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srs-librtmp support hijack io apis for st-load. 2.0.42.

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winlin 2014-12-02 12:19:17 +08:00
parent 212a9aa78c
commit 3584bdb7b6
6 changed files with 329 additions and 128 deletions
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357
trunk/src/libs/srs_lib_simple_socket.cpp
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@ -43,188 +43,305 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define ST_UTIME_NO_TIMEOUT -1
#endif
// when io not hijacked, use simple socket, the block sync stream.
#ifndef SRS_HIJACK_IO
struct SrsBlockSyncSocket
{
SOCKET fd;
int64_t recv_timeout;
int64_t send_timeout;
int64_t recv_bytes;
int64_t send_bytes;
SrsBlockSyncSocket() {
send_timeout = recv_timeout = ST_UTIME_NO_TIMEOUT;
recv_bytes = send_bytes = 0;
SOCKET_RESET(fd);
SOCKET_SETUP();
}
virtual ~SrsBlockSyncSocket() {
SOCKET_CLOSE(fd);
SOCKET_CLEANUP();
}
};
srs_hijack_io_t srs_hijack_io_create()
{
SrsBlockSyncSocket* skt = new SrsBlockSyncSocket();
return skt;
}
void srs_hijack_io_destroy(srs_hijack_io_t ctx)
{
SrsBlockSyncSocket* skt = (SrsBlockSyncSocket*)ctx;
srs_freep(skt);
}
int srs_hijack_io_create_socket(srs_hijack_io_t ctx)
{
SrsBlockSyncSocket* skt = (SrsBlockSyncSocket*)ctx;
skt->fd = ::socket(AF_INET, SOCK_STREAM, 0);
if (!SOCKET_VALID(skt->fd)) {
return ERROR_SOCKET_CREATE;
}
return ERROR_SUCCESS;
}
int srs_hijack_io_connect(srs_hijack_io_t ctx, const char* server_ip, int port)
{
SrsBlockSyncSocket* skt = (SrsBlockSyncSocket*)ctx;
sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = inet_addr(server_ip);
if(::connect(skt->fd, (const struct sockaddr*)&addr, sizeof(sockaddr_in)) < 0){
return ERROR_SOCKET_CONNECT;
}
return ERROR_SUCCESS;
}
int srs_hijack_io_read(srs_hijack_io_t ctx, void* buf, size_t size, ssize_t* nread)
{
SrsBlockSyncSocket* skt = (SrsBlockSyncSocket*)ctx;
int ret = ERROR_SUCCESS;
ssize_t nb_read = ::recv(skt->fd, (char*)buf, size, 0);
if (nread) {
*nread = nb_read;
}
// On success a non-negative integer indicating the number of bytes actually read is returned
// (a value of 0 means the network connection is closed or end of file is reached).
if (nb_read <= 0) {
if (nb_read < 0 && SOCKET_ERRNO() == SOCKET_ETIME) {
return ERROR_SOCKET_TIMEOUT;
}
if (nb_read == 0) {
errno = SOCKET_ECONNRESET;
}
return ERROR_SOCKET_READ;
}
skt->recv_bytes += nb_read;
return ret;
}
void srs_hijack_io_set_recv_timeout(srs_hijack_io_t ctx, int64_t timeout_us)
{
SrsBlockSyncSocket* skt = (SrsBlockSyncSocket*)ctx;
skt->recv_timeout = timeout_us;
}
int64_t srs_hijack_io_get_recv_timeout(srs_hijack_io_t ctx)
{
SrsBlockSyncSocket* skt = (SrsBlockSyncSocket*)ctx;
return skt->recv_timeout;
}
int64_t srs_hijack_io_get_recv_bytes(srs_hijack_io_t ctx)
{
SrsBlockSyncSocket* skt = (SrsBlockSyncSocket*)ctx;
return skt->recv_bytes;
}
void srs_hijack_io_set_send_timeout(srs_hijack_io_t ctx, int64_t timeout_us)
{
SrsBlockSyncSocket* skt = (SrsBlockSyncSocket*)ctx;
skt->send_timeout = timeout_us;
}
int64_t srs_hijack_io_get_send_timeout(srs_hijack_io_t ctx)
{
SrsBlockSyncSocket* skt = (SrsBlockSyncSocket*)ctx;
return skt->send_timeout;
}
int64_t srs_hijack_io_get_send_bytes(srs_hijack_io_t ctx)
{
SrsBlockSyncSocket* skt = (SrsBlockSyncSocket*)ctx;
return skt->send_bytes;
}
int srs_hijack_io_writev(srs_hijack_io_t ctx, const iovec *iov, int iov_size, ssize_t* nwrite)
{
SrsBlockSyncSocket* skt = (SrsBlockSyncSocket*)ctx;
int ret = ERROR_SUCCESS;
ssize_t nb_write = ::writev(skt->fd, iov, iov_size);
if (nwrite) {
*nwrite = nb_write;
}
// On success, the readv() function returns the number of bytes read;
// the writev() function returns the number of bytes written. On error, -1 is
// returned, and errno is set appropriately.
