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curl-loader is an open-source software performance testing tool written in the C programming language. == Features == curl-loader is capable of simulating application behavior of hundreds of thousands of HTTP/HTTPS and FTP/FTPS clients, each with its own source IP-address. In contrast to other tools curl-loader is using real C-written client protocol stacks, namely, HTTP and FTP stacks of libcurl and TLS/SSL of openssl, and simulates user behavior with support for login and authentication flavors. The major features are: Running up to 2500-100,000 and more virtual loading clients, all from a single curl-loader process. Actual number of virtual clients may be several times higher being limited mainly by memory. Each virtual client loads traffic from its "personal" source IP-address, or from the "common" IP-address shared by all clients, or from the IP-addresses shared by some clients where a limited set of shared IP-addresses can be used by a batch of clients. * Rampup of the virtual clients number at loading start in either automatic or manual mode; * IPv4 and IPv6 addresses and URIs; * HTTP 1.1. GET, POST, PUT, DELETE, HEAD including file upload operations; * HTTP user authentication login with POST or GET+POST methods. Unique configurable username and password for each virtual client as well as configurable posted string (post-forms) are the options. Another option is loading of users with credentials from a tokens text file; * HTTP POST/GET forms with up to 16 tokens filled from a tokens text file; * HTTP user logoff with POST, GET+POST, or GET (cookies); POST logoff with configurable posted string (post-forms); * HTTP multipart form data POST-ing as in RFC1867; * HTTP Web and Proxy Authentication (HTTP 401 and 407 responses) with Basic, Digest (RFC2617) and NTLM; * HTTP 3xx redirections with unlimited number of redirections; * HTTP cookies and DNS caches; * FTP passive and active, FTP upload; * Full customization of client request HTTP/FTP headers ; * Transfer limit rate for each client download or upload operation on a per url bases; * URL fetching probability; * TCP connections reuse or re-establishment on a per URL bases; * Unlimited configurable number of URLs. Mixing of HTTP, HTTPS, FTP and FTPS urls in a single batch (test plan) configuration; * Connection establishment timers for each URL; * URL completion timers monitoring and enforcement for each client; * Inter/after URL "sleeping" timers, including random timers taken from a configurable interval; * Logfile with tracing activities for each virtual client; * Logging of responses (headers and bodies) to files; * Pre-cooked batch configuration (test plan) examples; * Load Status at console and with output to file; * Status and statistics for each virtual client which are logged to file; The goal of curl-loader project is to deliver a powerful and flexible open-source software performance testing client-side solution as a real alternative to Spirent Avalanche and IXIA IxLoad. Curl-loader normally works in pair with nginx or Apache web server as the server-side. The tool is developed and maintained by Dr. Robert Iakobashvili and Michael Moser. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「curl-loader is an open-source software performance testing tool written in the C programming language.== Features ==curl-loader is capable of simulating application behavior of hundreds of thousands of HTTP/HTTPS and FTP/FTPS clients, each with its own source IP-address. In contrast to other tools curl-loader is using real C-written client protocol stacks, namely, HTTP and FTP stacks of libcurl and TLS/SSL of openssl, and simulates user behavior with support for login and authentication flavors.The major features are:Running up to 2500-100,000 and more virtual loading clients, all from a single curl-loader process. Actual number of virtual clients may be several times higher being limited mainly by memory. Each virtual client loads traffic from its "personal" source IP-address, or from the "common" IP-address shared by all clients, or from the IP-addresses shared by some clients where a limited set of shared IP-addresses can be used by a batch of clients.* Rampup of the virtual clients number at loading start in either automatic or manual mode;* IPv4 and IPv6 addresses and URIs;* HTTP 1.1. GET, POST, PUT, DELETE, HEAD including file upload operations;* HTTP user authentication login with POST or GET+POST methods. Unique configurable username and password for each virtual client as well as configurable posted string (post-forms) are the options. Another option is loading of users with credentials from a tokens text file;* HTTP POST/GET forms with up to 16 tokens filled from a tokens text file;* HTTP user logoff with POST, GET+POST, or GET (cookies); POST logoff with configurable posted string (post-forms);* HTTP multipart form data POST-ing as in RFC1867;* HTTP Web and Proxy Authentication (HTTP 401 and 407 responses) with Basic, Digest (RFC2617) and NTLM;* HTTP 3xx redirections with unlimited number of redirections;* HTTP cookies and DNS caches;* FTP passive and active, FTP upload;* Full customization of client request HTTP/FTP headers ;* Transfer limit rate for each client download or upload operation on a per url bases;* URL fetching probability;* TCP connections reuse or re-establishment on a per URL bases;* Unlimited configurable number of URLs. Mixing of HTTP, HTTPS, FTP and FTPS urls in a single batch (test plan) configuration;* Connection establishment timers for each URL;* URL completion timers monitoring and enforcement for each client;* Inter/after URL "sleeping" timers, including random timers taken from a configurable interval;* Logfile with tracing activities for each virtual client;* Logging of responses (headers and bodies) to files;* Pre-cooked batch configuration (test plan) examples;* Load Status at console and with output to file;* Status and statistics for each virtual client which are logged to file;The goal of curl-loader project is to deliver a powerful and flexible open-source software performance testing client-side solution as a real alternative to Spirent Avalanche and IXIA IxLoad. Curl-loader normally works in pair with nginx or Apache web server as the server-side.The tool is developed and maintained by Dr. Robert Iakobashvili and Michael Moser.」の詳細全文を読む スポンサード リンク
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