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134 lines
2.6 KiB
134 lines
2.6 KiB
#include "wsfsp/url.h"
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#include <stdlib.h>
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#include <string.h>
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struct wsfsp_url_protocol
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{
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char const * name;
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size_t name_length;
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int default_port;
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bool use_tls;
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};
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static bool wsfsp_url_readprotocol(
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struct wsfsp_url * url,
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char const * * data)
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{
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static struct wsfsp_url_protocol const known_protocols[] =
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{
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{"ws://", 5, 80, false},
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{"wss://", 6, 443, true}
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};
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static size_t const count = (sizeof(known_protocols) / sizeof(known_protocols[0]));
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bool found = false;
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for(size_t i = 0; (!found) && (i < count); i++)
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{
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struct wsfsp_url_protocol const * protocol = &known_protocols[i];
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if (0 == strncmp(*data, protocol->name, protocol->name_length))
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{
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url->port = protocol->default_port;
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url->use_tls = protocol->use_tls;
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*data = *data + protocol->name_length;
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found = true;
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}
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}
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return found;
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}
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static bool wsfsp_url_readhost(
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struct wsfsp_url * url,
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char const * * data)
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{
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char * end = strpbrk(*data, ":/");
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bool const result = (NULL != end);
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if (result)
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{
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size_t length = end - *data;
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url->host = strndup(*data, length);
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*data = end;
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}
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return result;
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}
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static bool wsfsp_url_readport(
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struct wsfsp_url * url,
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char const * * data)
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{
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bool result;
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if (':' == **data)
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{
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*data = *data + 1;
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char * end = strchr(*data, '/');
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result = (NULL != end);
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if (result)
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{
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url->port = atoi(*data);
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*data = end;
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}
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}
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else
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{
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result = ('/' == **data);
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}
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return result;
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}
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static bool wsfsp_url_readpath(
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struct wsfsp_url * url,
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char const * * data)
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{
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bool const result = ('/' == **data);
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url->path = strdup(*data);
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*data = NULL;
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return result;
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}
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bool wsfsp_url_init(
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struct wsfsp_url * url,
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char const * value)
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{
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memset(url, 0, sizeof(struct wsfsp_url));
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char const * data = value;
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bool const result =
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wsfsp_url_readprotocol(url, &data) &&
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wsfsp_url_readhost(url, &data) &&
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wsfsp_url_readport(url, &data) &&
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wsfsp_url_readpath(url, &data)
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;
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if (!result)
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{
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wsfsp_url_cleanup(url);
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}
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return result;
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}
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void wsfsp_url_cleanup(
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struct wsfsp_url * url)
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{
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free(url->host);
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free(url->path);
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memset(url, 0, sizeof(struct wsfsp_url));
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}
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char const * wsfsp_url_gethost(
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struct wsfsp_url const * url);
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int wsfsp_url_getport(
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struct wsfsp_url const * url);
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char const * wsfsp_url_getpath(
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struct wsfsp_url const * url);
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