(body)) != ERROR_SUCCESS) {
@ -605,14 +605,14 @@ int SrsIngestSrsInput::SrsTsPiece::fetch(string m3u8)
return ret;
}
SrsHttpMessage* msg = NULL;
ISrsHttpMessage* msg = NULL;
if ((ret = client.get(uri.get_path(), "", &msg)) != ERROR_SUCCESS) {
srs_error("HTTP GET %s failed. ret=%d", uri.get_url(), ret);
return ret;
}
srs_assert(msg);
SrsAutoFree(SrsHttpMessage, msg);
SrsAutoFree(ISrsHttpMessage, msg);
if ((ret = msg->body_read_all(body)) != ERROR_SUCCESS) {
srs_error("read ts failed. ret=%d", ret);

714
trunk/src/protocol/srs_http_stack.cpp
View file

@ -22,3 +22,717 @@
*/
#include <srs_http_stack.hpp>
#include <sstream>
using namespace std;
#include <srs_kernel_error.hpp>
#include <srs_kernel_log.hpp>
#include <srs_kernel_utility.hpp>
#include <srs_kernel_file.hpp>
#define SRS_HTTP_DEFAULT_PAGE "index.html"
// get the status text of code.
string srs_generate_http_status_text(int status)
{
static std::map<int, std::string> _status_map;
if (_status_map.empty()) {
_status_map[SRS_CONSTS_HTTP_Continue ] = SRS_CONSTS_HTTP_Continue_str ;
_status_map[SRS_CONSTS_HTTP_SwitchingProtocols ] = SRS_CONSTS_HTTP_SwitchingProtocols_str ;
_status_map[SRS_CONSTS_HTTP_OK ] = SRS_CONSTS_HTTP_OK_str ;
_status_map[SRS_CONSTS_HTTP_Created ] = SRS_CONSTS_HTTP_Created_str ;
_status_map[SRS_CONSTS_HTTP_Accepted ] = SRS_CONSTS_HTTP_Accepted_str ;
_status_map[SRS_CONSTS_HTTP_NonAuthoritativeInformation ] = SRS_CONSTS_HTTP_NonAuthoritativeInformation_str ;
_status_map[SRS_CONSTS_HTTP_NoContent ] = SRS_CONSTS_HTTP_NoContent_str ;
_status_map[SRS_CONSTS_HTTP_ResetContent ] = SRS_CONSTS_HTTP_ResetContent_str ;
_status_map[SRS_CONSTS_HTTP_PartialContent ] = SRS_CONSTS_HTTP_PartialContent_str ;
_status_map[SRS_CONSTS_HTTP_MultipleChoices ] = SRS_CONSTS_HTTP_MultipleChoices_str ;
_status_map[SRS_CONSTS_HTTP_MovedPermanently ] = SRS_CONSTS_HTTP_MovedPermanently_str ;
_status_map[SRS_CONSTS_HTTP_Found ] = SRS_CONSTS_HTTP_Found_str ;
_status_map[SRS_CONSTS_HTTP_SeeOther ] = SRS_CONSTS_HTTP_SeeOther_str ;
_status_map[SRS_CONSTS_HTTP_NotModified ] = SRS_CONSTS_HTTP_NotModified_str ;
_status_map[SRS_CONSTS_HTTP_UseProxy ] = SRS_CONSTS_HTTP_UseProxy_str ;
_status_map[SRS_CONSTS_HTTP_TemporaryRedirect ] = SRS_CONSTS_HTTP_TemporaryRedirect_str ;
_status_map[SRS_CONSTS_HTTP_BadRequest ] = SRS_CONSTS_HTTP_BadRequest_str ;
_status_map[SRS_CONSTS_HTTP_Unauthorized ] = SRS_CONSTS_HTTP_Unauthorized_str ;
_status_map[SRS_CONSTS_HTTP_PaymentRequired ] = SRS_CONSTS_HTTP_PaymentRequired_str ;
_status_map[SRS_CONSTS_HTTP_Forbidden ] = SRS_CONSTS_HTTP_Forbidden_str ;
_status_map[SRS_CONSTS_HTTP_NotFound ] = SRS_CONSTS_HTTP_NotFound_str ;
_status_map[SRS_CONSTS_HTTP_MethodNotAllowed ] = SRS_CONSTS_HTTP_MethodNotAllowed_str ;
_status_map[SRS_CONSTS_HTTP_NotAcceptable ] = SRS_CONSTS_HTTP_NotAcceptable_str ;
_status_map[SRS_CONSTS_HTTP_ProxyAuthenticationRequired ] = SRS_CONSTS_HTTP_ProxyAuthenticationRequired_str ;
_status_map[SRS_CONSTS_HTTP_RequestTimeout ] = SRS_CONSTS_HTTP_RequestTimeout_str ;
_status_map[SRS_CONSTS_HTTP_Conflict ] = SRS_CONSTS_HTTP_Conflict_str ;
_status_map[SRS_CONSTS_HTTP_Gone ] = SRS_CONSTS_HTTP_Gone_str ;
_status_map[SRS_CONSTS_HTTP_LengthRequired ] = SRS_CONSTS_HTTP_LengthRequired_str ;
_status_map[SRS_CONSTS_HTTP_PreconditionFailed ] = SRS_CONSTS_HTTP_PreconditionFailed_str ;
_status_map[SRS_CONSTS_HTTP_RequestEntityTooLarge ] = SRS_CONSTS_HTTP_RequestEntityTooLarge_str ;
_status_map[SRS_CONSTS_HTTP_RequestURITooLarge ] = SRS_CONSTS_HTTP_RequestURITooLarge_str ;
_status_map[SRS_CONSTS_HTTP_UnsupportedMediaType ] = SRS_CONSTS_HTTP_UnsupportedMediaType_str ;
_status_map[SRS_CONSTS_HTTP_RequestedRangeNotSatisfiable ] = SRS_CONSTS_HTTP_RequestedRangeNotSatisfiable_str ;
