168 lines
11 KiB
HTML
168 lines
11 KiB
HTML
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Module machi_util</title>
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<link rel="stylesheet" type="text/css" href="stylesheet.css" title="EDoc">
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<div class="navbar"><a name="#navbar_top"></a><table width="100%" border="0" cellspacing="0" cellpadding="2" summary="navigation bar"><tr><td><a href="overview-summary.html" target="overviewFrame">Overview</a></td><td><a href="http://www.erlang.org/"><img src="erlang.png" align="right" border="0" alt="erlang logo"></a></td></tr></table></div>
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<h1>Module machi_util</h1>
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<ul class="index"><li><a href="#description">Description</a></li><li><a href="#index">Function Index</a></li><li><a href="#functions">Function Details</a></li></ul>Miscellaneous utility functions.
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<h2><a name="description">Description</a></h2>Miscellaneous utility functions.
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<h2><a name="index">Function Index</a></h2>
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<table width="100%" border="1" cellspacing="0" cellpadding="2" summary="function index"><tr><td valign="top"><a href="#bin_to_hexstr-1">bin_to_hexstr/1</a></td><td>Convert a <code>binary()</code> to a hexadecimal string.</td></tr>
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<tr><td valign="top"><a href="#checksum_chunk-1">checksum_chunk/1</a></td><td>Calculate a checksum for a chunk of file data.</td></tr>
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<tr><td valign="top"><a href="#connect-2">connect/2</a></td><td>Create a TCP connection to a remote Machi server.</td></tr>
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<tr><td valign="top"><a href="#connect-3">connect/3</a></td><td>Create a TCP connection to a remote Machi server.</td></tr>
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<tr><td valign="top"><a href="#hexstr_to_bin-1">hexstr_to_bin/1</a></td><td>Convert a hexadecimal string to a <code>binary()</code>.</td></tr>
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<tr><td valign="top"><a href="#hexstr_to_int-1">hexstr_to_int/1</a></td><td>Convert a hexadecimal string to an integer.</td></tr>
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<tr><td valign="top"><a href="#increment_max_filenum-2">increment_max_filenum/2</a></td><td>Increase the file size of a config file, which is used as the
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basis for a minimum sequence number.</td></tr>
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<tr><td valign="top"><a href="#info_msg-2">info_msg/2</a></td><td>Log an 'info' level message.</td></tr>
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<tr><td valign="top"><a href="#int_to_hexbin-2">int_to_hexbin/2</a></td><td>Convert an integer into a hexadecimal string (in <code>binary()</code>
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form) whose length is based on <code>I_size</code>.</td></tr>
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<tr><td valign="top"><a href="#int_to_hexstr-2">int_to_hexstr/2</a></td><td>Convert an integer into a hexadecimal string whose length is
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based on <code>I_size</code>.</td></tr>
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<tr><td valign="top"><a href="#make_binary-1">make_binary/1</a></td><td>Convert a compatible Erlang data type into a <code>binary()</code> equivalent.</td></tr>
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<tr><td valign="top"><a href="#make_checksum_filename-2">make_checksum_filename/2</a></td><td>Calculate a checksum file path, by common convention.</td></tr>
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<tr><td valign="top"><a href="#make_checksum_filename-4">make_checksum_filename/4</a></td><td>Calculate a checksum file path, by common convention.</td></tr>
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<tr><td valign="top"><a href="#make_config_filename-2">make_config_filename/2</a></td><td>Calculate a config file path, by common convention.</td></tr>
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<tr><td valign="top"><a href="#make_data_filename-2">make_data_filename/2</a></td><td>Calculate a file data file path, by common convention.</td></tr>
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<tr><td valign="top"><a href="#make_data_filename-4">make_data_filename/4</a></td><td>Calculate a file data file path, by common convention.</td></tr>
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<tr><td valign="top"><a href="#make_projection_filename-2">make_projection_filename/2</a></td><td>Calculate a projection store file path, by common convention.</td></tr>
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<tr><td valign="top"><a href="#make_regname-1">make_regname/1</a></td><td>Create a registered name atom for FLU sequencer internal
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rendezvous/message passing use.</td></tr>
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<tr><td valign="top"><a href="#make_string-1">make_string/1</a></td><td>Convert a compatible Erlang data type into a <code>string()</code> equivalent.</td></tr>
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<tr><td valign="top"><a href="#read_max_filenum-2">read_max_filenum/2</a></td><td>Read the file size of a config file, which is used as the
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basis for a minimum sequence number.</td></tr>
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<tr><td valign="top"><a href="#verb-1">verb/1</a></td><td>Log a verbose message.</td></tr>
