tcp: Allow signalling end of reading/writing
tcp_shutdown() isn't needed at the moment, but is added for consistency to explain how the function is supposed to be used. Signed-off-by: Martin Storsjö <martin@martin.st>
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@ -45,6 +45,12 @@ static inline int is_dos_path(const char *path)
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return 0;
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}
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#if defined(_WIN32)
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#define SHUT_RD SD_RECEIVE
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#define SHUT_WR SD_SEND
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#define SHUT_RDWR SD_BOTH
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#endif
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#if defined(_WIN32) && !defined(__MINGW32CE__)
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int ff_win32_open(const char *filename, int oflag, int pmode);
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#define open ff_win32_open
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@ -182,6 +182,22 @@ static int tcp_write(URLContext *h, const uint8_t *buf, int size)
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return ret < 0 ? ff_neterrno() : ret;
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}
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static int tcp_shutdown(URLContext *h, int flags)
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{
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TCPContext *s = h->priv_data;
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int how;
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if (flags & AVIO_FLAG_WRITE && flags & AVIO_FLAG_READ) {
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how = SHUT_RDWR;
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} else if (flags & AVIO_FLAG_WRITE) {
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how = SHUT_WR;
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} else {
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how = SHUT_RD;
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}
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return shutdown(s->fd, how);
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}
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static int tcp_close(URLContext *h)
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{
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TCPContext *s = h->priv_data;
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@ -202,6 +218,7 @@ URLProtocol ff_tcp_protocol = {
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.url_write = tcp_write,
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.url_close = tcp_close,
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.url_get_file_handle = tcp_get_file_handle,
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.url_shutdown = tcp_shutdown,
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.priv_data_size = sizeof(TCPContext),
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.flags = URL_PROTOCOL_FLAG_NETWORK,
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};
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