if (nb_write <= 0) {
// @see https://github.com/winlinvip/simple-rtmp-server/issues/200
if (nb_write < 0 && SOCKET_ERRNO() == SOCKET_ETIME) {
return ERROR_SOCKET_TIMEOUT;
}
return ERROR_SOCKET_WRITE;
}
skt->send_bytes += nb_write;
return ret;
}
bool srs_hijack_io_is_never_timeout(srs_hijack_io_t ctx, int64_t timeout_us)
{
return timeout_us == (int64_t)ST_UTIME_NO_TIMEOUT;
}
int srs_hijack_io_read_fully(srs_hijack_io_t ctx, void* buf, size_t size, ssize_t* nread)
{
SrsBlockSyncSocket* skt = (SrsBlockSyncSocket*)ctx;
int ret = ERROR_SUCCESS;
size_t left = size;
ssize_t nb_read = 0;
while (left > 0) {
char* this_buf = (char*)buf + nb_read;
ssize_t this_nread;
if ((ret = srs_hijack_io_read(ctx, this_buf, left, &this_nread)) != ERROR_SUCCESS) {
return ret;
}
nb_read += this_nread;
left -= (size_t)this_nread;
}
if (nread) {
*nread = nb_read;
}
skt->recv_bytes += nb_read;
return ret;
}
int srs_hijack_io_write(srs_hijack_io_t ctx, void* buf, size_t size, ssize_t* nwrite)
{
SrsBlockSyncSocket* skt = (SrsBlockSyncSocket*)ctx;
int ret = ERROR_SUCCESS;
ssize_t nb_write = ::send(skt->fd, (char*)buf, size, 0);
if (nwrite) {
*nwrite = nb_write;
}
if (nb_write <= 0) {
// @see https://github.com/winlinvip/simple-rtmp-server/issues/200
if (nb_write < 0 && SOCKET_ERRNO() == SOCKET_ETIME) {
return ERROR_SOCKET_TIMEOUT;
}
return ERROR_SOCKET_WRITE;
}
skt->send_bytes += nb_write;
return ret;
}
#endif
SimpleSocketStream::SimpleSocketStream()
{
SOCKET_RESET(fd);
send_timeout = recv_timeout = ST_UTIME_NO_TIMEOUT;
recv_bytes = send_bytes = 0;
SOCKET_SETUP();
io = srs_hijack_io_create();
}
SimpleSocketStream::~SimpleSocketStream()
{
SOCKET_CLOSE(fd);
SOCKET_CLEANUP();
if (io) {
srs_hijack_io_destroy(io);
io = NULL;
}
}
int SimpleSocketStream::create_socket()
{
fd = ::socket(AF_INET, SOCK_STREAM, 0);
if (!SOCKET_VALID(fd)) {
return ERROR_SOCKET_CREATE;
}
return ERROR_SUCCESS;
srs_assert(io);
return srs_hijack_io_create_socket(io);
}
int SimpleSocketStream::connect(const char* server_ip, int port)
{
sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = inet_addr(server_ip);
if(::connect(fd, (const struct sockaddr*)&addr, sizeof(sockaddr_in)) < 0){
return ERROR_SOCKET_CONNECT;
}
return ERROR_SUCCESS;
srs_assert(io);
return srs_hijack_io_connect(io, server_ip, port);
}
// ISrsBufferReader
int SimpleSocketStream::read(void* buf, size_t size, ssize_t* nread)
{
int ret = ERROR_SUCCESS;
ssize_t nb_read = ::recv(fd, (char*)buf, size, 0);
if (nread) {
*nread = nb_read;
}
// On success a non-negative integer indicating the number of bytes actually read is returned
// (a value of 0 means the network connection is closed or end of file is reached).