_status_map[SRS_CONSTS_HTTP_ExpectationFailed ] = SRS_CONSTS_HTTP_ExpectationFailed_str ;
_status_map[SRS_CONSTS_HTTP_InternalServerError ] = SRS_CONSTS_HTTP_InternalServerError_str ;
_status_map[SRS_CONSTS_HTTP_NotImplemented ] = SRS_CONSTS_HTTP_NotImplemented_str ;
_status_map[SRS_CONSTS_HTTP_BadGateway ] = SRS_CONSTS_HTTP_BadGateway_str ;
_status_map[SRS_CONSTS_HTTP_ServiceUnavailable ] = SRS_CONSTS_HTTP_ServiceUnavailable_str ;
_status_map[SRS_CONSTS_HTTP_GatewayTimeout ] = SRS_CONSTS_HTTP_GatewayTimeout_str ;
_status_map[SRS_CONSTS_HTTP_HTTPVersionNotSupported ] = SRS_CONSTS_HTTP_HTTPVersionNotSupported_str ;
}
std::string status_text;
if (_status_map.find(status) == _status_map.end()) {
status_text = "Status Unknown";
} else {
status_text = _status_map[status];
}
return status_text;
}
// bodyAllowedForStatus reports whether a given response status code
// permits a body. See RFC2616, section 4.4.
bool srs_go_http_body_allowd(int status)
{
if (status >= 100 && status <= 199) {
return false;
} else if (status == 204 || status == 304) {
return false;
}
return true;
}
// DetectContentType implements the algorithm described
// at http://mimesniff.spec.whatwg.org/ to determine the
// Content-Type of the given data. It considers at most the
// first 512 bytes of data. DetectContentType always returns
// a valid MIME type: if it cannot determine a more specific one, it
// returns "application/octet-stream".
string srs_go_http_detect(char* data, int size)
{
// detect only when data specified.
if (data) {
}
return "application/octet-stream"; // fallback
}
// Error replies to the request with the specified error message and HTTP code.
// The error message should be plain text.
int srs_go_http_error(ISrsHttpResponseWriter* w, int code, string error)
{
int ret = ERROR_SUCCESS;
w->header()->set_content_type("text/plain; charset=utf-8");
w->header()->set_content_length(error.length());
w->write_header(code);
w->write((char*)error.data(), (int)error.length());
return ret;
}
int srs_http_response_json(ISrsHttpResponseWriter* w, string data)
{
SrsHttpHeader* h = w->header();
h->set_content_length(data.length());
h->set_content_type("application/json");
return w->write((char*)data.data(), (int)data.length());
}
SrsHttpHeader::SrsHttpHeader()
{
}
SrsHttpHeader::~SrsHttpHeader()
{
}
void SrsHttpHeader::set(string key, string value)
{
headers[key] = value;
}
string SrsHttpHeader::get(string key)
{
std::string v;
if (headers.find(key) != headers.end()) {
v = headers[key];
}
return v;
}
int64_t SrsHttpHeader::content_length()
{
std::string cl = get("Content-Length");
if (cl.empty()) {
return -1;
}
return (int64_t)::atof(cl.c_str());
}
void SrsHttpHeader::set_content_length(int64_t size)
{
char buf[64];
snprintf(buf, sizeof(buf), "%"PRId64, size);
set("Content-Length", buf);
}
string SrsHttpHeader::content_type()
{
return get("Content-Type");
}
void SrsHttpHeader::set_content_type(string ct)
{
set("Content-Type", ct);
}
void SrsHttpHeader::write(stringstream& ss)
{
std::map<std::string, std::string>::iterator it;
for (it = headers.begin(); it != headers.end(); ++it) {
ss << it->first << ": " << it->second << SRS_HTTP_CRLF;
}
}
ISrsHttpResponseWriter::ISrsHttpResponseWriter()
{
}
ISrsHttpResponseWriter::~ISrsHttpResponseWriter()
{
}
ISrsHttpResponseReader::ISrsHttpResponseReader()
{
}
ISrsHttpResponseReader::~ISrsHttpResponseReader()
{
}
ISrsHttpHandler::ISrsHttpHandler()
{
entry = NULL;
}
ISrsHttpHandler::~ISrsHttpHandler()
{
}
SrsHttpRedirectHandler::SrsHttpRedirectHandler(string u, int c)
{
url = u;
code = c;
}
SrsHttpRedirectHandler::~SrsHttpRedirectHandler()
{
}
int SrsHttpRedirectHandler::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
int ret = ERROR_SUCCESS;
// TODO: FIXME: implements it.