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<tr><td valign="top"><a href="#verb-2">verb/2</a></td><td>Log a verbose message.</td></tr>
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</table>
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<h2><a name="functions">Function Details</a></h2>
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<h3 class="function"><a name="bin_to_hexstr-1">bin_to_hexstr/1</a></h3>
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<div class="spec">
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<p><tt>bin_to_hexstr(X1::binary()) -> string()</tt><br></p>
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</div><p>Convert a <code>binary()</code> to a hexadecimal string.</p>
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<h3 class="function"><a name="checksum_chunk-1">checksum_chunk/1</a></h3>
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<div class="spec">
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<p><tt>checksum_chunk(Chunk::binary() | iolist()) -> binary()</tt><br></p>
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</div><p>Calculate a checksum for a chunk of file data.</p>
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<h3 class="function"><a name="connect-2">connect/2</a></h3>
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<div class="spec">
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<p><tt>connect(Host::<a href="inet.html#type-ip_address">inet:ip_address()</a> | <a href="inet.html#type-hostname">inet:hostname()</a>, Port::<a href="inet.html#type-port_number">inet:port_number()</a>) -> port()</tt><br></p>
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</div><p>Create a TCP connection to a remote Machi server.</p>
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<h3 class="function"><a name="connect-3">connect/3</a></h3>
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<div class="spec">
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<p><tt>connect(Host::<a href="inet.html#type-ip_address">inet:ip_address()</a> | <a href="inet.html#type-hostname">inet:hostname()</a>, Port::<a href="inet.html#type-port_number">inet:port_number()</a>, Timeout::timeout()) -> port()</tt><br></p>
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</div><p>Create a TCP connection to a remote Machi server.</p>
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<h3 class="function"><a name="hexstr_to_bin-1">hexstr_to_bin/1</a></h3>
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<div class="spec">
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<p><tt>hexstr_to_bin(S::string() | binary()) -> binary()</tt><br></p>
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</div><p>Convert a hexadecimal string to a <code>binary()</code>.</p>
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<h3 class="function"><a name="hexstr_to_int-1">hexstr_to_int/1</a></h3>
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<div class="spec">
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<p><tt>hexstr_to_int(X::string() | binary()) -> non_neg_integer()</tt><br></p>
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</div><p>Convert a hexadecimal string to an integer.</p>
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<h3 class="function"><a name="increment_max_filenum-2">increment_max_filenum/2</a></h3>
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<div class="spec">
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<p><tt>increment_max_filenum(DataDir::string(), Prefix::string()) -> ok | {error, term()}</tt><br></p>
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</div><p>Increase the file size of a config file, which is used as the
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basis for a minimum sequence number.</p>
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<h3 class="function"><a name="info_msg-2">info_msg/2</a></h3>
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<div class="spec">
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<p><tt>info_msg(Fmt::string(), Args::list()) -> term()</tt><br></p>
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</div><p>Log an 'info' level message.</p>
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<h3 class="function"><a name="int_to_hexbin-2">int_to_hexbin/2</a></h3>
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<div class="spec">
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<p><tt>int_to_hexbin(I::non_neg_integer(), I_size::non_neg_integer()) -> binary()</tt><br></p>
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</div><p>Convert an integer into a hexadecimal string (in <code>binary()</code>
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form) whose length is based on <code>I_size</code>.</p>
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<h3 class="function"><a name="int_to_hexstr-2">int_to_hexstr/2</a></h3>
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<div class="spec">
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<p><tt>int_to_hexstr(I::non_neg_integer(), I_size::non_neg_integer()) -> string()</tt><br></p>
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</div><p>Convert an integer into a hexadecimal string whose length is
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based on <code>I_size</code>.</p>
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<h3 class="function"><a name="make_binary-1">make_binary/1</a></h3>
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<div class="spec">
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<p><tt>make_binary(X::binary() | iolist()) -> binary()</tt><br></p>
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</div><p>Convert a compatible Erlang data type into a <code>binary()</code> equivalent.</p>
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<h3 class="function"><a name="make_checksum_filename-2">make_checksum_filename/2</a></h3>
