X-Git-Url: https://git.sesse.net/?p=cubemap;a=blobdiff_plain;f=httpinput.h;h=890cc9ef91256b92145e58dcc3425831fa0747fc;hp=823204d5b1cff4c264d348b70a731a93e29f1949;hb=e3f2936e3c9ff3b5569759c1aaed16f03bf728f8;hpb=6544fa0ec3f3a501bcb89ea977756911bd7f3ebd diff --git a/httpinput.h b/httpinput.h index 823204d..890cc9e 100644 --- a/httpinput.h +++ b/httpinput.h @@ -1,15 +1,19 @@ #ifndef _HTTPINPUT_H #define _HTTPINPUT_H 1 -#include #include +#include #include #include #include "input.h" +#include "metacube2.h" +#include "stream.h" class InputProto; +// Despite the name, covers input over both HTTP and pipes, both typically +// wrapped in Metacube. class HTTPInput : public Input { public: HTTPInput(const std::string &url, Input::Encoding encoding); @@ -33,6 +37,10 @@ private: // Open a socket that connects to the given host and port. Does DNS resolving. int lookup_and_connect(const std::string &host, const std::string &port); + // Open a child process with the given command line (given to /bin/sh). + // Returns a pipe to its standard output. + int open_child_process(const std::string &cmdline); + // Parses a HTTP response. Returns false if it not a 200. bool parse_response(const std::string &response); @@ -44,6 +52,8 @@ private: // and outputs a warning. void drop_pending_data(size_t num_bytes); + void process_metacube_metadata_block(const metacube2_block_header &hdr, const char *payload, uint32_t payload_size); + enum State { NOT_CONNECTED, SENDING_REQUEST, @@ -84,16 +94,33 @@ private: // If starts with a Metacube header, // this is true. - bool has_metacube_header; + bool has_metacube_header = false; // The socket we are downloading on (or -1). - int sock; + int sock = -1; // Mutex protecting . - mutable pthread_mutex_t stats_mutex; + mutable std::mutex stats_mutex; // The current statistics for this connection. Protected by . InputStats stats; + + // Number of (started) connection attempts since last data byte was successfully read. + unsigned num_connection_attempts = 0; + + // If set, don't log anything related to connections. + // (Only set if we've had enough unsuccessful connection attempts.) + bool suppress_logging = false; + + // Last time we made a connection with logging enabled. + // (Initially at some point before the epoch.) + timespec last_verbose_connection { -3600, 0 }; + + // If we've received a Metacube2 PTS metadata block, it belongs to the + // next regular block we receive, and is stored here in the meantime. + // If we haven't received one yet (or we've already received the + // corresponding data block), this is empty, ie., timebase_num == 0. + RationalPTS next_block_pts; }; #endif // !defined(_HTTPINPUT_H)