return ret;
}
SrsHttpNotFoundHandler::SrsHttpNotFoundHandler()
{
}
SrsHttpNotFoundHandler::~SrsHttpNotFoundHandler()
{
}
int SrsHttpNotFoundHandler::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
return srs_go_http_error(w, SRS_CONSTS_HTTP_NotFound, SRS_CONSTS_HTTP_NotFound_str);
}
SrsHttpFileServer::SrsHttpFileServer(string root_dir)
{
dir = root_dir;
}
SrsHttpFileServer::~SrsHttpFileServer()
{
}
int SrsHttpFileServer::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
string upath = r->path();
// add default pages.
if (srs_string_ends_with(upath, "/")) {
upath += SRS_HTTP_DEFAULT_PAGE;
}
string fullpath = dir + "/";
// remove the virtual directory.
srs_assert(entry);
size_t pos = entry->pattern.find("/");
if (upath.length() > entry->pattern.length() && pos != string::npos) {
fullpath += upath.substr(entry->pattern.length() - pos);
} else {
fullpath += upath;
}
// stat current dir, if exists, return error.
if (!srs_path_exists(fullpath)) {
srs_warn("http miss file=%s, pattern=%s, upath=%s",
fullpath.c_str(), entry->pattern.c_str(), upath.c_str());
return SrsHttpNotFoundHandler().serve_http(w, r);
}
srs_trace("http match file=%s, pattern=%s, upath=%s",
fullpath.c_str(), entry->pattern.c_str(), upath.c_str());
// handle file according to its extension.
// use vod stream for .flv/.fhv
if (srs_string_ends_with(fullpath, ".flv") || srs_string_ends_with(fullpath, ".fhv")) {
return serve_flv_file(w, r, fullpath);
} else if (srs_string_ends_with(fullpath, ".mp4")) {
return serve_mp4_file(w, r, fullpath);
}
// serve common static file.
return serve_file(w, r, fullpath);
}
int SrsHttpFileServer::serve_file(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, string fullpath)
{
int ret = ERROR_SUCCESS;
// open the target file.
SrsFileReader fs;
if ((ret = fs.open(fullpath)) != ERROR_SUCCESS) {
srs_warn("open file %s failed, ret=%d", fullpath.c_str(), ret);
return ret;
}
int64_t length = fs.filesize();
// unset the content length to encode in chunked encoding.
w->header()->set_content_length(length);
static std::map<std::string, std::string> _mime;
if (_mime.empty()) {
_mime[".ts"] = "video/MP2T";
_mime[".flv"] = "video/x-flv";
_mime[".m4v"] = "video/x-m4v";
_mime[".3gpp"] = "video/3gpp";
_mime[".3gp"] = "video/3gpp";
_mime[".mp4"] = "video/mp4";
_mime[".aac"] = "audio/x-aac";
_mime[".mp3"] = "audio/mpeg";
_mime[".m4a"] = "audio/x-m4a";
_mime[".ogg"] = "audio/ogg";
// @see hls-m3u8-draft-pantos-http-live-streaming-12.pdf, page 5.
_mime[".m3u8"] = "application/vnd.apple.mpegurl"; // application/x-mpegURL
_mime[".rss"] = "application/rss+xml";
_mime[".json"] = "application/json";
_mime[".swf"] = "application/x-shockwave-flash";
_mime[".doc"] = "application/msword";
_mime[".zip"] = "application/zip";
_mime[".rar"] = "application/x-rar-compressed";
_mime[".xml"] = "text/xml";
_mime[".html"] = "text/html";
_mime[".js"] = "text/javascript";
_mime[".css"] = "text/css";
_mime[".ico"] = "image/x-icon";
_mime[".png"] = "image/png";
_mime[".jpeg"] = "image/jpeg";
_mime[".jpg"] = "image/jpeg";
_mime[".gif"] = "image/gif";
}
if (true) {
size_t pos;
std::string ext = fullpath;
if ((pos = ext.rfind(".")) != string::npos) {
ext = ext.substr(pos);
}
if (_mime.find(ext) == _mime.end()) {
w->header()->set_content_type("application/octet-stream");
} else {
w->header()->set_content_type(_mime[ext]);
}
}
// write body.
int64_t left = length;
if ((ret = copy(w, &fs, r, (int)left)) != ERROR_SUCCESS) {
if (!srs_is_client_gracefully_close(ret)) {
srs_error("read file=%s size=%d failed, ret=%d", fullpath.c_str(), left, ret);
}
return ret;
}
return w->final_request();
}
int SrsHttpFileServer::serve_flv_file(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, string fullpath)
{
std::string start = r->query_get("start");
if (start.empty()) {
return serve_file(w, r, fullpath);
}
int offset = ::atoi(start.c_str());
if (offset <= 0) {
return serve_file(w, r, fullpath);
}
return serve_flv_stream(w, r, fullpath, offset);
}
int SrsHttpFileServer::serve_mp4_file(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, string fullpath)
{
// for flash to request mp4 range in query string.