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<div class="spec">
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<p><tt>make_checksum_filename(DataDir::string(), FileName::[] | string() | binary()) -> string()</tt><br></p>
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</div><p>Calculate a checksum file path, by common convention.</p>
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<h3 class="function"><a name="make_checksum_filename-4">make_checksum_filename/4</a></h3>
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<div class="spec">
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<p><tt>make_checksum_filename(DataDir::string(), Prefix::string(), SequencerName::atom() | string() | binary(), FileNum::integer()) -> string()</tt><br></p>
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</div><p>Calculate a checksum file path, by common convention.</p>
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<h3 class="function"><a name="make_config_filename-2">make_config_filename/2</a></h3>
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<div class="spec">
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<p><tt>make_config_filename(DataDir::string(), Prefix::string()) -> string()</tt><br></p>
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</div><p>Calculate a config file path, by common convention.</p>
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<h3 class="function"><a name="make_data_filename-2">make_data_filename/2</a></h3>
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<div class="spec">
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<p><tt>make_data_filename(DataDir::string(), File::[] | string() | binary()) -> {binary(), string()}</tt><br></p>
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</div><p>Calculate a file data file path, by common convention.</p>
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<h3 class="function"><a name="make_data_filename-4">make_data_filename/4</a></h3>
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<div class="spec">
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<p><tt>make_data_filename(DataDir::string(), Prefix::string(), SequencerName::atom() | string() | binary(), FileNum::integer()) -> {binary(), string()}</tt><br></p>
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</div><p>Calculate a file data file path, by common convention.</p>
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<h3 class="function"><a name="make_projection_filename-2">make_projection_filename/2</a></h3>
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<div class="spec">
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<p><tt>make_projection_filename(DataDir::string(), File::[] | string()) -> string()</tt><br></p>
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</div><p>Calculate a projection store file path, by common convention.</p>
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<h3 class="function"><a name="make_regname-1">make_regname/1</a></h3>
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<div class="spec">
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<p><tt>make_regname(Prefix::binary() | list()) -> atom()</tt><br></p>
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</div><p>Create a registered name atom for FLU sequencer internal
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rendezvous/message passing use.</p>
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<h3 class="function"><a name="make_string-1">make_string/1</a></h3>
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<div class="spec">
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<p><tt>make_string(X::binary() | iolist()) -> string()</tt><br></p>
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</div><p>Convert a compatible Erlang data type into a <code>string()</code> equivalent.</p>
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<h3 class="function"><a name="read_max_filenum-2">read_max_filenum/2</a></h3>
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<div class="spec">
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<p><tt>read_max_filenum(DataDir::string(), Prefix::string()) -> non_neg_integer()</tt><br></p>
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</div><p>Read the file size of a config file, which is used as the
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basis for a minimum sequence number.</p>
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<h3 class="function"><a name="verb-1">verb/1</a></h3>
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<div class="spec">
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<p><tt>verb(Fmt::string()) -> term()</tt><br></p>
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</div><p>Log a verbose message.</p>
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<h3 class="function"><a name="verb-2">verb/2</a></h3>
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<div class="spec">
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<p><tt>verb(Fmt::string(), Args::list()) -> term()</tt><br></p>
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</div><p>Log a verbose message.</p>
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<hr>
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<div class="navbar"><a name="#navbar_bottom"></a><table width="100%" border="0" cellspacing="0" cellpadding="2" summary="navigation bar"><tr><td><a href="overview-summary.html" target="overviewFrame">Overview</a></td><td><a href="http://www.erlang.org/"><img src="erlang.png" align="right" border="0" alt="erlang logo"></a></td></tr></table></div>
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<p><i>Generated by EDoc, May 20 2015, 12:50:53.</i></p>
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