Sets the element at the specified location to the specified value. If the location is out of bounds, returns Err with an error message.

Returns the pid of this inferior.

Returns the element at the specified location. If the location is out of bounds, returns None. Note to students: this function also could have return

This program finds a target process on the system. The specified query can either be a command name (e.g. "./subprocess_test") or a PID (e.g. "5612").

kill the inferior, assume that the inferior is still alive

based on dwarf_dump.rs

This is a helper function that creates an http::Response containing an HTTP error that can be sent to a client.

This function serializes a request to bytes and writes those bytes to the provided stream. You will need to modify this function in Milestone 2.

Prints a visual representation of the grid. You can use this for debugging.

Reads the file at the supplied path, and returns a vector of strings.

This function reads and returns an HTTP request from a stream, returning an Error if the client closes the connection prematurely or sends an invalid

Calls waitpid on this inferior and returns a Status to indicate the state of the process after the waitpid call.

Resets all the elements to zero.

attemp to connect to the specific upstream server (no lock required)

Wake up the paused inferior process, there are two possibilities: (1) inferior process paused by breakpoints (2) inferior process paused by other sign

This function takes a pid and returns a Process struct for the specified process, or None if the specified pid doesn't exist. An Error is only returne

This function takes a line of ps output formatted with -o "pid= ppid= command=" and returns a Process struct initialized from the parsed output. Exam

check all the upstream servers actively (write lock required)

check specific upstream server actively (no lock required)

randomly connect to one alive upstream, return error if all the upstream are dead

This function appends to a header value (adding a new header if the header is not already present). This is used to add the client's IP address to the

Determines the prime factors of a number and prints them to stdout. This function is taken from CS 110 factor.py. You don't need to read or understan

This function takes a pid and returns a list of Process structs for processes that have the specified pid as their parent process. An Error is returne

Extracts the Content-Length header value from the provided request. Returns Ok(Some(usize)) if the Content-Length is present and valid, Ok(None) if Co

Extracts the Content-Length header value from the provided response. Returns Ok(Some(usize)) if the Content-Length is present and valid, Ok(None) if C

Returns a list of numbers supplied via argv.

This function prompts the user to enter a command, and continues re-prompting until the user enters a valid command. It uses DebuggerCommand::from_tok

This function takes a command name (e.g. "sort" or "./multi_pipe_test") and returns the first matching process's pid, or None if no matching process i

Determines whether a number is prime. This function is taken from CS 110 factor.py. You don't need to read or understand this code.

This function returns a list of file descriptor numbers for this Process, if that information is available (it will return None if the information is

This function returns a list of (fdnumber, OpenFile) tuples, if file descriptor information is available (it returns None otherwise). The information

Attempts to parse the data in the supplied buffer as an HTTP request. Returns one of the following: If there is a complete and valid request in the b

Attempts to parse the data in the supplied buffer as an HTTP response. Returns one of the following: If there is a complete and valid response in the

randomly pick one alive upstream and return its index (read lock acquired)

print backtrace of this inferior process

This function reads the body for a request from the stream. The client only sends a body if the Content-Length header is present; this function reads

This function reads the body for a response from the stream. If the Content-Length header is present, it reads that many bytes; otherwise, it reads by

Reads an HTTP request from the provided stream, waiting until a complete set of headers is sent. This function only reads the request line and headers

Reads an HTTP response from the provided stream, waiting until a complete set of headers is sent. This function only reads the response line and heade