// for example, http://digitalprimates.net/dash/DashTest.html?url=http://dashdemo.edgesuite.net/digitalprimates/nexus/oops-20120802-manifest.mpd
std::string range = r->query_get("range");
// or, use bytes to request range,
// for example, http://dashas.castlabs.com/demo/try.html
if (range.empty()) {
range = r->query_get("bytes");
}
// rollback to serve whole file.
size_t pos = string::npos;
if (range.empty() || (pos = range.find("-")) == string::npos) {
return serve_file(w, r, fullpath);
}
// parse the start in query string
int start = 0;
if (pos > 0) {
start = ::atoi(range.substr(0, pos).c_str());
}
// parse end in query string.
int end = -1;
if (pos < range.length() - 1) {
end = ::atoi(range.substr(pos + 1).c_str());
}
// invalid param, serve as whole mp4 file.
if (start < 0 || (end != -1 && start > end)) {
return serve_file(w, r, fullpath);
}
return serve_mp4_stream(w, r, fullpath, start, end);
}
int SrsHttpFileServer::serve_flv_stream(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, string fullpath, int offset)
{
return serve_file(w, r, fullpath);
}
int SrsHttpFileServer::serve_mp4_stream(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, string fullpath, int start, int end)
{
return serve_file(w, r, fullpath);
}
int SrsHttpFileServer::copy(ISrsHttpResponseWriter* w, SrsFileReader* fs, ISrsHttpMessage* r, int size)
{
int ret = ERROR_SUCCESS;
int left = size;
char* buf = r->http_ts_send_buffer();
while (left > 0) {
ssize_t nread = -1;
int max_read = srs_min(left, SRS_HTTP_TS_SEND_BUFFER_SIZE);
if ((ret = fs->read(buf, max_read, &nread)) != ERROR_SUCCESS) {
break;
}
left -= nread;
if ((ret = w->write(buf, (int)nread)) != ERROR_SUCCESS) {
break;
}
}
return ret;
}
SrsHttpMuxEntry::SrsHttpMuxEntry()
{
enabled = true;
explicit_match = false;
handler = NULL;
}
SrsHttpMuxEntry::~SrsHttpMuxEntry()
{
srs_freep(handler);
}
ISrsHttpMatchHijacker::ISrsHttpMatchHijacker()
{
}
ISrsHttpMatchHijacker::~ISrsHttpMatchHijacker()
{
}
SrsHttpServeMux::SrsHttpServeMux()
{
}
SrsHttpServeMux::~SrsHttpServeMux()
{
std::map<std::string, SrsHttpMuxEntry*>::iterator it;
for (it = entries.begin(); it != entries.end(); ++it) {
SrsHttpMuxEntry* entry = it->second;
srs_freep(entry);
}
entries.clear();
vhosts.clear();
hijackers.clear();
}
int SrsHttpServeMux::initialize()
{
int ret = ERROR_SUCCESS;
// TODO: FIXME: implements it.
return ret;
}
void SrsHttpServeMux::hijack(ISrsHttpMatchHijacker* h)
{
std::vector<ISrsHttpMatchHijacker*>::iterator it = ::find(hijackers.begin(), hijackers.end(), h);
if (it != hijackers.end()) {
return;
}
hijackers.push_back(h);
}
void SrsHttpServeMux::unhijack(ISrsHttpMatchHijacker* h)
{
std::vector<ISrsHttpMatchHijacker*>::iterator it = ::find(hijackers.begin(), hijackers.end(), h);
if (it == hijackers.end()) {
return;
}
hijackers.erase(it);
}
int SrsHttpServeMux::handle(std::string pattern, ISrsHttpHandler* handler)
{
int ret = ERROR_SUCCESS;
srs_assert(handler);
if (pattern.empty()) {
ret = ERROR_HTTP_PATTERN_EMPTY;
srs_error("http: empty pattern. ret=%d", ret);
return ret;
}
if (entries.find(pattern) != entries.end()) {
SrsHttpMuxEntry* exists = entries[pattern];
if (exists->explicit_match) {
ret = ERROR_HTTP_PATTERN_DUPLICATED;
srs_error("http: multiple registrations for %s. ret=%d", pattern.c_str(), ret);
return ret;
}
}
std::string vhost = pattern;
if (pattern.at(0) != '/') {
if (pattern.find("/") != string::npos) {
vhost = pattern.substr(0, pattern.find("/"));
}
vhosts[vhost] = handler;
}
if (true) {
SrsHttpMuxEntry* entry = new SrsHttpMuxEntry();
entry->explicit_match = true;
entry->handler = handler;
entry->pattern = pattern;
entry->handler->entry = entry;
if (entries.find(pattern) != entries.end()) {
SrsHttpMuxEntry* exists = entries[pattern];
srs_freep(exists);
}
entries[pattern] = entry;
}
// Helpful behavior:
// If pattern is /tree/, insert an implicit permanent redirect for /tree.