if (nb_read <= 0) {
if (nb_read < 0 && SOCKET_ERRNO() == SOCKET_ETIME) {
return ERROR_SOCKET_TIMEOUT;
}
if (nb_read == 0) {
errno = SOCKET_ECONNRESET;
}
return ERROR_SOCKET_READ;
}
recv_bytes += nb_read;
return ret;
srs_assert(io);
return srs_hijack_io_read(io, buf, size, nread);
}
// ISrsProtocolReader
void SimpleSocketStream::set_recv_timeout(int64_t timeout_us)
{
recv_timeout = timeout_us;
srs_assert(io);
srs_hijack_io_set_recv_timeout(io, timeout_us);
}
int64_t SimpleSocketStream::get_recv_timeout()
{
return recv_timeout;
srs_assert(io);
return srs_hijack_io_get_recv_timeout(io);
}
int64_t SimpleSocketStream::get_recv_bytes()
{
return recv_bytes;
srs_assert(io);
return srs_hijack_io_get_recv_bytes(io);
}
// ISrsProtocolWriter
void SimpleSocketStream::set_send_timeout(int64_t timeout_us)
{
send_timeout = timeout_us;
srs_assert(io);
srs_hijack_io_set_send_timeout(io, timeout_us);
}
int64_t SimpleSocketStream::get_send_timeout()
{
return send_timeout;
srs_assert(io);
return srs_hijack_io_get_send_timeout(io);
}
int64_t SimpleSocketStream::get_send_bytes()
{
return send_bytes;
srs_assert(io);
return srs_hijack_io_get_send_bytes(io);
}
int SimpleSocketStream::writev(const iovec *iov, int iov_size, ssize_t* nwrite)
{
int ret = ERROR_SUCCESS;
ssize_t nb_write = ::writev(fd, iov, iov_size);
if (nwrite) {
*nwrite = nb_write;
}
// On success, the readv() function returns the number of bytes read;
// the writev() function returns the number of bytes written. On error, -1 is
// returned, and errno is set appropriately.
if (nb_write <= 0) {
// @see https://github.com/winlinvip/simple-rtmp-server/issues/200
if (nb_write < 0 && SOCKET_ERRNO() == SOCKET_ETIME) {
return ERROR_SOCKET_TIMEOUT;
}
return ERROR_SOCKET_WRITE;
}
send_bytes += nb_write;
return ret;
srs_assert(io);
return srs_hijack_io_writev(io, iov, iov_size, nwrite);
}
// ISrsProtocolReaderWriter
bool SimpleSocketStream::is_never_timeout(int64_t timeout_us)
{
return timeout_us == (int64_t)ST_UTIME_NO_TIMEOUT;
srs_assert(io);
return srs_hijack_io_is_never_timeout(io, timeout_us);
}
int SimpleSocketStream::read_fully(void* buf, size_t size, ssize_t* nread)
{
int ret = ERROR_SUCCESS;
size_t left = size;
ssize_t nb_read = 0;
while (left > 0) {
char* this_buf = (char*)buf + nb_read;
ssize_t this_nread;
if ((ret = this->read(this_buf, left, &this_nread)) != ERROR_SUCCESS) {
return ret;
}
nb_read += this_nread;
left -= (size_t)this_nread;
}
if (nread) {
*nread = nb_read;
}
recv_bytes += nb_read;
return ret;
srs_assert(io);
return srs_hijack_io_read_fully(io, buf, size, nread);
}
int SimpleSocketStream::write(void* buf, size_t size, ssize_t* nwrite)
{
int ret = ERROR_SUCCESS;
ssize_t nb_write = ::send(fd, (char*)buf, size, 0);
if (nwrite) {
*nwrite = nb_write;
}
if (nb_write <= 0) {
// @see https://github.com/winlinvip/simple-rtmp-server/issues/200
if (nb_write < 0 && SOCKET_ERRNO() == SOCKET_ETIME) {
return ERROR_SOCKET_TIMEOUT;
}
return ERROR_SOCKET_WRITE;
}
send_bytes += nb_write;
return ret;
srs_assert(io);
return srs_hijack_io_write(io, buf, size, nwrite);
}