// It can be overridden by an explicit registration.
if (pattern != "/" && !pattern.empty() && pattern.at(pattern.length() - 1) == '/') {
std::string rpattern = pattern.substr(0, pattern.length() - 1);
SrsHttpMuxEntry* entry = NULL;
// free the exists not explicit entry
if (entries.find(rpattern) != entries.end()) {
SrsHttpMuxEntry* exists = entries[rpattern];
if (!exists->explicit_match) {
entry = exists;
}
}
// create implicit redirect.
if (!entry || entry->explicit_match) {
srs_freep(entry);
entry = new SrsHttpMuxEntry();
entry->explicit_match = false;
entry->handler = new SrsHttpRedirectHandler(pattern, SRS_CONSTS_HTTP_MovedPermanently);
entry->pattern = pattern;
entry->handler->entry = entry;
entries[rpattern] = entry;
}
}
return ret;
}
int SrsHttpServeMux::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r)
{
int ret = ERROR_SUCCESS;
ISrsHttpHandler* h = NULL;
if ((ret = find_handler(r, &h)) != ERROR_SUCCESS) {
srs_error("find handler failed. ret=%d", ret);
return ret;
}
srs_assert(h);
if ((ret = h->serve_http(w, r)) != ERROR_SUCCESS) {
if (!srs_is_client_gracefully_close(ret)) {
srs_error("handler serve http failed. ret=%d", ret);
}
return ret;
}
return ret;
}
int SrsHttpServeMux::find_handler(ISrsHttpMessage* r, ISrsHttpHandler** ph)
{
int ret = ERROR_SUCCESS;
// TODO: FIXME: support the path . and ..
if (r->url().find("..") != std::string::npos) {
ret = ERROR_HTTP_URL_NOT_CLEAN;
srs_error("htt url not canonical, url=%s. ret=%d", r->url().c_str(), ret);
return ret;
}
if ((ret = match(r, ph)) != ERROR_SUCCESS) {
srs_error("http match handler failed. ret=%d", ret);
return ret;
}
// always hijack.
if (!hijackers.empty()) {
// notice all hijacker the match failed.
std::vector<ISrsHttpMatchHijacker*>::iterator it;
for (it = hijackers.begin(); it != hijackers.end(); ++it) {
ISrsHttpMatchHijacker* hijacker = *it;
if ((ret = hijacker->hijack(r, ph)) != ERROR_SUCCESS) {
srs_error("hijacker match failed. ret=%d", ret);
return ret;
}
}
}
if (*ph == NULL) {
// TODO: FIXME: memory leak.
*ph = new SrsHttpNotFoundHandler();
}
return ret;
}
int SrsHttpServeMux::match(ISrsHttpMessage* r, ISrsHttpHandler** ph)
{
int ret = ERROR_SUCCESS;
std::string path = r->path();
// Host-specific pattern takes precedence over generic ones
if (!vhosts.empty() && vhosts.find(r->host()) != vhosts.end()) {
path = r->host() + path;
}
int nb_matched = 0;
ISrsHttpHandler* h = NULL;
std::map<std::string, SrsHttpMuxEntry*>::iterator it;
for (it = entries.begin(); it != entries.end(); ++it) {
std::string pattern = it->first;
SrsHttpMuxEntry* entry = it->second;
if (!entry->enabled) {
continue;
}
if (!path_match(pattern, path)) {
continue;
}
if (!h || (int)pattern.length() > nb_matched) {
nb_matched = (int)pattern.length();
h = entry->handler;
}
}
*ph = h;
return ret;
}
bool SrsHttpServeMux::path_match(string pattern, string path)
{
if (pattern.empty()) {
return false;
}
int n = (int)pattern.length();
// not endswith '/', exactly match.
if (pattern.at(n - 1) != '/') {
return pattern == path;
}
// endswith '/', match any,
// for example, '/api/' match '/api/[N]'
if ((int)path.length() >= n) {
if (memcmp(pattern.data(), path.data(), n) == 0) {
return true;
}
}
return false;
}
ISrsHttpMessage::ISrsHttpMessage()
{
_http_ts_send_buffer = new char[SRS_HTTP_TS_SEND_BUFFER_SIZE];
}
ISrsHttpMessage::~ISrsHttpMessage()
{
srs_freep(_http_ts_send_buffer);
}
char* ISrsHttpMessage::http_ts_send_buffer()
{
return _http_ts_send_buffer;
}

462
trunk/src/protocol/srs_http_stack.hpp
View file

@ -29,4 +29,466 @@
*/
#include <srs_core.hpp>
#include <map>
#include <string>
#include <vector>
class SrsFileReader;
class SrsHttpHeader;
class ISrsHttpMessage;
class SrsHttpMuxEntry;
class ISrsHttpResponseWriter;
// http specification
// CR = <US-ASCII CR, carriage return (13)>
#define SRS_HTTP_CR SRS_CONSTS_CR // 0x0D
// LF = <US-ASCII LF, linefeed (10)>
#define SRS_HTTP_LF SRS_CONSTS_LF // 0x0A
// SP = <US-ASCII SP, space (32)>
#define SRS_HTTP_SP ' ' // 0x20
// HT = <US-ASCII HT, horizontal-tab (9)>
#define SRS_HTTP_HT '\x09' // 0x09
// HTTP/1.1 defines the sequence CR LF as the end-of-line marker for all
// protocol elements except the entity-body (see appendix 19.3 for
// tolerant applications).
#define SRS_HTTP_CRLF "\r\n" // 0x0D0A
#define SRS_HTTP_CRLFCRLF "\r\n\r\n" // 0x0D0A0D0A
// @see ISrsHttpMessage._http_ts_send_buffer
#define SRS_HTTP_TS_SEND_BUFFER_SIZE 4096
// for ead all of http body, read each time.
#define SRS_HTTP_READ_CACHE_BYTES 4096
// default http listen port.
#define SRS_DEFAULT_HTTP_PORT 80
// for http parser macros
#define SRS_CONSTS_HTTP_OPTIONS HTTP_OPTIONS
#define SRS_CONSTS_HTTP_GET HTTP_GET
#define SRS_CONSTS_HTTP_POST HTTP_POST
#define SRS_CONSTS_HTTP_PUT HTTP_PUT
#define SRS_CONSTS_HTTP_DELETE HTTP_DELETE
// helper function: response in json format.
extern int srs_http_response_json(ISrsHttpResponseWriter* w, std::string data);
// get the status text of code.
extern std::string srs_generate_http_status_text(int status);
// bodyAllowedForStatus reports whether a given response status code
// permits a body. See RFC2616, section 4.4.
extern bool srs_go_http_body_allowd(int status);
// DetectContentType implements the algorithm described
// at http://mimesniff.spec.whatwg.org/ to determine the
// Content-Type of the given data. It considers at most the
// first 512 bytes of data. DetectContentType always returns
// a valid MIME type: if it cannot determine a more specific one, it
// returns "application/octet-stream".
extern std::string srs_go_http_detect(char* data, int size);
// state of message
enum SrsHttpParseState {
SrsHttpParseStateInit = 0,
SrsHttpParseStateStart,
SrsHttpParseStateHeaderComplete,
SrsHttpParseStateMessageComplete
};
// A Header represents the key-value pairs in an HTTP header.
class SrsHttpHeader
{
private:
std::map<std::string, std::string> headers;
public:
SrsHttpHeader();
virtual ~SrsHttpHeader();
public:
// Add adds the key, value pair to the header.
// It appends to any existing values associated with key.
virtual void set(std::string key, std::string value);
// Get gets the first value associated with the given key.
// If there are no values associated with the key, Get returns "".
// To access multiple values of a key, access the map directly
// with CanonicalHeaderKey.
virtual std::string get(std::string key);
public:
/**
* get the content length. -1 if not set.
*/
virtual int64_t content_length();
/**
* set the content length by header "Content-Length"
*/
virtual void set_content_length(int64_t size);
public:
/**
* get the content type. empty string if not set.
*/
virtual std::string content_type();
/**
* set the content type by header "Content-Type"
*/
virtual void set_content_type(std::string ct);
public:
/**
* write all headers to string stream.
*/
virtual void write(std::stringstream& ss);
};
// A ResponseWriter interface is used by an HTTP handler to
// construct an HTTP response.
// Usage 1, response with specified length content:
// ISrsHttpResponseWriter* w; // create or get response.
// std::string msg = "Hello, HTTP!";
// w->header()->set_content_type("text/plain; charset=utf-8");
// w->header()->set_content_length(msg.length());
// w->write_header(SRS_CONSTS_HTTP_OK);
// w->write((char*)msg.data(), (int)msg.length());
// w->final_request(); // optional flush.
// Usage 2, response with HTTP code only, zero content length.
// ISrsHttpResponseWriter* w; // create or get response.
// w->header()->set_content_length(0);
// w->write_header(SRS_CONSTS_HTTP_OK);
// w->final_request();
// Usage 3, response in chunked encoding.
// ISrsHttpResponseWriter* w; // create or get response.
// std::string msg = "Hello, HTTP!";
// w->header()->set_content_type("application/octet-stream");
// w->write_header(SRS_CONSTS_HTTP_OK);
// w->write((char*)msg.data(), (int)msg.length());
// w->write((char*)msg.data(), (int)msg.length());
// w->write((char*)msg.data(), (int)msg.length());
// w->write((char*)msg.data(), (int)msg.length());
// w->final_request(); // required to end the chunked and flush.
class ISrsHttpResponseWriter
{
public:
ISrsHttpResponseWriter();
virtual ~ISrsHttpResponseWriter();
public:
// when chunked mode,
// final the request to complete the chunked encoding.
// for no-chunked mode,
// final to send request, for example, content-length is 0.
virtual int final_request() = 0;
// Header returns the header map that will be sent by WriteHeader.
// Changing the header after a call to WriteHeader (or Write) has
// no effect.
virtual SrsHttpHeader* header() = 0;
// Write writes the data to the connection as part of an HTTP reply.
// If WriteHeader has not yet been called, Write calls WriteHeader(http.StatusOK)
// before writing the data. If the Header does not contain a
// Content-Type line, Write adds a Content-Type set to the result of passing
// the initial 512 bytes of written data to DetectContentType.
// @param data, the data to send. NULL to flush header only.
virtual int write(char* data, int size) = 0;
// WriteHeader sends an HTTP response header with status code.
// If WriteHeader is not called explicitly, the first call to Write
// will trigger an implicit WriteHeader(http.StatusOK).
// Thus explicit calls to WriteHeader are mainly used to
// send error codes.
// @remark, user must set header then write or write_header.
virtual void write_header(int code) = 0;
};
/**
* the reader interface for http response.
*/
class ISrsHttpResponseReader
{
public:
ISrsHttpResponseReader();
virtual ~ISrsHttpResponseReader();
public:
/**
* whether response read EOF.
*/
virtual bool eof() = 0;
/**
* read from the response body.
* @param data, the buffer to read data buffer to.
* @param nb_data, the max size of data buffer.
* @param nb_read, the actual read size of bytes. NULL to ignore.
* @remark when eof(), return error.
*/
virtual int read(char* data, int nb_data, int* nb_read) = 0;
};
// Objects implementing the Handler interface can be
// registered to serve a particular path or subtree
// in the HTTP server.
//
// ServeHTTP should write reply headers and data to the ResponseWriter
// and then return. Returning signals that the request is finished
// and that the HTTP server can move on to the next request on
// the connection.
class ISrsHttpHandler
{
public:
SrsHttpMuxEntry* entry;
public:
ISrsHttpHandler();
virtual ~ISrsHttpHandler();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r) = 0;
};
// Redirect to a fixed URL
class SrsHttpRedirectHandler : public ISrsHttpHandler
{
private:
std::string url;
int code;
public:
SrsHttpRedirectHandler(std::string u, int c);
virtual ~SrsHttpRedirectHandler();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
// NotFound replies to the request with an HTTP 404 not found error.
class SrsHttpNotFoundHandler : public ISrsHttpHandler
{
public:
SrsHttpNotFoundHandler();
virtual ~SrsHttpNotFoundHandler();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
};
// FileServer returns a handler that serves HTTP requests
// with the contents of the file system rooted at root.
//
// To use the operating system's file system implementation,
// use http.Dir:
//
// http.Handle("/", SrsHttpFileServer("/tmp"))
// http.Handle("/", SrsHttpFileServer("static-dir"))
class SrsHttpFileServer : public ISrsHttpHandler
{
protected:
std::string dir;
public:
SrsHttpFileServer(std::string root_dir);
virtual ~SrsHttpFileServer();
public:
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
private:
/**
* serve the file by specified path
*/
virtual int serve_file(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, std::string fullpath);
virtual int serve_flv_file(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, std::string fullpath);
virtual int serve_mp4_file(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, std::string fullpath);
protected:
/**
* when access flv file with x.flv?start=xxx
*/
virtual int serve_flv_stream(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, std::string fullpath, int offset);
/**
* when access mp4 file with x.mp4?range=start-end
* @param start the start offset in bytes.
* @param end the end offset in bytes. -1 to end of file.
* @remark response data in [start, end].
*/
virtual int serve_mp4_stream(ISrsHttpResponseWriter* w, ISrsHttpMessage* r, std::string fullpath, int start, int end);
protected:
/**
* copy the fs to response writer in size bytes.
*/
virtual int copy(ISrsHttpResponseWriter* w, SrsFileReader* fs, ISrsHttpMessage* r, int size);
};
// the mux entry for server mux.
// the matcher info, for example, the pattern and handler.
class SrsHttpMuxEntry
{
public:
bool explicit_match;
ISrsHttpHandler* handler;
std::string pattern;
bool enabled;
public:
SrsHttpMuxEntry();
virtual ~SrsHttpMuxEntry();
};
/**
* the hijacker for http pattern match.
*/
class ISrsHttpMatchHijacker
{
public:
ISrsHttpMatchHijacker();
virtual ~ISrsHttpMatchHijacker();
public:
/**
* when match the request failed, no handler to process request.
* @param request the http request message to match the handler.
* @param ph the already matched handler, hijack can rewrite it.
*/
virtual int hijack(ISrsHttpMessage* request, ISrsHttpHandler** ph) = 0;
};
// ServeMux is an HTTP request multiplexer.
// It matches the URL of each incoming request against a list of registered
// patterns and calls the handler for the pattern that
// most closely matches the URL.
//
// Patterns name fixed, rooted paths, like "/favicon.ico",
// or rooted subtrees, like "/images/" (note the trailing slash).
// Longer patterns take precedence over shorter ones, so that
// if there are handlers registered for both "/images/"
// and "/images/thumbnails/", the latter handler will be
// called for paths beginning "/images/thumbnails/" and the
// former will receive requests for any other paths in the
// "/images/" subtree.
//
// Note that since a pattern ending in a slash names a rooted subtree,
// the pattern "/" matches all paths not matched by other registered
// patterns, not just the URL with Path == "/".
//
// Patterns may optionally begin with a host name, restricting matches to
// URLs on that host only. Host-specific patterns take precedence over
// general patterns, so that a handler might register for the two patterns
// "/codesearch" and "codesearch.google.com/" without also taking over
// requests for "http://www.google.com/".
//
// ServeMux also takes care of sanitizing the URL request path,
// redirecting any request containing . or .. elements to an
// equivalent .- and ..-free URL.
class SrsHttpServeMux
{
private:
// the pattern handler, to handle the http request.
std::map<std::string, SrsHttpMuxEntry*> entries;
// the vhost handler.
// when find the handler to process the request,
// append the matched vhost when pattern not starts with /,
// for example, for pattern /live/livestream.flv of vhost ossrs.net,
// the path will rewrite to ossrs.net/live/livestream.flv
std::map<std::string, ISrsHttpHandler*> vhosts;
// all hijackers for http match.
// for example, the hstrs(http stream trigger rtmp source)
// can hijack and install handler when request incoming and no handler.
std::vector<ISrsHttpMatchHijacker*> hijackers;
public:
SrsHttpServeMux();
virtual ~SrsHttpServeMux();
public:
/**
* initialize the http serve mux.
*/
virtual int initialize();
/**
* hijack the http match.
*/
virtual void hijack(ISrsHttpMatchHijacker* h);
virtual void unhijack(ISrsHttpMatchHijacker* h);
public:
// Handle registers the handler for the given pattern.
// If a handler already exists for pattern, Handle panics.
virtual int handle(std::string pattern, ISrsHttpHandler* handler);
// interface ISrsHttpHandler
public:
virtual int serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessage* r);
private:
virtual int find_handler(ISrsHttpMessage* r, ISrsHttpHandler** ph);
virtual int match(ISrsHttpMessage* r, ISrsHttpHandler** ph);
virtual bool path_match(std::string pattern, std::string path);
};
// for http header.
typedef std::pair<std::string, std::string> SrsHttpHeaderField;
// A Request represents an HTTP request received by a server
// or to be sent by a client.
//
// The field semantics differ slightly between client and server
// usage. In addition to the notes on the fields below, see the
// documentation for Request.Write and RoundTripper.
/**
* the http message, request or response.
*/
class ISrsHttpMessage
{
private:
/**
* use a buffer to read and send ts file.
*/
// TODO: FIXME: remove it.
char* _http_ts_send_buffer;
public:
ISrsHttpMessage();
virtual ~ISrsHttpMessage();
public:
/**
* the http request level cache.
*/
virtual char* http_ts_send_buffer();
public:
virtual u_int8_t method() = 0;
virtual u_int16_t status_code() = 0;
/**
* method helpers.
*/
virtual std::string method_str() = 0;
virtual bool is_http_get() = 0;
virtual bool is_http_put() = 0;
virtual bool is_http_post() = 0;
virtual bool is_http_delete() = 0;
virtual bool is_http_options() = 0;
public:
/**
* whether should keep the connection alive.
*/
virtual bool is_keep_alive() = 0;
/**
* the uri contains the host and path.
*/
virtual std::string uri() = 0;
/**
* the url maybe the path.
*/
virtual std::string url() = 0;
virtual std::string host() = 0;
virtual std::string path() = 0;
virtual std::string ext() = 0;
public:
/**
* read body to string.
* @remark for small http body.
*/
virtual int body_read_all(std::string& body) = 0;
/**
* get the body reader, to read one by one.
* @remark when body is very large, or chunked, use this.
*/
virtual ISrsHttpResponseReader* body_reader() = 0;
/**
* the content length, -1 for chunked or not set.
*/
virtual int64_t content_length() = 0;
public:
/**
* get the param in query string,
* for instance, query is "start=100&end=200",
* then query_get("start") is "100", and query_get("end") is "200"
*/
virtual std::string query_get(std::string key) = 0;
/**
* get the headers.
*/
virtual int request_header_count() = 0;
virtual std::string request_header_key_at(int index) = 0;
virtual std::string request_header_value_at(int index) = 0;
};
#endif